M413 — Talkback Amplifier
| Type | module |
| Category | MONITORING |
| Try it | simulator & front panel · download package (zip) |
| Earliest dated evidence | 1969|2 — title-block date |
| Evidence | "DATE NOv 69" in WBS Photos-1-001/Scan_20210323 (11).jpg |
| Confidence | high |
| All years found | 1969|2, 1978|11 |
| Used in jobs | 77012 (1977|10) |
| Folder | Modules/MONITORING/M413 |
Connections
What it is made of and what it is part of.
Pinout & connections
Pictures
1969 - 413-03-001 - ESCUTCHEON - ISS 5.jpg
1969 - 413-03-002 - SWITCH MTG. PLATE - ISS 3.jpg
1978 - M413 - 168-06-001 - TALK BACK AMPLIFIER LAYCUT RACT.jpg
1969 - M413 - 413-02-001 - TALK BACK AMPLIFIER.jpg
1969 - M413 - 413-02-002 - TALK BACK AMPLIFIER SYSTEM WIRING FRACT.jpg
1969 - M413 - 413-02-003 - TALK BACK AMPLIFIER PLUG CONNECTIONS FRACT.jpg
1969 - M413 - IMG_0261.jpg
1969 - M413 - IMG_0262.jpg
1969 - M413 - IMG_0263.jpg
1969 - M413 - IMG_0265.jpg
1969 - M413 - IMG_0266.jpg
1969 - M413 - IMG_0267.jpg
1969 - M413 - IMG_0268.jpg
1969 - M413 - IMG_0269.jpg
1969 - M413 - IMG_0271.jpg
1969 - M413 - IMG_0272.jpg
1969 - M413 - IMG_0273.jpg
1969 - M413 - P1.jpg
1969 - M413 - P2.jpg
1969 - M413 - P3.jpg
1969 - M413 - P4.jpg
1969 - M413 - P5.jpg
1969 - M413 - wbsps - module - m413 - talk back module 002.jpg
1969 - M413 - wbsps - module - m413 - talk back module 002_small.jpg
1969 - M413 - wbsps - module - m413 - talk back module.jpg
1969 - M413 - wbsps - module - m413 - talk back module_small.jpg
1970 - 413-02-001 - TALK BACK AMPLIFIER SCHEMATIC - DRN DPS - ISS 4 (2).jpg
1970 - 413-02-001 - TALK BACK AMPLIFIER SCHEMATIC - DRN DPS - ISS 4.jpg
1970 - 413-02-002 - TALK BACK AMPLIFIER SYSTEM WIRING - DRN DPS - ISS 2.jpg
1970 - 413-02-003 - TALK BACK AMPLIFIER PLUG CONNECTIONS - DRN DPS - ISS 2.jpg
19xx - M413 - Manual Index M413 Talkback Module.jpg
1977 - 77012 - b (3).jpg
1970 - 168-06-001 - M413 TALK BACK AMPLIFIER LAYOUT - DRN DPS - ISS 2.jpgDates found in the documents
| Year | Kind | Text | File |
|---|---|---|---|
| 1969|2 | title-block date | DATE NOv 69 |
1969 - 413-03-001 - ESCUTCHEON - ISS 5.jpg |
| 1969|2 | month & year | NOv - 69 |
1969 - 413-03-002 - SWITCH MTG. PLATE - ISS 3.jpg |
| 1978|11 | month & year | FEB. 1978 |
1978 - M413 - 168-06-001 - TALK BACK AMPLIFIER LAYCUT RACT.jpg |
Physical manual inventory
| Item | Location | Status | Scanned |
|---|---|---|---|
| WB | Scanned |
Photos & scans (31)
Parts list — board M413 (28 parts)
From 1969 - M413 - P5.jpg, page 1 (scanned); also in timelines/data/bom.csv.
