The venerable SB-220 with the cover
As you can see, this lived with a smoker and was quite filthy.
A look down into the top shows stains, gunk, rust and
A peek into the bottom shows promise.
Beginning the complete
The tube sockets, I scrubbed the one on the right to show the
You can see how bad the chassis
The main chassis, completely stripped down.
The faceplate, stripped and ready for a good
The original build sticker, 12 Nov 86, svc # 22-31768.
Top: Original Metering Board. Below: New Metering Board I
Back of the new Metering Board. I strive to be a very precise
The Soft-Key module I built will allow modern rigs to safely key the amp.
This is the Soft-Start module I built to keep startup inrush voltages out.
Chassis cleaned and the RF area painted. New grommets
The faceplate and meters, cleaned and ready for assembly.
The back of the faceplate, re-assembled and meter upgrades in place.
Beginning assembly work on the underside of the chassis.
Close up of the terminal strip rebuilds. I am replacing the old
I am also replacing the old carbon resistors with metal film type.
Close up of the completed, re-built strip
New vs Old. On the left, .01uf 2KV cap (New) on the right, .01uf 1.5KV
Close up of rebuilt socket assembly with new
Sockets in, some wiring in.