M472 · RTO-144 Connections

M472 - Equalizer

Rear connector

REAR VIEW · CARD EDGE · CONTACTS 1-6 SHOWN1234EQ(unbalanced) IN +56EQ(unbalanced) OUT +InputOutput

Inputs and outputs

M472M472 - EqualizerEQ(unbalanced) INA1 4EQ(unbalanced) OUTA2 6INPUTSOUTPUTS

Audio connections · RTO-144 A / B

PortSignalDirPin +Pin −Pad +Pad −
A1EQ(unbalanced) INin4—4.A.1.P.A.1.N
A2EQ(unbalanced) OUTout6—6.A.2.P.A.2.N

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
M472 RTO-144 connections
Drn.
make_rto144.py
Date
Oct 17 2026