The PM Guitar Tube 12AX7A Valves Preamp Rectifier is a vintage power tube designed for use in sound and vision systems. Made by PM, this model is known for its high-quality performance and durability. Perfect for those looking to add a classic touch to their audio setup, this valve offers a warm and rich sound that is ideal for vintage audio enthusiasts. Listing is for one tube From a smoke a pet free home
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Rare Black Label variant. Simply outstanding tested tube nearly impossible to find in this condition! Circa: 1958 mC1 series 17mm long plate tube with the angled O-getter. Premium quality example of one of the early German made ECC83 tubes and very highly sought after.
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Pair RCA 12AX7A / ECC83. AUDIO VACUUM TUBES. AMPLIFIER TYPE TUBES. Mini Tubes. TESTED on HICKOK TV-7.
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Triple Platinum Matched on Amplitrex AT1000. Amplitrex AT1000 Test Results 90%+ GM = Within NOS Specs 90%+ EM = Within NOS Specs. All tubes are tested with the Audiophile in mind for SHORTS, GAS, MUTUAL CONDUCTANCE and NOISE (large tube lots are not tested for noise).
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Sold by RCA.
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Both tubes test NOS with tube 1 at 58/50 and tube 2 at 52/50 with 32 being the minimum score for a good tube (with 65% life remaining).
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I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.
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Here we have for sale is an incredibly rare NOS Mullard 10m 12AX7 ECC83 Gold Pin Tube. Top sought after Holy grail 12AX7 ECC83 tube people are after for their collection. Factory tested and Selected tube to be one of the highest quality 12AX7 ECC83 tubes Mullard was capable of producing.
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