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post #271 of 527 Old 07-16-2009, 08:04 AM - Thread Starter
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Quote:
Originally Posted by GetGray View Post

Mike:

For RS232 I think I am going to use this:


http://www.deepsurplus.com/Network-S...w-as-1-91-font


http://www.deepsurplus.com/Network-S...w-as-8-42-font

At the PC end you use a RJ45 to DB9 connector. With this panel you'll have the ability to add a ethernet jack should you want one.

But if you want RJ45 for your panel they have these:


http://www.redco.com/shopexd.asp?id=669

That looks pretty cool.

I was wondering if there are any digital temperature displays/probes that can be hooked up to my plate.
I didn't see any (for the plate I got) on the MA site.
Funlvr1965 got me thinking about monitoring one (or more) sites in the rack to watch the temp.

Any thoughts?
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post #272 of 527 Old 07-16-2009, 08:58 AM - Thread Starter
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I ordered a faceplate for the XBOX 360.
Thread
Link



Now, just need to buy a 360 ("Jasper")!

Mike
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post #273 of 527 Old 07-17-2009, 08:26 AM - Thread Starter
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Well I bought a 360 Pro - build date 6/6/09 - "Jasper" - 12.1A/150W PS last night at BB.
Now just waiting for the "carbon" face plate (ordered on ebay).
Now I need to buy some games and more controllers, batteries, etc.

Mike
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post #274 of 527 Old 07-17-2009, 10:20 AM - Thread Starter
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Quote:
Originally Posted by Mike_WI View Post

I'm thinking about remote controls.
Since I've heard about the RS-232 benefit in the Oppo BDP-83 thread, I've been thinking about that.

I went to my post #1 on this thread and looked at my MA rack gear that does and does not have RS-232 jacks.

Gear with RS-232 jack
Projector/DVR UPS: Furman M1500-UPS-PFP (2 IR outputs, & RS-232 jack) -- plan is to turn off projector lamp if power off for >30 sec or so
Projector: JVC RS20 1080p
Receiver: Denon 5308CI (FW updated 2-6-09) [2 RS-232 jacks)
Blu Ray (future): awaiting Oppo BDP-83 + RS-232 modification)

No RS-232 jacks
Surge: Surge-X SEQ
Cable: SA8300HD + WD 500GB MyDVR Expander via eSATA
DVD/SACD/DVD-A: Oppo DV-980H
Blu Ray (current): Samsung BD-P1500
Game: Xbox with planned upgrade to Xbox 360 (Jasper) in the future
Ethernet Switch: D-Link DES-1024D 24-Port 10/100 Rack Mount Switch

The room is wired for a jack in the front of the room to have an IR blaster if needed routed to the back rack.

I'm also hoping to get room light control and basement HVAC control.

Mike

Updates...

Some things I'm thinking about:

I looked at my MA rack gear that does and does not have RS-232 jacks...

Gear with RS-232 jack
Projector/DVR UPS: Furman M1500-UPS-PFP (2 IR outputs, & RS-232 jack) -- plan is to turn off projector lamp if power off for >30 sec or so
Projector: JVC RS20 1080p
Receiver: Denon 5308CI (FW updated 2-6-09) [2 RS-232 jacks)
Blu Ray: Oppo BDP-83 + RS-232 modification

No RS-232 jacks
Surge: Surge-X SEQ
Cable: SA8300HD + WD 1 TB MyDVR Expander via eSATA
DVD/SACD/DVD-A: Oppo DV-980H
Game: Xbox 360 Pro "Jasper
Ethernet Switch: D-Link DES-1024D 24-Port 10/100 Rack Mount Switch


The room is wired for a jack in the front of the room to have an IR blaster if needed routed through the wall to the back rack.

I'm also hoping to get room light control (2 dimmer switches for all room lights now) and basement HVAC control (independent from flr 1 and flr 2 above)


Upgrades planned
- Carada Masquerade CIH masking system

??? - how does Lumagen RadianceXE auto detect mode work for triggers for 16:9 or 2.40:1???


