M462B · RTO-144 Connections

EQUALIZER · series L-EFFECT · line in 600 Ω, out 600 Ω

Rear connector

P2 — REAR VIEW · CARD EDGE · 22 CONTACTS1EQ IN LEFT + / EQ IN Rig2EQ IN LEFT − / EQ IN Rig3456789101112131415EQ OUT LEFT + / EQ OUT R16EQ OUT LEFT − / EQ OUT R171819VEE-AUDIO -25V20GND21VCC-AUDIO +25V22CHASSISInputOutputPowerGround / chassis

Inputs and outputs

M462BEQUALIZEREQ IN LEFTA1 P2-1 / P2-2EQ IN RightA3 P2-1 / P2-2EQ OUT LEFTA2 P2-15 / P2-16EQ OUT RightA4 P2-15 / P2-16INPUTSOUTPUTSVEE-AUDIO-25 V P2-19 / GND P2-20VCC-AUDIO25 V P2-21 / GND P2-20CHASSISP2-22

Audio connections · RTO-144 A / B

PortSignalDirPin +Pin −Pad +Pad −
A1EQ IN LEFTinP2-1P2-21.A.1.P2.A.1.N
A2EQ OUT LEFToutP2-15P2-1615.A.2.P16.A.2.N
A3EQ IN RightinP2-1P2-21.A.3.P2.A.3.N
A4EQ OUT RightoutP2-15P2-1615.A.4.P16.A.4.N

Power · bench PSU

RailStyleVoltsMax ASupplyGroundLink
VEE-AUDIONEW-250.2P2-19P2-202
VCC-AUDIONEW250.2P2-21P2-201

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
M462B RTO-144 connections
Drn.
make_rto144.py
Date
Oct 17 2026