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M460T — Input Module - Pin Outs
Type module
Category INPUT-PRE-AMPS
Try it simulator & front panel · download package (zip)
Earliest dated evidence 1974|7 — estimate from a dated variant
Evidence from M460L
Confidence family
Variants M460, M460A, M460B, M460C, M460D, M460E, M460F, M460K, M460L, M460LA, M460M
Folder Modules/INPUT-PRE-AMPS/M460T

Connections and circuit (ideal SPICE model)

Drawn live from its RTO-144 connections: run the generator, turn the gain, watch the VU. Open the netlist to see how the model is built.

Pinout & connections

Each contact as its own documents name it: 22 named (22 high confidence). An empty slot is a contact no page names. Hover a contact for its source; the table under the drawing lists them.

CONNECTOR P1 · A–ZLETTERED SIDEP1-A: MIC IN audio in · confidence high rto-144 · M460T.rto144.json, p. 1AMIC IN −INBCDEFHJKLMNPRSTP1-U: LINE IN audio in · confidence high rto-144 · M460T.rto144.json, p. 1ULINE IN −INVP1-W: FADER RETURN audio in · confidence high rto-144 · M460T.rto144.json, p. 1WFADER RETURN −INP1-X: CH ON SWITCH OUT control / tally · confidence high rto-144 · M460T.rto144.json, p. 1XCH ON SWITCH OUT −CTLP1-Y: INSERT RETURN audio in · confidence high rto-144 · M460T.rto144.json, p. 1YINSERT RETURN −INP1-Z: INSERT OUT audio out · confidence high rto-144 · M460T.rto144.json, p. 1ZINSERT OUT −OUTCONNECTOR P1 · 1–22NUMBERED SIDEP1-1: MIC IN audio in · confidence high rto-144 · M460T.rto144.json, p. 11MIC IN +IN2345678910111213141516P1-17: LINE IN audio in · confidence high rto-144 · M460T.rto144.json, p. 117LINE IN +IN18P1-19: FADER RETURN audio in · confidence high rto-144 · M460T.rto144.json, p. 119FADER RETURN +INP1-20: CH ON SWITCH OUT control / tally · confidence high rto-144 · M460T.rto144.json, p. 120CH ON SWITCH OUT +CTLP1-21: INSERT RETURN audio in · confidence high rto-144 · M460T.rto144.json, p. 121INSERT RETURN +INP1-22: INSERT OUT audio out · confidence high rto-144 · M460T.rto144.json, p. 122INSERT OUT +OUT
CONNECTOR P2 · A–ZLETTERED SIDEABCDP2-E: BUS RIGHT OUT audio out · confidence high rto-144 · M460T.rto144.json, p. 1EBUS RIGHT OUT −OUTFHJKLMP2-N: DIRECT OUT audio out · confidence high rto-144 · M460T.rto144.json, p. 1NDIRECT OUT −OUTPRSTUVWXP2-Y: +24 V power rail · confidence high rto-144 · M460T.rto144.json, p. 1Y+24 VPWRZCONNECTOR P2 · 1–22NUMBERED SIDE1234P2-5: BUS RIGHT OUT audio out · confidence high rto-144 · M460T.rto144.json, p. 15BUS RIGHT OUT +OUT67891011P2-12: DIRECT OUT audio out · confidence high rto-144 · M460T.rto144.json, p. 112DIRECT OUT +OUT1314151617P2-18: COMMON ground / common · confidence high rto-144 · M460T.rto144.json, p. 118COMMONGNDP2-19: -25 V power rail · confidence high rto-144 · M460T.rto144.json, p. 119-25 VPWRP2-20: COMMON ground / common · confidence high rto-144 · M460T.rto144.json, p. 120COMMONGNDP2-21: +25 V power rail · confidence high rto-144 · M460T.rto144.json, p. 121+25 VPWRP2-22: CHASSIS ground / common · confidence high rto-144 · M460T.rto144.json, p. 122CHASSISGND
KEYIN audio inOUT audio outPWR power railGND ground / commonCTL control / tallyhigh: sheet
M460T — Input Module - Pin Outs-25 V P2-19+24 V P2-Y+25 V P2-21M460TINPUT MODULE -PIN OUTSMIC INP1-A·P1-1LINE INP1-U·P1-17FADER RETURNP1-W·P1-19INSERT RETURNP1-Y·P1-21INSERT OUTP1-Z·P1-22BUS RIGHT OUTP2-E·P2-5DIRECT OUTP2-N·P2-12CH ON SWITCH … P1-X·P1-…COMMON P2-18·P2…CHASSIS P2-22

