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post #2521 of 3686 Old 05-27-2019, 11:11 AM
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@Archaea Yes, I'll post some pics today. We are looking forward to watching part 3 tonight!

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post #2522 of 3686 Old 05-27-2019, 11:16 AM
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Quote:
Originally Posted by trhought View Post
Wow brazensol. Thanks for the follow-up. Was wondering how the additional MBQuart's were working out. That's so awesome! Great to hear you have the full BOSS experience to offer in the front row and the mild version in the back row...very cool! Nicely done!
Not done just yet! I will also be adding the MB Quarts to the second row but each set of 3 speakers will have their own dedicated channel (one channel for each 3 set of JBL's (x2) and one channel for each 3 set of MB Quarts (x2) so they can all be adjusted accordingly. Of course my wife will now end up liking lots of TR and all the extra trouble and expense I went to make the platforms as flexible as possible will be for naught....

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post #2523 of 3686 Old 05-27-2019, 05:56 PM - Thread Starter
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Quote:
Originally Posted by brazensol View Post
Not done just yet! I will also be adding the MB Quarts to the second row but each set of 3 speakers will have their own dedicated channel (one channel for each 3 set of JBL's (x2) and one channel for each 3 set of MB Quarts (x2) so they can all be adjusted accordingly. Of course my wife will now end up liking lots of TR and all the extra trouble and expense I went to make the platforms as flexible as possible will be for naught....
Either way, you've earned major points when she returns home! Going the extra mile to allow a custom experience is a nice feature to have. Looking forward to hearing more about your setup and experiences as it all comes together!
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post #2524 of 3686 Old 05-28-2019, 07:05 AM - Thread Starter
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Quote:
Originally Posted by Archaea View Post
Can you upload some pictures of your setup?

I decided, for better or worse, on the BOSS direct mount system for my four chairs. Last night was the first movie the family watched together since I got it installed - we picked out How To Train Your Dragon 3. I asked the girls if they felt more shake than normal they said yes. I really enjoyed the experience. You could tell the direct mount woofers were on, and the extra tactile feedback was welcome and fun. A couple scenes were great. The hidden world's waterfall scene, some of the big dragon's stomping around, even the credit music at the end of the movie was re-enforced by the direct mount BOSS style woofer and Hudson HiFi isos.
Archaea....Thanks for the update on your BOSS builds! So glad you're enjoying the new additions to your theater and have been able to enhance your already capable system.

For the bold above....that's the icing on the cake when the whole family can enjoy the fruits of our labor and our hobby!
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post #2525 of 3686 Old 05-28-2019, 08:05 AM
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HTTYD 3 was a much better bass experience than #2 was. I had to dial down the MBQuarts a couple of times because they were making the metallic clunking sound on a few scenes. I think it would be quite easy to blow these things if not careful. I need to set a voltage limit on them to have some peace of mind.

@Archaea I promise to get some pics soon. I am remodeling my house and was flat out exhausted last night. I barely stayed awake for the movie.

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post #2526 of 3686 Old 05-28-2019, 08:15 AM
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Yes you need to limit them.

I’ve put a 20 watt limit in place for each. (80watt total). Mine are all wired together. Make sure and select your correct ohm rating when selecting your wiring.

Mine haven’t ever bottomed out with this setting and I’ve even played bass tracks for car audio and bass mechanics type music to make sure I’m good. I watched the drivers movement under the recliners footrest as I was dialing them in to make sure I found a happy place.

I think they’d take more power, but I haven’t experimented and don’t really feel the need...yet.
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(13) JBL CBT 70j-1 | Denon x7200wa | Sherbourn PA 7-350 amplifier | (8) Ultimax 18" sealed subwoofers | (4) iNuke DSP 6000 amplifiers | (4) MB Quart 12" subwoofers mounted direct mounted to Berkline theater chairs BOSS style | Epson 5040UB Projector | Jamestown 144" acoustic transparent 2.35:1 screen w/ Seymour XD fabric
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post #2527 of 3686 Old 05-28-2019, 08:19 AM
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It's kinda funny because when I was watching scenes from Mad Max with it's very aggressive bass they sounded (and felt) just fine. I guess it's in how the movie soundtrack is mastered that makes the difference on how they perform.

