Matched Factory code:R9D(1959 Apr. made). NOS Match 1 pair Mullard ECC81 TUBES. NOS 1 pair Mullard TUBES ECC81 foramplifier. Type : ECC81. Smooth plate/SQ getter. Rectifier 5U4/5Z3/GZ32/6X4. Vacuum very specialized and complex issues involved .
Item Tag: Mullard
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Mullard / Philips EL84 / 6BQ5 – matched pair NOS
They are NOS and absolute pristine in both performance and apperance.Genuine Mullards with identical codes: B9K1 and B9K3. Made at Mullards tubeplant in Blackburn in 1969.
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Perfectly Matched Pair of Mullard 12AX7 ECC83 mC1 1957 Shield Vacuum Tubes #2
Beautiful pair of Mullard 12AX7 long plate square getter mC1 tubes, with identical shield logos. Perfectly matched and balanced for Gm on the Amplitrex AT1000. 1957 Blackburn, UK, date codes. Date codes mC1 B7B & mC1 B7F.
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MATCHED PAIR MULLARD 6CA7 EL34 TUBES xf2 B8F3 TV/7 and Amplitrex Tested 100%
Etched Code is xF2 B8F3 = 1968 Blackburn Factory. Mullard EL34 6CA7 Tubes. Amplitrex AT1000 Tested. The minimum for a EL34 is 30. Years ago, I put away a bunch of great Tubes. Matched Pair. There are tens of thousands of tubes there.
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NOS Amperex Mullard BUGLE-BOY 12AT6 / HBC90 tubes – United Kingdom
SquareTrade © AP Visit this seller’s eBay Store! TubeMuseum How many times have you purchased what you read advertised as balanced and tubes on eBay and have received mismatched or marginal tubes? Well, get rid of those! Here are MUSEUM QUALITY tubes that will end your search for the Museum Reference Quality you would expect from a Premium tube in your ultimate tuner or system. PRICE IS FOR 1 TUBE = BID 5 for 5 TUBES! NOS NEW OLD STOCK MUSEUM QUALITY AMPEREX 12AT6 = 12DT1 = HBC90for FM TUNERS RADIOS Superheterodyne AMPLITREX CERTIFIEDVERY GOOD TUBES FROM 1965 OLD-WORLD ENGLANDULTRA-LOW-NOISE SPECIMEN Please PayPal Welcome! Terms of Auction We back our auctions with a 100% satisfaction guarantee. Please SEE my other ebay Auctions : Visit this seller’s eBay Store! TubeMuseum View seller’s other items PRICE IS EACH, BID 5 FOR 5 TUBES!
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Very Rare BRIMAR Made 1960 NIB / NOS MULLARD ECC82 / 12AU7
Very Rare BRIMAR Made 1960 NIB / NOS MULLARD ECC82 / 12AU7. The BRIMAR codes on the reverse 1C0/1571, shows it was made at the Brimar Plant in the first week of March, 1960. The 1571 is the Brimar code for 12AU7.