pinout (SVG) · connections (SVG) · pins (JSON)

Pin evidence — 22 contacts
PinSignalKindConfidenceRead fromSource
P1-AMIC INaudio inhighrto-144M460T.rto144.json, p. 1
P1-1MIC INaudio inhighrto-144M460T.rto144.json, p. 1
P1-ULINE INaudio inhighrto-144M460T.rto144.json, p. 1
P1-17LINE INaudio inhighrto-144M460T.rto144.json, p. 1
P1-WFADER RETURNaudio inhighrto-144M460T.rto144.json, p. 1
P1-19FADER RETURNaudio inhighrto-144M460T.rto144.json, p. 1
P1-XCH ON SWITCH OUTcontrol / tallyhighrto-144M460T.rto144.json, p. 1
P1-20CH ON SWITCH OUTcontrol / tallyhighrto-144M460T.rto144.json, p. 1
P1-YINSERT RETURNaudio inhighrto-144M460T.rto144.json, p. 1
P1-21INSERT RETURNaudio inhighrto-144M460T.rto144.json, p. 1
P1-ZINSERT OUTaudio outhighrto-144M460T.rto144.json, p. 1
P1-22INSERT OUTaudio outhighrto-144M460T.rto144.json, p. 1
P2-EBUS RIGHT OUTaudio outhighrto-144M460T.rto144.json, p. 1
P2-5BUS RIGHT OUTaudio outhighrto-144M460T.rto144.json, p. 1
P2-NDIRECT OUTaudio outhighrto-144M460T.rto144.json, p. 1
P2-12DIRECT OUTaudio outhighrto-144M460T.rto144.json, p. 1
P2-18COMMONground / commonhighrto-144M460T.rto144.json, p. 1
P2-19-25 Vpower railhighrto-144M460T.rto144.json, p. 1
P2-20COMMON
also: COMMON (rto-144)		ground / commonhighrto-144M460T.rto144.json, p. 1
P2-Y+24 Vpower railhighrto-144M460T.rto144.json, p. 1
P2-21+25 Vpower railhighrto-144M460T.rto144.json, p. 1
P2-22CHASSISground / commonhighrto-144M460T.rto144.json, p. 1

Pictures

1974 - M460T - Pin Out P1.jpg1974 - M460T - Pin Out P2.jpg

Price history

Year Kind Price Listed as Effective Source
2005|38 used market value 250.00 M460T - Input wbsps - website ARCHIVE/WBSPS 2008/ARCHIVE/old website/PriceGuide.htm
2006|39 used market value 250.00 M460T - Input wbsps - website ARCHIVE/WBSPS 2008/ARCHIVE/jan 2006 shell/priceguide.htm

Physical manual inventory

Item Location Status Scanned
M460T - Input Module - Pin Outs PDF - Already scanned

Documents (2)

Year File
1974|7 1974 - M460T - Input Module - Pin Outs (2).pdf note
1974|7 1974 - M460T - Input Module - Pin Outs.pdf note

Photos & scans (2)

Year File
1974|7 1974 - M460T - Pin Out P1.jpg note
1974|7 1974 - M460T - Pin Out P2.jpg note

Named in other drawings & documents (1)

File Page
19xx - RTO-144 - Module RTO-144 Jumper calculator.xlsx 1
An archive by Anthony Peter Kuzub · WBSps.Kuzub.com · WBSps.ca
generated from M460T.md