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post #2528 of 3686 Old 05-28-2019, 08:26 AM
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And so it begins finally....

Drivers - on hand
Iso's - ordered & waiting
Platform - cut, glued & stained. Driver placement arranged around the shakers already mounted in couch.
MiniDSP - already in place
Amplification - temporary unused AVR on hand

Going to let stain dry during the week and planning for test run this upcoming weekend.
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post #2529 of 3686 Old 05-28-2019, 08:38 AM
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FWIW, I’ve given my JBL’s a good 125 watts each for a few movies and haven’t had any problems; that’s with hitting the limiter during deep bass scenes a number of times. I backed them down to 80w for how I have them wired now. Probably one of those YMMV things, depending on setup and QC of each driver.

Not all that important, but I’m curious how much cone sag these will have over time in a downfiring BOSS alignment. Hard at working building a long shelf today to raise up the VNF subs.

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post #2530 of 3686 Old 05-28-2019, 08:47 AM - Thread Starter
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Quote:
Originally Posted by brazensol View Post
It's kinda funny because when I was watching scenes from Mad Max with it's very aggressive bass they sounded (and felt) just fine. I guess it's in how the movie soundtrack is mastered that makes the difference on how they perform.
Yep....when comparing the original soundtracks for both movies, it's probably the 20-30Hz content that's causing the clanking noise with the MBQuart's. HTTYD 3 is mixed about 5dB hotter than Mad Max FR in this area of the spectrum when looking at the signals in BEQ designer.

Sounds like your MBQuart setup is right on the edge of clipping....a power limiter in the Behringer would help so you won't hear that clanking noise regardless of the original movie mix.
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post #2531 of 3686 Old 05-28-2019, 08:52 AM - Thread Starter
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Originally Posted by Kevnmin View Post
And so it begins finally....

Drivers - on hand
Iso's - ordered & waiting
Platform - cut, glued & stained. Driver placement arranged around the shakers already mounted in couch.
MiniDSP - already in place
Amplification - temporary unused AVR on hand

Going to let stain dry during the week and planning for test run this upcoming weekend.
Looks great Kevnmin.....love the double layer 4 JBL platform. Should combine nicely with your shakers already mounted to the chairs if I'm interpreting the pictures correctly.

Awesome work! Can't wait to hear your impressions of your BOSS once you get it up and going this weekend.
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post #2532 of 3686 Old 05-28-2019, 08:56 AM - Thread Starter
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Quote:
Originally Posted by Sekosche View Post
FWIW, I’ve given my JBL’s a good 125 watts each for a few movies and haven’t had any problems; that’s with hitting the limiter during deep bass scenes a number of times. I backed them down to 80w for how I have them wired now. Probably one of those YMMV things, depending on setup and QC of each driver.

Not all that important, but I’m curious how much cone sag these will have over time in a downfiring BOSS alignment. Hard at working building a long shelf today to raise up the VNF subs.
Good question about the cone sag....I've often wondered the same thing. So far, no noticeable differenes on my back row BOSS which has been in operation since November 2018. I think the stiffer suspension of the JBL will help reduce cone sag over time.
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post #2533 of 3686 Old 05-28-2019, 10:59 AM
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Oh, the pain of waiting for Best Buy to put those JBL's on sale again got the best of me. Pulled the trigger and ordered straight from CarAudioCloseout for 41.41. Figured the extra 100 bucks for 8 subs isn't worth the heartburn of waiting. ISO's already in the house, picking up new far field subs tomorrow and will get going on my platforms soon. Need to get my new seating out of those darn boxes and get going!

Will keep you posted, and a big thanks again to all you Trailblazers!

