Ampeg Full Revalve Kits / Ampeg SVT 2 Pro Harma Retro 6550A Classic Full Upgrade Kit

Ampeg SVT 2 Pro Harma Retro Classic 6550A full revalve kit Ampeg SVT 2 Pro Harma Retro Classic 6550A full revalve kit Click on image(s) above to view larger
£314.00


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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.
Ampeg SVT 2 Pro Classic Retro Full revalve kit is designed to give your SVT 2 Pro a clean sound but with more emphasis on the midrange. This set will suit the player who wants to get more of a vintage valve sound with enhanced midrange warmth.

The Harma ECC83 Retros main feature is its smooth linear midrange and extended low frequency response so you get smooth warm mids with tight fat punchy lows.
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 modern clean sound right through to a big warm and rounded bass sound.

The Harma ECC82 Retro is designed on the ladder plate design that was used by Mullard and Philips.

The valve features a small 3 rib centre box section with welded plates with reduces microphonics. The ECC82 Retro 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 outstanding feature of this valve is its smooth linear midrange response and extended frequency response so you get smooth warm sound with tight fat punchy lows.

The Harma 6550A has a rich warm transparent sound and supreme reliability and 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 classic Rock sound that give a very full and deep rounded bass sound.

The kit consists of 14 valves

5 Specially selected Harma ECC83 Retro
3 Specially selected Harma ECC82 Retro
6 Specially selected Harma 6550A Retro in a matched sextet

Please note that this set is for the valves only

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