› pristin-electronic-tube-6k4-tube

2PCS 6K4 Electronic Tube Valve Vacuum Tube Replacement for 6AK5/6AK5W/6Zh1P/6J1/6J1P/EF95 Pairing Tube Amplifier DIY Preamp Vacuum Tube Specifications: Each package contains a pair of fully tested and matched 6K4 Vacuum Tubes. Replacement for 7-pin...