Maxi Pre-amp Tested Mullard M8137 / Cv4004 / 12ax7 / Ecc83 Box Plate Tube

Maxi Pre-amp Tested Mullard M8137 / Cv4004 / 12ax7 / Ecc83 Box Plate Tube

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Item ships from Spanaway WA USA

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GROOVE TUBES ST-5751-M TUBE SILVER SERIES NEW IN BOX MAXI PREAMP TESTED (176239664515)
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HIGH GAIN (99.9, 97.0) RCA 12AX7 / ECC83 TUBE LONG BLACK PLATE SQUARE GETTER (176576438723)
MAXI PREAMP II TESTED TUNG-SOL U.S.A. 12AX7 / ECC83 AUDIO PREAMP TUBE GREY PLATE (186613271641)
HIGH GAIN (112.6, 102.7) TESTED RCA 12AX7A TUBE SHORT GREY PLATE HALO GETTER (186750552291)
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HIGH GAIN (102.2, 107.8) RCA 12AX7A / ECC83 AUDIO PREAMP TUBE GREY PLATE HALO (186686237380)
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TESTED VINTAGE GE 5751 TUBE TRIPLE MICA BLACK PLATE HORSESHOE GETTER (175102685897)
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