This Baldwin 3-way Speaker Selector Switch was specifically designed to be capable of being used with Solid State or Tube Amps without risking the danger of Tube amp failure, which is present with the vast majority of "mass market" designs.
High End True Audiophile Quality.
This unit was a custom build for a High End Loudspeaker Company to use in R and D but never saw service.
Special Amplifier & 3-way Speaker A/B/C Switch - Tube Amps & Solid State - 800 Watts switching
Sound Transparent for Tube and/or Solid State Amplifiers
3 Outputs for stereo loudspeakers
Common Earth for all negative amplifier and loudspeaker connections
The Amplifier can drive speakers 1, 2 or 3
The Amplifier can drive speakers 1, 2 or 3 without changing the impedance load to the amplifier
The Amplifier has 2 x 4 Ohm dummy loads connected if it is switched out of circuit
There are no switching noises through the loudspeakers
The switch box is musically transparent
The Switch Box is capable of switching up to 10 Amps (1KW) per channel.
Features Relay drive to handle the designated amount of power. The controlling switches are miniature toggles.
A power supply to drive the relays is required but, should this fail then the amplifiers will see the dummy loads by default, making the design safe for tube amplifiers.
External Dimensions: 226mm (9") Height 70mm (2.75") Depth 271mm (10.75").
Black Anodised front
This switch box is Hand Built from high quality components by Baldwin in the U.K.
