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General Electric Cryo / 6CG7/6FQ7-GENERAL ELECTRIC CRYO
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All prices contained on this page are exclusive of VAT. This is currently charged at 20% and is payable by the UK only.
A test report is available click here to view
All prices contained on this page are exclusive of VAT. This is currently charged at 20% and is payable by the UK only.
A test report is available click here to view
Watford Valves has cryogenically treated some of the more popular and best sounding General Electric valves. This process makes a permanent change and the benefits do not deteriorate over time or upon return to operating temperature, it changes the whole way the vacuum tube performs. The biggest benefits I have found has been a dramatic improvement in dynamic range. Bass response has been clearer with reduction in microphonics. The soundstage is bigger with more detail with a big reduction in the noise floor. The really most starling fact has been how the valve operates under saturated and overdriven conditions in guitar amplifiers. The distortion is smoother with less hardness and is musically pleasing to the ear.
GE 6CG7/6FQ7 has the classic GE sound stage which is big and open. These are original USA made valves are specially selected and the cryo treated. These cryo treated valves are first choice for Audio as they produce more detail and clarity than standard types.Here is an email from Mr David Rhodes
" I've got the Stax Omega system which I've had about two years after the sound quality started to change slightly I thought the valves might need replacing so I looked on the internet and came across Watford Valves , when phoning Watford Valves I spoke to Derek and asked him which valve he recommended and he advised the 6CG7/6FQ7 General Electric Cryo valve ,
I received four of them the other day and I have to say they are simply amazing , they produced a more transparent and detailed sound that I didn't think was possible from the SRM 007. The valves I got from Watford Valves do make the SRM 007 produce a wonderful sound."
We offer a balanced option:
1) Balanced -matched triode sections for high end Audio & Headphone amplifiers
All Balanced preamp valves are Dynamically Drive tested and matched on db gain under real working conditions and have passed the following tests:
Gain (db) Drive Tested
Transconductance (gm) Drive Tested
Output Drive Tested
Noise 1 (signal to noise)
Noise 2 (Aural)
Microphonics Test 1(Ambient)
Microphonic Test 2 (Shock)
Cathode Test
Grid Leakage Test
If you want a matched pair then by ordering 2 of the balanced valves you will get a matched pair
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