Tung-Sol Preamp Tubes TUNG-SOL QUAD (FOUR) 12AX7 ECC83 Preamp Tubes $104.95 TUNG-SOL QUAD (FOUR) 12AU7W 6189 12AU7 Preamp Tubes $99.95 TUNG-SOL QUAD (FOUR) 12AT7W 12AT7 Preamp Tubes $93.95 Tung-Sol PAIR (TWO) Factory Platinum Matched GOLD 6SL7 6SL7GT GOLD Tubes $141.75 TUNG-SOL PAIR (TWO) 12AX7 ECC83 Preamp Tubes $58.95