Need to Do Notes

- Turn on - how with big red button on Surge-X SEQ?
- Control all components -- see list -- some RS232 (Oppo BDP83, some IR)
- work through metal MA rack door
- HVAC
- Lighting
- Masking system - interact with CineSlide and Lumagen RadianceXE settings
- WAF for remote
- "kid proof" remote

???: I saw someone was using a driveway sensor. Sounds cool.
Link

There is at least one local solution for integration that a neighbor of mine used as well as someone on the West coast I'm emailing today.

Mike
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post #275 of 527 Old 07-18-2009, 05:34 AM - Thread Starter
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Interestingly, my latest Audyssey calibration didn't sound good.
Very muted and "veiled".
Based on my and others impressions.

In between I had toed in my front speakers more, moved center channel to a stand, and gotten 8 HT chairs.

Based on recs in the Audyssey thread I used a boom (on floor) rather than a tripod (on taut leather chair).
I did do it about 1am, so maybe that was the problem.

Back to that drawing board...

Mike

EDIT:
Re-educating myself on the Audyssey setup manual!
Link

I see a few mistakes I made - mic below chair back height, measures outside of speaker axis, etc.
Oops...
(last time I do that the night before to "prepare" for people coming over!)

 

Audyssey Setup Guide.doc 325k . file
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post #276 of 527 Old 07-18-2009, 06:49 AM - Thread Starter
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Quote:
Originally Posted by Mike_WI View Post

That looks pretty cool.

I was wondering if there are any digital temperature displays/probes that can be hooked up to my plate.
I didn't see any (for the plate I got) on the MA site.
Funlvr1965 got me thinking about monitoring one (or more) sites in the rack to watch the temp.

Any thoughts?

Scott -

Man, now I see that the plate you showed:
Link
http://www.deepsurplus.com/Network-S...w-as-8-42-font

only costs $12.
I should have gone with that!

Any temperature monitors plug in there that you know of?
My initial search on that site didn't show anything.

Mike
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post #277 of 527 Old 07-18-2009, 04:36 PM - Thread Starter
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New XBOX 360...


White face plate




Carbon Fiber face plate




Rack




Rack




Sorry for low quality iPhone photos.
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post #278 of 527 Old 07-22-2009, 10:19 AM - Thread Starter
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Some updates:

- I tried re-calibrating with Audyssey with the following changes:
---- boom arm and adapter (vs. tripod sitting on taut leather chairs)
---- measured areas within speaker axis (vs. to far out)
---- mic farther from seat edge to avoid reflections

On "flat" it still sounds muted and duller.
The "Audyssey (reference)" setting sounds better.

One mistake I may have made was leaving the mains on LARGE instead of converting to SMALL (as suggested by the Audyssey FAQ).
I did that inadvertantly.
Well back to testing again -- now the wife and kids will be home, so less free time to try it...

---------------------

Anyway I did a little rack management and added a few rack plates with the old XBOX out and the new 360 Pro in the rsh custom rack spot.

I still have a few "inner" rack things to accomplish such as organizing the wires and attaching RS232 external rack adapter ring to Lumagen to allow easy access to FW updates, but I thought I would push it back in to open up the room (and improve WAF).


MA rack pushed in (with door attached)



MA rack pushed in (door pulled back)
(door later removed - since I don't have an RF/WiFi remote yet)



Still enough room for a 2 RU remote/automation module without removing rack storage, iPod doc, or Oppo 980.

Mike
LL
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post #279 of 527 Old 07-24-2009, 11:14 AM
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Looking Good Mike.



Wayne, when are you going to be putting up your Batcave Pics?
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post #280 of 527 Old 07-24-2009, 11:36 AM - Thread Starter
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Quote:
Originally Posted by SOWK View Post

Looking Good Mike.



Wayne, when are you going to be putting up your Batcave Pics?

Thanks.

We all await the next rounds (and numerous sequential pics!!!) of Wayne's HT.

