Ross Compressor Part Substitution

[JB]

I'm using Phillip Bryant's modified layout from Fuzzcentral for my Ross compressor, but I only have
3 5088's for the op amps. I have some 3094's also, but I'm wondering what the most appropriate
place to use them is as I'm told they are noisier.

Any help would be much appreciated.

Cheers,

James

[octafish]

Ok, those are transistors, I'd buy some more 5088s or some BC459s. Use sockets for transistors and then you can just swap then round till you find a combo you like. The opamp is a IC (intergrated circuit) and the on your using isn't just an (op)erational (amp)lifier, its an OTA  an Operational Transconductance Amplifier. Cool circuit, you using a switch or pot for the attack/recovery?  The switch works fine for what I use it for.

[JB]

Thanks for clearing that up.

I'm using a switch for the recovery mod too.

Cheers,
James

[Mark Hammer]

What's in a number?

2N3904's are garden variety ("classic") NPN transistors.  CA3094's arehard-to-find transconductance amplifiers, used in the old Small Stone phaser, and countless other Electro-Harmonix pedals.