Morgan Amplifiers / Morgan AC20 Deluxe Philips EF86 Groove Tubes Super Pre EL84S Full Upgrade Kit

Morgan AC20 Deluxe Philips EF86 Groove Tubes Super Pre EL84S Full Upgrade Kit Click on image(s) above to view larger
£176.00
£158.40

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Groove Super Premium S Series full upgrade kit is designed to give your amplifier the ideal balance of clean headroom and smooth warm overdrive using a specially selected set of Groove Tubes.

The Groove Tubes Super Premium ECC83S are the selected GT items and in addition to GTs in house testing are specially drive tested by us to ensure even gain and checked for low noise and microphoney.

ECC83S Groove Tube produces a warm even tone with a full rounded bass response. The valve has a medium gain, when compared to many other modern 12AX7 types. This makes it particularly useful to calm down gain channels of high gain amplifiers to keep overdrive and saturation under control. This nice rounded tone makes this a good choice for amplifiers where clarity and warmth are required.

Groove Tubes Super Premium EL84S valves are specially burst tested by us. We take selected GT items and in addition to GTs in house testing and distortion rating on output valves they also 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 GT valves available anywhere in the world.

The GT EL84S is Groove tubes most popular EL84 as it offers a warm clean vintage sound. The valve has a clear and even frequency response with a nice open treble response. The bass has a warm rounded sound which is tight and punchy.

The heart of the sound is the classic EF86 channel and The only valve that truly supplies that original sound is a new old stock Philips Dario mesh anode EF86. Philips owned Mullard from 1926 and the Dutch made Philips Dario EF86 is considered by many as the best EF86. So to provide that magical warmth we have taken a selected Philips Dario Miniwatt mesh plate EF86 for this kit.

This is a great replacement set for those who want a classic clean through to a vintage overdriven sound.

The Kit consists of 6 valves

1 Specially Selected Groove Tubes ECC83S
1 Specially Selected & Balanced Groove Tubes ECC83S
1 Specially selected EF86 Philips Dario
2 Groove Tube EL84S Super Premium in a matched Pair
1 Specially selected Groove Tube GZ34

Please note that this kit is for the valves only

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