Wow...as I was updating my Lumagen RadianceXE FW (see comments in that thread) a new Oppo beta FW came out -- link.

Mike
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post #281 of 527 Old 07-24-2009, 06:09 PM
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Hello Mike.

It's really fun following your thread and watching the progression of your Home Theater. It's really looking good. Great Job, Bravo!
By the way, what universal remote are you using for the RS-232 compatibility?

Regards.

"Chance favors only the prepared mind. "Louis Pasteur"

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The Setup
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post #282 of 527 Old 07-24-2009, 06:35 PM - Thread Starter
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Quote:
Originally Posted by ldgibson76 View Post

Hello Mike.

It's really fun following your thread and watching the progression of your Home Theater. It's really looking good. Great Job, Bravo!
By the way, what universal remote are you using for the RS-232 compatibility?

Regards.

Thanks.

No remote yet. Good (and topical) question.
Besides a CIH masking system, that is the next big thing on my "To Do" list.

I posted some thoughts above and copied this from my ramblings/summaries on post #1 of this thread:

- remote/integration for HT and HVAC and lighting - need to read up on RS-232 controls - options
(eg, need component control - screen masking (pending), CineSlide, vertical stretch, Lumagen RadianceXE modes)
(? can you trigger 2.35:1 button on Lumagen to activate CineSlide - yes, but how do you not activate it when you switch back and forth from 2.35/16:9 modes in Lumagen to look at menus on the bottom of screen)

Options:
--- AMX
--- Control4
--- Crestron
--- RTI
--- URC


A friend of mine (RTI owner) suggested I look at AMX for multiple functions a-lens/masking (pending)/HVAC/lighting control.
However, with 2 young kids a $5K (?? retail -- from a 2004 review - not sure how accurate now ??) remote + box + programming might () be overkill.

I may actually get a more "garden variety" remote like logitech or something for my gym room - LCD, cable, DVD, BR -- and try playing with programming that myself to figure out more about what I really want/need.

Other than that, I hopefully am slowed down for a while on upgrades or even tweaking.
Better to enjoy some of the summer and then actually watch some movies at night.
I'll likely add/change some in the winter when I'm in hibernation mode.

Mike
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post #283 of 527 Old 07-25-2009, 09:29 AM
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I guess they call this progress, the 980 has been sold and just waiting to be shipped out. I didn't get the rs232 option mainly because I found out that I can add it myself later if I need it for $50.00 I deal with computer hardware everyday so it just makes sense to me and Oppo sells it to me directly with instruction, no soldering involved. Just received today so theater won't get to do much with it for a bit, still last minute tyding up and painting the stairwell of the theater room and besides I've been over to Mike's place and I think he's tweaked his unit pretty good so I dont think I will have much to add anyway. Thought about the Denon but couldn't justify the extra cost.
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post #284 of 527 Old 07-25-2009, 12:30 PM - Thread Starter
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Quote:
Originally Posted by funlvr1965 View Post

I guess they call this progress, the 980 has been sold and just waiting to be shipped out. I didn't get the rs232 option mainly because I found out that I can add it myself later if I need it for $50.00 I deal with computer hardware everyday so it just makes sense to me and Oppo sells it to me directly with instruction, no soldering involved. Just received today so theater won't get to do much with it for a bit, still last minute tyding up and painting the stairwell of the theater room and besides I've been over to Mike's place and I think he's tweaked his unit pretty good so I dont think I will have much to add anyway. Thought about the Denon but couldn't justify the extra cost.

Wayne -

I can't wait to see your setup.
You'll love the 83.
I'll be interested to hear how your rs232 mod goes.
(remember to take pics...)

Mike
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post #285 of 527 Old 07-25-2009, 01:51 PM
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Quote:
Originally Posted by Mike_WI View Post

Wayne -

I can't wait to see your setup.
You'll love the 83.
I'll be interested to hear how your rs232 mod goes.
(remember to take pics...)

