1955 Hammond Organ Tube Amp

[scrimpu]

They ask 200-400 but they don't sell for that. Chop it up and enjoy your new guitar amp.

 

[daqvin_carter]

Thanks for the pictures.
I found myself staring at an old friend.
We had one when I was a kid.
Sold it when we moved at 16.

I have a larger Wurlitzer reed organ now, but admit I would love to have a hammond too.
Alsomost brought a pump organ home recently too.

 

[Torren61]

From what I can research, M3's had an AO-29 amp and a field coil speaker.

 

[scrimpu]

Early models had a field coil later models did not. 1955 could be either one. If its got a field coil speaker you will need use it or modify the power supply as the field coil acts as a choke on the B+ line. If you have 4 wires going to the speaker its a field coil, 2 wires is not.

 

[Torren61]

I want to thank every one of you for your input. Thanks!

 

[Kay Pirinha]

Hi Torren61,

if you'll ideed decide to cannibalize your beautiful organ, I'd declare interest in some parts of it. Please have a look at the schematics. These parts are the three small transformers in the percussion section, called T4, T5, T6, the complete expression control box, located between the intermediate and the output amplifier, the vibrato phase shift line, the vibrato scanner and both arrays of tablet switches. You don't need these parts for a guitar amp project, and I'd be very thankful if you'd let them for me.

Best regards, Uwe

 

[peterfarrow]

A Hammond M3 is tube Tone Wheel Organ.

Gutting this to make a guitar amp is a cardinal sin.

Considering its quite easy to make a tube guitar amp, lots of people will be round to help you without destroying a Hammond.

Please... reconsider... don't gut the Hammond for this..

 

[cochleus]

Yes, like killing an elephant for his tusk.