Casey
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post #2534 of 3686 Old 05-28-2019, 11:00 AM
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My boss and chair are too heavy for the 8 isolators to handle on the padded carpet. It sinks so the 18 inch speaker is too close to the ground. I'm thinking about putting it on my Crocs cut outs. Would that affect the "floatiness"?

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post #2535 of 3686 Old 05-28-2019, 01:47 PM
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Quote:
Originally Posted by brazensol View Post
Great news! Got the MB Quarts installed on the first row and popped in Mad Max Fury Road for a spin on some selected scenes. Very disappointing. Then I remember I had to run the MB Quarts out of phase. Holy Cow!!! Almost a night and day difference between the second row TR and first row TR! Watched the scene where they entered the sandstorm several times. Awesome!

Not so great news... Last night we watched How To Train Your Dragon 2 and it was a dud LFE-wise (with a couple of momentary exceptions but over all not much to write home about). Totally different movie than HTTYD 1. I really must learn how that BEQ stuff works... The bad news is I guess I'll have to adjust each channel for BEQ so in my setup that will be 4 channels (just for the BOSS speakers). Nine total if I adjust all the bass channels.
You can get all the details in the BEQ thread, but when using the MiniDSP HD you will put the BEQ filters on the input side, effecting all four of the outputs at the same time.
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post #2536 of 3686 Old 05-28-2019, 07:10 PM - Thread Starter
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Originally Posted by CaseyH71 View Post
Oh, the pain of waiting for Best Buy to put those JBL's on sale again got the best of me. Pulled the trigger and ordered straight from CarAudioCloseout for 41.41. Figured the extra 100 bucks for 8 subs isn't worth the heartburn of waiting. ISO's already in the house, picking up new far field subs tomorrow and will get going on my platforms soon. Need to get my new seating out of those darn boxes and get going!

Will keep you posted, and a big thanks again to all you Trailblazers!

Casey
Wow Casey....didn't realize you had so many irons in the fire....new far fields, new chairs and new BOSS platforms. That's gonna be a sweet setup!

Great price on the JBL's also.....best to pull the trigger now at that price rather than wait it out. Hard telling when the next sale will be.

Keep us posted on your progress and any BOSS questions that may come up as your design comes into focus.

Looking forward to learning more about your setup and design.
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post #2537 of 3686 Old 05-28-2019, 07:18 PM - Thread Starter
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Quote:
Originally Posted by cobr View Post
My boss and chair are too heavy for the 8 isolators to handle on the padded carpet. It sinks so the 18 inch speaker is too close to the ground. I'm thinking about putting it on my Crocs cut outs. Would that affect the "floatiness"?
cobr.....sounds like a great BOSS setup so far. Only one way to find out about the Crocs.....test them using the wiggle test. If you get any wiggle that looks like Archaea's video a few posts above, then your BOSS experience will be great. I'm presuming you're using the Crocs underneath the rubber isolators as spacers basically. If you plan to use the Crocs only without the rubber isolators, then I wouldn't expect much "floatiness".
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post #2538 of 3686 Old 05-29-2019, 07:02 AM
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Perfect timing, my vacation begins today now I just need Thomann to get back to me regarding the blown amps.
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post #2539 of 3686 Old 05-29-2019, 08:19 AM
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Perfect timing, my vacation begins today now I just need Thomann to get back to me regarding the blown amps.

Did your delivery guy really stack your boxes like that? sorta seems like a dick way to stack it considering the possibility of tipping... or crushing the bottom box from the weight above... ^^;;

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post #2540 of 3686 Old 05-29-2019, 08:26 AM - Thread Starter
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Perfect timing, my vacation begins today now I just need Thomann to get back to me regarding the blown amps.
eeyore.....Thanks for the update. Great to see your replacement drivers have arrived. Can't wait to hear your impressions once you get all the speaker openings finally filled on your BOSS platforms. Hoping no more sine wave tests are in your future

Please keep us updated as your vacation upgrades continue to your awesome theater.

