Special model made exclusively for use with the Gulbransen Model F Church Organ (pedal channel). One single 15″ speaker; no rotary elements. — Special thanks to Jimmy Williams for the information. Amplifier Type 1 Channel Vacuum Tube Output Power 40 Watts Drum None Horn None Speeds None Interface Custom
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 […]