Mike

Mike your'e better at this documenting thing than me, Ill just callya , as far as the mod is concerned the reason I didnt get it with the unit is because I could always add it later and its cheaper if I do it myself. I dont think I will purchase the mod until I am able to implement it into my system, currently the RTI T3 remote with the right cable is capable of only one-way RS232 so I will receive no feedback telling me what movie is playing or providing any data on my remote. I know you also purchased the player with the mod so you could use it and from what I understand using it with the Oppo will give you some useful data, just understand that these lower end however more convenient remotes ( Harmony for one) won't allow you to take advantage of the mod you purchased, this is definately an area where you get what you pay for. I have the Logitech Harmony and I also have the RTI T3 which I love but if I wanted to stick with RTI I would have to upgrade to their T4 with XP-8 processor in order to do full two way serial communication or I would need to jump to an appropriate remote from URC and purchase their MS-400 processor. I wasn't ready to make that comittment so I decided to pass on the mod for now but i'ts nice to know it's there if I need it . I'm also waiting for my faceplate to come in from Fullcompass but fortunately I have an extra shelf that came with the rack so I can sit it in there for now. Gotta get back to working on the rack and making sure everything works including RF control
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post #286 of 527 Old 07-26-2009, 08:09 PM - Thread Starter
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Quote:
Originally Posted by funlvr1965 View Post

Mike your'e better at this documenting thing than me, Ill just callya , as far as the mod is concerned the reason I didnt get it with the unit is because I could always add it later and its cheaper if I do it myself. I dont think I will purchase the mod until I am able to implement it into my system, currently the RTI T3 remote with the right cable is capable of only one-way RS232 so I will receive no feedback telling me what movie is playing or providing any data on my remote. I know you also purchased the player with the mod so you could use it and from what I understand using it with the Oppo will give you some useful data, just understand that these lower end however more convenient remotes ( Harmony for one) won't allow you to take advantage of the mod you purchased, this is definately an area where you get what you pay for. I have the Logitech Harmony and I also have the RTI T3 which I love but if I wanted to stick with RTI I would have to upgrade to their T4 with XP-8 processor in order to do full two way serial communication or I would need to jump to an appropriate remote from URC and purchase their MS-400 processor. I wasn't ready to make that comittment so I decided to pass on the mod for now but i'ts nice to know it's there if I need it . I'm also waiting for my faceplate to come in from Fullcompass but fortunately I have an extra shelf that came with the rack so I can sit it in there for now. Gotta get back to working on the rack and making sure everything works including RF control

Wayne -

I'm a newby at (...most things...) the remote/automation/controller thing.

I'll have to look at your RTI more some day as well as other options (eg AMX).
My wife noted today that it isn't on our/her/my priority list for now.
(I did break it to her that the Carada CIH masking system is also on my list of things to get...)

As I noted above...
I may actually get a more "garden variety" remote like logitech or something for my gym room - LCD, cable, DVD, BR -- and try playing with programming that myself to figure out more about what I really want/need.

So, that should give me a little education about playing with macros, etc.
I'll likely leave the HT room programming to a professional given the amount of stuff I could potentially integrate.

More later...
(it was a long sunny day at the WI frog jumping competition!)

Mike
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post #287 of 527 Old 07-26-2009, 08:17 PM - Thread Starter
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Quote:
Originally Posted by Mike_WI View Post

Cool ideas from Wayne in the Lumagen RadianceXD support thread -- link (start of RS232 front port discussion) -- re: MA rack plates for connecting an easy access RS232 port for frequent Radiance FW updates.

I think you could also connect ethernet, USB, etc. ports for other functions.

MA rack plate for adapters for RS232 (etc) connections on front of rack

Very cool.

My notes from that thread copied below (that Radiance thread has more pics from Wayne):
--------------------

You're fast...

