Homer_Dudley_(October_1940)._The_Carrier_Nature_of_Speech._Bell_System_Technical_Journal,_XIX(4);495-515._–_Fig.8_Schematic_circuit_of_the_voder

24 Hour Turnaround

Factory Repair services available with 24 hour turnaround.
customerservice@hyperdynesystems.com

Call (479) 422-0390 for immediate assistance

Support Request