TSSA V1.6 docs and buyers list

[Salas]

Alas, that's an amp version with an extra driver not the V1.6 boards so not for us to try, yes?

[Samuel Jayaraj]

Originally Posted by Salas

Alas, that's an amp version with an extra driver not the V1.6 boards so not for us to try, yes?

No, it won't be an extra driver but an extra output pair OR changing the existing output pair to double die devices, ie., 16 Amp, 250 Watt devices. The unequal Gate resistors are in view of unequal Gate capacitance between and the N and P channel L-Mosfets.

Sonnya, sorry I did not refer to the schematic but assumed that there were Gate resistors like always. Anyway my comments were only to find a way of improving the Bass performance of your excellent amp. As an added bonus, it should cope better with difficult speaker loads.

[Salas]

Meaning the existing driver on the standard PCB its good news then, thanks.

[mikelm]

Originally Posted by sonnya

It will give you more control in the bass section in my opinion, but they are also twice as expensive as ECX10N20 and ECX10P20.

upwards i do not see a lot of differences...

Well i have only conducted the test myself and my wife have listened too...

Hi Sonny,

I feel inclined to buy the ALF16N & 16P mosfets but can I just confirm that you have actually tried them and they sound good & work well.

thanks

mike

[sonnya]

Hi Mike.

Right now i have ECW20N20-Z and ECW20P20-Z in my system. Just have to be a bit more carefull turning up bias.

I have also tested ALF16N16W and ALF16P16W.

You can also use: ALF16N20W and ALF16P20W


But remember to turn R22 CCW 15 turns before power up and after powerup turn it slowly CW until there is 50mV across R30 or R31.

Wait for 10 minutes and adjust for 50mV again. The extra circuit i have built onto the TSSA to get it behaving will slow increase its current until the temperature has stabalized. Tje idle current will fall slowly until the system temperature stabalizes.
It will not make thermal runaway.....

[sonnya]

Ok, AMP is gone touring the next 14 days.

[Siberia]

Originally Posted by Salas

There is VT200 Mark I in a good friend's system with Harbeth SHL5s

I would love to hear about TSSA with Harbeths match when you try it.

[Charcoal]

Pls, advise what is the:
output Z,
damping factor ?

[sonnya]

Output impedance with ECX10P20 and ECX10N20 is 0.55Ohm. => Damping factor at 8Ohm is 14,5

with ECW20N20-Z and ECW20P20-Z , ALF16N16W and ALF16P16W and ALF16N20W and ALF16P20W: Damping factor is 24.

[mikelm]

Sonny,

I never use electrolytic caps usually in the signal path or feedback - so don't know anything about choosing a good one - can you recommend a good one from this list ?

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I was thinking Panasonic FC - heard they sound OK ?