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Forum: Speakers   12-19-2014, 02:20 PM
Replies: 3,922
Views: 463,141
Posted By DonH50
ross: 1. The polarity depends upon the...

ross:

1. The polarity depends upon the crossover configuration and panel connections. I'd follow Magnepan unless you can measure time response and confirm a better way. The effect of mismatched...
Forum: Subwoofers, Bass, and Transducers   12-17-2014, 10:02 PM
Replies: 17,214
Views: 1,341,652
Posted By DonH50
NP. And I wasn't clear -- I designed it for organ...

NP. And I wasn't clear -- I designed it for organ and orchestra, but found the extended low end benefitted jazz and other music as well, a (happy) surprise.

Moving up to the present, you can have...
Forum: Subwoofers, Bass, and Transducers   12-17-2014, 09:42 PM
Replies: 17,214
Views: 1,341,652
Posted By DonH50
This is one of the very few times I disagree with...

This is one of the very few times I disagree with Enrico (note the date). My first real sub was a servo design of my own (ironically similar to the Rythmik patent, if I'd only known -- but Brian has...
Forum: Speakers   12-17-2014, 12:37 PM
Replies: 1
Views: 38
Posted By DonH50
Yes.

Yes.
Forum: Receivers, Amps, and Processors   12-17-2014, 12:20 PM
Replies: 4,533
Views: 484,779
Posted By DonH50
Note if you use room correction built into the...

Note if you use room correction built into the SC-37, and you should IMO, then you might as well use the HDMI output of the Oppo for audio as well. Then you can also try out some video music...
Forum: Receivers, Amps, and Processors   12-17-2014, 12:17 PM
Replies: 5,670
Views: 674,345
Posted By DonH50
Yup. I would EQ with the miniDSP first, dial...

Yup.

I would EQ with the miniDSP first, dial it in using Pioneer's Pure Direct mode, then run MCACC. MCACC has a limited set of filters so the idea is to take some of the "load" off the AVR and...
Forum: Receivers, Amps, and Processors   12-17-2014, 10:27 AM
Replies: 5,670
Views: 674,345
Posted By DonH50
Even if you lose phase compensation you can...

Even if you lose phase compensation you can improve the frequency response. You'll have to listen to decide what you like. I have tweaked MCACC to provide flatter frequency at the listening position...
Forum: Receivers, Amps, and Processors   12-16-2014, 09:45 PM
Replies: 5,670
Views: 674,345
Posted By DonH50
I don't have an SC-71 but check the owner's...

I don't have an SC-71 but check the owner's manual about manual MCACC and see what it says. I have not checked mine (SC-27) to see if that is one of the options.

Gaining headroom does not matter...
Forum: Receivers, Amps, and Processors   12-16-2014, 01:11 PM
Replies: 90
Views: 1,613
Posted By DonH50
Years ago I thought my speakers (Magnepan...

Years ago I thought my speakers (Magnepan MG-IIIa's) would handle anything I threw at them, and they would, for me. Then my toddler threw a ball at them... :)
Forum: Receivers, Amps, and Processors   12-16-2014, 01:07 PM
Replies: 17
Views: 253
Posted By DonH50
You could also put a full-length board or block...

You could also put a full-length board or block under the amp to extend the shelf. I'd still prefer to support the rear if possible.
Forum: Receivers, Amps, and Processors   12-16-2014, 01:00 PM
Replies: 90
Views: 1,613
Posted By DonH50
Got it, agreed. I would also assume distortion is...

Got it, agreed. I would also assume distortion is heading through the roof as the power compression region is entered. Your speaker may say it handles 1000 W peak but if that is 10 dB into...
Forum: Receivers, Amps, and Processors   12-16-2014, 12:52 PM
Replies: 5,670
Views: 674,345
Posted By DonH50
If you re-run MCACC's phase adjust routine it...

If you re-run MCACC's phase adjust routine it will compensate for the miniDSP and amplifier.

Hard to say if you would gain any benefit adding the amp. Check out an online calculator to see roughly...
Forum: Receivers, Amps, and Processors   12-16-2014, 12:42 PM
Replies: 90
Views: 1,613
Posted By DonH50
Power compression is speaker-dependent. And I am...

