A cost effective alternative to removing and disassembling Hammond tone wheel generators when defective frequencies are encountered. Simple installation. Generates a sine wave output of any tone wheel frequency. Each GNR-2A will replace a single additional frequency, but has no power supply, relying on that of the GNR-1A. As many as three GNR-2A units may be powered by a single GNR-1A.
NOTE: The GNR-1A and GNR-2A are not usable to replace pedal frequencies on spinet organs, since these tone wheel outputs are not sine wave signals.
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