M405C — Rack Mounted Extended Range VU Meter
| Type | module |
| Category | METER |
| Try it | simulator & front panel · download package (zip) |
| Earliest dated evidence | 1975|8 — title block date |
| Evidence | "2 MAY 75" on 1975 - 5-108-06-001 - PCB 5-108 COMPONENT LAYOUT - DRN REB - ISS 2.jpg |
| Confidence | high |
| All years found | 1975|8 |
| Variants | M405, M405D, M405F, M405M, M405P, M405PSS |
| Folder | DOCUMENTS/wbsPS-NOT UPLOADED |
| Folder | Modules/AMPLIFIERS/M600 |
| Folder | Modules/AMPLIFIERS/M604 |
Connections
What it is made of and what it is part of.
Pictures
1975 - M405C - PRICE LIST - PRICE LIST.jpg
1975 - 5-108-06-001 - PCB 5-108 COMPONENT LAYOUT - DRN REB - ISS 2.jpg
1975 - M405C - $_57-1.jpg
1975 - M405C - $_57-2.jpg
1975 - M405C - $_57-3.jpg
1975 - M405C - $_57-4.jpg
1975 - M405C - $_57-5.jpg
1975 - M405C - $_57-6.jpg
1975 - M405C - $_57-7.jpg
1975 - M405C - $_57-8.jpg
1975 - M405C - $_57-9.jpg
1975 - M405C - $_57.jpg
1975 - M405C - 142-06-001 - PLACES GIVEN ANGLES.jpg
1975 - M405C - 405-02-001.jpg
1975 - M405C - 405-02-005 - EXTERNAL JACKS ARE NOT USED CONNECT.jpg
1975 - M405C - 405-02-005 - TERMINATION SWIOL DSIO.jpg
1975 - M405C - 405-04-006 - CCAIP MENT LAYOUT.jpg
1975 - M405C - 405-04-006 - EXT PANGE.jpg
1975 - M405C - 5-108-02-001 - ILSS MOD.jpg
1975 - M405C - 5-108-02-001.jpg
1975 - M405C - 5-108-06-001 - COMPONENT LAYOUT (2).jpg
1975 - M405C - 5-108-06-001 - COMPONENT LAYOUT.jpg
1975 - M405C - P1.jpg
1975 - M405C - P2.jpg
1975 - M405C - P3.jpg
1975 - M405C - P4.jpg
1975 - M405C - P5.jpg
1975 - M405C - P6.jpg
1975 - M405C - P7.jpg
1975 - M405C - P8.jpg
1975 - M405C - P9.jpg
1975 - M405C - vintage 1.jpg
1975 - M405C - vintage 10.jpg
1975 - M405C - vintage 2.jpg
1975 - M405C - vintage 3.jpg
1975 - M405C - vintage 4.jpg
1975 - M405C - vintage 5.jpg
1975 - M405C - vintage 6.jpg
1975 - M405C - vintage 7.jpg
1975 - M405C - vintage 8.jpg
1975 - M405C - vintage 9.jpg
19xx - M405C - M 405C Extended Range VU Meter Instruction Manual.jpg
1975 - 405-03-023 - TRIM STRIP M405C - DRN G. Young - ISS 3.jpg
1975 - 405-03-027 - SPACER M405C - DRN G. Young - ISS 3.jpgPrice history
| Year | Kind | Price | Listed as | Effective | Source |
|---|---|---|---|---|---|
| 1975|8 | list price | 425.00 USD | Rack Mounted Extended Range VU Meter | May 1975 | source |
Dates found in the documents
Physical manual inventory
| Item | Location | Status | Scanned |
|---|---|---|---|
| M405C | Recently scanned and stiched by WB |
Photos & scans (66)
Sub-assemblies & parts used (1)
| Item | What | Family | Year | How we know |
|---|---|---|---|---|
| 5-108 | Component Layout | Sub-assemblies (n-nnn) | 1975|8 | drawing filed with it |
Parts list — board 5-108 (44 parts)
From 1975 - M405C - P9.jpg, page 1 (scanned); also in timelines/data/bom.csv.
