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Mono Control Unit
Introduced: 1953
Discontinued: 1959
Quantity sold: 20,000

Three different versions produced

Version 1 Three rear sockets

Version 2

Version 3

Note the different number of inputs
Documents
QCII & II Instruction book Issue 3 (3,817.0kb)
Ad. QC II Control Unit; W W Oct 57 (119.1kb)
Advert; Gramophone August 1955 (338.5kb)
Leaflet 1955 QCII (USA) (296.0kb)
Leaflet QCII (290.1kb)
QC II Mono Control Unit; Data sheet (245.0kb)
Service Wireless & Elect Trader Dec 1959 (1,340.5kb)
 
Photos (view all)
QC II Control Unit power connection (2) (259.2kb)
QC II Control Unit internal bottom (2) (183.7kb)
QC II Control Unit internal top (2) (160.8kb)
QC II Control Unit power connection (3) (494.9kb)
Quad QC II Control Unit (292.5kb)
Quad QC II Control Unit Case & panel (2) (278.3kb)
Quad QC II Control Unit inputs (44.7kb)
Quad QC II Control Unit Inputs & filters (42.3kb)
Quad QC II Control Unit inputs (2) (521.3kb)
Quad QC II Control Unit internal bottom (168.9kb)
Quad QC II Control Unit internal top (111.4kb)
Quad QC II Control Unit power connection (66.0kb)
Quad QC II Control Unit Rear (2) (296.9kb)
Quad QC II Control Unit; Case & panel (245.9kb)
Quad QC II Control Unit; Chassis bottom (300.9kb)
Quad QC II Control Unit; Chassis top (258.1kb)
Quad QC II Control Unit; Chassis top (2) (226.3kb)
Quad QC II Control Unit; Chassis top (3) (243.8kb)
Quad QC II v1 Control Unit Rear (49.7kb)
 
Reviews
QC II & II Review High Fidelity Sept 54 (92.0kb)
 
Internet Links
 

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