Tube: Zenith 6FY7 in black plate version. Transformer: OPTs, choke & power trans all adopt Japanese high magnetic permeability Z-11 0.35mm stalloy.Diode: General Electric hermetically porcelain envelope 1N5059 in low reverse current and high surge current loading standard. Potentiometer: Japanese COSMOS TOKYO RV24YN 20S carbon trimmer V. Resistor: Allen- Bradley carbon composition. Condenser: FRAKO (electrolyte; West- Germany), ERO (MKT; Germany), PHILIPS (electrolyte; Holland), CORNELL- DUBILIER (film; USA), MILSTND (solid- electrolyte tantalum) capacitors. Solder: Japanese 2% fine silver contained. The 1.3 W output at 8. Impedance will satisfy the indoor listening needs when connecting to the speakers of 90 dB/ W/ M sensitivity. Though this amplifier is small in volume but compact functionally. Width is 18 cm and depth is 15 cm only.
There is also a lighter by its side for size comparison. Please refer to the photos. The producing process was pretty hard, because the smaller the machine, the lower the tolerance could be tolerated. Any fault made would be easily highlighted.
Therefore a technicians meticulous attitude and careful devotion are necessary. No begging for velocity, but efficiency!
Since 1930s, the tubes 71A, 45, 2A3, 50, & 300B were developed gradually, even for the retro products recently, triode has conquered numerous music fans by its distinguished tender and soft tone, especially focusing on its performances in middle range as alto vocal, saxophone and cello. Harmonics distortion of triode highly resembles the music overtone which is invincible charming to ears.
Aving a cup of good coffee in weekend afternoon, play some bossa nova; or in still night, take a sip of red wine, immerse in jazz with this well made neat tube amp? 6FY7 stereo single- ended 1.3 W output vacuum tube amplifier" is in sale since Thursday, July 5, 2018. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "klts66" and is located in New Taipei City. This item can be shipped worldwide.