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The rack-mountable JBL CST-2120 transformer module provides impedance and voltage matching for the CSA-2120 amplifier to drive 70V and 100V distributed speaker systems.

  • Providing two channels for constant voltage operation
  • 70V/100V Outputs
  • Rack-mountable with CSA2120
  • Detachable block input and output connectors
Max Input Power 120W/Ch
Max Input Voltage 32Vrms
Insertion Loss Less than 1dB
Frequency Response +/-1 dB @ 70Hz - 15kHz
Dimensions 8.2" x 1.7" x 7" (209 mm x 44 mm x 178 mm)
  Version Language Size Uploaded
CST-2120 Cut Sheet-Chinese   zh  675 KB Nov 09, 2011
CST-2120 Cut Sheet-English   en  112 KB Mar 13, 2012
CST-2120 Owner's Manual-Chinese   zh  1.98 MB Jan 13, 2014
JBL Commercial Brochure     1.24 MB Sep 12, 2018
Application Guides
CS Series Application Guide (English)     4.99 MB Aug 27, 2015

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