| Ref | Part | Value | Manufacturer | Mfr part no. |
|---|---|---|---|---|
| M413 | Talkback Module | |||
| R31 | Philips Al1 Resistors | 4 .7k | ||
| R33 | Ohmite unless specified | 75 | ||
| R34 | Factory Select otherwise_ | |||
| SW1 | Momentary T/B Switch 4c Grigsby A133 | |||
| C2 | mfd 2OV Kemet KlOOE 20 | 100 | ||
| C3 | pfd 63V Philips | 10 | c333BB /NlOE | |
| C4 | mfd 20V Kemet | 47 | K47E2O | |
| C5 | mfd 20V Kemet KlOOE 20 | 100 | ||
| C6 | pfd loov Erie | 1500 | 8121-100-WSRO-152K | |
| C7 | pfd 63V Philips | 47 | c333BB/C47E | |
| C8 | l0 pfd Philips | 63V | C333BB /NlOE | |
| C9 | mfd Kemet | 35V | KlE35 | |
| C12 | pfa 10OV Erie | 6800 | 8121-1oo-WSRO-682J | |
| C13 | pfd 10OV Erie | 220 | 8lol-LOo-WSRO-221K | |
| C14 | mfd 25V Kemet KlO E 25 | 10 | ||
| C15 | mfd lOOv Philips | 047 | C344AB/A47K | |
| C16 | mfd 25v Kemet KlO E 25 | 10 | ||
| C17 | mfd 20v Kemet K22 E 20 | 22 | ||
| C18 | pfd 63v Philips | 47 | c333BB/C47E | |
| C19 | pfd 1OOv Erie | 1500 | 8121-1Oo-WSRO-152K | |
| C20 | pfd 63V Philips | 47 | c333BB/C47E | |
| C21 | pfd 1OOV Erie | 1500 | 8121-1OO-WSRO-152K | |
| C22 | mfd 20V Kemet K47 E 20 | 47 | ||
| C23 | mfd 20v Kemet K47 E 20 | 47 | ||
| C24 | mfd 20v Kemet KlOO 20 | 100 | ||
| CR7 | Zener Diode Motorola | IN753-A | ||
| CR8 | Diode Fairchild | FD444 |
Consoles & jobs it is connected to (1)
Their own drawings name this module.
| Job | Year | Drawing | Page |
|---|---|---|---|
| 77012 | 1977|10 | 1977 - 77012 - b (3).jpg | 1 |
Named in other drawings & documents (4)
Drawings (11)
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.
Talk Back Amplifierviewer
Talk Back Amplifier System Wiring Fractviewer
Talk Back Amplifier Plug Connections Fractviewer
M413 TALK BACK AMPLIFIER / SCHEMATICviewer
M413 / TALK BACK AMPLIFIER / SCHEMATICviewer
M413 / TALK BACK AMPLIFIER / SYSTEM WIRINGviewer
M413 / TALK BACK AMPLIFIER / PLUG CONNECTIONSviewer
Talk Back Amplifier Laycut Ractviewer
ESCUTCHEONviewer
SWITCH MTG. PLATEviewer
Manual Index M413 Talkback Moduleviewer
Read from the drawing title blocks.
| Drawing | Title | Date | Drawn by | Checked by | Iss. | Source |
|---|---|---|---|---|---|---|
| B 413-03-001 | ESCUTCHEON | 1969|2 | 5 | file | ||
| B 413-03-002 | SWITCH MTG. PLATE | 1969|2 | 3 | file | ||
| B 413-02-001 | M413 / TALK BACK AMPLIFIER / SCHEMATIC | 1970|3 | DPS | 4 | file | |
| B 413-02-001 | M413 TALK BACK AMPLIFIER / SCHEMATIC | 1970|3 | DPS | 4 | file | |
| B 413-02-002 | M413 / TALK BACK AMPLIFIER / SYSTEM WIRING | 1970|3 | DPS | 2 | file | |
| B 413-02-003 | M413 / TALK BACK AMPLIFIER / PLUG CONNECTIONS | 1970|3 | DPS | 2 | file | |
| — | Manual Index M413 Talkback Module | file | ||||
| 168-06-001 | Talk Back Amplifier Laycut Ract | 2 | file | |||
| 413-02-001 | Talk Back Amplifier | file | ||||
| 413-02-002 | Talk Back Amplifier System Wiring Fract | file | ||||
| 413-02-003 | Talk Back Amplifier Plug Connections Fract | 2 | file |