Flat A, 5/F, Kam Man Fung Factory Building, 6 Hong Man Street, Chai Wan, Hong Kong
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Description
Very very very rare and very very very hard to find Vendetta Research SCP-1 Gold MC cartridge pre-preamplifier by John Curl.
Comes with separate power supply unit.
Vendetta Research Symmetrical Cascode Pre-preamplifier represents John Curl¡¦s latest all-out effort to develop and effective bridge between the best moving coil cartridges and the highest quality preamplifier. The SCP-1 uses one of the most linear topologies ever used in a pre-preamplifier. It is a significant departure form John Curl¡¦s original designs with up to one hundred times less distortion than his previous efforts.
The Symmetrical Cascode Pre-preamplifier consists of a direct coupled push-pull, complementary FET cascode pair that is effectively a single stage of amplification. The highest quality components are used throughout, each channel is buffered with its own all FET regulator, and is servo-controlled to remove any capacitors in the audio signal path.
The input loading is continuously variable between 10 and 200 ohms. Although the pre-preamp is designed with no negative feedback, it can be strapped for a small amount of feedback for use with very low impedance loading of some moving coil cartridges. A John Curl developed the first successful low noise pre-preamplifier for Mark Levinson Audio Systems in 1973. Variations on that patented design are used in many pre-preamps today.
Type: Moving coil cartridge pre-preamplifier
Total harmonic distoration: <0.01% at 300_mV out 10Hz-30kHz
Intermodulation distortion: 0.001% at 100mV out
Noise: 0.4nV/ Hz or 10 ohms equivalent noise
Frequency response: 0.1 Hz-1 MHz
GAain: 28 dB nominal
AC voltage: AC-220V 50/60Hz can interchange to AC-110V 50/60Hz
Goods sold are not returntable. Subject to terms and conditions exchange of goods can be considered.
