OK, you Tube Screamer aficionados....
There has long been a debate about which IC chip, a.k.a. "opamp", sounds best in the Tube Screamer and it's many clones and derivatives. Well, here's a chance to hear for yourself the difference between several different opamps and pick your favorite. Below is a link to an audio clip I recorded using my Zonkin' Yellow Screamer, in between my Strat and my Delta Blues amp. The clip starts with a clean run-through, followed by the same sequence played through six (6) different opamps.
Now, I'm not going to tell you what they are, other than to say they're all different and one of them is the JRC4558D that is the model used in the original TS-808. It's not a "NOS" chip, but from what I've read, that doesn't make much if any difference anyway.
Take a listen and vote for your favorite. And make any other editorial comments you wish, such as how they sound vs. each other, which one you like least, etc. Once everybody who is interested has had their shot, I'll tell you what/which the 6 are....
The clip is HERE.
*** EDIT 2/4 ***
Suppose I ought to give a few details on how things were set up for the recording. Recorded using my Strat on the bridge-middle-in-series pickup setting and tone settings at about 7.5. Delta Blues on the clean channel and the volume down low; B = 7, M = 10, T = 8, reverb = 7. The ZYS was set up as follows:
Gain Range - Normal
Bass Rolloff - 340 Hz (slight bass boost vs.TS stock)
Clipping Diodes - Silicon (TS stock, except asymmetric)
Level - 10:30 o'clock
Drive - 3 o'clock (~80%)
Tone - 12 o'clock
Amp was mic'ed into my sound card and recording/editing was done with Audacity.
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