Preamp Valves TAD 12AT7WTCNOS TAD 12AT7WTCNOS selected preamp tube 12AT7WC NOS-selection balanced (RT004) View
Preamp Valves Groove Tubes 12AT7 Groove Tubes GT-12AT7-Y The GT-12AT-7 is often used as a phase shifting tube in some well-known hi-fi and bass amplifiers and provides a wide dynamic range. This tube ensures that the signal can be reproduced clean and linear. In some recent American amplifiers, the GT-12AT7 is also used in the second pre-amplification, whereby the lead channel mostly indeed receives a lower... View
Preamp Valves TAD ECC81/AT7CZ TAD ECC81/AT7CZ selected preamp tube ECC81/12AT7-Cz balanced (RT052) View
