Audio upgrade to convert an unbalanced audio outputs of vintage or consumer audio gear to balanced audio outputs. It is a TRS jack with all circuitry on the jack PCB; designed to replace the unsymmetrical TS audio output in vintage and consumer studio gear.
- Based on modern, high performance LM4562 Opamps
- THD <0.0012%
- headroom 20dBu
- 6dB boost
- optional hard-wired or 100nF capacitor shield connection
Needs a true dual power supply from inside the host device with up to +/-17V in refrence to ground.
The connections on the PCB are:
- Power +
- Power –
- Ground
- Audio input
Tested with: Alesis Quadraverb, Lexicon LPX-1, dbx 163A.
You can find the corresponding audio output stage here https://janus-audio.com/product/de-balancer/
Build examples and forum discussion at https://groupdiy.com/threads/balancer-and-de-balancer-on-a-trs-jack-to-upgrade-unsymmetrical-gear.89067/
