feed back circuit for SB 104A

[John King]

Hello again:

I noticed that RF Parts advertises for sale a feedback circuit for the
final transistors of the SB 104A. I am about to put a matched Quad in the
final amp of the SB 104A I have. RF Parts says in catalog that the feed
back circuit they have is "the circuit that was left out of the SB104A".

Do any of you know anything about this "feedback circuit" ? What does it
do? Does it protect these four expensive transistors? Have you installed
one? Do you recommend that such a circuit be installed? I would appreciate
it if you would share your thoughts about this with me. Thanks and 73,
John, K5PGW

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