Adapter - Link


Switchcraft EHDB9MFB

9 Pin DSUB Male to Female, Black finish
EH SERIES OVERVIEW
Switchcraft's newest line of connectors, the EH Series, offers a wide range of connectors all within a standard XLR housing. A single panel cut-out allows the end user to mount multiple formats including USB-A, USB-B, Firewire, S-VHS, 3.5mm stereo with normal circuit, MIDI, both 9 pin and 15 pin HD D-sub, plus RCA and BNC feed-thru's. Perfect for systems integration, pro audio, A/V, data, etc. The connectors conveniently mount into standard XLR diagonal hole knockouts, which allows the installer to easily combine the different formats into standard pre-knocked plates or racks without having to custom drill and tap a specific hole for a specific connector. You can also populate your own combination of EH connectors in Switchcraft empty QG rack panels or single and dual gang wall plates.



Plate - Link or Whirlwind
????



Middle Atlantic Products UNI-1C

The UNI Series laser-cut connector panels feature knockouts that are designed to accept a number of connectors, including XLR and Neutrik. Our innovative design lets you mount both male and female connectors to the same holes simply by knocking out the correct pattern. Made from one-piece flanged steel, black powder coat finish.



or


Whirlwind PR1

1.75" 1-space punched rack panel with 10 XLR holes. Panels are made of .090" thick 5052 aluminum with bent flanges for rigidity and have a brushed black anodized finish.
Note: Image shows multiple rack panel models.


The Whirlwind is a lot cheaper.
I'll have to check your pics and here if that is what you did.

Thanks,



Mike

PS - Just for the record, this would be "cleaner" if it was incorporated in the Radiance, but hey, a good retrofit.

*EDIT*
Pics added.
Wayne - it looks like you got the MA plate.
Any reason you didn't get the Whirlwind?
What are you using the ethernet connection for? No easy access for it behind rack for BR player, etc?

I finally got this done today.
See notes and pics from Wayne above...

I used:
- Middle Atlantic Products UNI-1C - connector plate
- Switchcraft EHDB9MFB - 9 Pin DSUB Male to Female

Not exactly high up on the list of technical prowess, but I got it done.
Since I just did a Radiance FW update, I haven't tested it out to make sure it's function (now I need another RS232 cable), but it should work.

Mike

Picture:
- MA blank plate
- MA UNI-1C & Switchcraft adapter
- Lumagen RadianceXE
- iPod dock
- Surge-X SEQ (non-MOV) surge protector


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post #288 of 527 Old 07-26-2009, 08:43 PM
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Quote:
Originally Posted by Mike_WI View Post

I finally got this done today.
See notes and pics from Wayne above...

I used:
- Middle Atlantic Products UNI-1C - connector plate
- Switchcraft EHDB9MFB - 9 Pin DSUB Male to Female

Not exactly high up on the list of technical prowess, but I got it done.
Since I just did a Radiance FW update, I haven't tested it out to make sure it's function (now I need another RS232 cable), but it should work.

Mike

Picture:
- MA blank plate
- MA UNI-1C & Switchcraft adapter
- Lumagen RadianceXE
- iPod dock
- Surge-X SEQ (non-MOV) surge protector


Hey Man you did it you will find updating your lumagen this way to be pretty convenient, my rack is only 27 units high so its really out of the question for me but did you give any thought to a shelf where you could put or store your laptop so you could do updates or just link up to your equipment?
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post #289 of 527 Old 07-26-2009, 10:07 PM - Thread Starter
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Quote:
Originally Posted by funlvr1965 View Post

Hey Man you did it you will find updating your lumagen this way to be pretty convenient, my rack is only 27 units high so its really out of the question for me but did you give any thought to a shelf where you could put or store your laptop so you could do updates or just link up to your equipment?

Wayne -

The back HT seats are relatively close to the rack.
My Radiance null modem cable could reach.
I think another RS232 cable should be okay.

I encourage you to look into it though.

Mike
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post #290 of 527 Old 07-27-2009, 05:42 AM
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Quote:
Originally Posted by Mike_WI View Post

Wayne -

The back HT seats are relatively close to the rack.
My Radiance null modem cable could reach.
I think another RS232 cable should be okay.

