Soundscape Product Information

V4 Mono Amplifier

The V4 recreates a musical event on a scale and with a solidity, roundness, and three-dimensionality matched by few and surpassed by no other amplifiers, with sensational dynamic-range to boot.” Paul Seydor – The Absolute Sound, October 2002.

“Connecting the Quicksilver Audio V4s quickly revealed that these were very good sounding amps indeed. Space, delicacy, transparency, and overall musical believably were of high order.” Bascom King – Audio, February 1998.

Powerful, musical, and effortless–this is the sound of the V4. As with all Quicksilver’s amplifiers, the V4s are all tube and hand wired point-to-point. A bias meter is mounted in the chassis and individual controls allow each output tube to be biased separately. The amplifiers come with KT150s, but EL34s, 6550s, or KT88s can also be used.

Matched quads will work best but are not necessary. The low screen voltage on the output tubes (300 volts) makes them last for thousands of hours of “on” time. The output stage has a separate power supply so that even maximum power levels will not diminish the sound quality. A new output transformer coupled with KT150s increases the V4 power to 170 watts into 4 or 8 ohms.

Price $6495/pair with Tungsol KT150s.
Price for balanced add $900/pair.
Price for 230 volt/50 Hz add $240/pair

Power Output 120 watts into 4 or 8 ohms from 22 Hz to 40 KHz
Power Bandwidth 18 Hz to 80 KHz
Peak Power 180 watts at 1 KHz
Input Sensitivity 1.5 volts
Tube Complement 1-12FQ7 input
1-12BH7 or 12FQ7 driver
4-KT88 outputs
Finish Nickel chassis
Carbide black capacitor and transformer cover
Dimensions 7 7/8"H, 13 3/4"D, 16 3/4"W
Weight 51 lbs., 56 lbs. shipping weight
U.S. Warranty 3 years parts and labor
Tubes 90 days


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(707) 337-3355

Last Update: December 25, 2017

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Audio & Video
4340 Secretariat Way, Roseville, CA 95747
Phone 707- 337-3355

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