M8207
| Type | module |
| Category | DYNAMICS |
| Try it | simulator & front panel · download package (zip) |
| Earliest dated evidence | 1995|28 — manual issue date |
| Evidence | "Issue #1 December 6, 1995" in WBSps Engineering from H drive-20261018T013433Z-1-002/WBSps Engineering from H drive/WBSps - Word Perfect Manuals/M8207.WP |
| Confidence | high |
| All years found | 1995|28, 1996|29 |
| Folder | Modules/DYNAMICS/M8207 |
Front panel
Pinout & connections
Each contact as its own documents name it: 5 named (5 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 — 5 contacts
| Pin | Signal | Kind | Confidence | Read from | Source |
|---|---|---|---|---|---|
| K | INPUT SIGNAL | audio in | medium | prose | 1995 - M8207 - 8207-02-001 - COMPONENT LAYOUT…, p. 1 “M8206 Matrixing Audio Distribution Amplifier M8208 Remote Level Amplifier Input The input signal is applied to pins 9 and K, with the input…” |
| 9 | INPUT SIGNAL | audio in | medium | prose | 1995 - M8207 - 8207-02-001 - COMPONENT LAYOUT…, p. 1 “M8206 Matrixing Audio Distribution Amplifier M8208 Remote Level Amplifier Input The input signal is applied to pins 9 and K, with the input…” |
| L | INPUT SIGNAL | audio in | medium | prose | 1995 - M8207 - 8207-02-001 - COMPONENT LAYOUT…, p. 1 “M8206 Matrixing Audio Distribution Amplifier M8208 Remote Level Amplifier Input The input signal is applied to pins 9 and K, with the input…” |
| S | ±22 VOLT DC SUPPLY BUS VOLTAGES | power rail | medium | prose | 1995 - M8207 - 8207-02-001 - COMPONENT LAYOUT…, 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 th…” |
| 15 | ±22 VOLT DC SUPPLY BUS VOLTAGES | power rail | medium | prose | 1995 - M8207 - 8207-02-001 - COMPONENT LAYOUT…, 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 th…” |
Pictures
1995 - M8207 - audio compressor - limiter 001.jpg
1995 - M8207 - audio compressor - limiter 002.jpg
1995 - M8207 - audio compressor - limiter 003.jpgDates found in the documents
| Year | Kind | Text | File |
|---|---|---|---|
| 1995|28 | manual issue date | Issue #1 December 6, 1995 |
1995 - M8207 - 8207-02-001 - COMPONENT LAYOUT.wp |
Documents (1)
| Year | File | |
|---|---|---|
| 1995|28 | 1995 - M8207 - 8207-02-001 - COMPONENT LAYOUT.wp | note |
Photos & scans (3)
| Year | File | |
|---|---|---|
| 1995|28 | 1995 - M8207 - audio compressor - limiter 001.jpg | note |
| 1995|28 | 1995 - M8207 - audio compressor - limiter 002.jpg | note |
| 1995|28 | 1995 - M8207 - audio compressor - limiter 003.jpg | note |
Parts list — board M8207 (36 parts)
From M8207.WP; also in timelines/data/bom.csv.
| Ref | Part | Value | Manufacturer | Mfr part no. |
|---|---|---|---|---|
| C1 | Capacitor | SOT | ||
| C40 | Capacitor | 22 pF | Philips | 638-10229 |
| CR1-CR7 | Diode | Motorola | 1N4148 | |
| DS1 | LED, Red | Dialight | 555-2001 | |
| DS2 | LED, Green | " | 555-2301 | |
| Q1 | Transistor, NPN | National | 2N3904 | |
| Q3 | delete | |||
| Q4 | Transistor | " | 2N6731 | |
| Q6, Q7 | delete | |||
| R1 | Resistor | 1/4W 1% | 16K2 | Philips MRS25F |
| R6 | Potentiometer | 5K | Piher | PT10V-5K |
| R7 | Resistor | 1/4W 1% | 75 | Philips MRS25F |
| R13 | Potentiometer | 5K | Piher | PT10H-5K |
| R14 | Resistor | 1/4W 5% | 13K | Philips CR25 |
| R16 | Potentiometer | 20K | Piher | PT10V-20K |
| R18 | Resistor | 1/4W 5% | 240K | Philips CR25 |
| R21 | Resistor | 1/4W 5% | 180 | Philips CR25 |
| R26 | Resistor | 1/4W 1% | 75 | Philips MRS25F |
| R29 | Potentiometer | 5K | Piher | PT10V-5K |
| R31 | Resistor | 1/4W 1% | 4K75 | Philips MRS25F |
| R48 | Potentiometer | 2K | Piher | PT10V-2K |
| R56 | Potentiometer | 2K | Piher | PT10V-2K |
| R57 | Resistor | 1/4W 5% | 20K | Philips CR25 |
| R60 | Potentiometer | 2K | Piher | PT10V-2K |
| R65 | Resistor | 1/4W 1% | 1K | Philips MRS25F |
| R68 | Potentiometer | 5K | Piher | PT10V-5K |
| R69 | delete | |||
| R70 | Resistor | 1/4W 5% | 0 | Philips CR25 |
| R74 | delete | |||
| R75 | Resistor | 1/4W 1% | 2K | Philips MRS25F |
| R78 | Resistor | 1/4W 5% | 1K | " CR25 |
| R85 | Resistor | 1/2W 5% | 2R2 | Philips SFR25 HJ |
| R103 | Resistor | 1/4W 1% | 6K81 | " MRS25F |
| U1 | Integrated Circuit | National | LM833N | |
| U1, U3-U5 | 8 Pin Socket | Amp | 640463-3 | |
| U6, U7 | 14 Pin Socket | " | 640357-3 |
Named in other drawings & documents (6)
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 — 49 words · 1995 - M8207 - 8207-02-001 - COMPONENT LAYOUT.wp, page 1
MFG MFG PART NUMBER
PCB Printed Circuit Board WBS 14-278
U1, U3-U5 8 Pin Socket Amp 640463-3
U6, U7 14 Pin Socket " 640357-3 WBS recommends the use of replacement parts made by the specified manufacturers for continued optimum equipmentt performance.
M8207
COMPRESSOR/LIMITER Issue #1 December 6, 1995 MW94002/M8207.WP
- source: 1995 - M8207 - 8207-02-001 - COMPONENT LAYOUT.wp, p. 1