Vintage 12 Tube D&A Phantom 500 Linear Amplifier

Vintage 12 Tube D&A Phantom 500 Linear Amplifier. Condition is Used. Ok so unit is pretty clean...i sold to a local and it was working great with full output on high... All 12 tubes tested 110 plus...recently recieved it back on a trade and this is what i learned upon hooking it up to my cobra 29ltd... There is no tune on low.. Beleive the front loading pot needs replaced ..i turn it with a flat screw driver with no change...on high it would key 75 and swing about 6 to 650 peak not... rms... Before on high with my mfj meter it would do 1200 easy peak... So i tested tubes and found 4 tubes to be less then 35 and tested low ... All.others were in the good range on my tube tester... I am only asuming but i think 4 flat tubes and a couple at 80% 6 original d&a tubes all testing 110 to 120.... So that being said it fmdoes work..all tubes light up but it will need some replaced and i think that will bring it up to full out put...my cobra was only keying 1 watt and swinging to a peak of 13 so with 25 watt drive output might be a little higher...for its age its in great shape...there is a round ring on front where someone had glue ... The case has a few dings in the corners... This is what i know and i beleive with a little love itll be one nice amp for a collection....please ask any questions before buying ..also if your rating is lower then 200 please contact me before you bid...have had some bad bids from lower rating ebayers that failed to respond or pay...thanks

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