| Ref | Part | Value | Manufacturer | Mfr part no. |
|---|---|---|---|---|
| R6 | Phi Tips | 220 | ||
| R8 | IK Potentiometer Piher PTIOV | |||
| R9 | Phi] ips | 330 | ||
| R10 | Philips | 3K | ||
| R12 | Phi lips | 15K | ||
| R14 | Potentiometer Piher PTIOV | 20K | ||
| R15 | Phi ]ips | 10K | ||
| R16 | Philips | 22K | ||
| R17 | Potentiometer Piher PTiOV | 20K | ||
| R18 | 1O0K Phi] ips | |||
| R19 | MEG Phi ]ips | 22 | ||
| R20 | Phiips | 4K7 | ||
| R21 | Phi lips | 47K | ||
| R22 | Philips | 10K | ||
| R23 | Philips | 10K | ||
| R24 | Phi lips | 75 | ||
| R25 | Phi Tips | 100K | ||
| R26 | Phi lips | 24 | ||
| R27 | Philips | 24 | ||
| R28 | Philips | 3K9 | ||
| R29 | Phi lips | 56K | ||
| R30 | Phi lips | 620 | ||
| R31 | Ph i ips | 24K | ||
| R32 | Philips | 2K4 | ||
| R33 | Phi lips | 15 | ||
| R34 | Phi lips | 1K | ||
| R35 | Potentiometer Piher PTIOV | 500 | ||
| C1 | 10 mfd, Tantalum Kemet | 25V | T39OC1O6K025AS | |
| C12 | mfd, 25V Electrolytic Siemens | 47 | B4 1283-45476-T | |
| C15 | pfd Philips | 47 | 2222-638-70479 | |
| C16 | 2200 pfd, Polyester Aselco | cQ92-MC-222M | ||
| C17 | 470 mfd, 4OV Electrolytic Siemens | B4 1010-B5477-T | ||
| CR1 | Diode Fairchi ld | 1N9 14 | ||
| CR2 | Diode Fairchild | 1N9 14 | ||
| CR3 | Diode Fairchi ld | 1N9 14 | ||
| CR6 | Zener Diode IR | 3.3V | 1N746A | |
| CR7 | Diode IR | 1N4003 | ||
| CR8 | Diode IR | 1N4003 | ||
| R3 | speci fied. Philips | 4K3 | ||
| R5 | 1OK Philips | |||
| R7 | Philips | 15K | ||
| R11 | Ph ilips | 24K | ||
| R2 | Philips | 47K | ||
| Z1 | Integrated Circuit National | LM 376N |
Parts list — board 7-140 (21 parts)
From 1975 - M405C - P7.jpg, page 1 (scanned); also in timelines/data/bom.csv.
| Ref | Part | Value | Manufacturer | Mfr part no. |
|---|---|---|---|---|
| M405C | EXTENDED RANGE VU METER | |||
| C101 | mfd, 250 volt Phi lips | 2 .2 | 281AB2A2M2 | |
| C102 | mfd, 250 volt Phi Tips | 2 . 2 | 28 1AB2A2M2 | |
| C103 | Pfd AEC | 1000 | cQ92-MC- 100- 102M | |
| DS101 | Neon Camb Alco | BNF _ 2 | ||
| DS102 | DC mA Lamp Eldema | 28V | CFO3-WTS-2187 | |
| DS103 | DC 40 mA Lamp E ldema | 28V | CFO3-WTS-2187 | |
| F101 | 0.5ASB Littelfuse | 313.500 | ||
| F102 | 0:25A Littelfuse | 312.250 | ||
| J101 | Te lephone Jack ADC 239A | |||
| J102 | Te lephone Jack ADC 239A | |||
| J103 | Te lephone Jack ADC 239A | |||
| R102 | 1/4W 5% Philips | 33K | ||
| R103 | Potentiometer Schallco | 25K | 740A-204-25K-A388 | |
| R104 | Dale | 75 3w | RS3B-75 | |
| R105 | 1/4W 5% Philips | 150K | ||
| SW101 | Spdt. Switch C & K | 7101 | ||
| T101 | Input Transformer Hammond | 832 | ||
| T102 | Power Transformer Hammond | 166F36 | ||
| M101 | VU Meter Bach- | 544 | ||
| R101 | 3W Dale | 600 | RS3B-600 |
Named in other drawings & documents (2)
| File | Page |
|---|---|
| 1975 - 405-03-023 - TRIM STRIP M405C - DRN G. Young - ISS 3.jpg | 1 |
| 1975 - 405-03-027 - SPACER M405C - DRN G. Young - ISS 3.jpg | 1 |
From the manuals
Each manual split into its sections. Text that is the same in many Ward-Beck manuals (warranty, address, standard notes) is kept once on the Boilerplate page and linked.
