This Mullard ECC83 pre-amp tube was made in Blackburn in July 1963. It has 15mm ribbed plates, a halo gettter, straight pins and very clear printing. I don't have performance data, but on test in my amplifier it has the usual Mullard qualities of depth, clarity, headroom and very low noise.
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ECC83 / 12AX7. TESTS 100%.AS GOOD OR BETTER THAN NEW TUBE. 100%. PRICE IS FOR ONE PIECE. ( 1 Tube ).
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This was made in The Netherlands with the date code ◿7L4. A used Mullard ECC83 valve (short 14mm plate) in good working order. ia (mA) - 1.2. Data Book Specification. GM (mA/V) - 2.05. ia (mA) - 1.7.
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ECC83 / 12AX7. These tubes test less than 100% on one or both anodes but are perfectly good and have plenty of life left in them. PRICE IS FOR ONE PIECE. ( 1 Tube ). 75 - 99 %.
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A PAIR OF MULLARD CV4004 M8137 ECC83 NEW OLD STOCK MATCHED BRITISH GOOD QUALITY
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Fully tested on a TV7BU. See pics for test and condition details.
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Sections Matched for gm to 10%. These are new production by New Sensor. We were shocked at how good these re-issues are. Try them in your classic guitar amplifier as well, for that thick 60s sound with fast attack and decay.
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