Crown Audio XFMR4 4 Channel Rackmountable Transformer

Priced: $375.94
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Crown Audio XFMR4 4 Channel Rackmountable Transformer -

The Crown Audio XFMR4 rack-mountable transformer provides impedance matching between amplifier outputs and "constant voltage" loudspeakers. This unit allows amplifiers without direct 70V or 100V output capability to drive distributed speaker systems designed to operate at those voltages.


  • Provides 70V and 100V output when used only with Com-Tech DriveCore (CT 475, CT 875, CT 4150 and CT 8150)
  • "Jumper" cables are provided to easily incorporate the XFMR unit with a Com- Tech DriveCore amplifier
  • Allows amplifiers without direct constant-Voltage capability to be easily integrated into distributed systems
  • Transformers provide four and eight channels of impedance matching for Constant-Voltage operation
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Dimensions (W x H x D):19 x 1.72 x 15.6" (48.3 x 4.4 x 39.7cm)
Frequency Response:+/- 1.0 dB (70 Hz to 15 kHz).
Insertion (Core) Loss:<=1.0 dB max (70VAC).
Max Input Levels:32 Vrms / 125W
Output connectors:Pluggable barrier block connectors that accepts up to 14 AWG wire
Weight:4CH: 17.0 lbs (7.7 kg)

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