Search results

Purchased a fuse-blowing Mark IIb on Facebook about 2 years ago. Quickly determined it had a blown power transformer. Here's how it looked before: Since Mesa doesn't sell the PTs any longer, I went with this one which had the closest specs. http://www.classictone.net/40-18042.pdf...

Hi all, I recently got some time to work on my '81 Mark IIB (no EQ) again. When I got it, it was blowing fuses. I replaced the Power Transformer with what Mesa recommended, a ClassicTone 40-18042. (http://www.classictone.net/40-18042.pdf) Replaced the tubes Replaced the Capacitors with...

I bought a nonworking Mark IIB that was blowing fuses. Immediately determined the PT was bad, replaced with a Mercury 80142 recommended by Mesa. 1. Powered on (with Variac) power on and amp produced sound, but it was sounding very poor sounding, sound was scratchy, harsh, would oscillate, and...

Picked up a very clean looking Mark IIb on Facebook Marketplace. Previous owner said it was blowing fuses and he let it go for $200. Serial is 6414, confirming the model. There is magic marker build date on the chassis saying 1981. I talked with a local amp shop technician. He wouldn't take...