
7TUBE CONDENSER MICROPHONE T-1 User Manual
5. Audio Connection
To transmit a preamplified signal (OUTPUT connector on the PSU‑T), use a balanced microphone cable with the following pin assignment:
pin 1 = shielding; pin 2 = +; pin 3 =
Balanced use with XLR connectors
21
3
input
1 = ground/shield
2 = hot (+ve)
3 = cold (-ve)
12
3