Ampeg Full Revalve Kits / Ampeg SVT 2 Pro Harma 7025 6550A Retro full revalve kit

Ampeg SVT 2 Pro Harma 7025 6550A Retro full revalve kit Click on image(s) above to view larger
£321.00
£288.90

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These Ampeg full revalve kits are put together to provide a sonic upgrade to your Ampeg. I own and have played over the past 30 years Ampeg SVT, Original V4B and for recording used the B15-N portaflex.These amps are still the kings of bass amplifier in my opinion and these kits use the best of New Old Stock valves and modern day production items to give you the best sound out of these lengendary bass amps.
10% Discount



Ampeg SVT 2 Pro Harma 7025 Pre amp kit is designed to give your SVT 2 Pro a clean sound but when run with a fair amount of input gain will give a little valve distortion that will recreate the edge of the original all valve vintage SVT.

This set will suit the player who wants to get more of a vintage throaty ampeg valve sound.

The Harma 7025-STR DR 250 is a high gain valve selected for bass amps and it will not distort as soon or sound as fizzy as the standard Chinese 12AX7-C. The Harma 7025 therefore offers better performance with this regard. The valve is very well balanced with nice even bass which has plenty of depth with the top end being more aggressive and hard.

The Philips Jan Military Specification ECC82/5814A was made with the highest grade materials and with no compromise on selection or quality control as they were for the American Government. These valves have a number of unique features such as high grade filament isolation so even after long periods of use the filament will not degrade. Immune to shock and vibration and were also rated for long life. The 5814A has a very clear bass response, which is both tight and musical. The sound is well balanced and good even detail across the audio spectrum with a clear and smooth treble. The sound and build quality is not equalled by any modern day valve. That is why it is used in this kit

The Harma 6550A has a rich warm transparent sound and supreme reliability.
The valve has a number of important features .It uses special thick mica with internal bracing and spacing supports with full length anode heat wings to aid cooling capacity and provides improved heat transfer. The plate is constructed out of high temperature laminated alloy with an industrial grade glass envelope to prevent microphoney. The control grid wire is made of gold with a special coated screen grid to improve reliability.

This is certainly the best sounding 6550 that I have found in the Ampeg SVT in both original and PCB units in over many years of use.

The valve when used in conjunction with the extensive tonal shaping of the SVT 2 pro can be used to get the full range of vintage sounds, Precision bass type clank with a more aggressive top end sound.

The kit consist of 14 valves

5 Specially selected Harma 7025-STR DR 250
3 Specially selected Philips JAN ECC82/5814A
6 Specially selected Harma 6550A Retro in a matched sextet

Please note that this is the valves only

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