Diff: Dorrough Electronics
Differences between current version and predecessor to the previous major change of Dorrough Electronics.
Other diffs: Previous Revision, Previous Author
| Newer page: | version 43 | Last edited on 3 May 2024 3:34 | by harold | |
| Older page: | version 8 | Last edited on 21 July 2021 20:55 | by harold | Revert | 
@@ -3,16 +3,31 @@
  
  
  
  
 * http://www.dorrough.com - Dorrough website. 
 * https://www.dorrough.com/Usermanuals2.html - Manual archive. 
 * [Dorrough Legacy Product Documentation|http://www.dorrough.com/dorrough/techdoc/user_guides/userguides2.html] 
+* [40-A|Upload:harold/Dorrough40a.pdf.pdf] Loudness Monitor.
 
+* [40-A Tech Manual|Upload:harold/Tech Man 40A-85--2a-.pdf] - Also covers 40-B, 10-A(B), 12-A(B), 20-A(B), 21-A(B)
 
+* [1200|Upload:harold/Tech Man Test Set 1200-89--1b-.pdf] Stereo Test Set.
 
 * [DAP310|Upload:DorroughDap310.pdf] Discriminate Audio Processor. 1973 
   * [Power Supply Update|Upload:DorroughDap310update.pdf] replaces diode reference with single chip regulator. 
   * [1977 Manual|Upload:HaroldHallikainen/Dorrough%20DAP-310%20Manual.pdf], scanned by Mike Phillips. 16MB 
+  * [1978 Manual|Upload:harold/DorroughDap310_78.pdf]
 
 * DAP610 Discriminate Audio Processor. 1982 
   * [DAP610 Manual|Upload:harold/DorroughDap610.pdf] 
   " [Upload:HaroldHallikainen/610A-thumbl.jpg]<br> 
     Image from WA3VJB.   [Full Size|Upload:HaroldHallikainen/610A-Full.jpg] 
-
+* [Schematic PC Board #111-404-|Upload:harold/Schematic 40A-85--3a-.pdf] 
 
+* [Schematic Peak Hold Circuit PC Board 110-404-|Upload:harold/Peak-Hold Schematic-85--4a-.pdf] 
 
+* [Revised Meter Calibration Procedure (Series-1 Only!)|Upload:harold/Calibration Proc-Series1--85--5a-.pdf] 
 
+* [Schematic For PC Board 154-383-|Upload:harold/Schem PCBoard 154-383--92--7a-.pdf] 
 
+* [Instruction Manual Digital Loudness Meters Models 280 & 380 (Digital Reading Meters)|Upload:harold/Tech Man 280-380 Digital-92--8a-.pdf] 
 
+* [Schematic For PC Board 155-385-|Upload:harold/Schem PCB 155-385--92--9a-.pdf] 
 
+* [Technical Instruction Manual Dorrough Loudness Monitors Models 40-A, B, C2 ~ 10-A, B, C2 ~ 12-A, B, C2 ~ 20-A,B, C2 ~ 240-A, B, C-2 ~ 400-A, B, C2|Upload:harold/Tech Man Loud Mon All -95--10a-.pdf] 
 
+* [Technical Instruction Manual Dorrough Analog & Digital Audio Loudness Meters (Covers All Current Models December 16, 2002)|Upload:harold/Tech Man Loud Mon All-02--12a--3-.pdf] 
 
+* [Schematics For PC Boards: 202-, 204-, 205, & 206|Upload:harold/Model-40 -version 5.pdf] 
 
+* [Instruction Manual RW-100 Remote Control|Upload:harold/Man RW-100 Remote Con-02--15a-.pdf] 
 
+* [Technical Instruction Manual Dorrough Composite Video Luminance Meter Model VLM-40 (NTSC & PAL)|Upload:harold/Man VLM-40 Luminance Meter-93--2b-.pdf] 
 
+* [Technical Instruction Manual For Dorrough Power Line Monitor Model PLM-120|Upload:harold/Man PLM-120 Power Line Meter-98--3b-.pdf]]
 
 <br> 
current version
Dorrough Electronics
 http://www.dorrough.com - Dorrough website. http://www.dorrough.com - Dorrough website.
 https://www.dorrough.com/Usermanuals2.html - Manual archive. https://www.dorrough.com/Usermanuals2.html - Manual archive.
 Dorrough Legacy Product Documentation Dorrough Legacy Product Documentation
 40-A Loudness Monitor. 40-A Loudness Monitor.
 40-A Tech Manual - Also covers 40-B, 10-A(B), 12-A(B), 20-A(B), 21-A(B) 40-A Tech Manual - Also covers 40-B, 10-A(B), 12-A(B), 20-A(B), 21-A(B)
 1200 Stereo Test Set. 1200 Stereo Test Set.
 DAP310 Discriminate Audio Processor. 1973 DAP310 Discriminate Audio Processor. 1973 Power Supply Update replaces diode reference with single chip regulator. Power Supply Update replaces diode reference with single chip regulator.
 1977 Manual, scanned by Mike Phillips. 16MB 1977 Manual, scanned by Mike Phillips. 16MB
 1978 Manual 1978 Manual
 
- DAP610 Discriminate Audio Processor. 1982 - "  - Image from WA3VJB.  Full Size Full Size
 Schematic PC Board #111-404- Schematic PC Board #111-404-
 Schematic Peak Hold Circuit PC Board 110-404- Schematic Peak Hold Circuit PC Board 110-404-
 Revised Meter Calibration Procedure (Series-1 Only!) Revised Meter Calibration Procedure (Series-1 Only!)
 Schematic For PC Board 154-383- Schematic For PC Board 154-383-
 Instruction Manual Digital Loudness Meters Models 280 & 380 (Digital Reading Meters) Instruction Manual Digital Loudness Meters Models 280 & 380 (Digital Reading Meters)
 Schematic For PC Board 155-385- Schematic For PC Board 155-385-
 Technical Instruction Manual Dorrough Loudness Monitors Models 40-A, B, C2  10-A, B, C2  12-A, B, C2  20-A,B, C2  240-A, B, C-2  400-A, B, C2 Technical Instruction Manual Dorrough Loudness Monitors Models 40-A, B, C2  10-A, B, C2  12-A, B, C2  20-A,B, C2  240-A, B, C-2  400-A, B, C2
 Technical Instruction Manual Dorrough Analog & Digital Audio Loudness Meters (Covers All Current Models December 16, 2002) Technical Instruction Manual Dorrough Analog & Digital Audio Loudness Meters (Covers All Current Models December 16, 2002)
 Schematics For PC Boards: 202-, 204-, 205, & 206 Schematics For PC Boards: 202-, 204-, 205, & 206
 Instruction Manual RW-100 Remote Control Instruction Manual RW-100 Remote Control
 Technical Instruction Manual Dorrough Composite Video Luminance Meter Model VLM-40 (NTSC & PAL) Technical Instruction Manual Dorrough Composite Video Luminance Meter Model VLM-40 (NTSC & PAL)
 Technical Instruction Manual For Dorrough Power Line Monitor Model PLM-120] Technical Instruction Manual For Dorrough Power Line Monitor Model PLM-120]
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