NOS SYLVANIA VT231 6SN7GTSpecial Low Noise grade MPNOS SYLVANIA VT231 6SN7GT Special Low Noise grade MP New Old StockBeautiful 1944 NOS matching pair of rare, special application grade, low noise SYLVANIA grey glass VT-231. These are unused stock from a collection of industrial grade electronics I recently acquir...105.00

NOS SYLVANIA VT231 6SN7GT Special Low Noise grade MP New Old Stock [Expired]


no longer for sale

Beautiful 1944 NOS matching pair of rare, special application grade, low noise SYLVANIA grey glass VT-231. These are unused stock from a collection of industrial grade electronics I recently acquired. These were special RF shielded and were selected out of many VT-231's for low noise and close triode matching. They also have matching 1944 date/SC-966-A plant codes on base. They come in old white military boxes they were re-boxed in after testing. They have been listening tested in a high resolution system and sound excellent! About as nice a pair of these as you will find anywhere. Fully tested on a calibrated Hickok 539C at 2800/2900 & 2950/3000 where min is 1640 & NOS 2550. Please see my other items for more top quality tubes from this collection Thanks.
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decola 

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Member since December 2004

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