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In Reply to: RE: Sony XA5400es differing load impedances posted by ahendler on February 9, 2014 at 18:53:33:
how does the circuit work to get from 10K at the RCA jacks down to 600R at the XLRs? In the SCD1, Sony used a buffer to derive the balanced output from a single-ended audio section. IOW, they took the inherently balanced output from their decoding chip, converted it to SE in the audio board, and then re-derived the balanced output after the buffer. This may be why many remarked that the SE outputs sounded better than the balanced outputs. Last week I speculated that perhaps Sony is doing the same thing in the XA5400ES, but no one "in the know" commented. So I still don't know what's going on. Just because it's "balanced" does not necessarily create a 600R output Z. Has anyone got a schematic?
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Follow Ups
- But the question is.... - Lew 18:05:30 02/10/14 (8)
- Found the schematic - Lew 11:55:50 02/12/14 (7)
- RE: Found the schematic - Mali 11:56:29 02/14/14 (6)
- As you can see above, I did just now read it. - Lew 10:30:23 02/17/14 (5)
- RE: As you can see above, I did just now read it. - Mali 11:51:43 02/17/14 (4)
- RE: As you can see above, I did just now read it. - Disbeliever 09:29:24 02/22/14 (2)
- RE: As you can see above, I did just now read it. - Mali 11:22:23 02/22/14 (1)
- RE: As you can see above, I did just now read it. - Disbeliever 23:15:27 02/22/14 (0)
- Bill is ALWAYS the guy to ask - Lew 14:56:44 02/17/14 (0)
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