Gates SA39 mod
Gates SA39 mod showing inside post mod
This pic shows the inside of the Gates SA39 post mod. 600 ohm output attenuator can be seen on right (blue) and release time switch moved to front panel. Headphone jack and original gain pot are wrapped in plastic bags, thus still there should there be any reason to revert.
Gates SA39 mod showing stock output pad bypassed
This pic shows the stock output pad of the Gates SA39 bypassed. The red and black wires curling up to top of pic had formerly been connected to the rear panel output terminals.
Gates SA39 mod showing 600 ohm output attenuator
A 600 ohm attenuator is fitted in place of the original output level pot
Gates SA39 mod showing rear where recovery time switch had been
Original location of the recovery time switch had been on the rear, just under the large power transformer. (some glue residue can be seen where the switch nameplate has been removed). This switch is moved to the front panel, fitted in place of the headphone jack.