This is the 2 pages manual for Accuphase C 7 Brochure.
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MOVING COIL CARTRIDGE HEAD AMPLIFIER
The use of Moving Coil cartridges has become wide-
spread spectacularly in recent years. This is because Moving
Coil cartridges, which produce superior sound, are now less
expensive than they were before. Another reason, which
must not be overlooked, is the advent of better head ampli-
fiers with superior characteristics. Such head amplifiers are
available today as separate units, as well as integrated into
certain amplifiers and preamplifiers so that Moving Coil
cartridges can be readily used. These developments have
hastened the growing popularity of these cartridges.
Some audio fans, however, advocate the use of step-up
transformers with Moving Coil cartridges for best perform-
ance. Although it is true that high quality transformers may
produce their own distinctive sound characteristics, high
grade head amplifiers reproduce more faithfully the original
sound and atmosphere of the cartridge. The Accuphase C-7
Stereo Head Amplifier was developed to reproduce accu-
rately the true characteristics of Moving Coil cartridges,
and represents the essence of technology acquired in
developing the 0240 stereo preamplifier.
C-7 GUARANTY SPECIFICATIONS
All Accuphase product specifications are guaranteed as stated.
VOLTAGE AMPLIFICATION: 26 dB
FREQUENCY RESPONSE: 5 ~ 100.000 H1 H0, >02 dBl
MAXIMUM INPUT VOLTAGE: 35 mV RMS
(20 7 20,000 HI, 0
TOTAL HARMONIC DISTORTION: Lowertlian 0.002%
(20 # 20,000 Hi, at me mum input)
HUM AND NOISE: 72 dB UHF-A tliroiiuli FTiAAeriii la-˜IUII,
at O 1 mV inpuil
INPUT IMPEDANCE: -˜iOO Ohms
OUTPUT IMPEDANCE: 100 Ohms
SEM|CONDUCTOR COMPLEMENT 6 Tr's, 9 FETs, 2 ICs. 8 Di's.
POWER REQUIREMENT Compatible -˜iOO/i i7\/ and or 220/240V.
50/60 H' 5Wans.
DIMENSIONS: i02 mm (IL-0 inch wi In
61 mm (27/16 in s) in i,
350 mm li3713/16 inches) deep.
2.5 ms [55 lbs) nor.
3, has (8.6 lbs) in shipping carton
ourruv ma + n IN as