M8205B — Audio Distribution Amplifier
| Type | product |
| Series | 8200 SERIES |
| Try it | simulator & front panel · download package (zip) |
| Earliest dated evidence | 1995|28 — manual issue date |
| Evidence | "Issue #6 17 May 1995" in WBSps Engineering from H drive-20261018T013433Z-1-001/WBSps Engineering from H drive/WBSps - Word Perfect Manuals/M8205B#6.WP |
| Confidence | high |
| All years found | 1995|28 |
| Used in jobs | 93021 (1993|26), WBSStSeriesStereoConsole |
| Variants | M8205, M8205W |
| Folder | Products/8200 SERIES/M8205B |
Connections
What it is made of and what it is part of.
Pinout & connections
Each contact as its own documents name it: 7 named (7 medium confidence). An empty slot is a contact no page names. Hover a contact for its source; the table under the drawing lists them.
pinout (SVG) · connections (SVG) · pins (JSON)
Pin evidence — 7 contacts
| Pin | Signal | Kind | Confidence | Read from | Source |
|---|---|---|---|---|---|
| A | INPUT SIGNAL TO THE AMPLIFIER | audio in | medium | prose | 1995 - M8205B - 8205-02-003 - COMPONENT LAYOU…, p. 1 “CIRCUIT DESCRIPTION M8205B AUDIO DISTRIBUTION AMPLIFIER Input The input signal to the amplifier is applied at connector pins 1 & A, and the…” |
| 1 | INPUT SIGNAL TO THE AMPLIFIER | audio in | medium | prose | 1995 - M8205B - 8205-02-003 - COMPONENT LAYOU…, p. 1 “CIRCUIT DESCRIPTION M8205B AUDIO DISTRIBUTION AMPLIFIER Input The input signal to the amplifier is applied at connector pins 1 & A, and the…” |
| B | INPUT SIGNAL TO THE AMPLIFIER | audio in | medium | prose | 1995 - M8205B - 8205-02-003 - COMPONENT LAYOU…, p. 1 “CIRCUIT DESCRIPTION M8205B AUDIO DISTRIBUTION AMPLIFIER Input The input signal to the amplifier is applied at connector pins 1 & A, and the…” |
| P | ±22 VOLT DC SUPPLY BUS VOLTAGES | power rail | medium | prose | 1995 - M8205B - 8205-02-003 - COMPONENT LAYOU…, p. 1 “Power Supply Decoupling The ±22 volt DC supply bus voltages appearing at the amplifier connector pins 15 & S and 13 & P are isolated from t…” |
| 13 | ±22 VOLT DC SUPPLY BUS VOLTAGES | power rail | medium | prose | 1995 - M8205B - 8205-02-003 - COMPONENT LAYOU…, p. 1 “Power Supply Decoupling The ±22 volt DC supply bus voltages appearing at the amplifier connector pins 15 & S and 13 & P are isolated from t…” |
| S | ±22 VOLT DC SUPPLY BUS VOLTAGES | power rail | medium | prose | 1995 - M8205B - 8205-02-003 - COMPONENT LAYOU…, p. 1 “Power Supply Decoupling The ±22 volt DC supply bus voltages appearing at the amplifier connector pins 15 & S and 13 & P are isolated from t…” |
| 15 | ±22 VOLT DC SUPPLY BUS VOLTAGES | power rail | medium | prose | 1995 - M8205B - 8205-02-003 - COMPONENT LAYOU…, p. 1 “Power Supply Decoupling The ±22 volt DC supply bus voltages appearing at the amplifier connector pins 15 & S and 13 & P are isolated from t…” |
Pictures
1995 - M8205B - 001.jpg
1995 - M8205B - 003.jpg
1995 - M8205B - file.jpg
1993 - 93021-01-001 - TTC EVALUATION PACKAGE FUNCTIONAL - DRN PA - ENG PA - ISS 1.jpg
19xx - DOC - INPUT OUTPUT MON INPUT MON CUE SPEAKER TRANSFCRMERS.jpg
1995 - M8205 - Distribution Amp 001.jpg
1995 - M8205 - Distribution Amp 002.jpgDates found in the documents
| Year | Kind | Text | File |
|---|---|---|---|
| 1995|28 | manual issue date | Issue #6 17 May 1995 |
1995 - M8205B - 8205-02-003 - COMPONENT LAYOUT.wp |
Documents (1)
| Year | File | |
|---|---|---|
| 1995|28 | 1995 - M8205B - 8205-02-003 - COMPONENT LAYOUT.wp | note |
Photos & scans (3)
| Year | File | |
|---|---|---|
| 1995|28 | 1995 - M8205B - 001.jpg | note |
| 1995|28 | 1995 - M8205B - 003.jpg | note |
| 1995|28 | 1995 - M8205B - file.jpg | note |
Sub-assemblies & parts used (1)
| Item | What | Family | Year | How we know |
|---|---|---|---|---|
| SA14-265 | Circuit boards (SA14-nnn) | named in its manual |
Parts list — board M8205B#6 (15 parts)
From M8205B#6.WP; also in timelines/data/bom.csv.
| Ref | Part | Value | Manufacturer | Mfr part no. |
|---|---|---|---|---|
| C1 | Capacitor | 220 uF/10 V | Kemet | T390F227M010AS |
| Q1 | Transistor | National | 2N4401 | |
| R1 | Resistor 1/4W 1% | 16K2 | Philips | MR25 F |
| R9 | Potentiometer | 5K | Bourns | 3006P 5K |
| R10 | Resistor | 1/4W 1% | 8K25 | Philips MR25 F |
| R14 | Potentiometer | 5K | Clarostat | 10-065 |
| R15 | Resistor | 1/4W 5% | 15K | Philips CR25 |
| R19 | Potentiometer | 100K | Bourns | 3006P 100K |
| R20 | Resistor | 1/4W 5% | 22K | Philips CR25 |
| R24 | Resistor | 1/4W 5% | 5K6 | Philips CR25 |
| R36 | Potentiometer | 100K | Bourns | 3006P 100K |
| R37 | Resistor | 1/4W 5% | 47K | Philips CR25 |
| U1 | Integrated Circuit | National | LM833N | |
| U1-U4 | 8 Pin Dip Socket | Amp | 640463-3 | |
| R14 | Knob (Black) | Elma | 021-2225 (optional) |
Consoles & jobs it is connected to (2)
Their own drawings name this module.
| Job | Year | Drawing | Page |
|---|---|---|---|
| 93021 | 1993|26 | 1993 - 93021-01-001 - TTC EVALUATION PACKAGE FUNCTIONAL - DRN PA - ENG PA - ISS 1.jpg | 1 |
| WBSStSeriesStereoConsole | 1985 - ST - ward beck systems st console installation.pdf | 13 |
Named in other drawings & documents (16)
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.
General description (1)
Description — 38 words · 1995 - M8205B - 8205-02-003 - COMPONENT LAYOUT.wp, page 1
MFG MFG PART NUMBER
PCB Printed Circuit Board WBS 14-310
U1-U4 8 Pin Dip Socket Amp 640463-3
R14 Knob (Black) Elma 021-2225 (optional) Cap (Grey) " 040-1615 (optional)
M8205B
AUDIO DISTRIBUTION AMPLIFIER Issue #6 17 May 1995 MW94001/M8205B#6.WP
- source: 1995 - M8205B - 8205-02-003 - COMPONENT LAYOUT.wp, p. 1