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M481 — Oscilator and Cue Amp
Type module
Category AMPLIFIERS
Try it simulator & front panel · download package (zip)
Earliest dated evidence 1975|8 — title-block date
Evidence "DATE MAy 75" in PUBLIC/Manuals + tech DOCUMENTS/Modules/M481 - Oscilator and Cue Amp/M481 - P006 - B-481-02-001 R.jpg
Confidence high
All years found 1975|8
Used in jobs 1980-1989, Archived-Done-L1202AConsole
Variants M481B
Folder Modules/AMPLIFIERS/M481

Connections

What it is made of and what it is part of.

Pinout & connections

No page of its own numbers M481's contacts: these are its variant M481B's, drawn faded — not confirmed for M481.

EDGE CONNECTOR · A–YLETTERED SIDE · AS ON M481BABCDEFHJKLMN: RE-ENTRY SELECTOR AND LEVEL CONTROL OF MASTER control / tally · confidence variant (from a variant) prose · 1982 - M481B - Cue OSC Re-entry Module.pdf, p. 4 “Re-entry selector and level control of Master (M2) output back to Master (MI) summ ing bus Aux Master" level control Cue_Amplifiec The Cue Amplifier inputs are…”NRE-ENTRY SELECTOR AND …CTLPRSTU: RE-ENTRY THE M2 OUTPUT audio out · confidence variant (from a variant) prose · 1982 - M481B - Cue OSC Re-entry Module.pdf, p. 5 “Re-entry The M2 output appearing at pins 17 & U ot this module; is routed through MI Re-en try switch Sw3 and Re-entry Level control RS/R6 to summing resistors…”URE-ENTRY THE M2 OUTPUTOUTVWXYEDGE CONNECTOR · 1–21NUMBERED SIDE · AS ON M481B12345678: RE-ENTRY THE M2 OUTPUT audio out · confidence variant (from a variant) prose · 1982 - M481B - Cue OSC Re-entry Module.pdf, p. 5 “Re-entry The M2 output appearing at pins 17 & U ot this module; is routed through MI Re-en try switch Sw3 and Re-entry Level control RS/R6 to summing resistors…”8RE-ENTRY THE M2 OUTPUTOUT91011: RE-ENTRY SELECTOR AND LEVEL CONTROL OF MASTER control / tally · confidence variant (from a variant) prose · 1982 - M481B - Cue OSC Re-entry Module.pdf, p. 4 “Re-entry selector and level control of Master (M2) output back to Master (MI) summ ing bus Aux Master" level control Cue_Amplifiec The Cue Amplifier inputs are…”11RE-ENTRY SELECTOR AND …CTL12: RE-ENTRY SELECTOR AND LEVEL CONTROL OF MASTER control / tally · confidence variant (from a variant) prose · 1982 - M481B - Cue OSC Re-entry Module.pdf, p. 4 “Re-entry selector and level control of Master (M2) output back to Master (MI) summ ing bus Aux Master" level control Cue_Amplifiec The Cue Amplifier inputs are…”12RE-ENTRY SELECTOR AND …CTL13: CUE/SOLO ASSI GN SWITCH SW2 ROUTES THIE control / tally · confidence variant (from a variant) prose · 1982 - M481B - Cue OSC Re-entry Module.pdf, p. 4 “The CUE/SOLO ASSI GN switch Sw2 routes thie signal from the CUE MASTER output Lo either [he cue amplifier input Or , if depressed, it provides SOLO feed to the…”13CUE/SOLO ASSI GN SWITC…CTL14151617: RE-ENTRY THE M2 OUTPUT audio out · confidence variant (from a variant) prose · 1982 - M481B - Cue OSC Re-entry Module.pdf, p. 5 “Re-entry The M2 output appearing at pins 17 & U ot this module; is routed through MI Re-en try switch Sw3 and Re-entry Level control RS/R6 to summing resistors…”17RE-ENTRY THE M2 OUTPUTOUT1819: POWERSUPPLY POWER power rail · confidence variant (from a variant) prose · 1982 - M481B - Cue OSC Re-entry Module.pdf, p. 5 “Power_Supply Power is derived from the console integral +/ - 25 volt supply which appears a[ pins 21 and 19 of the module connector .”19POWERSUPPLY POWERPWR2021: POWERSUPPLY POWER power rail · confidence variant (from a variant) prose · 1982 - M481B - Cue OSC Re-entry Module.pdf, p. 5 “Power_Supply Power is derived from the console integral +/ - 25 volt supply which appears a[ pins 21 and 19 of the module connector .”21POWERSUPPLY POWERPWR
KEYOUT audio outPWR power railCTL control / tallyvariant
M481 — Oscilator and Cue Amppins as on its variant M481B (not confirmed for M481)POWERSUPPLY P… 19·21M481OSCILATOR ANDCUE AMPRE-ENTRY THE M2 …8·U·17RE-ENTRY SELE… 11·N·12CUE/SOLO ASSI… 13CONNECTED TO · CONSOLES & JOBS (2)1980-1989console / jobArchived-Done-L1202ACon…console / jobMADE OF · SUB-ASSEMBLIES (1)10-015Sub-assemblies (n-nnn)DRAWN WITH · MODULES (1)M481Bon 1 drawing with it

