Hammond T 300 Footswitch for Leslie speed?

[dvanbeever]

Hi all...Hope everyone is doing ok.
Is there any way to add a footswitch to control the Leslie speed from slow to fast on the Hammond T-300? I'm trying to record a guitar through it and it would be nice to control this with my foot instead of hand.
Also there is a pretty loud click whenever I change from slow to fast or vice versa. Any recommendations for that?
Thanks,
Derek

[Brendon Wright]

Yup. First, for the click, put a 0.01uF mains rated capacitor across the power wires running to the leslie motors. Possibly the easiest place to do that is at the plug, though across the relay under the amp chassis is where it's supposed to go. Perhaps the one over the realy has detached or drifted?
The other thing is to also put a 0.01uf across the leslie switch itself. This only has 12V running across it, but the switch could still be sparking as it closes, I guess.
On my T500 I rewired the swell pedal sideswitch to do switching, it was essentially wired parallel to the fast-motor switch. It did its best work from leslie-stopped to leslie fast. You'd have to arrange another switch to allow a stop setting.
You could put in a jack to a stomp-footswitch which interrupts or bypasses the fast switch, hook the jack to both sides of the fast switch so your foot switch does the same job.

[dvanbeever]

Thank you for your response. Just replaced the belt on the Leslie and was poking around to see where to put the cap. When you say across the plug do you mean that I should snip the motor wires and pigtail a cap across those? I unplugged the speaker and was trying to figure out where to do that. I'm not afraid of tinkering but I may need some more help identifying exact places. If I want to access the relay und the chassis, what is the best way of accessing that? I'll ask for help on footswitch once I've completed this.
Thank you so much,
Derek