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VALERON'S VINYL CHANNEL VVC: Производство усилителей и фонокорректоров с нуля. Репортаж с фабрики S.A.Lab


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VALERON'S VINYL CHANNEL VVC: Manufacture of amplifiers and phono stages from scratch. Report from the factory S.A.Lab


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GFS-07

Phono preamplifier S.A.Lab GFS-07 with the separate power supply enriched the S.A.Lab product line based on germanium transistors. Component proves S.A.Lab circuitry advantages and conquers with its heartfelt musicality at systems of various levels from the very beginning of listening to music.

DESCRIPTION

Phono preamplifier S.A.Lab GFS-07 with the separate power supply enriched the S.A.Lab product line based on germanium transistors. Component proves S.A.Lab circuitry advantages and conquers with its heartfelt musicality at systems of various levels from the very beginning of listening to music.

Passive correction circuit is core of GFS-07. There are Russian SIT-transistors in the input stage and germanium transistors and silver wired custom designed and produced transformer for output. Transformer has amplifying coefficient 2.

GFS-07 boasts of premium signal-to-noise ratio of 96 dB. Output voltage is 1 V (RMS), THD — 0,003% and sensitivity — 5 mV.

Phono stage is created by S.A.Lab for vinyl systems of medium and high levels.

Technical specifications





Dimensions (phono stage, without/with legs), mm — 50/70 х 200 х 160
Weight (phono stage), kg — 4
Dimensions (power supply), mm — 75 х 80 х 150
Weight, kg — 1