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Mesa Boogie Full Revalve Kits / Mesa California Tweed 220 Harma Vintage Philips 6V6GT Full Upgrade Kit
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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.
These are specially selected full revalve kits for Mesa Boogie owners. The sets consist of specially position selected pre amp valves that have been selected for each position in your Mesa. We have 2 pre amp kits, Standard gain, to give a warm and fat overdrive and Our Classic kit provides boogie owners with a valve close in tone to the vintage Mullard ECC83.
In terms of 6L6GC we have selected sets available that will work with the boogies fixed bias arrangement. Certain 6L6GC will be better for certain kinds of music and these we have indicated in our product description.
Special Offer 15% DiscountThe Harma 12AX7WA Vintage and Philips 6V6GT upgrade kit has been designed to give you an outstanding clean sound with midband warmth without going thin and mushy especially when pedals are used to overdrive your amplifier.
The Harma 12AX7WA Vintage has been specially designed by the factory to recreate the two most vital elements of classic valve sound. The famous Mullard mid band and the outstanding top end clarity of the General Electric.
Sonically, the Harma 12AX7WA Vintage has plenty of definition with a clear open top end chime whether played in clean or overdriven mode. The factory enhanced midband replicates the vintage Mullard producing as warm and thick mid sound with excellent note the definition.
The master stroke is that the Harma 12AX7WA does not go thin and fizzy or harden in the midland when driven with pedals. it retains the sparkle and chime and gives the overdriven sound fatness and smoothness without being brittle or hard.
In clean mode the Philips 6V6GT has a harmonic open top which provides a warm transparent clean sound. The bass response is tightly focused with rock solid bass note definition.
No other new old stock or modern 6V6GT supplies this sparkling clean sound and top end chime that the military USA Philips 6V6GT delivers. That is why this valve is considered the bench mark when it comes to Fender style clarity.
The superb way that the Philips 6V6GT valve handles distortion and drive pedals is where this valve excels. When overdriven the valve has a nice crunchy later break up, the midrange is rich in harmonics with unrivalled clarity and when fully overdriven the bass does not go flabby like many other 6V6GT.
The upgrade kit consists of 8 valves
4 Specially selected Harma 12AX7WA Vintage
1 Specially selected & Balanced Harma 12AX7WA Vintage for V5
1 Specially selected Harma ECC81 STR for V4
2 Specially Selected & Matched Philips 6V6GT
Please note that this upgrade kit is for the valves only
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