2pcs matched Vacuum Tube Gold plated Russia TUNG-SOL 6SN7 6SN7GTB Replace 6N8P
2pcs matched Vacuum Tube Gold plated Russia TUNG-SOL 6SN7 6SN7GTB Replace 6N8P
2pcs matched Vacuum Tube Gold plated Russia TUNG-SOL 6SN7 6SN7GTB Replace 6N8P