Looking forward to more pictures of your BOSS platforms and your theater!
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post #2541 of 3686 Old 05-29-2019, 08:35 AM
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Did your delivery guy really stack your boxes like that? sorta seems like a dick way to stack it considering the possibility of tipping... or crushing the bottom box from the weight above... ^^;;
It was looking like rain, so I think he was worried about that and tried to get them under the roof. He could just have put them in the shed, they have my written permission to do that but I guess that he didn't know that.

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Originally Posted by trhought View Post
eeyore.....Thanks for the update. Great to see your replacement drivers have arrived. Can't wait to hear your impressions once you get all the speaker openings finally filled on your BOSS platforms. Hoping no more sine wave tests are in your future

Please keep us updated as your vacation upgrades continue to your awesome theater.

Looking forward to more pictures of your BOSS platforms and your theater!
Thanks I will. I am going to put 2 back in the front row for a total of 6, and 4 i the back row.
No more sinevawes for me, I have learned that leasson the hard way
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post #2542 of 3686 Old 05-29-2019, 10:15 AM
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The Hideaway Theater

I completed my BOSS build last night finally . Here are some pictures. Didn’t get to play with it much other than making sure it is working as it was late at night. At -22MV with bass +8, 3000D at 1pm 35hz LPF and 35hz +5 LS, my chair shook more than ever . More impression to follow.


^^ Chairs with ~2” tall foot legs.


^^ Foot legs removed. Double 3/4” glued and screwed plywood was put in place (~1.45" actual thickness).


^^ 4 separate double glued and screwed 3/4” platforms.






^^ Platforms tied together with 3/4” plywood and screwed into chair bottom. 12 Hudson ISOs are in place. 8 JBLs wired for 8ohms load connected to the Behringer 3000D amp in bridge mode.


^^ Chairs right side up.











Edit: I have been playing with my boss for the last couple days and like everyone said: it is amazing, truly is. I feel thing I didn’t notice before as it wobbles a lot more now. The first scene I tried was the Lone survivor chopper scene as I knew I didn’t feel anything with my subs before. This time with boss, I can feel it in my seat/body as the chopper flying through - very cool.

With my source being my HTPC and with the 3000D connected, I was able to play lots of bass demo clips while changing out the settings on the 3000D on the fly to see what I like best. I finally settle on 20hz 12db LR LPF, 35hz +6 LS12, gain at 1o’clock and DynEQ on with 60hz +10 LP12 at -25 threshold (I turn dynEQ off on my Denon AVR). I find that some materials and music can benefit from a higher xover but for now 30hz is a good compromise for all materials. I started out with 180 phase which is actually in phase on the 3000D based on Aron’s post about the reverse internal wiring on the Behringer amp. I then switched to 0 phase and there wasn’t much different (I expected bad sound/feel from switching to one of the 2 phases but it didn’t happen) while playing a song repeatedly. After doing that for 5 minutes, the 0 phase has a hair fuller feel to it, so I settle with 0 phase.

What I like the most about the boss is being able to have the TR and wobble effects at -25MV on my AVR and it feels very real. I was testing the boss out with a song from Paul Rodgers: Live in Glasgow but I enjoyed it so much that I ended up watching the whole concert. It sounded like I was there in the concert with each drum and bass notes hitting my back and body . To test it out, without changing anything, I stood up, and the feel to the sound was missing then I sat down and boom there it was

I spent about $900 and a weekend building my 8 Jbl boss, it is easily one of the best upgrade I made to my theater. I have been to about 20 AVSers’ houses listening to some of the badest *ss systems hitting above reference up to 150db and I am glad to report that my boss TR has surpassed the TR of those systems . BOSS completed my bass crave!

Again, I would like to thanks Tim for such a great find and thanks Sbuger for all of his inspirational posts


^^VibSensor measurements show strong TR with Boss only measurement especially with a BIG jump at 10Hz as compared to Subs only measurement.