I encourage you to look into it though.

Mike

My rack isn't as high as yours but its perfect because it just fits under my stairs and the upper part of the rack is filled so I would basically have the laptop shelf near the floor what fun is that lol. If I had a taller rack I could install the shelf in a position so I would be standing up when using the laptop for updates. Dave popped over quick to run through some stuff with the lumagen, he setup the Oppo for 480i/24, this thing actually works, we popped in Lord of the Rings and were watching it in 24hz and It looked the best that I have seen it in my system, obviously not hd but I think the Lumagen/Oppo combo is great. We did have a glitch where we lost the signal from the Lumagen at one point, dont know why. We ended turning things off then back on again and reset the settings and so far so good but proof will be in the pudding when I fire things up again this week so Im keeping my fingers crossed.
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post #291 of 527 Old 07-27-2009, 07:48 AM
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Mike: What does the iPod dock look like wiht an iPod in it? Who makes it? My kids would like one of those.
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post #292 of 527 Old 07-27-2009, 11:40 AM - Thread Starter
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Quote:
Originally Posted by GetGray View Post

Mike: What does the iPod dock look like wiht an iPod in it? Who makes it? My kids would like one of those.

GetGray -

Raxxess IRDS iPod Docking Station
Link



I haven't actually gotten it to work.
There is a USB output that isn't workign with my Denon receiver.
It isn't doing much right now.
Looks good though.



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post #293 of 527 Old 08-08-2009, 12:55 PM - Thread Starter
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I got the Oppo AIX HD sampler and calibration disc.
Nice!

Updated Denon FW.
Now gotta figure out why my 360 doesn't work anymore -- likely a wire loose from pushing rack back into wall.

Mike
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post #294 of 527 Old 08-18-2009, 03:19 PM - Thread Starter
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Bad iPhone pic, but:



My intermittently problematic 17 year old Denon AVR is causing more problems (going into "PROTECTION!!!" mode on startup), so I brought in my Emotiva UPA-2, which wasn't doing much currently in my family room.

Setup:
Computer laptop headphone output (so, not digital out)-> RCA cords -> UPA-2

Problems:
- gain control gives limited volume adjustment for small office environment
- may want to add a CD player later just for fun and can't do it with amp only setup now
- I may just want to play with a pre-amp/amp combo

Thoughts:
- add USB DAC (eg TCA DAC MAN -- currently unavailable, but thread here) to UPA-2 amp (no pre-amp)
- add Emotiva stereo USP-1 pre-amp to UPA-2 amp for volume control (with computer vol at max to increase S/N ratio) +/- DAC -- any reason?

That is, any benefit to adding a DAC if a pre-amp is used in this setup?

Any comments?

Thanks

Mike
LL
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post #295 of 527 Old 08-18-2009, 06:51 PM
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Quote:
Originally Posted by Mike_WI View Post

Setup:
Computer laptop headphone output (so, not digital out)-> RCA cords -> UPA-2

Problems:
- gain control gives limited volume adjustment for small office environment
- may want to add a CD player later just for fun and can't do it with amp only setup now
- I may just want to play with a pre-amp/amp combo

Thoughts:
- add USB DAC (eg TCA DAC MAN -- currently unavailable, but thread here) to UPA-2 amp (no pre-amp)
- add Emotiva stereo USP-1 pre-amp to UPA-2 amp for volume control (with computer vol at max to increase S/N ratio) +/- DAC -- any reason?

That is, any benefit to adding a DAC if a pre-amp is used in this setup?

Any comments?

Thanks

Mike

Hey Mike,

If there is no digital out from the laptop then you do not need the dac... Just run it to your preamp and you'll be fine (of course, quality of playback depending on the source).

As far as the benefit of adding a dac if a preamp is used? It depends on a lot of factors. Quite a few people find that by adding a tube dac (doesn't have to be an expensive one) noticeably improves performance, provides a little warmth and extra detail, etc etc...

