Blue Audio RIAA Phono Preamp and Earphone OTL Tube Amplifier Combo

Parameters:

Input signal for MM-level input: 3...5 mV
Input impedance for RIAA phono preamp: 47 kOhm
Output level for RIAA phono preamp: 500 mV (Line level)
Phono correction method: RIAA curve, passiivne
Input level for earphone OTL amp input: 500mV
Input impedance at earphone OTL amp input: 100kOhm
Suitable earphones with impedance: 200 Ohm and up
Tubes: 6H9C (6SL7), 6H8C (6SN7)
Consumable electric power: 50W