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M406A
Type module
Category DYNAMICS
Try it simulator & front panel
Earliest dated evidence 1968|1 — estimate from a dated variant
Evidence from M406
Confidence family
Variants M406, M406B, M406C, M406M
Folder Modules/DYNAMICS/M406A

Front panel

Pinout & connections

No page of its own numbers M406A's contacts: these are its variant M406's, drawn faded — not confirmed for M406A.

EDGE CONNECTOR · 1–22NUMBERED SIDE · AS ON M4061: COMPRESSOR IN audio in · confidence variant (from a variant) rto-144 · M406.rto144.json, p. 11COMPRESSOR IN +IN2: COMPRESSOR IN audio in · confidence variant (from a variant) rto-144 · M406.rto144.json, p. 12COMPRESSOR IN −IN345678910111213: COMPRESSOR OUT audio out · confidence variant (from a variant) rto-144 · M406.rto144.json, p. 113COMPRESSOR OUT +OUT14: COMPRESSOR OUT audio out · confidence variant (from a variant) rto-144 · M406.rto144.json, p. 114COMPRESSOR OUT −OUT15: METER OUT audio out · confidence variant (from a variant) rto-144 · M406.rto144.json, p. 115METER OUT +OUT16: METER OUT audio out · confidence variant (from a variant) rto-144 · M406.rto144.json, p. 116METER OUT −OUT17: SIDE CHAIN control / tally · confidence variant (from a variant) rto-144 · M406.rto144.json, p. 117SIDE CHAINCTL18: COMMON ground / common · confidence variant (from a variant) rto-144 · M406.rto144.json, p. 118COMMONGND19: COMMON ground / common · confidence variant (from a variant) rto-144 · M406.rto144.json, p. 119COMMONGND20: +24 V power rail · confidence variant (from a variant) rto-144 · M406.rto144.json, p. 120+24 VPWR2122: +48 V power rail · confidence variant (from a variant) rto-144 · M406.rto144.json, p. 122+48 VPWR
KEYIN audio inOUT audio outPWR power railGND ground / commonCTL control / tallyvariant
M406Apins as on its variant M406 (not confirmed for M406A)+24 V 20+48 V 22M406ACOMPRESSOR IN1·2COMPRESSOR OUT13·14METER OUT15·16SIDE CHAIN 17COMMON 18·19

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

Pin evidence — 11 contacts
PinSignalKindConfidenceRead fromSource
1COMPRESSOR INaudio invariantrto-144M406.rto144.json, p. 1
2COMPRESSOR INaudio invariantrto-144M406.rto144.json, p. 1
13COMPRESSOR OUTaudio outvariantrto-144M406.rto144.json, p. 1
14COMPRESSOR OUTaudio outvariantrto-144M406.rto144.json, p. 1
15METER OUTaudio outvariantrto-144M406.rto144.json, p. 1
16METER OUTaudio outvariantrto-144M406.rto144.json, p. 1
17SIDE CHAINcontrol / tallyvariantrto-144M406.rto144.json, p. 1
18COMMONground / commonvariantrto-144M406.rto144.json, p. 1
19COMMONground / commonvariantrto-144M406.rto144.json, p. 1
20+24 Vpower railvariantrto-144M406.rto144.json, p. 1
22+48 Vpower railvariantrto-144M406.rto144.json, p. 1

Pictures

1968 - M406A - WBSps.ca - M406A compressor.jpg19xx - AD - 20170522_122029_020.jpg

Photos & scans (1)

Year File
1968|1 1968 - M406A - WBSps.ca - M406A compressor.jpg note

Named in other drawings & documents (3)

File Page
19xx - AD - 20170522_122029_020.jpg 1
19xx - M402 - AD - 20170522_122029_020.jpg 1
19xx - M404 - AD - 20170522_122029_020.jpg 1
An archive by Anthony Peter Kuzub · WBSps.Kuzub.com · WBSps.ca
generated from M406A.md