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

Pin evidence — 9 contacts
PinSignalKindConfidenceRead fromSource
8RE-ENTRY THE M2 OUTPUTaudio outvariantprose1982 - M481B - Cue OSC Re-entry Module.pdf, p. 5
“Re-entry The M2 output appearing at pins 17 & U ot this module; is routed through MI Re-en try switch Sw3 and Re-entry Level control RS/R6 …”
11RE-ENTRY SELECTOR AND LEVEL CONTROL OF MASTERcontrol / tallyvariantprose1982 - M481B - Cue OSC Re-entry Module.pdf, p. 4
“Re-entry selector and level control of Master (M2) output back to Master (MI) summ ing bus Aux Master" level control Cue_Amplifiec The Cue …”
NRE-ENTRY SELECTOR AND LEVEL CONTROL OF MASTERcontrol / tallyvariantprose1982 - M481B - Cue OSC Re-entry Module.pdf, p. 4
“Re-entry selector and level control of Master (M2) output back to Master (MI) summ ing bus Aux Master" level control Cue_Amplifiec The Cue …”
12RE-ENTRY SELECTOR AND LEVEL CONTROL OF MASTERcontrol / tallyvariantprose1982 - M481B - Cue OSC Re-entry Module.pdf, p. 4
“Re-entry selector and level control of Master (M2) output back to Master (MI) summ ing bus Aux Master" level control Cue_Amplifiec The Cue …”
13CUE/SOLO ASSI GN SWITCH SW2 ROUTES THIEcontrol / tallyvariantprose1982 - M481B - Cue OSC Re-entry Module.pdf, p. 4
“The CUE/SOLO ASSI GN switch Sw2 routes thie signal from the CUE MASTER output Lo either [he cue amplifier input Or , if depressed, it provi…”
URE-ENTRY THE M2 OUTPUTaudio outvariantprose1982 - M481B - Cue OSC Re-entry Module.pdf, p. 5
“Re-entry The M2 output appearing at pins 17 & U ot this module; is routed through MI Re-en try switch Sw3 and Re-entry Level control RS/R6 …”
17RE-ENTRY THE M2 OUTPUTaudio outvariantprose1982 - M481B - Cue OSC Re-entry Module.pdf, p. 5
“Re-entry The M2 output appearing at pins 17 & U ot this module; is routed through MI Re-en try switch Sw3 and Re-entry Level control RS/R6 …”
19POWERSUPPLY POWERpower railvariantprose1982 - M481B - Cue OSC Re-entry Module.pdf, p. 5
“Power_Supply Power is derived from the console integral +/ - 25 volt supply which appears a[ pins 21 and 19 of the module connector .”
21POWERSUPPLY POWERpower railvariantprose1982 - M481B - Cue OSC Re-entry Module.pdf, p. 5
“Power_Supply Power is derived from the console integral +/ - 25 volt supply which appears a[ pins 21 and 19 of the module connector .”