Power compression is speaker-dependent. And I am not sure adding a bunch of power beyond compression will help much?
Using the calculator referenced above, select "away from walls" to ignore the...
Forum: Receivers, Amps, and Processors   12-15-2014, 09:44 AM
Replies: 17
Views: 253
Posted By DonH50
I cut out the back of my console and used a stack...

I cut out the back of my console and used a stack of wood blocks (actually just a set of 2" x 4" stacked) to support the rear.

Although they would fit, I took the doors off to provide better...
Forum: Receivers, Amps, and Processors   12-13-2014, 07:56 AM
Replies: 60
Views: 1,449
Posted By DonH50
Yes, sorry for getting lazy whilst typing. ...

Yes, sorry for getting lazy whilst typing.

Agree with the rest, topic for a different thread. Oh, wait... ;)
Forum: Receivers, Amps, and Processors   12-13-2014, 07:52 AM
Replies: 8
Views: 79
Posted By DonH50
A power conditioner won't help if the line...

A power conditioner won't help if the line voltage is sagging enough to cause the DAC to drop out. I am surprised there are not other symptoms, like lights blinking/dimming or other audible...
Forum: Subwoofers, Bass, and Transducers   12-13-2014, 07:33 AM
Replies: 17,214
Views: 1,341,652
Posted By DonH50
Normally I would agree but in this case he put...

Normally I would agree but in this case he put the new subs in place of the old and feels less bass in the couch if I understand his post. Cancellation, maybe, but sub waves are very long and...
Forum: Speakers   12-12-2014, 05:01 PM
Replies: 11
Views: 178
Posted By DonH50
The Pioneer AVR the OP is using will send the...

The Pioneer AVR the OP is using will send the same signal out both amplifier outputs (there is no crossover before the amplifiers inside the chassis) thus there is essentially no benefit to...
Forum: Subwoofers, Bass, and Transducers   12-12-2014, 04:54 PM
Replies: 17,214
Views: 1,341,652
Posted By DonH50
Could be difference in coupling between down- and...

Could be difference in coupling between down- and front-firing subs.

Just keep all four. :cool:
Forum: Receivers, Amps, and Processors   12-12-2014, 01:21 PM
Replies: 39
Views: 541
Posted By DonH50
Yeah, never trust those EE's, what do they know...

Yeah, never trust those EE's, what do they know about sound? :) Don't tell the orchestra or band conductors I'm an EE, they'll never let me play again! One thinks I'm a professional musician, have...
Forum: Audio Theory, Setup, and Chat   12-12-2014, 12:44 PM
Replies: 10
Views: 147
Posted By DonH50
Note the subs, or at least one, needs a...

Note the subs, or at least one, needs a continuous phase/delay adjust knob to get them in phase at the listening position if they are not equidistant from the LP. Otherwise the difference in distance...
Forum: Speakers   12-11-2014, 05:41 PM
Replies: 1,119
Views: 80,034
Posted By DonH50
Should be fine. Krell was noted for being able to...

Should be fine. Krell was noted for being able to drive low-Z loads.
Forum: Receivers, Amps, and Processors   12-11-2014, 05:33 PM
Replies: 60
Views: 1,449
Posted By DonH50
The XLS series has been endlessly discussed and...

The XLS series has been endlessly discussed and should be fine. I like the XTi series a bit better but sonically you'd probably never tell.

Good to see you posting again, k' ! :)
Forum: Audio Theory, Setup, and Chat   12-10-2014, 06:01 PM
Replies: 7
Views: 110
Posted By DonH50
+1. Unless you're in marketing... For...

+1. Unless you're in marketing...

For starters you could simply run some on-line room mode calculators but irregular rooms with openings make their results suspect. I am guessing ComSol is not...
Forum: Audio Theory, Setup, and Chat   12-10-2014, 05:58 PM
Replies: 7
Views: 110
Posted By DonH50
Perhaps you could suggest some alternative...

Perhaps you could suggest some alternative solutions?
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