Harma Valves / 6L6GC-HARMA RETRO

6L6G-HARMA RETRO 6L6G-HARMA RETRO Click on image(s) above to view larger
£18.00

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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 Retro is a re issue of the famous Sylvania STR 387 that was produced for Fender in the early 1970s.This was one of the most famous 6L6GC and sought after for it balanced and clear sound.

The valve is designed to break up later than many 6L6GC on the market in order to give that big Fender clean sound. The valve produces an even and rich soundstage without sounding muddy under full distortion. This is one of the best clean sounding current production 6L6GC made today. The treble is clear and smooth and has a nice chime when used in Fenders close to the old USA made Philips Sylvania sound. The design also has an extended treble response in order to spice up old vintage amps and also cater for the modern high gain sound.

The bass response is rock solid and very clear and defined. This when added to the top ends smooth response makes this one of the best sounding 6L6GC on the market today.

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