Author Topic: SSM version  (Read 4173 times)

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Offline fantast

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SSM version
« on: November 13, 2012, 06:56:24 PM »
Hi,

just wondering if anybody has finalized the SSM2210 Version of the Phono Board.
In the P.-A. notes there are some hints about changing R25, R31 and C7 (any experience about that?).
I assume it is not necessary to change  R17, R19, R21, R23 as we will now have only one SSM in place and that should get the complete 1,45mA (or is this to much)?

Any other changes, not reported on in the P.-A. documents?

Many regards
Claus

Offline peranders

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Re: SSM version
« Reply #1 on: November 13, 2012, 07:34:47 PM »
You should go for one pair of SSM2210/2220 and the emitter resistor should be 15K/4 to preserve the collector current. I know that at least one of my customers has used SSM2210/20 with excellent results and only by replacing the BC's and keep the collector current.
/Per-Anders Sjöström, owner of this forum

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Offline fantast

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Re: SSM version
« Reply #2 on: November 13, 2012, 07:37:28 PM »
Thanks P.-A. So that's gonna work without modifying R25, R31 and C7.