Special model made exclusively for use with the Gulbransen Model F Church Organ (great and swell manuals – one cabinet for each). Isomonically split and phase-mixed complex voices were carried by four channels via stationary 10″ speakers. Flute channel was a 10″ speaker firing into a wooden lower rotor (brake/fast). The cabinet had 5 channels […]
he 258 is used with the 257 and was designed exclusively for use with Thomas organs. Below is a description by Harvey Olsen from the “HamTech Mailing List”: “It is the “complex-wave” cabinet for the above system [257/258 pair]. It has two 147-type power amps (with 9-pin inputs) that drive the 15″ bass, and two […]
