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Forum: Audio Theory, Setup, and Chat   12-18-2014, 09:27 AM
Replies: 20
Views: 329
Posted By JHAz
FWIW, AFAIK, the basic answer is that there's not...

FWIW, AFAIK, the basic answer is that there's not a crossover available for the LFE channel. I don't happen to notice localization with my sub but it's on the front wall about a third of the way...
Forum: Receivers, Amps, and Processors   12-16-2014, 04:27 PM
Replies: 90
Views: 1,602
Posted By JHAz
The thing about speaker power compression is that...

The thing about speaker power compression is that the amplifier cannot see or feel or smell or taste it. So if my speakers hit 95 dB at 10 watts but have 3 dB of compression at 105 dB, they need 200...
Forum: Audio Theory, Setup, and Chat   12-12-2014, 04:22 PM
Replies: 50
Views: 870
Posted By JHAz
Got a point? Possibly vinyl inaccuracies and...

Got a point?
Possibly vinyl inaccuracies and noise force a different kind of listening. Certainly the utter impossibility of reproducing loudness war ruined music on vinyl
opens up the...
Forum: Receivers, Amps, and Processors   12-12-2014, 02:51 PM
Replies: 5
Views: 54
Posted By JHAz
Generally hiss, at least as I think of it, should...

Generally hiss, at least as I think of it, should be filtered out by the low pass to the sub, presumably fromvthe main receiver's basd managrment. What is your sub crosdover frequency? But if the...
Forum: Audio Theory, Setup, and Chat   12-12-2014, 10:48 AM
Replies: 8
Views: 116
Posted By JHAz
come on into the late 20th century. Has to be...

come on into the late 20th century. Has to be nearly 20 years ago that even Stereophile noted that the best of tubes and the best of SS were converging. Surely there are inaccurate tube amps still...
Forum: Receivers, Amps, and Processors   12-10-2014, 03:41 PM
Replies: 39
Views: 538
Posted By JHAz
The amp makes sense if you need it. An accurate...

The amp makes sense if you need it. An accurate amp that can output the power you need, whether its in a receiver or an outboard amp will be indistinguishable from another outboard amp once the...
Forum: Subwoofers, Bass, and Transducers   12-08-2014, 08:40 AM
Replies: 14
Views: 366
Posted By JHAz
FWIW, I ended up strongly suspecting that my...

FWIW, I ended up strongly suspecting that my "directional" corner sub issues related to resonance(s) in the adjacent window, walls, or something. Getting it out of the corner was the easiest fix.
Forum: Subwoofers, Bass, and Transducers   12-04-2014, 12:29 PM
Replies: 34
Views: 689
Posted By JHAz
AIUI, no home sized room will allow ideal...

AIUI, no home sized room will allow ideal frequency response even at a single location (every dimension would need to exceed the wavelength of the lowest relevant note, so to avoid room induced...
Forum: Audio Theory, Setup, and Chat   12-04-2014, 12:08 PM
Replies: 16
Views: 141
Posted By JHAz
+1 to all. the phono cartridge output also...

+1 to all. the phono cartridge output also absolutely must have the RIAA EQ curve applied to it, or it'll sound really wimpy (that's part of what the phono input does). The whole RIAA thing is...
Forum: Receivers, Amps, and Processors   12-03-2014, 01:07 PM
Replies: 36
Views: 450
Posted By JHAz
To beat the horse I usually beat, regardless of...

To beat the horse I usually beat, regardless of whatever anybody says based on subjective imaginings, the additional power that you don't actually use does not change how the speaker acts. IOW, 10...
Forum: Receivers, Amps, and Processors   12-03-2014, 01:00 PM
Replies: 36
Views: 450
Posted By JHAz
Yep. Because highly efficient speakers are...

Yep. Because highly efficient speakers are typically a little less than 3% efficient, which is not a flattering spec to publish . . . . And marketing controls what's published. Also, probably, on...
Forum: Receivers, Amps, and Processors   12-03-2014, 12:58 PM
Replies: 36
Views: 450
Posted By JHAz
duplicate, sorry

duplicate, sorry
Forum: Audio Theory, Setup, and Chat   12-03-2014, 12:46 PM
Replies: 59
Views: 869
Posted By JHAz
how come I can't see zero, then, since it occurs...

how come I can't see zero, then, since it occurs exactly as often as the peak? We don't hear either the zero or the peak as the sound level. They last, at most, in the audible band with a pure sine...
Forum: Audio Theory, Setup, and Chat   12-02-2014, 08:32 AM
Replies: 59
Views: 869
Posted By JHAz
The 85 dB is AFAIK, an RMS (or something like...

