Nobsound® Audio HIFI 6J1 Tube Preamplifier DIY KIT

Parameters: Filament voltage (Uf) = 6.3V; Filament current (If) = 0.17A; Anode voltage (Ua) = 120V; Anode current (Ia) 4.5 ~ 12mA; The second gate voltage (Ug2) = 120V; The second gate current (Ig2) ≤3.2mA; Transconductance (S) = 5.2 ± 1.4mA / V. (Electrode capacitance) input ...

Little Bear B4 Portable Vacuum & Valve Tube Headphone Amplifier HiFi for Phone

Performance parameters: Frequency response range: 0-100K-0.1dB Gold-plated input / output socket NE5532 OP chip (you can upgrade it to a other better brand OP chip. Like BB or Muse) Original nichicon electrolytic capacitor TOP HiFi Original DALE resistors. Precision rings resistance. Battery: Lithium batteries, voltage: 12V, 1000mA Charging time: 2-2.5 hours to charging full the ...

Dared I30 HIFI Audiophiles Professional Class A Vacuum Tube Integrated Amplifier USB-DAC/LINE input and Headphone Output,30W*2,with 6L6G(5881),12AX7(ECC83),12AU7(ECC82) Tube

Dared I-30 also called I-30HD,it is well-known world-amp, all tube integrated amp output 2x30watts,We are DARED brand authorized seller! World first and only valve (tube) amp with DAC and headphone output. Speaking for class-AB tube amplifiers, there are only three kings of power tubes: EL34, 6L6G and KT88. Of course, if you are audiophile or ...