Saturday, 8 August 2009

What's Inside - Part 1


With the back removed, the internal components can be seen. At the top, the rear of the manuals (keyboards) wiring, and in the centre the vibrato line box.

The middle covered section contains the tonewheel generator.

The lower section contains the main amplifier (left), the spring reverb unit (right) and behind the spring reverb is the reverb amplifier.

The back of the three speakers can be seen in the lower section, the two large main speakers and the smaller 8 inch reverb speaker on the left.

I have replaced the mains lead (bottom left corner), since the old one was cracked and dangerous. This is not particularly difficult but does involve soldering the wires. Don't attempt this yourself unless you are practiced at soldering and understand the dangers involved with mains wiring. These organs contain mains voltages, easily enough to kill you. They can also store a significant charge for hours or days after being switched off, so don't go poking around in there unless you know what you are doing.

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