Pictures

1975 - 481-02-001 - OSCILLATOR CUE AMPLIFIER SCHEMATIC - DRN DM - ISS 2.jpg1975 - M481 - 481-02-021 - MICROFARADS UNLESS OTHERWISE SPECIFIED LAST COMPONENT DESIGNATIONS.jpg1975 - M481 - 481-04-002 - EKD OSCILLATOR-CUE AMPLIFIER.jpg1975 - M481 - P001 - Title Page.jpg1975 - M481 - P002 - 1-1.jpg1975 - M481 - P003 - 1-2.jpg1975 - M481 - P004 - 1-3.jpg1979 - 481-01-001 - M481B CUE, OSC, RE-ENTRY MODULE FUNCTIONAL DIAGRAM - DRN P. MAHONEY - ENG MRW - ISS 1.jpg1980 - 1980-1989 - 1202-02-016 - MON RE-ENTRY SOLO.jpg1975 - M461 - Rack mounted 3.jpg1975 - M461M - 461-01-002 - SOLO CONTROL SOLO COMMON CONTROL (2).jpg1976 - 461-01-002 - M461M INPUT MODULE FUNCTIONAL DIAGRAM - DRN ELJ - ISS 3 (2).jpg1977 - M1002 - 008.jpg1977 - M1002 - 012 - M481 Re-Rentry PFL Solo.jpg1982 - 1202-02-016 - OSC, CUE SOLO, RE-ENTRY & AUX LEVEL SCHEMATIC - DRN JP - ENG MRW - ISS 1.jpg1982 - M481B - P06 - 3-1.jpg1975 - M456B - 481-03-015 - DUAL BOOSTER AMPLIFIER.jpg1975 - M457 - 481-03-015 - DUAL BOOSTER AMPLIFIER.jpg1975 - M457 - 481-03-015 - GEB USED.jpg1982 - M481B - 481-02-002 - CUE OSC RE-ENTRY MODULE SCHEMATIC.jpg19xx - M487 - DOC - 481-02-002 - CUE OSC RE-ENTRY MODULE SCHEMATIC.jpg1982 - M481B - 481-04-002 - AUX MASTER REF OSC.jpg1982 - M481B - 481-06-002 - CUE OSC RE-ENTRY MODULE COMPONENT LAYOUT.jpg

Price history

Year Kind Price Listed as Effective Source
2005|38 used market value 10.00 M481 Oscillator / Cue Amplifier wbsps - website ARCHIVE/WBSPS 2008/ARCHIVE/old website/PriceGuide.htm
2006|39 used market value 10.00 M481 Oscillator / Cue Amplifier wbsps - website ARCHIVE/WBSPS 2008/ARCHIVE/jan 2006 shell/priceguide.htm

Dates found in the documents

Year Kind Text File
1975|8 title-block date DATE MAy 75 1975 - 481-02-001 - OSCILLATOR CUE AMPLIFIER SCHEMATIC - DRN DM - ISS 2.jpg
1975|8 title-block date DATE MAy 75 1975 - M481 - 481-02-021 - MICROFARADS UNLESS OTHERWISE SPECIFIED LAST COMPONENT DESIGNATIONS.jpg

Physical manual inventory

Item Location Status Scanned
M481 - Oscilator and Cue Amp PDF - Already scanned

Documents (2)

Year File
1975|8 1975 - M481 - Oscilator and Cue Amp (2).pdf note
1975|8 1975 - M481 - Oscilator and Cue Amp.pdf note

Photos & scans (8)

Year File
1975|8 1975 - 481-02-001 - OSCILLATOR CUE AMPLIFIER SCHEMATIC - DRN DM - ISS 2.jpg note
1975|8 1975 - M481 - 481-02-021 - MICROFARADS UNLESS OTHERWISE SPECIFIED LAST COMPONENT DESIGNATIONS.jpg note
1975|8 1975 - M481 - 481-04-002 - EKD OSCILLATOR-CUE AMPLIFIER.jpg note
1975|8 1975 - M481 - P001 - Title Page.jpg note
1975|8 1975 - M481 - P002 - 1-1.jpg note
1975|8 1975 - M481 - P003 - 1-2.jpg note
1975|8 1975 - M481 - P004 - 1-3.jpg note
1979|12 1979 - 481-01-001 - M481B CUE, OSC, RE-ENTRY MODULE FUNCTIONAL DIAGRAM - DRN P. MAHONEY - ENG MRW - ISS 1.jpg note

Sub-assemblies & parts used (1)

Item What Family Year How we know
10-015 Sub-assemblies (n-nnn) 1988|21 named in its manual

Consoles & jobs it is connected to (2)

Their own drawings name this module.

