NOVIK CERAMIC PRO 40 (TOP: ECC40 BOTTOM: 6SN7GT, for SCHIIT LYR3). NOVIK CERAMIC CONVERTER PRO 83 (FOR SCHIIT LYR 3). NOVIK CERAMIC PRO 83 (TOP: 12AU7 BOTTOM: 6SL7, 6SN7). NOVIK uses 99% high-quality components produced 40-50 years ago.
eBay
NOS is subject to interpretation and there is no specific definition for it either. There are suggestions and opinions. Tube testers do not test for these problems in the manner in which you think, except to the extent that a tube tester with sensitive leakage detection will find far more “noisy” tubes than a tube tester with only “fair” leakage sensitivity, to the extent that the noise is due to this problem.
eBay
eBay
The 6N9S double triodes are enclosed in glass bulb and are provided with an octal base and an indirectly heated oxide-coated cathode. The 6N9S double triodes are resistant to ambient temperature from -60 to +70°C and relative humidity of 95 to 98% at +40°C, as well as to vibration with an acceleration of 2.5g and multiple impact up to 35g.
eBay
A Pair of 6N9S 6SL7 Vacuum Tubes. Made in the USSR in 80' at the Reflektor factory. Tubes are new and newer used. We will be happy to resolve any issues.
eBay
6SL7GT USSR. NEW AND UNUSED.
eBay
Price is for One Firve Marconi 6SL7 CV569 ECC35 VT-229 Brown Base Black plate D Getter NOS Tested and balanced Made in Italy, carefully tested on TV-7/U as shown with min good at 32 (65%) and on AVO CT160, no short, no gas, function flawlessly in my hifi system, matched and balanced.
eBay
1x 6N9S Reflector (6SL7, 6SU7, ~1579). SOVIET Double Triode. • Input capacitance of the first triode 3 pF. • Input capacity of the second triode 3.4 pF. • Output capacitance of the first triode 3.8 pF.
eBay