12at7 and 6x5gt Rectifier Tubes in the Leben RS-30EQ RIAA

Jan Philips 6X5GT tube for rectifier function in Leben RS30EQ Riaa.

Tubes used in the Leben RS-30EQ RIAA In addition to the Leben CS-600 amplifier, I’m a delighted owner of Leben’s only RIAA model, named the RS-30EQ, which sounds both looks and sounds stunning. The RS-30EQ is based on a circuit including a 6X5GT rectifier tube and two 12AT7s Jan Philips tubes. The European designation for the… Continue reading 12at7 and 6x5gt Rectifier Tubes in the Leben RS-30EQ RIAA

New 6cs7 tubes for Leben CS-600 amplifiers ~ Everything You Should Know

Four closely matched vintage 6CS7 tubes (a so called ‘quad’) from the American producer of vacuum tubes Sylvania. These tubes are used in the driver stage in Leben Hi-Fi company’s Lebne CS-600 amplifier.

I’ve just picked up four 6cs7 tubes for my Leben CS-600 amplifier. The Leben CS-600, often called the tube roller’s dream, uses four of these in the driver stage. A wide range of output tubes is possible – mine came with 6L6GC (equivalent to 5881 tubes from the Russian brand Sovtek). Images of 6cs7 vacuum tubes tested on a… Continue reading New 6cs7 tubes for Leben CS-600 amplifiers ~ Everything You Should Know

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