Diff: Dorrough Electronics
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| Newer page: | version 25 | Last edited on 3 May 2024 3:15 | by harold | Revert |
| Older page: | version 24 | Last edited on 3 May 2024 3:13 | by harold | Revert |
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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]
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-* [[Upload:harold/Schem PCBoard 154-383--92--7a-.pdf]]
version 25
Dorrough Electronics
http://www.dorrough.com - Dorrough website.
https://www.dorrough.com/Usermanuals2.html - Manual archive.- Dorrough Legacy Product Documentation
40-A Loudness Monitor.- 40-A Tech Manual - Also covers 40-B, 10-A(B), 12-A(B), 20-A(B), 21-A(B)
- 1200 Stereo Test Set.
- DAP310 Discriminate Audio Processor. 1973
- Power Supply Update replaces diode reference with single chip regulator.
- 1977 Manual, scanned by Mike Phillips. 16MB
- 1978 Manual
DAP610 Discriminate Audio Processor. 1982
"
Image from WA3VJB.
Full Size- Schematic PC Board #111-404-
- Schematic Peak Hold Circuit PC Board 110-404-
- Revised Meter Calibration Procedure (Series-1 Only!)
- Schematic For PC Board 154-383-
Full
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