The price is for One! Total of 5 are Available. One is different than the other 4 – Made in a different year but the same type of tube. That is the first from left to right. Vintage NOS (Never Used New Old Stock) Mullard CV4004/12AX7/ECC83 Military Box Plates. Made in England at Mitcham. And 1966 or 1956. Check the codes in the pictures. This is the British military designation for a ruggedized, long-life version of the standard 12AX7 / ECC83 dual triode tube. These are highly prized for their robust construction, superior audio quality and low noise. Factory, often characterized by a. These are considered super premium and one of the best ever. Tested in a Guitar Amp and they all sound phenomenal! I don’t have tube tester, but They all are Never Used New Old Stock.

For sale is one (1) vintage Ken-Rad 2A3 tube as pictured. The tube’s base is tight and secure with zero movement / looseness. The test results are displayed in the photos New 2A3 Spec 100% = 5,2. See the photos for physical / cosmetic condition. Notes Regarding Tube Tests. All tubes are tested on an Amplitrex AT-1000 tester in the automatic Fixed Bias Mode (for the most conservative results). Test Results are for a general reference only, and are not a guarantee of performance, nor a guarantee of how they will test on your tester. No real world (audio) performance measurements are taken.

LARGE LOT NINTY TUBES. POWER OUTPUT AMPLIFIER TUBES. POWER PENTODES ALL 90 TUBES NOS NIB. MADE WITH DOUBLE GETTER BLACK PLATES ONE GETTER SIDE PLATE ONE GETTER TOP OF MICA. VINTAGE TUBES MADE IN THE UNITED STATES. LARGE PILE OF NOS NIB TUBES SAME TYPE. HIGH QIALITY SYLVANIA MADE TUBES FOR TUBE AMPLIFIERS.

This particular set is the same as the 3-hole military VT-231 version, and tests strong. Special care was taken not to rub off any of the print while testing. The tubes’ test results are displayed in the photos (New 6SN7 Spec 100% = 2,600 Gm). See the photos for physical / cosmetic condition. Notes Regarding Tube Tests. All tubes are tested on an Amplitrex AT-1000 tester in the automatic Fixed Bias Mode (for the most conservative results). Test Results are for a general reference only, and are not a guarantee of performance, nor a guarantee of how they will test on your tester. No real world (audio) performance measurements are taken.