Hughes & Kettner Full Revalve Kits / Hughes & Kettner Switchblade 50 Classic EL34 Retro Full Upgrade Kit

Hughes & Kettner Switchblade 50 Classic EL34 Retro Full Upgrade Kit Hughes & Kettner Switchblade 50 Classic EL34 Retro Full Upgrade Kit Click on image(s) above to view larger

All prices contained on this page are exclusive of VAT. This is currently charged at 20% and is payable by the UK only.

Hughes & Kettner was established in 1984 and over first 30 years have set a high standard of amplifier design & innovation. Our upgrade kits will enable you to get the tone that you desire to suit your musical style. We have helped many customer get the best out of their amplifiers over the last 20 years. Indeed our own Harma E84L, which is the same Russian military valve that Hughes and Kettner are now using in their 30 th anniversary Tubemeister models. This is one valve that we have recommend for the last 20 years and with our upgrade kits you can now upgrade tour Tubemeister to Anniversary specification.
This Classic EL34 Retro upgrade kit is designed to go from a tight driving rock sound with plenty of rich sustain to a clean warm sound clear tone that makes the best of the amplifier clean sound.

This is done by using modern day production valves that is traditionally voiced to sound as close to the originals Mullards as possible. This is an effective upgrade as you will get more midrange warm and a sonic punch out of this kit.

We use a combination of the best of the current production and new old stock items to achieve this.

The Harma ECC83 Retro provides a harmonically rich and detailed sound with excellent 3D midrange warmth. This valve has a traditional British voiced sound that has a huge singing sustaining tone when overdriven. The outstanding feature of this valve is its smooth linear midrange response and extended frequency response so you get smooth warm overdrive with tight fat punchy lows.

The Harma EL34-Retro is based on the famous Mullard EL34 XF2 design and has a number of important features over standard EL34 types. The grids of the tube use a block construction this enables the valve to provide smoother output and eliminating odd order harmonics. The result is a tight bass response with a balanced sound stage and clean clear treble. Thicker glass not only adds strength but also provides lower microphonics. The valve has a slight midrange forwardness giving the sound a full rounded tone when distorted or overdriven.

The Harma EL34 Retro will suit the vast majority of guitarists from the classic rock player, the hard rock and metal player who want that classic Rock sound. The EL34 Harma Retro has also attained a 5 star review in Guitar Buyer magazine therefore making this the ideal valve for this remarkable amp.

The set consists of

1 Specially Gain selected Harma ECC83 Retro
1 Specially Gain selected Harma ECC83 Retro balanced
2 Selected and matched Harma EL34 Retro in a matched Pair.

Please note that this is the valves only



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