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AUDIOVALVE Challenger 115/150/180 Mono Block Amplifiers (pair)

$9,500.00

Product Description

The CHALLENGER series of monoblocs are the foundation of the AudioValve range of amplifiers, which have been refined and perfected since first introduced in 1987.

The CHALLENGER is unique in so many key areas. For example, it can use KT-88s, 6550s or EL-34s with equal ease as power tube. And depending on the tube used, its output can range from 110 wpc to as high as 180 wpc. This is made possible by our revolutionary and proprietary ABR circuitry, which monitors, biases and controls each tube independently in the most AudioValve power amplifers.

This feature allows the use of any of the mentioned tubes or, indeed, a combination of any of the three. This redefines in a truly innovative way the concept of “plug and play.” It also makes tube replacement very economical, as there is no need for costly and exotic tubes which have to be matched in order to get the best sound from the amplifier.

Another truly impressive detail . That is, the circuitry is totally balanced from input right to output terminals. All of this means the CHALLENGER can drive any speaker on the market, from conventional drivers to exotic electrostatics and ribbons, with complete ease.

The most recent affirmation of the beauty and prowess of this truly unique and great amplifier came in the November 1999 issue of The Absolute Sound, one of the most respected industry magazine in the world.

AudioValve Challenger combine also excellente with electrostatic speakers.

Already since 1984 we produce our series called “Challenger”. We are likewise using the proved PPP concept with only one difference: the complete circuitry is fully symmetric. By chosing the correct tubes and making some little detailed changes for example a 115 Watt power amplifier with EL34 turns to Challenger 140 at e.g. KT88 mounting.

Parallel-push-pull power amp with parallel-symmetrical-cross- coupled driver stage 
tubes: 2*12AU7, 1*12AX7, 6*beam power pentode for example: KT 88, EL 34, 6550...
operation: Class-A
power output: 115 Watt (EL 34) / 150 Watt (KT 88 or 6550) / 180 Watt (KT 88 or 6550)
power consumption: 320 Watt - Stand by mode - 80 Watt 
max. short circuit current: 70 ampere between 2 ohm terminals 
input sen: 0 dBm 
input imp: 2* 47K 
output imp: 4 - 8 ohm 
connectors: LR & RCA input-jackets
power bandwidth: 5-40.000 Hz
distortion: 0.3% - 50 Watt (8 ohm load) 
damping: 5
bias: autom. controlled with "ABR" for all power tubes 
size: 43*28*24 cm, D-H-W 
weight: 48 pound each mono-block
Stand-by mode: switchable

Available in 115 Watt, 150 Watt or 180 Watt (please use the drop down box to select required model, note prices vary per model)

Please inquire for availability and shipping.

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