Tonelux Designs OTB16 Channel Summer


16 Channel Stereo Summing with Tonelux Discrete Summing Amps

Manufacturer Description:

  • The OTB16 is a 16 channel 1U mixer with 16 balanced inputs and a Tonelux discrete summing bus. 
  • Each channel has a level control and a panner
  • The access to the OTB16 is through 2 eight channel Dsub inputs at a level of +4dBu nominal. 
  • The summing of the 16 channels is through the famous Tonelux TX-240 and TX-260 discrete op-amps, and then throught the 
  • main output transformer, which can be adjusted by the MASTER fader pot, which comes out of a pair of XLR connectors. 
  • Additionally there is a monitor output for monitoring or for expansion, which is balanced but transformerless.
  • 2 additional balanced inputs to the MIX bus. The pre fader monitor output can be plugged into the BUS input to extend the number of channels with a second or third OTB16. 120 or 230 volts AC powered 50/60 Hz.

Year Condition
Call Brand New


Sound Pure
Durham, NC
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