Well, there’s a funny thing. I switched it on (still no bang), the little light on the front shone brightly and the valves slowly built up a nice amber glow. Plugged a guitar in, and a speaker cab,…   Read more»

8.  The trickier bit.  Wiring in the front panel controls.  Doing this when the board is already full of components, and mounted in the chassis, means poking a soldering iron around in some fairly tight spaces, trying not to dislodge…   Read more»

5.  Now let’s plug it in and wait for the bang.

(there was no bang, so there’s more to come …)   6.  In the absence of bangs, keep on with the right bits, right places, right way round…   Read more»

That was where we started, a few days ago.  Since when I’ve been busy, wielding a hot soldering iron (when I remember to switch it on) and inhaling those lovely solder fumes … 1.  Bare Chassis.

  2.  Chassis…   Read more»