Parts list (text) (4)
Parts List — 205 words · 1975 - M405C - P8.jpg, page 1
DESIGN DESCRIPTI ON MFG PART NUMBER 0.33 mfd, 100v 100 mfd, 15V Electrolytic 22 mfd, 25V Tantalum 22 mfd, 25V Tantalum mfd Philips Siemens Kemet Kemet Philips Phi1 ips Phil ips Phi lips Philips Philips 344CHA330K B4 128 1- C4 107-$ T390226025AS T390226025AS 344CHA1OOK 8 mfd mfd 85 mfd 10 pfd 10 10 Pfd C1 10 mfd, 25V Tantalum C12 47 mfd, 25V Electrolytic C1 % 4700 pfd, Polyester C1 100 mfd, 25V Electrolytic C15 47 pfd C16 2200 pfd, Polyester C17 470 mfd, 4OV Electrolytic 344CHA1O0K 344CHAI00K 344CHA i00K 2222-638-10109 2222-638- 10109 Kemet Siemens Aselco Siemens Philips T39OC1O6K025AS B4 1283-45476-T cQ92-MC-472M B4 1283- B51O7- T 2222-638-70479 Aselco Siemens cQ92-MC-222M B4 1010-B5477-T CR1 CR2 CR3 CRL CRS Diode Diode Diode Diode Zener Diode 3.3V Fairchi ld Fairchild Fairchi ld Fairchi ld IR 1N9 14 1N9 14 1N9 14 1N914 1N746A CR6 CR7 CR8 Zener Diode 3.3V Diode Diode IR IR IR 1N746A 1N4003 1N4003 Transistor Fet P Channe] Transistor PNP Transistor NPN Transistor NPN Transistor PNP Fairchild Motorola Motorola Motorola Motorola 2N5163 2N5087 2N4401 2N44o1 2N5087 8 85 Rz R3 Transistor NPN Transistor PNP Motorola Motorola 2N4401 2N5087 1K MEG S.0.TS 4K3 10K A11 resistors #W; 5% unless otherwise speci fied.
