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Forum: Audio theory, Setup and Chat   08-26-2014, 08:20 AM
Replies: 15
Views: 284
Posted By arnyk
Here are two articles about center channel...

Here are two articles about center channel speaker design that I've found helpful:

http://www.audioholics.com/loudspeaker-design/center-channel-designs-1
...
Forum: Audio theory, Setup and Chat   08-26-2014, 07:31 AM
Replies: 15
Views: 284
Posted By arnyk
Not all center channel speakers are the same,...

Not all center channel speakers are the same, especially in terms of localization.

I don't see make and model of what you have, but if its one of those MTM-on-its side models that could be part of...
Forum: Speakers   08-26-2014, 01:46 AM
Replies: 11
Views: 216
Posted By arnyk
Yes.

Yes.
Forum: Speakers   08-25-2014, 02:12 PM
Replies: 12
Views: 537
Posted By arnyk
And since PC351 impedance curves seem to be a bit...

And since PC351 impedance curves seem to be a bit hard to find..

http://www.avsforum.com/forum/attachment.php?attachmentid=229289&d=1409001064

This is with the Vifa tweeter, but given the...
Forum: Speakers   08-25-2014, 12:30 PM
Replies: 22
Views: 500
Posted By arnyk
Cone area doesn't describe the bass dynamic range...

Cone area doesn't describe the bass dynamic range of a driver, you have to include Xmax.

Maximum possible Xmax tends to go up with the diameter of the cone.

So a 12" driver has about 250% the...
Forum: Speakers   08-25-2014, 12:11 PM
Replies: 12
Views: 537
Posted By arnyk
http://www.avsforum.com/forum/attachment.php?attac...

http://www.avsforum.com/forum/attachment.php?attachmentid=229153&d=1408993621


Frequency response of PC 351 with OX20SC00-04 replacement tweeter (not OT19NC000 as shown on illustration in error)
Forum: Receivers, Amps, and Processors   08-25-2014, 06:23 AM
Replies: 13
Views: 228
Posted By arnyk
At this time the tuner portion of a receiver is a...

At this time the tuner portion of a receiver is a fairly small shielded box that probably costs a few dollars to make, maximum. The miniaturization and decosting of AM and FM tuners has been pretty...
Forum: Audio theory, Setup and Chat   08-25-2014, 03:30 AM
Replies: 2
Views: 99
Posted By arnyk
I get not being able to implement 5.1 in a living...

I get not being able to implement 5.1 in a living room, but 5.1 isn't required for good reproduction of voices in most media. 3.0 done well will do the job. You are basically fighting the battle of...
Forum: 2 Channel Audio   08-25-2014, 03:23 AM
Replies: 12
Views: 523
Posted By arnyk
The worst thing about any connection like Apple...

The worst thing about any connection like Apple TV is the media that it plays.

I have the option of doing all of my watching and listening through a single box, a single digital path namely via ...
Forum: Speakers   08-25-2014, 02:54 AM
Replies: 11
Views: 216
Posted By arnyk
If you connect a truly balanced source via...

If you connect a truly balanced source via unbalanced connections and then upgrade to balanced connections you will obtain a non-trivial 6 dB boost in volume, all other things being equal.
Forum: Speakers   08-25-2014, 02:51 AM
Replies: 7
Views: 185
Posted By arnyk
Yes. The KEF Uni-q driver is a good idea whose...

Yes. The KEF Uni-q driver is a good idea whose time has always been here. I got into the Q series with a pair of Q15s purchased new in the late 1990s. The go in and out of my store room depending...
Forum: Audio theory, Setup and Chat   08-25-2014, 02:38 AM
Replies: 14
Views: 270
Posted By arnyk
Room correction systems that include a mic have...

Room correction systems that include a mic have no reason to calculate attenuation by means of estimates and approximations when they can simply measure it.
Forum: 2 Channel Audio   08-24-2014, 11:10 PM
Replies: 39
Views: 794
Posted By arnyk
I see technical error being stacked on top of...

