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Newer page: | version 42 | Last edited on 3 May 2024 3:33 | by harold | Revert |
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version 42
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-
Instruction Manual Digital Loudness Meters Models 280 & 380 (Digital Reading Meters)
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 Analog & Digital Audio Loudness Meters (Covers All Current Models December 16, 2002)
Schematics For PC Boards: 202-, 204-, 205, & 206
Instruction Manual RW-100 Remote Control
Technical Instruction Manual Dorrough Composite Video Luminance Meter Model VLM-40 (NTSC & PAL)
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