Resources: Equipment Manuals and Schematics
Part 15 "budget" broadcasters often find great deals on used and often obsolete equipment which they may use for their stations. Often times these pieces come without manuals. Below are links for manuals for equipment commonly used by Part 15 broadcasters. The manuals and schematics will aid those with the required technical background to troubleshoot and rehabilitate older, vintage equipment. Links to manufacturers' web sites are provided when possible and when still in business.
The materials are copyrighted by their respective owners. Some of the materials are hosted locally for the convenience of site users and may be removed at the request of the manufacturer. Whenever possible, links to materials are directed to the manufacturer's web site unless the materials is no longer available or if the manufacturer is believed to have ceased operations.
Denotes Adobe PDF file which requires the free Adobe Acrobat Reader.Broadcast Audio Processing:
- CBS Labs Audimax 444 / 445 manual - (Mono/Stereo)
- CBS Labs Audimax 4440a/4450a manual (Mono/Stereo)
- CBS Labs Volumax 400 schematic (Mono)
- CBS Labs Volumax 410/411 manual (Mono/Stereo)
- CBS Labs Volumax 4300 manual (AM Mono)
- Dorrough 310 Multi-band Processor Manual (Mono)
CRL - Circuit Research Labs Manuals - FTP Site- Harris ME-1 Modulation Enhancer Schematic
- Inovonics Download Page
- Prism Manual (Texar)
- Prism II Manual (Gentner)
- Symetrix 421m AGC/Leveler (Mono)
- Symetrix 422 AGC/Leveler (Stereo)
Part 15 Transmitter Manuals:
- Aspisys ASMAX-1 C-QUAM AM Stereo Transmitter
- C. Crane Digital FM Transmitter Manual
- ChezRadio Procaster - Install Instructions
- Decade MS-100 Series FM Transmitter Manual
- Grain Industries GL-100/1000 AM Transmitter Manual
- Hamilton AM1000 Rangemaster Manual
- Talking House AM Transmitter Manual
- Talking House External Antenna Tuning Unit (ATU)
- Talking House Theory of Operation (U.S. Patent Office)
Part 15 Transmitter Technical Documents:
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