Product Details:
3A5 is a direct heating twin tube originating from the United States, with clear and transparent sound, and a round and smooth appearance Desirable.
Adopting the original ALPS16 100K potentiometer
3A5 filament voltage 1.4V low current Almost no bright light can be seen during work Due to its direct heating filament, microphones with high sensitivity are prone to sensing noise, and mechanical vibrations can also introduce noise. When the hand approaches 3A5, there will also be electromagnetic induction sound.
Parameters::
Electronic tube model: RCA3A5 6Z5P 6P1
Frequency response: 20Hz-30KHz
Input sensitivity: 650mv
Signal to noise ratio: 90db
Size:32*17*15cm
Weight:4.5kg
Package list:
1 × Finished 3A5 Tube preamplifier
Type A
now output capacitors use the 2 red WIMA style now，There is an inductance in the power supply，
buyer photos shown ，just for reference，thanks！
