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EI Philips

Rare Matched QUAD PL504 NOS for Graaf GM100 GM200 OTL Amplifiers EI Philips

Rare Matched QUAD PL504 NOS for Graaf GM100 GM200 OTL Amplifiers EI Philips

€249,50
€249,50
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PL504 EI Philips Platinum Matched quad

Auction is for four tubes (matched quad) of rare PL504 EI Philips, the same codes, from the same batch (80 pcs styrofoam master packs). 

I had more then 500 pcs of these tubes, and all quads I have are carefully tested and matched by plate current on my Metrix U61-B tester. Due to big number of tested tubes, they are matched within 5% or less!!! 

Please order three quads for Graaf GM100 and you'll get 12 tubes matched within 5%.

For Graaf GM200, please order eight quads and you'll get 32 tubes matched within 5%.
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