The 85 dB is AFAIK, an RMS (or something like RMS) average of the sound. It's surely not the measurement of the very peaks of the wave. (AFAIK, no meter is fast enough to measure a "peak" lasting...
Forum: Subwoofers, Bass, and Transducers   11-26-2014, 03:57 PM
Replies: 15
Views: 853
Posted By JHAz
In this case the compression is part and parcel...

In this case the compression is part and parcel of THD. If it is not audibly distorted it is unlikely to be dynamically restricted by the preamp. Its one of the great things about really pushing an...
Forum: Audio Theory, Setup, and Chat   11-26-2014, 03:45 PM
Replies: 10
Views: 217
Posted By JHAz
I have heard some pretty good sounding soundbars...

I have heard some pretty good sounding soundbars but all are midrange focused if you turn up at all, IME. I would rather get fuller range sound and crank up the center a bit if you don't like the...
Forum: Audio Theory, Setup, and Chat   11-26-2014, 03:41 PM
Replies: 9
Views: 172
Posted By JHAz
No! Stop now! Didn't you see Ghostbusters? The...

No! Stop now! Didn't you see Ghostbusters? The giant marshmallow dude will be stomping down the street monentarily!

Okay not really. The sun won't even go supernova or anything. 'S cool
Forum: Audio Theory, Setup, and Chat   11-26-2014, 03:34 PM
Replies: 42
Views: 769
Posted By JHAz
Iow the preamp cannot feel or smell or taste that...

Iow the preamp cannot feel or smell or taste that it is feeding separate amps or that those amps are separately connected to high pass and low pass filters. it can only output what appears at its...
Forum: Audio Theory, Setup, and Chat   11-26-2014, 03:31 PM
Replies: 42
Views: 769
Posted By JHAz
With passive biamping the same signal goes to...

With passive biamping the same signal goes to whichever amps are on, say, the left side, whether the signal travels an inch and a half inside the receiver or half a meter through cables to an...
Forum: Receivers, Amps, and Processors   11-26-2014, 01:22 PM
Replies: 16
Views: 243
Posted By JHAz
Blasphemy! Wait, maybe I'm thinking of some...

Blasphemy!

Wait, maybe I'm thinking of some other site.

While, obviously, DACs do some processing, the should (and these days generally do) simply convert the incoming digital signal into an...
Forum: Audio Theory, Setup, and Chat   11-26-2014, 01:02 PM
Replies: 42
Views: 769
Posted By JHAz
not that it matters, but AIUI, the horizontal and...

not that it matters, but AIUI, the horizontal and vertical biamping concepts are irrelevant to receivers. ONe uses tww channels of a single stereo amp to power the woofer and tweeter separately. ...
Forum: Audio Theory, Setup, and Chat   11-26-2014, 12:52 PM
Replies: 6
Views: 178
Posted By JHAz
assuming you mean 2EQ, or actually either way,...

assuming you mean 2EQ, or actually either way, AIUI, the Audyssey system is scalable and would work at any sampling rate and bit depth if the receiver has the processing power to do the math for the...
Forum: Receivers, Amps, and Processors   11-24-2014, 04:13 PM
Replies: 1
Views: 70
Posted By JHAz
If you don't have audible distortion, biamping...

If you don't have audible distortion, biamping will make no difference, simply becsuse more insudiblevis not less audible than inaudible. Biamping won't come close to doubling effective available...
Forum: Receivers, Amps, and Processors   11-24-2014, 09:59 AM
Replies: 12
Views: 279
Posted By JHAz
are you using analog inputs? AFAIK no receiver...

are you using analog inputs? AFAIK no receiver has a built in flexible analog crossover (more or less like this http://www.rane.com/ac22s.html or this...
Forum: Audio Theory, Setup, and Chat   11-24-2014, 08:39 AM
Replies: 10
Views: 251
Posted By JHAz
It's the mix, almost certainly, so you're stuck...

It's the mix, almost certainly, so you're stuck with it. I know some movies (and at least one episode of HBO's The Pacific) sometimes intentionally mix dialog low so it is intentionally hard to...
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