If it's like mine, you ground the CTRL input to enable the reverb. Also, the audio signal levels that this unit uses are very low.
Larry is my name; Allen is an organ brand. Allen RMWTHEA.3 with RMI Electra-Piano; Allen 423-C+Gyro; Britson Opus OEM38; Steinway AR Duo-Art 7' grand piano, Mills Violano Virtuoso with MIDI; Hammond 9812H with roll player; Roland E-200; Mason&Hamlin AR Ampico grand piano, Allen ADC-5300-D with MIDI, Allen MADC-2110.
I do not. Once I determined how the CTRL input worked and realized that the board used very low audio signal levels, I put the units in a box for when I have time in the future to experiment. I'm trying to be semi-retired but my clients keep asking me to do more work so my free time right now is much less than anticipated.
Larry is my name; Allen is an organ brand. Allen RMWTHEA.3 with RMI Electra-Piano; Allen 423-C+Gyro; Britson Opus OEM38; Steinway AR Duo-Art 7' grand piano, Mills Violano Virtuoso with MIDI; Hammond 9812H with roll player; Roland E-200; Mason&Hamlin AR Ampico grand piano, Allen ADC-5300-D with MIDI, Allen MADC-2110.
I'll confirm what's already been said. Grounding the CTRL line will enable to unit to output a signal. Also, the output will be WET signal only, that is, it will be what comes from the pickup at the passive end of the spring. All Allen models, AFAIK, have some sort of reverb mixing circuit that blends this wet signal into the final audio signal that is then sent on to the amps. There should be a control on that reverb mixer so adjust the amount of reverb being blended into the amps.
John
---------- *** Please post your questions about technical service or repair matters ON THE FORUM. Do not send your questions to me or another member by private message. Information shared is for the benefit of the entire organ community, but other folks will not be helped by information we exchange in private messages!
I'll confirm what's already been said. Grounding the CTRL line will enable to unit to output a signal. Also, the output will be WET signal only, that is, it will be what comes from the pickup at the passive end of the spring. All Allen models, AFAIK, have some sort of reverb mixing circuit that blends this wet signal into the final audio signal that is then sent on to the amps. There should be a control on that reverb mixer so adjust the amount of reverb being blended into the amps.
I have a standing search for Allen organ on ebay and get new results on a daily basis, including things like the capture power supply that a fellow on another thread is looking for.
Older digital Allen organs are being parted out at a much higher rate than in the past so there are lots of interesting things turning up. I purchased an Allen +/- 15VDC power supply for $25 about the same time I got the reverb units last year.
But there are lots of new non-Allen power supplies available on the net for a reasonable price since that is a popular dual voltage for other audio gear.
Larry is my name; Allen is an organ brand. Allen RMWTHEA.3 with RMI Electra-Piano; Allen 423-C+Gyro; Britson Opus OEM38; Steinway AR Duo-Art 7' grand piano, Mills Violano Virtuoso with MIDI; Hammond 9812H with roll player; Roland E-200; Mason&Hamlin AR Ampico grand piano, Allen ADC-5300-D with MIDI, Allen MADC-2110.
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