6550EH & 6550EHPL – Electro-Harmonix

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January 8, 2009 at 10:21 pm #77512

ZAnton
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What is the difference between these tubes: 6550EH & 6550EHPL?

January 8, 2009 at 10:35 pm #90333

electro-melx
Moderator

it means they are ‘platinum matched tubes’ see here for a detailed explanation.

http://www.jacmusic.com/ehx/more-info/platinum-matching.html
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