Technical data:
For electrostatic headphones
Max. Output voltage 900 Vpp

For electrodynamic headphones
Max. Output voltage 36 Vpp

High output:
15 Ohm       5,6 W
120 Ohm    1,5W
600 Ohm   0,3W

Low output:
15 Ohm   1,2W
32 Ohm   0,6W

Frequency response: 20Hz (-0,45db ) to 85.000Hz (-1db)


2x Stereo high level inputs Cinch
1x Stereo high level input XLR balanced

1x output 5 pole, per bias
1x output 6 pole Normal Bias
1 x output 4 pin XLR with low output voltage
1 x output jack 6.35 mm with low output voltage
1 x output 4 pin XLR with high output voltage
1 x output jack 6.35 mm with high output voltage

1 x stereo preamplifier output Cinch adjustable

depth: 34 cm
width: 38 cm
height: 14 cm

Cabinet with 10mm front in natural or black aluminium with oiled  wooden  side panels

Optional : Extners tube power supply available

This amplifier offers the possibility to use either electrostatic or electrodynamic headphones in best quality. A transformer in the output of the unit converts the high signal voltage into a powerful output signal that can drive even demanding electrodynamic headphones with ease. This device combines the strengths and virtues of all our amplifiers: naturalness, dynamics, colorful, multi-layered tones and an effortless playback of the most complex music signals.

Signal voltage amplification with tubes

Responsible for a natural, lively sound image due to high output capability with very low distortion

Push-pull output stage

With EL84 power tubes, matched in a quartet, switched as a triode

Power supply

Complex power supply with voltage stabilization for each amplifier stage

Optional : Extners tube power supply available


High quality of all components, e.g. 1% and 0.1% precision resistors, top-quality film capacitors in the signal path, 105° electrolytic capacitors with long service life in the power supply, circuit boards with optimized conductor path.

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