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In Reply to: Volume levels w/ Sony Reciever posted by LikeWhatG? on January 22, 2003 at 07:00:15:
He has an Aiwa a/v receiver. The volume from the built-in tuner and the digital inputs (S/PDIF toslink or 75 ohm coax) seems to have lots of "gain." The SPLs are very filling with the volume on 15 out out of 30 max. With those, 20 out of 30 will knock you on your ass. :-). With his DVD player, VCR, or TV outputs, it seems like you have to crank the thing to 22 out of 30, before you get any decent SPLs. Normally he'll watch movies on 25 0r 28 out of 30. This is with either the DVD hooked directly up to the receiver's analog inputs, or thru the TV. When the DVD player is hooked up via S/PDIF, you get the high SPLs noted above (20 out of 30 being louder than loud).I wonder if this is the 'AGC' input level, in the VCR world. could it be the VCR and TV like to only output 1V max? That would account for the reduced "gain" compared to a 2V capable CD player, no? Maybe this Apex DVD player of his has this "reduced gain" as well?
For kicks I brought my DVD player (Panasonic DVD-RP82) over. We had plenty of SPLs with the receiver on low volume. I don't think the problem is the receiver, at least in my brother's case. We also plugged the analog audio outputs of the Apex DVD player into the TV. You had the crank his Philips TV to 50 out of 50 just so dialogue is clear (and no, it wasn't blasting at that point). We tried it with my DVD player directly into his TV set, and the same SPL was generated at about 25 out of 50.
And ,yes, he does have reduced SPLs when running in full surround (5.1) mode as opposed to only 2CH stereo. But that is only a little slight. But what I'm describing is a much bigger differnce than just the amplifier drain on 5 channels driven. The difference is big, and you notice it in stereo and surround modes.
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Follow Ups
- Re: my brother has a similar problem ... - Aroc 12:23:09 01/22/03 (0)
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