Wayne, I noticed you specify a much higher storage capacity SLA for your Tripath project than Vinnies...4.4 vs. 1.3 aH. Would not your larger storage SLA have greater and deeper long and short term capability (dynamic peaks) and, thus, affect sound most positively?
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TCG,
I have experimented with a 7Ah SLA and with the Clari-T amp have found that there is no difference in sound quality between 1.3Ah or a larger battery.
IMO, for dynamics, it is much more important to have a short, low resistive and inductive path to the power pins of the Tripath chip, and to have storage capacitors as close to the power pins of the chip as possible. This is why I wire both the 12V line, filter capacitors, and bypass capacitors directly to the input power pins of the Tripath chip. It is very tedious and time consuming soldering work, but the result speaks for itself
The 1.3Ah provides all the needed power for the Tripath 2024 chip. Using a larger battery lets you play for a longer time before recharging.
Happy New Year!
Vinnie