In my case I did notice a great improvement with my amp/tube preamp/dac lineup compared with just running the receiver.

Given the fact that it's your secondary setup, you must decide how far you want to go... If upgraditis is causing bad itching (as it's always the case with many of us here) you should get that bad boy and trick out that office!

I checked out the link for the dac, it looks good! There are a few small companies out there that make these, and apparently people are really happy with them. Here is a link to another one http://www.audioreview.com/USBTDcrx.aspx

As always, this is just my opinion...

Setup looks awesome,

Cheers
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post #296 of 527 Old 08-18-2009, 09:39 PM - Thread Starter
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Quote:
Originally Posted by ddgtr View Post

Hey Mike,

If there is no digital out from the laptop then you do not need the dac... Just run it to your preamp and you'll be fine (of course, quality of playback depending on the source).

As far as the benefit of adding a dac if a preamp is used? It depends on a lot of factors. Quite a few people find that by adding a tube dac (doesn't have to be an expensive one) noticeably improves performance, provides a little warmth and extra detail, etc etc...

In my case I did notice a great improvement with my amp/tube preamp/dac lineup compared with just running the receiver.

Given the fact that it's your secondary setup, you must decide how far you want to go... If upgraditis is causing bad itching (as it's always the case with many of us here) you should get that bad boy and trick out that office!

I checked out the link for the dac, it looks good! There are a few small companies out there that make these, and apparently people are really happy with them. Here is a link to another one http://www.audioreview.com/USBTDcrx.aspx

As always, this is just my opinion...

Setup looks awsome,

Cheers

Cool.
Thanks for tip:

Scott Nixon USB-Tube DAC


So, it sounds like there is potential for improvement.
To clarify, without a pre-amp, how much do you think it will improve?

I think the TCA DAC-MAN is supposed to cost less than the DAC above.
(no tube & I don't know about the SP/DIF vs. I2 processing from your link above)

Link

DacMan is a 24bit / 192 KHz D/A converter.

Features USB input, optical input, and coax input.

The inputs are fed to a DSP which upsamples the audio input to 24 bit / 192 KHz digital data.

The output of the upsampler is fed to a high performance D/A converter and then to a fully DC coupled high performance audio stage.

Frequency Response = 10Hz to 100KHz +/- .5dB
THD = .<005% across entire frequency range
Output with 0dB Full scale input = 3V RMS
Volume Control, 50 dB dynamic range with .5 dB steps

Price is $279 delivered.

DacMan Prototype Pics...




Thanks,

Mike
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^^

The only way to really find out is of course, to try plugging it into your configuration...

However, if the TCA's circuitry is properly designed and implemented, you should be able to hear a nice improvement. Of course, the price is really attractive and I like the fact that it gives you volume control therefore eliminating the need for a preamp especially in a secondary setup.

Another thing to consider is that a preamp does not necessarily guarantee an improvement in sound (or at least a blind test one), as it's the case with any other component. But you do need some form of volume control and the nice thing about the TCA is it provides that while being able to take in an usb input from your laptop. I think it's a good way to go, this way you're making good use of the UPA2 since the receiver is acting up...

Looking forward to your impressions once you get the TCA!!
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post #298 of 527 Old 08-19-2009, 07:44 AM - Thread Starter
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Quote:
Originally Posted by ddgtr View Post

^^

The only way to really find out is of course, to try plugging it into your configuration...

However, if the TCA's circuitry is properly designed and implemented, you should be able to hear a nice improvement. Of course, the price is really attractive and I like the fact that it gives you volume control therefore eliminating the need for a preamp especially in a secondary setup.

Another thing to consider is that a preamp does not necessarily guarantee an improvement in sound (or at least a blind test one), as it's the case with any other component. But you do need some form of volume control and the nice thing about the TCA is it provides that while being able to take in an usb input from your laptop. I think it's a good way to go, this way you're making good use of the UPA2 since the receiver is acting up...

