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Super Sale

Everything has an end, and so the series of Mr.Nixie's first tube headphone amps ends
after more than seven years and makes room for a successor.
Get your hands on it now and get the last one - ready to go for a super price.


With the solgan "Wolf in sheep's clothing" Mr. Nixie presents a very tiny tube headphone amp but it's really a deep me, even if it's small outline footprint of only 85 x 85 mm.

2 pcs. 6N28B-V miniature dual triodes from Russian military surplus operate as preamplifier stages to a stereo Class A MosFet impedance transformer stage with 200 mA idle current each. These triodes are specially designed to operate on low anode voltages, have an ultra long life, less microphonic noise and are shock proof. BTW, Pete Millet's "Starving Student" amplifier was the template for this improved circuity.

Compared with many similar amplifiers from Chinese production, which operates the triodes with only 1/10 of the suggested anode voltage, the tubes in this tiny amplifier operates with 45 V and therefore exact within their specifications; and this you'll just hear.

The measuring datas approve the listening testings: light, soft and with a warm sound. And this tiny amplifier can provide real power if needed without sounding annoying or nasty.

The frequency response is nearly linear, whether @ 150 or 32 ohms, the internal resistance is less than 1 ohm, the distortions - tube-typical with a lot of K2 - rise to over 5% only at the output's limit, and decrease linearly at lower output levels below 0.1%.

Features

  • DC-Connection: 12...15 VDC 2.1/5.5 mm inner "+", fused by Polyfuse
  • High grade power supply is included
  • Headphone connection: 1/4" TRS NEUTRIK stereo jack
  • Line input: 2 x RCA
  • Slow turn on of the filament voltages
  • Input impedance: 4.7 kohm
  • Amplification: ca. 14 dB
  • Min. input level for full output power: ca. 770 mV (Volume set to maximum)
  • Min. headphone impedance: 16 ohm
  • Power consumption: ca. 9 VA
  • Dimensions (with heat cover) W x D x H: 85 x 85 x 65 mm
  • Weight: 190 g

Order

Ready assembled headphone amplifier incl. power supply and worldwide DHL shipping for 189 EUR - please click on the logo

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