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For sale a lovely vintage Quad/Acoustical QC ll mono preamp. I have owned this for over 10 years and used it with a single Quad monobloc, it has been paired with a tuner and a CD player by means of an attenuated connector cable. I no longer use it and would like it to be used and appreciated by a new owner. I have changed the power amp connector to a euro style, but include a Bulgin plug so it can connect to an unmodified Quad 11 as originally fitted.Text below is an extract from an old equipment review.
” The Quad Control Unit QC II was one of the last valve preamplifiersproduced by The Acoustical Manufacturing Company Ltd of Huntingdon. Quad was anacronym for ?Quality Unit Amplifier Domestic?. Subsequent products were brandedQuad Electroacoustics but universally dubbed ?Quad?The QC II was introduced in 1953 and manufactured till 1959, it predatesthe Quad 22.When used with its partner FM and AM tuners, and a Quad power amp, thevalve Quad setup represented a high point in audio design which many audiopurists argue has never been betteredThe preamplifier is powered by the power amplifier (not included) andhas two tuner inputs, for AM and FM tuners, plus a disc input with switchableequalisation. EQ presets include Col LP, AES, FFRR 78 and Std 78. FFRR refersto the then-new Decca Full Frequency Range Recording standard which enabled awider range of frequencies to be recorded & reproduced. Each recordingstandard requires a reciprocal equaliser in the pre-amplifier to reproduce aflat response. The manual includes a table giving appropriate EQ settings forLPs and 78s from various record labels. Later record releases adhered to theRIAA curve which became the standard around 1954, but the Quad preamp allowedswitchable de-emphasis for the popular standards of the dayThe controls on the QC II preamplifier will beinstantly familiar to anyone who?s used a Quad 33 ? the later transistor preampuses the same control layout but loses the beautiful knurled, machinedaluminium knobs of the QC II. The volume control incoporates the on-off switch,there?s a switchable 5K / 7K / 10 KHz filter with a level control to cut discnoise and traditional bass & treble controls. Finally there are two whiteRadio / Mic input selectors and four disc equalisation switches. With bothswitches depressed, the tuner buttons act as a tape replay switch. The powerindicator is a perspex lozenge on the bottom right of the panel marked?Acoustical? ”
The unit is possibly 60 years old, as such it should be regarded as for spares/ repair.UK bidders only please, no returns.PayPal only please.
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Category: Sound and Vision:Home Audio and HiFi Separates:Amplifiers and Pre-Amps
Location: Aberdeen