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Search: Posts Made By: PlasmaPZ80U
Forum: Audio Theory, Setup, and Chat   08-29-2015, 12:16 PM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
ordered on Amazon (via parts express)

ordered on Amazon (via parts express)
Forum: Receivers, Amps, and Processors   08-29-2015, 12:04 PM
Replies: 2,799
Views: 210,764
Posted By PlasmaPZ80U
have you engaged a DSP mode/surround decode mode?...

have you engaged a DSP mode/surround decode mode? make sure the AVR is in "Straight" mode
Forum: Audio Theory, Setup, and Chat   08-29-2015, 10:39 AM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
If your trying to protect your speakers during...

If your trying to protect your speakers during loud measuring, that is one thing. But if it is for listening, lets consider a few things.

Even if your speakers cant handle full power at low...
Forum: Audio Theory, Setup, and Chat   08-29-2015, 07:14 AM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
This? ...

This?

http://www.parts-express.com/harrison-labs-fmod-inline-crossover-pair-30-hz-high-pass-rca--266-248[/QUOTE]
Sounds good but do you know of any 25Hz versions with a steeper slope (more than...
Forum: Audio Theory, Setup, and Chat   08-28-2015, 05:22 PM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
The sweep starts an octave lower than the value...

The sweep starts an octave lower than the value you choose and ends an octave higher (or at the Nyquist frequency, whichever is lower).[/QUOTE]
Does that mean my sub is getting a 12.5Hz signal when...
Forum: Audio Theory, Setup, and Chat   08-28-2015, 05:18 PM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
You may want to start the sweep at 15Hz to make...

You may want to start the sweep at 15Hz to make sure your subs aren't getting signals they can't process. If you know they can go down to 25Hz and REW shows they're trying to output at 20Hz, then you...
Forum: Audio Theory, Setup, and Chat   08-28-2015, 01:26 PM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
Build them yourself. No special magic involved...

Build them yourself. No special magic involved building a capable sub. You should easily find suitable drivers in the DIY space.[/QUOTE]
I don't know enough about audio to make my own subs. Anyhow,...
Forum: Audio Theory, Setup, and Chat   08-28-2015, 09:18 AM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
I would get new sub(s) instead...

I would get new sub(s) instead http://www.avsforum.com//forum/images/smilies/smile.gif[/QUOTE]
If I could afford the kind of sub that goes 1-2 octaves lower without major distortion and with...
Forum: Audio Theory, Setup, and Chat   08-28-2015, 06:54 AM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
Well, now that I'm aware my sub is straining...

Well, now that I'm aware my sub is straining below 25Hz to produce any output, I don't see myself ever measuring below 25Hz with this sub again. No point in harming the sub just to show 10Hz lower.
Forum: Audio Theory, Setup, and Chat   08-28-2015, 06:52 AM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
I think the guide said 15Hz-300Hz for sub only...

I think the guide said 15Hz-300Hz for sub only too.
Forum: Audio Theory, Setup, and Chat   08-27-2015, 05:38 PM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
I think you pretty much answered your own...

I think you pretty much answered your own question. Doesn't make a lot sense to measure outside the limits of your equipment and in fact could lead to other issues.[/QUOTE]
Following the same...
Forum: Subwoofers, Bass, and Transducers   08-27-2015, 01:08 PM
Replies: 102
Views: 2,361
Posted By PlasmaPZ80U
Did some more sw distance tweaking after moving...

Did some more sw distance tweaking after moving sw closer to wall by 2 inches or so...

(green/before/10.0 feet and blue/after/8.2 feet)
Forum: Audio Theory, Setup, and Chat   08-27-2015, 10:30 AM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
So, 25Hz seems best then.

So, 25Hz seems best then.
Forum: Audio Theory, Setup, and Chat   08-27-2015, 10:15 AM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
I know Jerry‘s guide says the lower limit to all...

I know Jerry‘s guide says the lower limit to all measures should be 15Hz, but given my sub distorts greatly around there would it be easier on my sub if I set the lower limit for measures at 20Hz or...
Forum: Subwoofers, Bass, and Transducers   08-26-2015, 04:49 PM
Replies: 102
Views: 2,361
Posted By PlasmaPZ80U
Removed the cardboard drawers/cabinet thing to...

Removed the cardboard drawers/cabinet thing to open up the left side of the room even more...
Forum: Receivers, Amps, and Processors   08-26-2015, 12:54 PM
Replies: 61
Views: 1,321
Posted By PlasmaPZ80U
Good choice, 2 more years of warranty coverage...

Good choice, 2 more years of warranty coverage plus the second best version of Audyssey are two solid reasons to opt for it, even if you end up not needing the HDCP 2.2 support. If I was to buy an...
Forum: Audio Theory, Setup, and Chat   08-26-2015, 12:25 PM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
Is the MiniDSP unbalanced? If so, the sub might...

Is the MiniDSP unbalanced? If so, the sub might not be getting enough power from the MiniDSP at it's current sub gain knob position (on sub). Also, you may have to configure the MiniDSP input voltage...
Forum: Receivers, Amps, and Processors   08-26-2015, 10:32 AM
Replies: 61
Views: 1,321
Posted By PlasmaPZ80U
I'd rather get more than I need than less, to...

I'd rather get more than I need than less, to avoid buyers remorse and the need to buy another avr in a few years should you find HDCP 2.2 support important.

Some will say only get what you're...
Forum: Audio Theory, Setup, and Chat   08-26-2015, 06:52 AM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
If it's below 300hz, no smoothing. But if the...

If it's below 300hz, no smoothing. But if the response has large swings in magnitude, you may be better served by applying some smoothing. Depends on how adapt you are at reading the useful...
Forum: Audio Theory, Setup, and Chat   08-25-2015, 02:31 PM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
However, this brings up a question about using...

However, this brings up a question about using the measurements to optimize speaker placement or sub placement or for the sw distance tweak. For those measurements, (especially in the 15Hz to 300Hz...
Forum: Audio Theory, Setup, and Chat   08-25-2015, 02:27 PM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
Good to know. I was looking up Q and from...

Good to know.

I was looking up Q and from what I read Q and bandwidth are inversely related so a high Q is narrow bandwidth and a low Q is wide bandwidth. Since I'm not currently using the REW...
Forum: Subwoofers, Bass, and Transducers   08-25-2015, 12:09 PM
Replies: 102
Views: 2,361
Posted By PlasmaPZ80U
I thought I'd post some updated pics of speaker...

I thought I'd post some updated pics of speaker placement in case future discussion could benefit from it.
Forum: Subwoofers, Bass, and Transducers   08-24-2015, 03:19 PM
Replies: 102
Views: 2,361
Posted By PlasmaPZ80U
I'd prefer something much smaller and with a PC...

I'd prefer something much smaller and with a PC interface like MiniDSP. Of course, that's only if AVR auto or manual peq isn't up to snuff.
Forum: Subwoofers, Bass, and Transducers   08-24-2015, 01:17 PM
Replies: 102
Views: 2,361
Posted By PlasmaPZ80U
that's old school with actual knobs/switches

that's old school with actual knobs/switches
Forum: Audio Theory, Setup, and Chat   08-24-2015, 01:16 PM
Replies: 15,903
Views: 490,771
Posted By PlasmaPZ80U
For full range FR measurements, Psy seems better...

For full range FR measurements, Psy seems better than Var and ERB since it offers more detail than ERB for bass and more detail than Var for treble (and near matching detail as ERB for treble).
...
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