JBL M644 quad gate

[SMKSoundPro]

Dear Friends,

I am working on a M644 quad gate and am need of a ssm2120 dua channel vca. Apparently obsolete. Can anyone help?

Scotty.

[grumpy]

Try analog synth repair shops... place that I know used to have them is out
of that particular SSM chip. :dont-know

[SMKSoundPro]

Grumpy,

Thank you for the reply.

I found the problem. LM353m bad in supply line.

Now all 4 channels work.

Thank you very much for the reply!

Scott.

[grumpy]

Glad to hear it :)