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(!!!!!) (Best Pair) ECC81=12AT7 Mullard UK branded Raytheon NOS 1972 (10.6/10.7ma and 10.4/11.2ma) 1-3% matched
(!!!!!) (Best Pair) ECC81=12AT7 Mullard UK branded Raytheon NOS 1972 (10.6/10.7ma and 10.4/11.2ma) 1-3% matched
$ 149.99
1 low noise pair) ECC81=12AT7 Mullard UK branded Raytheon NOS 1972 in white boxes made in Blackburn plant, UK
1 tube) 10.6/10.7ma Gm=6100 and 6100
1 tube) 10.4/11.2ma Gm=5900 and 6200
- Tested on Amplitrex AT1000
- Low Noise and not microphonic
- Good Ma range 8-10ma
- Good Gm range 4500-5500
- Jolida JD303
- Audio preamps and amps
- Guitar amps
See more: vacuum tube
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 (Best Pair) ECC81=12AT7 Mullard UK branded Raytheon NOS 1972 (10.6/10.7ma and 10.4/11.2ma) 1-3% matched&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_356acb4d-3bf0-4182-bdeb-3d9b4c2e2b07.jpg?v=1647034005){kind=link}
 (Best Pair) ECC81=12AT7 Mullard UK branded Raytheon NOS 1972 (10.6/10.7ma and 10.4/11.2ma) 1-3% matched "Pin It")