![Found these rca 5692 red base tubes in an old oscilloscope . Tested at 75%. I don't have anything to put Them in, yet, but maybe later down the road I will. Found these rca 5692 red base tubes in an old oscilloscope . Tested at 75%. I don't have anything to put Them in, yet, but maybe later down the road I will.](https://i.redd.it/k4lcxq829rh11.jpg)
Found these rca 5692 red base tubes in an old oscilloscope . Tested at 75%. I don't have anything to put Them in, yet, but maybe later down the road I will.
![LITAO-XIE, 2 x amplifier tube 6H8C vacuum replaces 6N8P / 5692 / 6SN7 / ECC33 / CV181 electronic pairing tube for lifting the bass valve : Amazon.de: Business, Industry & Science LITAO-XIE, 2 x amplifier tube 6H8C vacuum replaces 6N8P / 5692 / 6SN7 / ECC33 / CV181 electronic pairing tube for lifting the bass valve : Amazon.de: Business, Industry & Science](https://m.media-amazon.com/images/I/61TSy3hDVUS._AC_SX425_.jpg)
LITAO-XIE, 2 x amplifier tube 6H8C vacuum replaces 6N8P / 5692 / 6SN7 / ECC33 / CV181 electronic pairing tube for lifting the bass valve : Amazon.de: Business, Industry & Science
![GatherTOOL 2 Pieces DIY 6h8c Electron Tube Amplifier Vacuum Change 6N8P / 5692 / 6SN7 / ECC33 / CV181 Valve Strengthen Bass Sound for Amplifier : Amazon.de: Musical Instruments & DJ GatherTOOL 2 Pieces DIY 6h8c Electron Tube Amplifier Vacuum Change 6N8P / 5692 / 6SN7 / ECC33 / CV181 Valve Strengthen Bass Sound for Amplifier : Amazon.de: Musical Instruments & DJ](https://m.media-amazon.com/images/I/51Tqz-XBRWL._AC_SX425_.jpg)
GatherTOOL 2 Pieces DIY 6h8c Electron Tube Amplifier Vacuum Change 6N8P / 5692 / 6SN7 / ECC33 / CV181 Valve Strengthen Bass Sound for Amplifier : Amazon.de: Musical Instruments & DJ
![6SN7 neue produkt LINLAI 6SN7 rohr gerade generation 6H8C/6N8P/CV181/5692 rohr ursprüngliche test paarung| | - AliExpress 6SN7 neue produkt LINLAI 6SN7 rohr gerade generation 6H8C/6N8P/CV181/5692 rohr ursprüngliche test paarung| | - AliExpress](https://ae01.alicdn.com/kf/Sa4a4db03c64241b8be639b66d1dbc9b0s/6SN7-neue-produkt-LINLAI-6SN7-rohr-gerade-generation-6H8C-6N8P-CV181-5692-rohr-urspr-ngliche-test.jpg_Q90.jpg_.webp)