Job Year Drawing Page
1980-1989 1980 - 1980-1989 - 1202-02-016 - MON RE-ENTRY SOLO.jpg 1
Archived-Done-L1202AConsole 2001 - L1202A - 1202-02-016 - MON RE-ENTRY SOLO.jpg 1

Named in other drawings & documents (12)

File Page
19xx - RTO-144 - Module RTO-144 Jumper calculator.xlsx 1
1975 - M461 - Rack mounted 3.jpg 1
1975 - M461M - 461-01-002 - SOLO CONTROL SOLO COMMON CONTROL (2).jpg 1
1976 - 461-01-002 - M461M INPUT MODULE FUNCTIONAL DIAGRAM - DRN ELJ - ISS 3 (2).jpg 1
1977 - M1002 - 008.jpg 1
1977 - M1002 - 012 - M481 Re-Rentry PFL Solo.jpg 1
1982 - 1202-02-016 - OSC, CUE SOLO, RE-ENTRY & AUX LEVEL SCHEMATIC - DRN JP - ENG MRW - ISS 1.jpg 1
1982 - M481B - Cue OSC Re-entry Module (2).pdf 10
1982 - M481B - Cue OSC Re-entry Module.pdf 6
1982 - M481B - P06 - 3-1.jpg 1
1982 - M482B - Monitor Module (2).pdf 12
1982 - M487 - Dual Master Module (2).pdf 4

Drawings (15)

Each scan with its trace laid over it: the slider runs from the scan to the vector drawing. Click one to see it large and save it as SVG, DXF, KiCad, PDF or PowerPoint.

B 481-01-001 · functional · 1979|12
M481B / CUE, OSC, RE-ENTRY MODULE / FUNCTIONAL DIAGRAMviewer
481-02-021 · schematic · 1975|8
Goon Distviewer
B 481-02-001 · schematic · 1975|8
M481 / OSCILLATOR/CUE AMPLIFIER / SCHEMATICviewer
481-02-002 · schematic · 1982|15
Cue Osc Re-Entry Module Schematicviewer
481-02-002 · schematic
Cue Osc Re-Entry Module Schematicviewer
481-06-002 · component layout · 1982|15
Cue Osc Re-Entry Module Component Layoutviewer
481-04-002 · connector layout · 1975|8
Ekd Oscillator/Cue Amplifierviewer
481-04-002 · connector layout · 1982|15
Aux Master Ref Oscviewer
461-03-015 · mechanical · 1975|8
Dual Booster Ampaifier Layoutviewer
481-03-015 · mechanical · 1975|8
Dual Booster Amplifierviewer
481-03-015 · mechanical · 1975|8
Geb Usedviewer

Read from the drawing title blocks.

Drawing Title Date Drawn by Checked by Iss. Source
481-02-021 Microfarads Unless Otherwise Specified Last Component Designations 1975|8 DM file
481-03-015 Dual Booster Amplifier 1975|8 DM R LAYOUT file
481-03-015 Dual Booster Amplifier 1975|8 DM file
481-03-015 Geb Used 1975|8 DM file
B 481-02-001 M481 / OSCILLATOR/CUE AMPLIFIER / SCHEMATIC 1975|8 DM 2? file
B 481-01-001 M481B / CUE, OSC, RE-ENTRY MODULE / FUNCTIONAL DIAGRAM 1979|12 P MAHONEY 1 file
— Oscillator Cue DO file p.6
481-02-002 Cue Osc Re-Entry Module Schematic file p.15
481-02-002 Cue Osc Re-Entry Module Schematic U file
481-02-002 Cue Osc Re-Entry Module Schematic file
481-04-002 Ekd Oscillator/Cue Amplifier file
481-04-002 Sclo Level Cue Solo Cue Level file p.12
481-04-002 Aux Master Ref Osc AU 3 file
481-06-002 Cue Osc Re-Entry Module Component Layout file p.13
481-06-002 Cue Osc Re-Entry Module Component Layout file
An archive by Anthony Peter Kuzub · WBSps.Kuzub.com · WBSps.ca
generated from M481.md