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I just picked up an XTP recently - original owner in very good condition. Everything works, but the leslie volume is very low. I had a T200 once and the leslie effect was great, but the xtp it is very unpronounced. It turns on and off and works on high and low, but the volume is very low. Any suggestions?
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I don't know of course, having very little concept of the XTP's build...
... but if it was a T500 my guess would be to check the crossover. The leslie in the T comes directly from the speaker leads (ie after the signal has left the power amp).
Take a photo of the existing connections to the crossover so you can return them to the correct positions and see what happens if you arrange them to make a direct connection, bypassing the crossover.
Next thing to check would be the connections between the leslies and the organ, and the speaker itself.-1958 Hofner 550 archtop guitar -1959 C3 and PR40- -1964 Busillachio Harmonium- -1964 M101-
-1967ish Leslie 122- -1975 T500 (modded..chopped, and reassembled!)-
-DIY 760 FrankenLeslie/rat hideout- -1980 Electrokey Electric Piano- -Yamaha electric Harmonium (early 80's?)-
-1990 Jansen GMF150 amp- -1992 Korg 01W/fd- -1992 G&L S-500 geetar. -
The XTP uses a Yamaha tremolo speaker unit in the 'leslie' box. It can't handle any bass, so there's a crossover that shunts the bass to the straight speakers. If the sound is OK when all the sound is routed to the straight speakers, then I'd check the crossover and wiring to the speaker. There will be some form of rotary contact to get the audio to the rotating speaker so that needs to be checked out as well. Finally, there's the speaker itself, which could be faulty.
At almost 50 years old, you almost certainly won't find spare parts for the speaker or rotary contact, other than by pinching them from a donor organ. I'd imagine that any old Yamaha spinet or console that has the unit inside - and there were loads of them in the B, C, D and E series - would serve as a very low cost, or free, donor.It's not what you play. It's not how you play. It's the fact that you're playing that counts.
New website now live - www.andrew-gilbert.com
Current instruments: Roland Atelier AT900 Platinum Edition, Yamaha Genos, Yamaha PSR-S970, Kawai K1m
Retired Organs: Lots! Kawai SR6 x 2, Hammond L122, T402, T500 x 2, X5. Conn Martinique and 652. Gulbransen 2102 Pacemaker. Kimball Temptation.
Retired Leslies, 147, 145 x 2, 760 x 2, 710, 415 x 2.
Retired synths: Korg 700, Roland SH1000, Jen Superstringer, Kawai S100F, Kawai S100P, Kawai K1Comment
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When the Leslie is on the total organ volume decreases. If the Tremolo Chorus is turned on the volume returns to normal, but the leslie is difficult to hear at all. When the leslie tremolo is turned off all is normal. I have searched the schematics, but am unable to locate the crossover for the leslie. I was expecting to see the crossover network connected directly to the speaker, but that is not the case. Incidentally, the speaker seems fine as do the connections between the organ and the speaker.Comment
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