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JJ Tesla Cryo / GZ34-JJ TESLA 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.
All prices contained on this page are exclusive of VAT. This is currently charged at 20% and is payable by the UK only.
Watford Valves has cryogenically treated some of the more popular and best sounding JJ electronic formally known as Tesla 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 have 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.
Special Cryo Treated JJ GZ34The JJ GZ34 design is based on the early Mullard GZ34 that has the lager plate construction with straight edge anode plates.
The JJ is robustly constructed with a thick glass envelope and provides a good replacement for vintage guitar and hi fi amplifiers.
The valve is used in many audio and guitar amplifier applications and we have found that the JJ greatly outperforms the Chinese GZ34 and 5AR4 items.
The Cryo version of this valve was normally only available in our Cryo full upgrade kits. Due to customer requests we have now made this item available for purchase outside the full upgrade kits.
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