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For Sale - Phase Style (PHaST) 6C33C Monoblocks and 6SN7 Pre Amplifier

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For your consideration - my rather special Phase Style monoblocks and matching Pre amp.


I’d been on a bit of mission to source these for a few years after being strongly recommended the brand by a Russian audio acquaintance. I was delighted to secure these and I’ve loved owning them but they aren’t really the family friendly amp I’ll need for the coming years and I may as well sell them rather than store them.

Phase Style Company was founded in Lviv Ukraine in 1998. It’s main focus of activity is to design and manufacture high quality pre and power amplifiers. These amps were factory serviced and upgraded in 2014, and the preamp is just back from another service from the excellent Graeme/Ampregen. Some specs here.

PhaSt Preamp Specifications

Weight: 6.2 Kg

Dimensions (cm): 6.0 H * 42 W * 30 D

Circuit Type: Full pre-amplifier (no feedback)

Inputs: 4 Line Levels (150mV)

Outputs: 1 Main Out

Input Impedance: 100 kOhms

Noice (CCIR): <100 dB

Frequency Response: 10 Hz to 50 kHz ±1dB

Consumption: 24 Watts

AC Power Requirements: 220-240V 50/60 Hz

PhaSt 6C33C Triode Specifications:

Weight: 14.5 Kg

Dimensions (cm): 17 H * 21 W * 42 D

Power Output: 18 Watts

Circuit Type: Single-Ended Triode in Class A

Input Sensitivity: 450 mV for full output

Input Impedance: 100 kOhms

Noise and Hum: -85 dB below rated output

Frequency Response: 10 Hz to 70 kHz @ 1 Watt

Tubes: 1 x 6C33C; 1 x 6SN7; 1 x 6SL7

Consumption: 150 Watts

AC Power Requirements: 220-240V 50/60 Hz

Warm-Up Time: 15 Minutes

They are in good condition but they aren’t perfect. There’s a ding bottom left on one of the power amps, under the Facia, and a previous owner has glued one badge back on badly, so there’s residue. There’s also some scratching to the Facia of the pre. None of that bothered me, but the fastidious need not apply. Some photos here.

£1200 firm collected from GL5. I can’t post these, but, as a sweetener, will include, free of charge, a DIY Jean Hiraga power amp that works fine and sounds great but needs a new plinth.

Edited by lordmortlock
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