^^ Quite strong TR at 7hz on Lone Survivor Chinook scene.
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Last edited by tvuong; 08-23-2019 at 08:27 AM.
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post #2543 of 3686 Old 05-29-2019, 10:50 AM
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Completed my BOSS build last night finally . Here are some pictures. Didn’t get to play with it much other than making sure it is working as it was late at night. At -22MV with bass +8, 3000D at 1pm 35hz LPF and 35hz +5 LS, my chair shook more than ever . More impression to follow.


^^ Chairs with ~2” tall foot legs.


^^ Foot legs removed. Double 3/4” plywood was put in place.


^^ 4 separate double glued and screwed 3/4” platforms.






^^ Platforms tied together with 3/4” plywood. 12 Hudson ISOs are in place. 8 JBLs wired for 8ohms load connected to the Behringer 3000D amp in bridge mode.


^^ Chairs right side up.








Wow, awesome build! That does look very complicated/time consuming to do right, but it’ll be worth it.

Looking forward to your impressions!

Speakers: PSA MTM-210T x2, MTM-210C, MT-110SR x2; Atmos-SVS Satellite x2, DIY Volt-10 x2
Subs: PSA V1801 x2, DIY: 18" RSS460HO, 15" RSS390HO x2, BOSS w/JBL CX1200 x6
MA’s: Crowson Tech x2
Processing: Denon X4200, NU6KDSP, 3KDSP
Video: Epson 3700; Screen: Silver Ticket 106" High Contrast
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post #2544 of 3686 Old 05-29-2019, 10:56 AM
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The Hideaway Theater

VNF riser over BOSS turned out great. There’s a lot more chest slam and midbass TR with them at the appropriate body level..

Speakers: PSA MTM-210T x2, MTM-210C, MT-110SR x2; Atmos-SVS Satellite x2, DIY Volt-10 x2
Subs: PSA V1801 x2, DIY: 18" RSS460HO, 15" RSS390HO x2, BOSS w/JBL CX1200 x6
MA’s: Crowson Tech x2
Processing: Denon X4200, NU6KDSP, 3KDSP
Video: Epson 3700; Screen: Silver Ticket 106" High Contrast
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post #2545 of 3686 Old 05-29-2019, 11:23 AM
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@tvuong - WOW ..that's looks fantastic!! Seriously, great job man!! As good as it looks, I bet it's gonna feel even better ... get ready for a whole lotta TR fun!!

@Sekosche - Very nice on the VNF riser!!
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My 'Blacked Out' Home Theater | Tactile Response for BASS | BassEQ for Filtered Movies
1400cuft Sealed Room on Suspended Floor | SY Triple Black Velvet Blackout | GIK Treatments | Denon AVR-X6300H - 7.7.4 Atmos | KEF Q Series Speakers | Epson 5040 4K | Eyes 6.5' to 120" 16:9 AT Seymour Screen | Oppo 203 | Xbox 1X | Apple TV4K | 6x 18" Sealed Subs w/3x VNF | Subwoofer Riser w/6x JBL-12s | 6x Crowson MAs | 4x BK LFEs | MiniDSP 10x10HD
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post #2546 of 3686 Old 05-29-2019, 11:34 AM
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Thanks guys.
@Sekosche , very nice. Assuming your MLP is at the center of couch, flipping the 2 18" so that the ports are also at the center position will give you the wind fanning sensation on top of the TR
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post #2547 of 3686 Old 05-29-2019, 11:54 AM
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Looking for thoughts with a couple amplifier options beyond my temporary unused AVR I'll use initially.
I"ll be driving 4 JBL's in my mini riser. I found these two amps in the local classifieds and wondering if they'd be up to task. I'm only looking since these are good priced and I'm unsure about getting an Inuke because of fan noise. Also I've got a MiniDSP up the chain to set the low pass so no need for internal DSP.