Philips Philips Philips Philips
- source: 1975 - M405C - P8.jpg, p. 1
Parts List — 203 words · 1975 - M405C - vintage 9.jpg, page 1
DES IGN DESCR/ PTION MFG PART NUMBER 0.33 mfd; 100v 100 mfd, 15V Electrolylic 22 mfd, 25V Tantalum 22 mfd, 25V Tantalum mfd Philips Siemens Kemet Kemet Philips 344CHA330K B4 1281- C4 107-'$ T390226025AS T390226025AS 344CHA 1O0K 8 mfd mfd { mfd 10 pfd C 10 pfd C1 10 mfd 25V Tantalum C12 47 mfd, 25V Electrolytic 81z 4700 pfd, Polyester 100 mfd; 25V Electrolytic C15 47 pfd C16 2200 pfd; Polyester C17 470 mfd, 40V Electrolytic CR1 Diode CR2 Diode CR3 Diode CRL Diode CRS Zener Diode 3.3v Philips Philips Phiips Philips Phflips 344CHA1OOK 344CHA100K 344CHA1ook 2222-638-10109 2222-6 38 - 10109 Kemet Siemens Aselco S iemens PhiTips Aselco Siemens T390C106K025AS B4 1283-A5476- T cQ92-Mc-472M B4 1283- B5107-T 2222-638-70479 CQ92-MC-222M Bl 1010- B5477-T Fairchild Fairchild Fairchild Fairchild IR 1N9 14 IN9 14 1N9 14 N914 1N7464 CR6 CRZ CR8 Zener Diode 3.3V jode Diode IR TR IR 1N7464 N+oo3 1N4003 Transistor Fet P Channe Transistor PNP Transistor NPN Trans stor NPN Transistor PNP Fairchild Motorola Motorola Motorola Motorola 2N5163 2N5087 2N4401 2N4401 2N5087 3 85 Rz RZ R5 Transistor NPN Transistor PNP Motorola Motorola 2Nl401 2N5087 IK MEG S.0.T_ 4K3 1OK AI1 resistors #W, 57 unless otherwise spec ified_ Philips Philips Philips Philips
- source: 1975 - M405C - vintage 9.jpg, p. 1
Parts List — 143 words · 1975 - M405C - vintage 10.jpg, page 1
DES IGN DESCR PTI ON MFG PART NUMBER R6 R7 R8 R9 R10 220 15K 1K Potent i ome ter 330 3K Philips Philips Piher Phi] ips Phi]ips PTIOV R11 R12 R13 R14 R15 24K 15K S.0.T_ 20K Potentiometer 10K Ph ilips Phi 1ips Piher Phi]ips Ph i Tips Piher Philips Ph i ] ips Philips PTIOV R16 R17 R18 R19 R20 22K 20k Potentiometer 100K 22 MEG 4K7 PTIOV R2 R22 R23 R24 R25 47K 10K 10K 75 1O0K Philips Philips Ph i lips Phi lips Phi ips R26 R27 R28 R29 R30 24 24 3K9 56K 620 Ph i ]ips Philips Phi lips Phi lips Phi ips R31 R32 R33 R34 R35 24K 2K4 15 1K 500 Potentiometer Phi ips Phi ips Phi lips Phi lips Piher PTOV Z1 Integrated Circuit National LM 376N Printed Circuit Board WB S 5- 108
- source: 1975 - M405C - vintage 10.jpg, p. 1
- also in: 1975 - M405C - P9.jpg, p. 1
Drawings (12)
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.
1975 - M405C - 405-02-001viewer
External Jacks Are Not Used Connectviewer
Termination Swiol Dsioviewer
Ilss Modviewer
1975 - M405C - 5-108-02-001viewer
Places Given Anglesviewer
Component Layoutviewer
Component Layoutviewer
M405C / PCB 5-108 COMPONENT LAYOUTviewer
Ccaip Ment Layoutviewer
Ext Pangeviewer
M 405C Extended Range VU Meter Instruction Manualviewer
Read from the drawing title blocks.
| Drawing | Title | Date | Drawn by | Checked by | Iss. | Source |
|---|---|---|---|---|---|---|
| 405-02-005 | Termination Swiol Dsio | 1975|8 | DM | file | ||
| 405-02-005 | External Jacks Are Not Used Connect | 1975|8 | DM | file | ||
| 5-108-02-001 | 1975|8 | REB | file | |||
| 5-108-02-001 | Ilss Mod | 1975|8 | REB | file | ||
| 5-108-06-001 | Component Layout | 1975|8 | REB | 2 | file | |
| 5-108-06-001 | Component Layout | 1975|8 | REB | file | ||
| B 5-108-06-001 | M405C / PCB 5-108 COMPONENT LAYOUT | 1975|8 | REB | 2 | file | |
| — | M 405C Extended Range VU Meter Instruction Manual | file | ||||
| 142-06-001 | Places Given Angles | MRW | GF | file | ||
| 405-02-001 | file | |||||
| 405-04-006 | Ext Pange | REB | file | |||
| 405-04-006 | Ccaip Ment Layout | ZEB | file |