curious on this new model. haven't seen much around about it
looks like it's based on the TDA7498E
was looking at potentially replacing a tp-22, didn't know if this was a lateral move
looks like it's based on the TDA7498E
was looking at potentially replacing a tp-22, didn't know if this was a lateral move
I do not know the Topping PA3. I know the TDA7498E chip and is has a fine sound but is not known as the best choice for high power (bridging) due to its tiny size. However, the PA3 is not taking the chip to its limits.
Some (perhaps partial) descriptions:
TOPPING PA3 TDA7498E Class D Amplifier 2x80W 4 Ohm Silver - Audiophonics
Inexpensive mini-amplifiers: Discussion of power ratings and distortion | Audio Science Review (ASR) Forum
Note: "...is on the way to me in Panama. The PA3 normally sells for $105 on Amazon, but I was able to buy one for $84 on a "one-day special" discount. Like the TP60, the PA3 also has an 80w rating, but uses an external "brick" style switching power supply. As you will see from the below response I got from Topping, the design is apparently is not as "robust" as that of the TP60. It seems that at 4Ω, the PA3 will overheat and cannot operate continously at 1% or less THD & noise, the generally accepted minimum distortion level to qualify as a "high fidelity" amplifier."
Some (perhaps partial) descriptions:
TOPPING PA3 TDA7498E Class D Amplifier 2x80W 4 Ohm Silver - Audiophonics
Inexpensive mini-amplifiers: Discussion of power ratings and distortion | Audio Science Review (ASR) Forum
Note: "...is on the way to me in Panama. The PA3 normally sells for $105 on Amazon, but I was able to buy one for $84 on a "one-day special" discount. Like the TP60, the PA3 also has an 80w rating, but uses an external "brick" style switching power supply. As you will see from the below response I got from Topping, the design is apparently is not as "robust" as that of the TP60. It seems that at 4Ω, the PA3 will overheat and cannot operate continously at 1% or less THD & noise, the generally accepted minimum distortion level to qualify as a "high fidelity" amplifier."
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