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RARE 4 PCS 6N2P /12AX7 /ecc83.foton .vacuum Double Triode Tubes .1960'.tested.amp.valve Tube.dual Mica. - Etsy
![6 SL 7 GT Vacuum tube Double triode 300 V 2.3 mA Number of pins (num): 8 Base: Octal Content 1 pc(s) | Fruugo TR 6 SL 7 GT Vacuum tube Double triode 300 V 2.3 mA Number of pins (num): 8 Base: Octal Content 1 pc(s) | Fruugo TR](https://img.fruugo.com/product/6/81/57197816_max.jpg)
6 SL 7 GT Vacuum tube Double triode 300 V 2.3 mA Number of pins (num): 8 Base: Octal Content 1 pc(s) | Fruugo TR
![Electronic Tube - 12AT7-TII Glass Electronic Tube Amplifier Double Triode Small Nine-legged Tube Matched Pair Preamplif : Amazon.co.uk: Musical Instruments & DJ Electronic Tube - 12AT7-TII Glass Electronic Tube Amplifier Double Triode Small Nine-legged Tube Matched Pair Preamplif : Amazon.co.uk: Musical Instruments & DJ](https://m.media-amazon.com/images/I/61POaTkvuZL._AC_UF1000,1000_QL80_.jpg)
Electronic Tube - 12AT7-TII Glass Electronic Tube Amplifier Double Triode Small Nine-legged Tube Matched Pair Preamplif : Amazon.co.uk: Musical Instruments & DJ
![amplifier - Single double triode vacuum tube for headphone amp at high voltages - Electrical Engineering Stack Exchange amplifier - Single double triode vacuum tube for headphone amp at high voltages - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/9BNHv.png)
amplifier - Single double triode vacuum tube for headphone amp at high voltages - Electrical Engineering Stack Exchange
![But being as this is a 7550 dual triode, the most powerful subminiature tube in the world… - Effectrode But being as this is a 7550 dual triode, the most powerful subminiature tube in the world… - Effectrode](https://www.effectrode.com/wp-content/uploads/2016/12/159_7550_and_6021_tubes_960px-1170x632_c.jpg)
But being as this is a 7550 dual triode, the most powerful subminiature tube in the world… - Effectrode
![6112A/6112 RCA, Raytheon Double Triode Tube. Designed to function in high vibration, temperature, and shock environments. New old stock. No longer available for export. MFR: RCA, Raytheon. SKU: 6112 6112A/6112 RCA, Raytheon Double Triode Tube. Designed to function in high vibration, temperature, and shock environments. New old stock. No longer available for export. MFR: RCA, Raytheon. SKU: 6112](https://media.rfparts.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/6/1/6112_rca_1_1.jpg)
6112A/6112 RCA, Raytheon Double Triode Tube. Designed to function in high vibration, temperature, and shock environments. New old stock. No longer available for export. MFR: RCA, Raytheon. SKU: 6112
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