Mesa Boogie Pre Amp Kits / Mesa Prodigy Four 88 Harma ECC83 Retro Classic Preamp Kit

Mesa Prodigy Four 88 Harma ECC83 Retro Classic Preamp Kit Mesa Prodigy Four 88 Harma ECC83 Retro Classic Preamp Kit Click on image(s) above to view larger
£50.00

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The Harma ECC83 Retro classic kit has been designed to give your Mesa a fatter sound with more midrange warmth and smoother top end transparency. The warmer mid emphasis gives that classic warm punchy bass sound. The smoother top end response has the advantage of reducing the high end spike particularly on active basses.

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 Harma Retro when used in conjunction with the extensive tonal shaping of the Mesa provides the full range of modern clean sound right through to a big warm and rounded bass sound.

The Harma Retro also removes the brittle top end characteristic by fatten and smoothing out the high end frequencies thus providing a warmer and clearer top end with more bass extension and clarity.

This set will suit the player who wants to get more of a vintage valve sound with enhanced midrange warmth.

The kit consists of 3 valves

2 Specially Selected Harma ECC83 Retro
1 Specially Selected & Balanced Harma ECC83 Retro

Please note that this kit is for the valves only

All Harma preamp valves are Dynamically Drive tested under real working condition have passed the following tests:

Gain (db) Drive Tested)
Transconductance (gm) Drive Tested
Output Drive Tested
Noise 1 (signal to noise)
Noise 2 (Aural)
Microphonics Test 1(Ambient)
Microphonic Test 2 (Shock)
Cathode Test
Grid Leakage Test

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