Post by egay October 14, 2009 (1 of 27)
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Hello all - i'm wondering why some amplifiers SPECIFICALLY mentions that theirs are spec'd for SACD - can anyone please clarify & educate me on this?
I have one amp that recently had a problem, but of course it cannot be immediately attributed due to the SACD/MCD201 - however i heard one tech mentioned that the amp may not be 'compatible'... it sounds ridiculous, but hey, i'm no techy.
Please?
egay
.e.
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Any decent Class A/B amplifier should be capable of playing WHATEVER is cast its way. The newer Class D amplifiers which trade a much smaller chassis for high wattage output are getting better but still cannot achieve the liquid goosebumpy, seductive highs of Class A/B amps. But I NEVER heard of an SACD compatible amp. DSD compatible is a different breed but would not refer to the amp but rather the output capability of the SACD player which sometimes outputs DSD via PCM. Are you sure you didn't confuse these issues? Some pre-amps and amps and especially speaker cable and interconnects may have compatibility issues and may take time and patience to sort out and some crafty manufacturers INSIST that you purchase their respective components, exclusively, for absolute compatibility but that would involve the assistance of a local HiFi Dealer to sort this out by allowing you to "experiment" with different brands until you are satisfied.
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egay said:
Hello all - i'm wondering why some amplifiers SPECIFICALLY mentions that theirs are spec'd for SACD - can anyone please clarify & educate me on this?
Perhaps it means that these amplifiers are capable of reproducing the higher-frequencies (above 20kHz) that many SACD discs and players can support, but which CD players and CDs cannot support.
We might not be able to hear such frequencies directly, but if that's how the sound exists 'au naturel', then presumably that's the natural way to reproduce it too.
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egay said:
Hello all - i'm wondering why some amplifiers SPECIFICALLY mentions that theirs are spec'd for SACD - can anyone please clarify & educate me on this?
I have one amp that recently had a problem, but of course it cannot be immediately attributed due to the SACD/MCD201 - however i heard one tech mentioned that the amp may not be 'compatible'... it sounds ridiculous, but hey, i'm no techy.
Please?
egay
.e.
Dear audio friend,
I see in your profile your power amp are very good. So this repair man may do not know what he is talking about your amplifier, or other no good reason etc.
In this case I could give my defective amp to another technician to fix up. A integrated or power amp compatible with a CD or DVD or SACD do not exist, because all amps are compatible.
However if your SACD player have a output filter with a higher treble extension beyond 20khz(like mine Sony SCD-1) distortion may occour with some kinds of tweeter/amps set,
if this optional filter is used, but I think a defect could hardly happen, unless you listen in hi sound pressure level.
Regards
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Post by emaidel October 15, 2009 (5 of 27)
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"Spec'd for SACD" reminds me of another ploy the industry pulled: "Digital-Ready." While initially intended to indicate that a component (primarily loudspeakers) was capable of the then newly-increased dynamic range that CD's offered (but often failed to deliver) over LP's, the term degenerated only into an indication that the speaker was an efficient speaker and nothing more. It was amazing how much outright junk was labeled "digital-ready." I hope that's not the direction this newest phrase winds up taking.
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Dear Egay,
Just as a ilustrative, I will tell a real history happen to me already 3 times:
I already damage my equips just for listen the redbook CD: Dig It (Klaus Schulze, Brain 811632-2, barcode 04228116322) in hi SPL,
first time was a output transistor in the power amp, second time was a other transistor, third time was a diode in the preamp.
The reason is this wonderful music are entire played with eletronics keyborads simulating piano solos etc, and have a strong content of mid/hi freq square waves and this square waves heat up
certain cheap parts that do not resist and fail.........The first track is a warning: The Death of an Analogue...
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emaidel said:
"Spec'd for SACD" reminds me of another ploy the industry pulled: "Digital-Ready." While initially intended to indicate that a component (primarily loudspeakers) was capable of the then newly-increased dynamic range that CD's offered (but often failed to deliver) over LP's, the term degenerated only into an indication that the speaker was an efficient speaker and nothing more. It was amazing how much outright junk was labeled "digital-ready." I hope that's not the direction this newest phrase winds up taking.
Various great music labels inclusive DeutscheGrammophom, Telarc, CBS, EMI etc stamped on your CD covers a bold phrase ''Digital Recording'' or Numerique for a 16bits/44 rude master tape recorded on the multi track refrigerator Sony PCM-1610 or the 14bits DAC Sony PCM-F1 recorded in a VHS tape.
Ah, how many crap we already buy Emaidel!!............SONY PCM-3324S pictured.
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Post by krisjan October 15, 2009 (8 of 27)
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Back when the Sony SCD-1/777 players came out (I used to own the SCD-777), there was a switch on the back of the player that allowed the user to select "Normal" versus "Custom" (if I recall rightly). The user manual warned that selecting "Custom" would allow all the ultrasonic content that MAY be on an SACD (up to 100 kHz) to pass to the preamp/amp and that some amps might expereince unstable behavior when ultrasonic frequencies are present. Hence, the units were shipped set to Normal (which is essentially a filter) and the user had to actually remove a screw to allow the "Custom": setting on the unit. I always ran my 777 on custom and never had any issues with the few amps that were in my system during the time I had the 777. Nevertheless, this is the reason that some amps might advertise they are "SACD-ready" - they won't misbehave when ultrasonics are present.
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krisjan said:
I always ran my 777 on custom and never had any issues with the few amps that were in my system during the time I had the 777. Nevertheless, this is the reason that some amps might advertise they are "SACD-ready" - they won't misbehave when ultrasonics are present.
Right. FWIW, I have always run the full output range on SACD players beginning with the Philips SACD1000 to the present and have never had any consequent problems with any amplifier I have ever owned or tested.
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Well remembered! I will remove the screw to use the Custom filter output on my SCD-1. AS the regular CD performance is not affected.
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