Original machine use 6CG7 6FQ7 vacuum tubes.
After plugging in the 6SN7 TO 6CG7 adapter,
you can use 6SN7 6SL7 6N8P 6N9P CV181 vacuum tubes
Material:
A. 6SN7 TO 6CG7
1. White Ceramic gold-plated socket
2. Black Bakelite shell
3. Copper and gold-plated pins
4. Liquid epoxy sealing
5. Use environmentally friendly solder for soldering