Boredbrain Music TRS

Direct multi-channel expansion for the Xcelon eurorack mixer and i/o's

€ 329,00
Op Voorraad
Modular System, Mixers

TRS is part of Boredbrain’s direct multi-channel audio series of modules, which interconnect to provide a multitude of audio outputs to eurorack systems. TRS can interface with the IO module and/or Xcelon mixer for twelve balanced audio outputs, or up to twenty-four using two TRS modules.

Flexible Interconnection

On the front of the module are twelve TRS jacks, which each output balanced line-level audio signals. The channel numbers above each jack (OUT 1-12) correspond to those on the rear input ports.
The two input ports on the back of the module (INPUT 1-6, 7-12) accept signals from compatible Boredbrain modules using the supplied 8-pin ribbon cables. When connected to the IO module, these ports accept groups of six individual input signals. Similarly, when connected to the Xcelon mixer or XP3 channel expander, these ports accept banks of three stereo mixer channels for direct output. The connections to these ports can be mixed and matched in any order, and both the PRE and POST direct outputs for a bank of channels (Xcelon) can be used simultaneously.

Balanced Audio Output

Balanced audio is essential in pro audio applications due to its immunity to noise introduced in long cable runs. Audio signals in this format are commonly used with pro audio interfaces, mixers, patchbays and live sound equipment.

The module’s twelve ¼-inch TRS jacks (1-12) output differential signals scaled to +4 dBu, which can drive long cable runs with high capacitive loads. The compact 6-channel layout is possible by using high performance balanced line driver ICs rather than much larger isolation transformers.

These differential or “balanced” signals are the key to noise rejection. Prior to signal output, a duplicate is made with an inverted polarity. Using a TRS cable, the original signal, SIGNAL +, is connected to the tip (T) of the plug, while the inverted signal, SIGNAL –, is connected to the ring (R). These two signals travel on separate wires within the same cable. At the balanced input, the inverted signal is re-inverted and combined with the original signal. Because any noise picked up across the cable affects both signals equally, it undergoes phase cancellation and is removed from the FINAL SIGNAL.

Features :

  • Connects to IO module to provide twelve balanced audio outputs
  • Connects to Xcelon mixer and expanders for six stereo direct outputs
  • Balanced line-level audio outputs on ¼-inch TRS jacks
  • Low-noise signal path with isolated channel circuitry
  • Width: 8 HP
  • Depth: 35 mm
  • Weight: 88 g
  • Output Impedance: 50 Ω
  • SNR: > 102 dB
  • Power: +12 V 90 mA, -12 V 90 mA
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