1) Crown XLS 1000 2 channel amp - rated 215 watts per channel with 8 ohm load. Should work for two drivers per channel in parallel. Advantages are RCA inputs so no adapter required. Big disadvantage is the manual turn on & off.

2) Emotiva XPA-100 monoblock amp - rated 400 watts with 4 ohm load. Should drive all 4 drivers in series/parallel config. Advantages are same as Crown with RCA's, plus 12 volt trigger on/off, therefore no disadvantage of manual on/off.

Sony 75X940E, Denon X6200w, Sony X700, Roku Ultra, MiniDSP 2x4HD
Parasound (2x)HCA-855a, HCA-750a, Sony ES4300, BKA-1000 & -300
Mission 705a L&R, dual 70c3 C, 703 SL&SR, 705 BL&BR, (4x)Yamaha NSIC800 Atmos
LFE- Front: M&K MX-200 & MX-150THX; Rear: (2x)M&K V-75's
ULF- Bk LFE(4x) & Advance + Aura shakers(2x) + Mini-riser BOSS(8x12" JBL's)
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post #2548 of 3686 Old 05-29-2019, 12:13 PM
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Quote:
Originally Posted by Kevnmin View Post
Looking for thoughts with a couple amplifier options beyond my temporary unused AVR I'll use initially.
I"ll be driving 4 JBL's in my mini riser. I found these two amps in the local classifieds and wondering if they'd be up to task. I'm only looking since these are good priced and I'm unsure about getting an Inuke because of fan noise. Also I've got a MiniDSP up the chain to set the low pass so no need for internal DSP.

1) Crown XLS 1000 2 channel amp - rated 215 watts per channel with 8 ohm load. Should work for two drivers per channel in parallel. Advantages are RCA inputs so no adapter required. Big disadvantage is the manual turn on & off.

2) Emotiva XPA-100 monoblock amp - rated 400 watts with 4 ohm load. Should drive all 4 drivers in series/parallel config. Advantages are same as Crown with RCA's, plus 12 volt trigger on/off, therefore no disadvantage of manual on/off.
I think both amps will do fine if you wire the speakers up correctly. However I would look for something with DSP and limiter, even though you have a minidsp. The limiter is a nice feature that prevents you from damaging the speakers by exceeding xmax.
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post #2549 of 3686 Old 05-29-2019, 12:24 PM
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Quote:
Originally Posted by eeyoreDK View Post
I think both amps will do fine if you wire the speakers up correctly. However I would look for something with DSP and limiter, even though you have a minidsp. The limiter is a nice feature that prevents you from damaging the speakers by exceeding xmax.

The Crown has an option for limiter, the operation manual I'm looking at on-line doesn't explain thoroughly. Maybe a phone call to technical support is in order.

Sony 75X940E, Denon X6200w, Sony X700, Roku Ultra, MiniDSP 2x4HD
Parasound (2x)HCA-855a, HCA-750a, Sony ES4300, BKA-1000 & -300
Mission 705a L&R, dual 70c3 C, 703 SL&SR, 705 BL&BR, (4x)Yamaha NSIC800 Atmos
LFE- Front: M&K MX-200 & MX-150THX; Rear: (2x)M&K V-75's
ULF- Bk LFE(4x) & Advance + Aura shakers(2x) + Mini-riser BOSS(8x12" JBL's)
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post #2550 of 3686 Old 05-29-2019, 12:30 PM
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The Crown has an option for limiter, the operation manual I'm looking at on-line doesn't explain thoroughly. Maybe a phone call to technical support is in order.
That is most likely a clipping limiter, it will not prevent the drivers from bottoming out. The limiter in e.g. Behringer NX-D series let you set the maximum voltage output.
This is nice to have and not need to have features, but e.g. NX1000D is very cheap and should be able to drive a 4 driver BOSS without breaking a sweat.
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Last edited by eeyoreDK; 05-29-2019 at 12:42 PM.
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