I see technical error being stacked on top of other technical errors

First the bit depth fiasco, and now the conflation of data processed by an algorithm and the algorithm itself followed by...
Forum: Audio theory, Setup and Chat   08-24-2014, 10:31 PM
Replies: 5
Views: 246
Posted By arnyk
Trims are tools, and are there to make...

Trims are tools, and are there to make adjustments that you desire.

Audyssey and tools like it are not the be-all and end-all, they are just tools for our benefit and the humans are still supposed...
Forum: Receivers, Amps, and Processors   08-24-2014, 09:40 AM
Replies: 5
Views: 168
Posted By arnyk
If there is a Marantz that is similar to the...

If there is a Marantz that is similar to the Denon 4520ci ...

Denon and Marantz are made in the same factories and designed by the same engineering team.

If you search the web for images...
Forum: 2 Channel Audio   08-24-2014, 09:36 AM
Replies: 39
Views: 794
Posted By arnyk
Of course. Jitter needs to be below audible...

Of course. Jitter needs to be below audible levels. But is inaudible jitter a dream, or commonplace, or somewhere in-between?



The above statement seems to show a lack of understanding of the...
Forum: 2 Channel Audio   08-24-2014, 09:07 AM
Replies: 12
Views: 523
Posted By arnyk
Depends on how you hook it up to the rest of your...

Depends on how you hook it up to the rest of your system.

If you do it via a digital link (the smart way) then the converters are not an issue because the audio bypasses them.
Forum: Audio theory, Setup and Chat   08-24-2014, 06:57 AM
Replies: 13
Views: 220
Posted By arnyk
Since the difference between DVI and HDMI is only...

Since the difference between DVI and HDMI is only connector pin-out, I question any real visible difference that might be reported. The electrical interfaces are otherwise as alike as 2 peas in a...
Forum: Receivers, Amps, and Processors   08-24-2014, 06:38 AM
Replies: 14
Views: 229
Posted By arnyk
Bass has more important dimensions than just...

Bass has more important dimensions than just volume. Bass extension and integration with the upper range (L+R) speakers is at least as important.

Your Yamaha 377 has good bass management but...
Forum: Receivers, Amps, and Processors   08-24-2014, 06:33 AM
Replies: 21
Views: 357
Posted By arnyk
The Cool Components Dual Fan unit looks like a...

The Cool Components Dual Fan unit looks like a slick package, but I'm sorry to hear that it can be too noisy.

There are more effective approaches that are far quieter and move more air.

For...
Forum: Receivers, Amps, and Processors   08-24-2014, 06:17 AM
Replies: 21
Views: 357
Posted By arnyk
That is all very true. However AVRs as a rule do...

That is all very true. However AVRs as a rule do very well driving low impedance speakers with music. Usually their first mode of difficulty occurs if they shut down while playing very loudly. This...
Forum: Audio theory, Setup and Chat   08-24-2014, 06:06 AM
Replies: 8
Views: 268
Posted By arnyk
Nope that is OK. I forgot to mention them. If all...

Nope that is OK. I forgot to mention them. If all you hear is the clicks, then this segment gets a pass.




That is very good.



Your AVR appears to be working just fine as it is. People...
Forum: Audio theory, Setup and Chat   08-24-2014, 06:03 AM
Replies: 13
Views: 220
Posted By arnyk
Most of the better computer audio interfaces used...

Most of the better computer audio interfaces used by professionals either have XLR or TRS balanced connections, which are the creme de la creme of analog connectors with the XLR being more reliable...
Forum: Audio theory, Setup and Chat   08-24-2014, 05:58 AM
Replies: 13
Views: 220
Posted By arnyk
The above ignores the technical fact that a...

The above ignores the technical fact that a digital connection such as optical, coaxial and HDMI cannot add noise or distortion because they are wholly in the digital domain.

One big problem with...
Forum: 2 Channel Audio   08-24-2014, 05:51 AM
Replies: 18
Views: 426
Posted By arnyk
One major source of this is their much poorer...

One major source of this is their much poorer damping factor.

It's really not that much different than a bass boost control, but its not adjustable, and its not tailored to the room. Its pretty...
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