Schematics, Service manual, or circuit diagram
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37 Quad models listed


Model
Click to Order!
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-1427RadiopdfQuad 2 schematic circuit diagram
Quad 221958FileQuad_Acoustical
-22-1958.ControlUnit
Control
Unit
pdfQuad 22 schematic circuit diagram
Quad 2-FileQuad_Acoustical
-2_II
FilepdfQuad 2 schematic circuit diagram
Quad 3031967FileQuad_Acoustical
-303-1967.Amp
AmplifierpdfQuad 303 schematic circuit diagram
Quad 303-FileQuad-303.Quad.AmpAmplifierpdfQuad 303 schematic circuit diagram
Quad 331967FileQuad_Acoustical
-33-1967.Amp
AmplifierpdfQuad 33 schematic circuit diagram
Quad 341982FileQuad_Acoustical
-34-1982.Amp
AmplifierpdfQuad 34 schematic circuit diagram
Quad 4051976FileQuad_Acoustical
-405-1976.Amp
AmplifierpdfQuad 405 schematic circuit diagram
Quad 441979FileQuad_Acoustical
-44-1979.ControlUnit
Control
Unit
pdfQuad 44 schematic circuit diagram
Quad 6041986FileQuad_Acoustical
-604-1986.Amp
AmplifierpdfQuad 604 schematic circuit diagram
Quad AM 2 Tuner1960FileQuad_Acoustical
-AM 2 Tuner_AMII
;Tuner-1960.Tuner
RadiopdfQuad AM 2 Tuner schematic circuit diagram
Quad AM 3 Tuner1965FileQuad_Acoustical
-AM 3 Tuner_AMII
;Tuner-1965.Tuner
RadiopdfQuad AM 3 Tuner schematic circuit diagram
Quad AMII ;Tuner1960FileQuad_Acoustical
-AM 2 Tuner_AMII
;Tuner-1960.Tuner
RadiopdfQuad AMII ;Tuner schematic circuit diagram
Quad AMII ;Tuner1965FileQuad_Acoustical
-AM 3 Tuner_AMII
;Tuner-1965.Tuner
RadiopdfQuad AMII ;Tuner schematic circuit diagram
Quad AM Tuner1956FileQuad_Acoustical
-AM Tuner-1956.Tuner
RadiopdfQuad AM Tuner schematic circuit diagram
Quad ESL1956FileQuad_Acoustical
-ESL-1956.ElectrostaticSpeaker
RadiopdfQuad ESL schematic circuit diagram
Quad FM16-FileQuad_Acoustical
-FM16.Tuner
RadiogifQuad FM16 schematic circuit diagram
Quad FM2 Tuner1967FileQuad_Acoustical
-FM2 Tuner_FMII
Tuner-1967.Tuner
RadiopdfQuad FM2 Tuner schematic circuit diagram
Quad FM3 Tuner1971FileQuad_Acoustical
-FM3 Tuner_FMIII
Tuner-1971.Tuner
RadiopdfQuad FM3 Tuner schematic circuit diagram
Quad FM4 Tuner1982FileQuad_Acoustical
-FM4 Tuner_FMIV
Tuner-1982.Tuner
RadiopdfQuad 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
RadiopdfQuad FMIII Tuner schematic circuit diagram
Quad FMII Tuner1967FileQuad_Acoustical
-FM2 Tuner_FMII
Tuner-1967.Tuner
RadiopdfQuad FMII Tuner schematic circuit diagram
Quad FMIV Tuner1982FileQuad_Acoustical
-FM4 Tuner_FMIV
Tuner-1982.Tuner
RadiopdfQuad FMIV Tuner schematic circuit diagram
Quad FM Tuner1958FileQuad_Acoustical
-FM Tuner-1958.Tuner
RadiopdfQuad FM Tuner schematic circuit diagram
Quad II1959TraderTrader-1427RadiopdfQuad II schematic circuit diagram
Quad II-FileQuad_Acoustical
-2_II
FilepdfQuad II schematic circuit diagram
Quad Mk2 ;Amplifier1954FileQuad_Acoustical
-Mk2 ;Amplifier
-1954.Amp
AmplifierpdfQuad Mk2 ;Amplifier schematic circuit diagram
Quad MPX Decoder1964FileQuad_Acoustical
-MPX Decoder_Multiplex
Decoder-1964.FM
Decoder
RadiopdfQuad MPX Decoder schematic circuit diagram
Quad Multiplex Decoder1964FileQuad_Acoustical
-MPX Decoder_Multiplex
Decoder-1964.FM
Decoder
RadiopdfQuad Multiplex Decoder schematic circuit diagram
Quad QA12P1947FileQuad_Acoustical
-QA12P-1947.Amp
AmplifierpdfQuad QA12P schematic circuit diagram
Quad QA12P1949FileQuad_Acoustical
-QA12P-1949.Amp
AmplifiergifQuad QA12P schematic circuit diagram
Quad QC1 Amplifier1949FileQuad_Acoustical
-QC1 Amplifier-1949
.Amp
AmplifierpdfQuad QC1 Amplifier schematic circuit diagram
Quad QC2 ;Amplifier1954FileQuad_Acoustical
-QC2 ;Amplifier
_QCII-1954.Amp
AmplifierpdfQuad QC2 ;Amplifier schematic circuit diagram
Quad QCII1954FileQuad_Acoustical
-QC2 ;Amplifier
_QCII-1954.Amp
AmplifierpdfQuad QCII schematic circuit diagram
Quad R ;Tuner1950FileQuad_Acoustical
-R ;Tuner-1950.Tuner
RadiopdfQuad R ;Tuner schematic circuit diagram

These radio, TV, record player, amplifier, amp 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 in the UK it is 01:30 it may take a little longer! If more than one schematic is listed for a model I will generally send them all, unless too big to attach!
Specialising in British schematics Roberts, Hacker, Bush, Pye etc. also American and German manuals feature strongly, search for what you need. Multi page manuals are Emailed as pdfs. Please Email or phone 0788 4425213 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 :-
Book Set KEY Years
J.F. Rider's Perpetual Rider 1920-54
Trader Service sheets Trader 1933-81
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
RCA Service Notes RCASN 1923-52
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 =>2021
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".

(292147 schematics* by 2107 different manufacturers indexed!)
Updated 26th. Oct 2021

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