Description
C-47
Crucial requirements for a stereo phono equalizer are low noise and highly accurate equalizing characteristics over the entire frequency range. The C-47 is the first phono amplifier of this series to realize a fully balanced configuration which reliably shuts out external noise. If combined with a balanced preamplifier and a power amplifier employing the instrumentation principle, a system with fully balanced signal transmission throughout can be realized. The C-47 features a two-stage design with a head amplifier optimized to handle MC and MM cartridges and a high-accuracy equalizer amplifier, together providing outstanding noise performance and precise equalizing characteristics. A newly added dedicated balanced MC phono input enables balanced connection to the analog record player. By bringing out the full performance potential of each phono cartridge, the C-47 delivers a rich and deeply satisfying musical experience.
THD: 0.005% or less (1 kHz, at rated output)
RIAA deviation:
10 Hz ‒ 20 kHz, MC ±0.3 dB, MM ±0.3 dB
Input sensitivity:
MC 1.26 mV, MM 40 mV
Maximum input voltage:
MC 5.7 mV, MM 180 mV
Input impedance:
MC - 10 ohms, 30 ohms, 100 ohms, 200 ohms, 300 ohms, 1 kilohm, switchable; MM - 1 kilohm, 47 kilohms, 100 kilohms, switchable
Gain:
Normal - MC 64 dB, MM 34 dB, High - MC 70 dB, MM 40 dB
Subsonic filter:
-12 dB / octave, 10 Hz
Rated output:
2 V, 50 ohms
S/N ratio:
MC 97 dB, MM 108 dB
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