Blackstar Full Revalve Kits / Blackstar Series One 200 Classic 6550A Retro Full Upgrade Kit

Blackstar Series One 200 Classic 6550A Retro Full Upgrade Kit Blackstar Series One 200 Classic 6550A Retro Full Upgrade Kit Click on image(s) above to view larger
£207.00
£186.30

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Black Star guitar amplifiers have quite rightly caused a major buzz in the music industry since their launch back in 2007. By upgrading the valves to our selected sets customers have been able to voice their amps to their personal requirements. Customers have reported a range of benefits when upgrading the valves over the factory items. Here we have listed our most common upgrades using current production and the best new old stock items to help you get the most out of these fine Black Star amplifiers.
10% Discount


The Harma 6550A Retro Classic upgrade kit covers the Black Star Series One 200 KT88 equipped head and is designed to provide clean head room with a tight focused sound with an extended treble with plenty of bottom end slam.

This combination designed to give you the most clarity and definition when playing metal hard rock or thrash. The set replaces the stock KT88 with the Harma 6550A Retro in order to get the best out of the modern high gain voicing that the blackstar offers.

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 ECC82 Retro overdrives very evenly and does not fall apart when you saturate the amplifier. The valve improves the amplifier as it removes the grainy unmusical fuzz that is displayed by many modern ECC82 in the Blackstar. This valve adds fatness and midrange warmth to the Blackstar sound.

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.

The valve has a deep and rock solid bass with plenty of midband musical detail.
In clean mode the valve is very well balanced with a big clean sound and a smooth top end response with no harshness. In overdriven mode the valve provides massive headroom. All the notes are clear and musical even with high levels of saturation. If you scoop out the mids the valve is plays a clear top end with a tight bottom end without losing power on heavy chords. The Harma 6550A Retro is one of the best 6550 on the market today and therefore is an excellent upgrade over the stock valves.

The kit consists of 9 valves

4 Specially Selected Harma ECC83 Retro
1 Specially Selected & Balanced Harma ECC82 Retro
4 Specially Selected and matched Harma Retro 6550A

Please note that the kit is for the valves only

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