M472A · RTO-144 Connections

M472A - Stereo Equalizer

Rear connector

REAR VIEW · CARD EDGE · CONTACTS 1-11 SHOWN1234EQ(unbalanced) IN LEFT +56EQ(unbalanced) OUT LEFT 789EQ(unbalanced) IN RIGHT 1011EQ(unbalanced) OUT RIGHTInputOutput

Inputs and outputs

M472AM472A - Stereo EqualizerEQ(unbalanced) IN LEFTA1 4EQ(unbalanced) IN RIGHTA3 9EQ(unbalanced) OUT LEFTA2 6EQ(unbalanced) OUT RIGHTA4 11INPUTSOUTPUTS

Audio connections · RTO-144 A / B

PortSignalDirPin +Pin −Pad +Pad −
A1EQ(unbalanced) IN LEFTin4—4.A.1.P.A.1.N
A2EQ(unbalanced) OUT LEFTout6—6.A.2.P.A.2.N
A3EQ(unbalanced) IN RIGHTin9—9.A.3.P.A.3.N
A4EQ(unbalanced) OUT RIGHTout11—11.A.4.P.A.4.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
M472A RTO-144 connections
Drn.
make_rto144.py
Date
Oct 17 2026