TheMarshall ECC83 is the absolute classic among preamp tubes. The legendary ECC83 – also known as 12AX7- has always impressed with its double triode design and is responsible for the distortion character of the most famous recordings of rock.
Item Tag: Vacuum Tube
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NEW OLD STOCK PLATINUM MATCHED PAIR MULLARD BLACKBURN 12AU7 ECC82 CODE MATCHED
Up for sale is a premium matched pair of Amperex-labeled Mullard Blackburn 12AU7A / ECC82 vacuum tubes, both carrying matching B3H4 etched Blackburn factory/date codes. These were manufactured by Mullard Blackburn, England, and labeled for Amperex.
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NOS JAN Sylvania 5814A Code-Matched Quad 10-74 Platinum Matched Low Noise
These are closely matched for both gain/mu and mA/V transconductance, with very strong low-noise results. This quad is very tightly matched on mA/V, with all sections testing between 1.50 and 1.54 mA/V.
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GE NOS 12AT7WC 6201 Preamp AUDIO Vintage Vacuum Tubes Premium Military!
All tubes tested on a B&K Model 625 Dyna Tester. All tubes tested for shorts and emissions leakage.
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New In Box Gain & GM Matched Pair Tung-Sol Reissue 12AX7 Preamp Tubes
New In Box Gain & GM Matched Pair Tung-Sol Reissue 12AX7 Preamp Tubes Closely matched for both GAIN & GM. Tubes in test photos is actual tube you will receive. Not just a random tubes pulled from inventory.
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Genalex Gold Lion ECC82 / 12AU7 Matched Pair – Tested Low Noise Audio Tubes
This is a solid, closely matched pair of Genalex Gold Lion ECC82 / 12AU7 tubes. The mA/V readings are very close between the two tubes, making them a good matched pair for hi-fi, preamp, driver, buffer, and other ECC82 / 12AU7 audio applications.
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NOS NIB Sylvania JAN 6189W/12AU7WA Matched Pair 10K Preamp Tubes Case Fresh
The price listed is for 2 tubes.
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Vintage RCA 12AU7A PLATINUM PLUS GRADE Clear Top Preamp Tubes Matched Pair =6189
All tubes come with a full 30 day, unconditional, no questions asked, money back satisfaction guarantee!Test scores will average between 85% and 95% of NOS values.Individual test scores will be written on the new boxes that you receive with your tubes. You are purchasing a “Platinum Plus Grade” matched pair of tubes. This means that the plate matching is virtually perfect on a calibrated Hickok TV-7 or 799 within 1%.These tubes were carefully screened by the manufacturers (Baldwin,Conn,Wurlitzer, Lowery etc.) and specially selected for their low noise and microphonic characteristics. This makes them ideal for your preamplifier and phono stage applications.Please see our other listings for “Silver, Gold and Platinum” tubes. Silver Grade tubes are matched within 15%, Gold Grade within 10% and Platinum 5%.The Gold and Platinum Grade pairs are recommended for more critical applications such as your preamp and phono stage.To purchase more than one pair, when available, simply change the number in the quantity box which is located just above the advertised price.Please email with any questions and/or concerns.Thank you for viewing my listings.
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1PC NEW Audio Valve Vacuum Blue Slovakia JJ KT88 Replace 6550 KT120
1PC NEW Audio Valve Vacuum Blue Slovakia JJ KT88 Replace 6550 KT120 Price is for one PC, buy 2pcs, we will send matched pair Thank you!.
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1PC Silver plated NEW Audio Valve Vacuum Slovakia JJ ECC81 Replace 12AT7 6201
1PC Silver plated NEW Audio Valve Vacuum Slovakia JJ ECC81 Replace 12AT7 6201 Price is for one PC, buy 2pcs, we will send matched pair Thank you!.