M522B · RTO-144 Connections
Mono Equalizer
Rear connector
Inputs and outputs
Audio connections · RTO-144 A / B
| Port | Signal | Dir | Pin + | Pin − | Pad + | Pad − |
|---|---|---|---|---|---|---|
| A1 | Left(Mono) IN | in | 4 | 5 | 4.A.1.P | 5.A.1.N |
| A2 | LEFT(MONO) OUT | out | 6 | 7 | 6.A.2.P | 7.A.2.N |
Power · bench PSU
| Rail | Style | Volts | Max A | Supply | Ground | Link |
|---|---|---|---|---|---|---|
| VEE-AUDIO | NEW | -25 | 0.2 | 19 | 20 | 2 |
| VCC-AUDIO | NEW | 25 | 0.2 | 21 | 20 | 1 |
Source: Ward-Beck Systems - Module RTO-144 Jumper calculator.xlsx (Database tab). Pin direction is inferred from the signal name. Verify against the module schematic before wiring.
WBS Ward-Beck Systems Ltd.
Title
M522B RTO-144 connections
Drn.
make_rto144.py
Date
Oct 17 2026