I’ve been using the Source Audio EQ2 for a couple years. I configure the stereo inputs/ outputs from the EQ2 into a dual mono setup so I can use it as a pre-EQ in front of the amp and a post-EQ in the effects loop. Each band of the EQ is completely customizable, it has a built in noise gate...
SP5678 here…mine has what looks like the initials JN and 4/15/91 written in black marker on the circuit board…assuming that is the build date that could help in dating yours. The Mesa date my amp site isn’t very helpful with the Studio Pre manufacturing dates as you pointed out.
I can’t answer...
Good point...mine is a Klone actually...BYOC Silver Pony 2 which adds some cool switchable options to the original circuit...there are other really good ones I'm sure.
Have you tried a Klon in front of a Mark series amp? Until I did I never really got the Klon hype honestly. The Klon on gain settings varying between 9 o’clock to around 3 o’clock on the lead channel of my Studio Pre/ 50-50 setup sounds phenomenal. It takes everything great about the amp and...
Ok check out these pics…the one shows your culprit cable with both ends marked with red highlighter. The other is the best closeup I have of the landing point.
Hopefully you were able to test this out and grab it…that’s a great deal based on the prices I’m seeing, assuming it’s in good working condition. Do you have a power amp to pair it with?