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AVT5365 A
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  • AVT5365 A
ID: 208631

LAMP AMPLIFIER - PRINTED PLATE

Retired

LAMP AMPLIFIER - PRINTED PLATE

Producer: AVT

The amplifier with 6C4C tubes described in Practical Electronics no. 12/2001 works best with loudspeaker sets with high efficiency. Unfortunately, not all fans of tube sound have or prefer such speakers and therefore a more powerful amplifier is needed to work with modern sets. The presented construction is based on 6S33S lamps, popularly known as "devils". They allow you to achieve 15 W of output power, which allows you to drive contemporary loudspeaker sets with an average efficiency.
Recommendations: the amplifier is designed for fans of "tube sound" who have experience in building electronic systems powered with high voltage.

Basic information:

  • sensitivity at 15 W output power, 8 V load and 1 kHz sinusoidal signal = 900 mVrms.
  • frequency response at 1W output power, 8V load and 3 dB gain drop = 20 Hz.60 kHz.
  • frequency response at 1W output power, 8V load and 1 dB gain drop = 30 Hz.30 kHz.
  • the quiescent current of the V3L and V3R power stage lamps = 180 mA.
  • harmonic distortion (Robc = 8V, Po = 1W):
    • 20 - 1.3%
    • 100 - 0.9%
    • 1k - 0.9%
    • 10k - 1.3%
    • 20k - 1.8%

The printed circuit board and documentation are included.

A detailed description in EP10 / 12 or

208631

Manufacturer AVT SPV Sp. z o.o. Leszczynowa 11 03-197 Warszawa Poland zamowienia@avt.pl

Responsible person AVT SPV Sp. z o.o. Leszczynowa 11 03-197 Warszawa Poland zamowienia@avt.pl

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