[HAM] Electro Tone Percussion Unit

[John Garner]

Dear Sir,

I hope that this is a good e-mail address. I got it from a google search.

Here's my problem. I have a Hammond 152-D. It is all "tricked up" bout only about half of the "tricks" still function. It looks like it had a string bass unit on the pedals that was somehow wired into the percussion. Half of that seems to be gone. The Solo percussion has the tablets in tact. However, they are modified. The 2nd harmonic functions like factory. However, the third is wired into a switching device that is marked 3rd, 4th 6th  and 8th. You can, with the factory tablet on 3rd, select any combination of these 4 harmonics or all 4 if you want and the solo keyboard fires them as percussion. A funkier organ I have never heard. It IS pretty remarkable. 

Why I am writing this to you is that Electrotone Corporation of Santa Monica CA "Per 200" No.907 aftermarket percussion unit that was wired into the Great keyboard. It has been unhooked but the unit is still there minus the tubes. 

Do you have or can you find me a schematic for this aftermarket percussion unit? Or, can you tell me where I might get one? Any help that you might give me is apprediated. It would be a tremendous help just to know what tubes that this takes.  

Thanks!

John Garner
Terre Haute, IN