Schematics, Service manual or circuit diagram
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List of 37 Quad models
Model
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Year Book/
Source
File Type/
Volume
Page/
Ext
Preview/Status
Quad 12 Watt-FileQuad_Acoustical
-12 Watt
FilepdfQuad 12 Watt schematic circuit diagram
Quad 21959TraderTrader-1427-1959RadiopdfQuad 2 schematic circuit diagram
Quad 221958FileQuad_Acoustical
-22-1958.ControlUnit
FilepdfQuad 22 schematic circuit diagram
Quad 2-FileQuad_Acoustical
-2_II
FilepdfQuad 2 schematic circuit diagram
Quad 3031967FileQuad_Acoustical
-303-1967.Amp
AmppdfQuad 303 schematic circuit diagram
Quad 303-FileQuad-303.Quad.AmpAmppdfQuad 303 schematic circuit diagram
Quad 331967FileQuad_Acoustical
-33-1967.Amp
AmppdfQuad 33 schematic circuit diagram
Quad 341982FileQuad_Acoustical
-34-1982.Amp
AmppdfQuad 34 schematic circuit diagram
Quad 4051976FileQuad_Acoustical
-405-1976.Amp
AmppdfQuad 405 schematic circuit diagram
Quad 441979FileQuad_Acoustical
-44-1979.ControlUnit
FilepdfQuad 44 schematic circuit diagram
Quad 6041986FileQuad_Acoustical
-604-1986.Amp
AmppdfQuad 604 schematic circuit diagram
Quad AM 2 Tuner1960FileQuad_Acoustical
-AM 2 Tuner_AMII ;Tuner
-1960.Tuner
FilepdfQuad AM 2 Tuner schematic circuit diagram
Quad AM 3 Tuner1965FileQuad_Acoustical
-AM 3 Tuner_AMII ;Tuner
-1965.Tuner
FilepdfQuad AM 3 Tuner schematic circuit diagram
Quad AMII ;Tuner1960FileQuad_Acoustical
-AM 2 Tuner_AMII ;Tuner
-1960.Tuner
FilepdfQuad AMII ;Tuner schematic circuit diagram
Quad AMII ;Tuner1965FileQuad_Acoustical
-AM 3 Tuner_AMII ;Tuner
-1965.Tuner
FilepdfQuad AMII ;Tuner schematic circuit diagram
Quad AM Tuner1956FileQuad_Acoustical
-AM Tuner-1956.Tuner
FilepdfQuad AM Tuner schematic circuit diagram
Quad ESL1956FileQuad_Acoustical
-ESL-1956.ElectrostaticSpeaker
FilepdfQuad ESL schematic circuit diagram
Quad FM16-FileQuad_Acoustical
-FM16.Tuner
FilegifQuad FM16 schematic circuit diagram
Quad FM2 Tuner1967FileQuad_Acoustical
-FM2 Tuner_FMII Tuner
-1967.Tuner
FilepdfQuad FM2 Tuner schematic circuit diagram
Quad FM3 Tuner1971FileQuad_Acoustical
-FM3 Tuner_FMIII Tuner
-1971.Tuner
FilepdfQuad FM3 Tuner schematic circuit diagram
Quad FM4 Tuner1982FileQuad_Acoustical
-FM4 Tuner_FMIV Tuner
-1982.Tuner
FilepdfQuad FM4 Tuner schematic circuit diagram
Quad FMB-FileQuad_Acoustical
-FMB
FilepdfQuad FMB schematic circuit diagram
Quad FMIII Tuner1971FileQuad_Acoustical
-FM3 Tuner_FMIII Tuner
-1971.Tuner
FilepdfQuad FMIII Tuner schematic circuit diagram
Quad FMII Tuner1967FileQuad_Acoustical
-FM2 Tuner_FMII Tuner
-1967.Tuner
FilepdfQuad FMII Tuner schematic circuit diagram
Quad FMIV Tuner1982FileQuad_Acoustical
-FM4 Tuner_FMIV Tuner
-1982.Tuner
FilepdfQuad FMIV Tuner schematic circuit diagram
Quad FM Tuner1958FileQuad_Acoustical
-FM Tuner-1958.Tuner
FilepdfQuad FM Tuner schematic circuit diagram
Quad II1959TraderTrader-1427-1959RadiopdfQuad II schematic circuit diagram
Quad II-FileQuad_Acoustical
-2_II
FilepdfQuad II schematic circuit diagram
Quad Mk2 ;Amplifier1954FileQuad_Acoustical
-Mk2 ;Amplifier
-1954.Amp
AmppdfQuad Mk2 ;Amplifier schematic circuit diagram
Quad MPX Decoder1964FileQuad_Acoustical
-MPX Decoder_Multiplex Decoder
-1964.FM Decoder
FilepdfQuad MPX Decoder schematic circuit diagram
Quad Multiplex Decoder1964FileQuad_Acoustical
-MPX Decoder_Multiplex Decoder
-1964.FM Decoder
FilepdfQuad Multiplex Decoder schematic circuit diagram
Quad QA12P1947FileQuad_Acoustical
-QA12P-1947.Amp
AmppdfQuad QA12P schematic circuit diagram
Quad QA12P1949FileQuad_Acoustical
-QA12P-1949.Amp
AmpgifQuad QA12P schematic circuit diagram
Quad QC1 Amplifier1949FileQuad_Acoustical
-QC1 Amplifier-1949
.Amp
AmppdfQuad QC1 Amplifier schematic circuit diagram
Quad QC2 ;Amplifier1954FileQuad_Acoustical
-QC2 ;Amplifier
_QCII-1954.Amp
AmppdfQuad QC2 ;Amplifier schematic circuit diagram
Quad QCII1954FileQuad_Acoustical
-QC2 ;Amplifier
_QCII-1954.Amp
AmppdfQuad QCII schematic circuit diagram
Quad R ;Tuner1950FileQuad_Acoustical
-R ;Tuner-1950.Tuner
FilepdfQuad R ;Tuner schematic circuit diagram

These radio, TV, record player and tape or cassette recorder schematics,circuit diagrams and service manuals are mostly high quality, very readable scans and will usually be Emailed within an hour or two, if I need to scan an item, or it's the middle of the night here (it is 19:21 in the UK) it may take a little longer! Specialising in British schematics Roberts, Hacker, Bush etc. also American and German manuals feature strongly, search for what you need. Multi page manuals are Emailed as pdfs. Please Email if you have any queries, or you require any vintage parts for your repair I'll let you know what I have! Thanks for looking, Mike.
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Fill in the "Make" and "Model" boxes, if you are unsure of the model, leave it blank and I will list ALL models for that manufacturer, similarly if you only have the model number leave "Make" blank and I will list similar model names from ALL manufacturers.
More explanation here. Some sources searched :-
J.F. Rider's Perpetual Rider 1920-54
Trader Service sheets Trader 1933-69
Beitman's Radio Diags Beitman 1926-69
Beitman's TV Diagrams Beitman 1947-70
Gernsback Radio Diags. Gernsback 1922-34
Empfanger Schaltungen ES 1928-57
Broadcaster Supplements Broadcaster 1934-42
Radio and TV 36 vol set RTV 1945-86
Radio and TV 5 vol set RTV5 1945-54
Crosley Service Suppls. Crosley 1929-42
My Pre-scanned Files File
The search logic is slightly "fuzzy" in that it's case insensitive and ignores punctuation so, model TR-510 is the same as tr510, and G.E.C is the same as "gec".

(193398 schematics* by 1685 different manufacturers indexed!)
Updated 25th. Nov 2020


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