Looking forward to your impressions once you get the TCA!!

ddgtr -

Thank you for your comments.

Interesting post at TCA:
Link
http://www.tweakcityaudio.com/forum/showpost.php?p=36829&postcount=119
There is a thread at head-fi.org called All The DACs Money Can Buy, pt. 2. It lists 173 different DAC's sorted by price. Forty of them are under $300. This doesn't even include many USB and Firewire audio interfaces and internal soundcards. The Dac-Man would certainly be up against a lot of competition. I would suggest you put your resources elsewhere.

For those interested, ComputerAudiophile.com has an interesting article called Asynchronicity: A USB Audio Primer which discusses USB as an audio interface.



Time for a little researching...

Mike
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Quote:
Originally Posted by Mike_WI View Post

Bad iPhone pic, but:



My intermittently problematic 17 year old Denon AVR is causing more problems (going into "PROTECTION!!!" mode on startup), so I brought in my Emotiva UPA-2, which wasn't doing much currently in my family room.

Setup:
Computer laptop headphone output (so, not digital out)-> RCA cords -> UPA-2

Problems:
- gain control gives limited volume adjustment for small office environment
- may want to add a CD player later just for fun and can't do it with amp only setup now
- I may just want to play with a pre-amp/amp combo

Thoughts:
- add USB DAC (eg TCA DAC MAN -- currently unavailable, but thread here) to UPA-2 amp (no pre-amp)
- add Emotiva stereo USP-1 pre-amp to UPA-2 amp for volume control (with computer vol at max to increase S/N ratio) +/- DAC -- any reason?

That is, any benefit to adding a DAC if a pre-amp is used in this setup?

Any comments?

Thanks

Mike

Mike.

As for DAC, you might want to look into the High Resolution Technologies Music Streamer USB DAC. TAS gave it positive review for the money - http://www.avguide.com/review/tas-19...-survey?page=1 -

This version is $99. Given the price I've been thinking about trying this one myself. They also have a higher end version but I think it is like $299. Here is info on the higher end version. http://www.6moons.com/audioreviews/s...streamer+.html
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Originally Posted by Happytobehere200 View Post

Mike.

As for DAC, you might want to look into the High Resolution Technologies Music Streamer USB DAC. TAS gave it positive review for the money - http://www.avguide.com/review/tas-19...-survey?page=1 -

This version is $99. Given the price I've been thinking about trying this one myself. They also have a higher end version but I think it is like $299. Here is info on the higher end version. http://www.6moons.com/audioreviews/s...streamer+.html

Thanks.
I'll explore...

Mike

Music Streamer



RE: Music Streamer+
"Music Streamer+'s specifications boast 21dB better signal-to-noise, a 100uV RMS lower A-weighted noise floor, and 0.04% lower THD"

and

"In matched-level tests between the Stello and Music Streamer I could not reliably tell one from the other."

"It may not support 96/24 or other higher-resolution digital files, but what the Music Streamer+ does for 44.1 and 48kHz 16-bit music files must be heard to be believed."




Link
"Comparing specs between standard and Plus (a Pro is in the wings) shows that physical dimensions diverge only in depth. The Plus adds an inch in length over the 4.1" x 2.1" x 1.2" of the nonplussed. Both output 2.25V RMS and share the 250mA power requirement which is supplied by the USB host to not require a separate power supply. The transfer protocol of 48kS/s data rate at 16-bit depth on the USB 1.1 standard is identical as is the 20M-ohm input impedance to isolate USB input from analog audio output. It's the performance specs that differ. The Plus has a lower noise floor and hence superior S/N ratio (22uV RMS from DC to 30kHz vs. 174uV; 100dB vs. 82dB or, A-weighted, 107dB vs. 86dB). THD at 1kHz also drops from 0.06% to 0.02%. This suggests costlier parts. The only other distinction is a red enclosure for the standard. The Plus goes black but a bit deeper into the red on price (the standard sells for a puny $99.95)."

High Resolutions website - link


Mike
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