Harma Valves / 6L6GC-HARMA STR

6L6GC-HARMA STR 6L6GC-HARMA STR Click on image(s) above to view larger
£20.00

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A test report is available click here to view

Harma valves consist of a selected range of valves that are chosen after meeting stringent standards for sound quality and reliability. These valves are sourced from current production as well as some of the finest Nos valves available. Unlike our competitors no Harma valves, past or present has been made in China. Harma valves represent the finest available items of their type available.

Harma valves are tested using a range of custom designed and built test rigs which are unique to Watford valves.These unique tests are not offered by any other valve supplier in the world.

All Harma pre amp valves undergo the drive rating system; the valve undergoes a series of through tests under full operational conditions. This involves a controlled burn in process to ensure perfect stability and correct ageing. A shock and vibration test, microphoney, hum, and a balance and symmetry test.

All Harma output valves undergo our own unique real world burst testing. No other supplier tests valves this way. The burst testing process involves a series of varying timed electrical signal bursts. This runs the valves under the same stress conditions that they will meet in your amplifier especially when overdriven. All out put valves are then dual matched by us on anode current and gain. This will ensure that you get the best selected valves available anywhere in the world.
The Harma 6L6GC STR has a number of features that make this an ideal upgrade in all audio and guitar amplifier applications.

The glass envelope is made from extra thick high grade glass which prevents microphonics. Internally the Harma 6L6GC-STR features gold grids and a high temperature alloy for the plates, giving the valve better heat transfer especially under overload situations.

This results in the valve sonically having a large dynamic range which produces that big vibrant sound stage. The Harma 6L6GC-STR has a rich punchy tone with a nice open treble with a warm and detailed midrange. The valve has more top end output than our Harma Retro 6L6GC which is great for Fender style amplifiers.

The valve when overdriven produces a nice rounded punchy distortion which will suit all styles of music.

As with all Harma valves, the 6L6GC-STR undergo our own unique real world burst testing. The burst testing process involves a series of varying timed electrical signal bursts. This runs the valves under the same stress conditions that they will meet in your amplifier. All out put valves are then dual matched by us on current and gain. This will ensure that you get the best selected valves available anywhere in the world.
They come dual matched on plate current and gain and are available In matched pairs and quads.

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