Attempting to get an Allen TC-1 (1964, serial #11333 ) to operate again. No sound for any of the flute stops on all keys or pedals; any likely candidates for the source of this problem?
Diapason stops will sound for all keys (though not all keys will sound for any single diapason stop).
Welcome to the Forum! I'm sure we can find someone to help you here.
First of all, check the amplifiers. There should be a Flute amplifier in the back of the organ. Check to be sure it is plugged in, and that all connections are good (i.e. RCA or Jerrold connectors to input or output of amplifier). Basically, follow the path of the audio and see if there any breaks in the chain of audio.
That should get you started until one of our experts weighs in. Again, welcome to the Forum!
Michael
Way too many organs to list, but I do have 5 Allens:
Thanks for the input! Yes, the TC1 still has a pair of external speakers:
Only the top one is gyro.
I checked the connections to the amp in the speaker cabinets; no loose cables, there is power, and the gyro responds when modulating the console normal/celeste control. Here's the amp in the external speaker:
The input line is on the right of the amp (the pronged cables on the far right go to the bass speaker cabinet).
Is it possible this might be an issue in the console itself? Here are the photos from the back of the console:
The module marked "flute" made me wonder if there might be a connection failure or component failure in that module. Any ideas for a unit test of the flute module in the console?
Consider switching the two input cables at the amplifiers between the Flute and Diapason amplifiers. If the issue moves, it is the amplifier. If the issue remains the same, then it is inside the console.
Do be careful about what you play, though, as only one of those speakers is intended to handle bass frequencies. As long as you take it easy when switched, it should cause no damage.
-- I'm Lamar -- Allen TC-4 Classic -- 1899 Kimball, Rodgers W5000C, Conn 643, Hammond M3, L-102 - "Let no man belong to another who can belong to himself." (Alterius non sit qui suus esse potest -) Paracelsus
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