36 Watt finished !!

[stevesuk]

Fired up my 36 watt at last.

First attempt - 1 missing link.

Second attempt - Loud almost violent buzzing, not present on standby, low volume , but at least it works , sort of.

Had enough for today, back on it tomorrow.

Have an idea to take the 820K grid resistors off the valve base, used pin 1 as a terminal, it seemed to be much less violent without the two middle EL84s in. Bit of redplating as well, that will be the 120 ohm 5 watters I thought I would attempt to use. Replace those as well.

Used a 1650N Hammond OT which seems to be either a 4 or 8 ohm or 16 ohm only depending how it is wired ? never used a Hammond before.

I tried a choke temporarily wired in across the 32 + 32 cap, no difference.

Will try shields on the pre amp tubes, change the grid stoppers to terminals and generally poke about tomorrow. By the way it is based on a JA/Richie MV TMB. Digital Camera is also broken.

Steve UK