selected preamp tube 12AT7 / ECC81 (RT002)
Rich-sounding Reverb Driver – Also Great for Headphone Amps!
Latest version: Low noise tube, selected for best symmetry and balance. A strong driver tube and a wounderfully rich-sounding reverb driver. Also used in the great Brocksieper EARMAX / EARMAX PRO headphone amps and other High-End Audio amplifiers.