Finished HI-END Class A hifi preamp headphone amplifier board Refer to ELECTROCOMPANIET circuit
Product details:
This preamp has a thick, powerful, round, smooth, and sweet sound, with beautiful high-frequency and non malfunctioning features,
Using Field-effect transistor as Differential Input Buffer Circuit.
It can be used as a headphone amplifier board or as a preamp board.
Extensive use of audio capacitors from well-known brands such as SPRAGUE and WIMA.
KOA, VISHAY, Panasonic and other brands of resistors.
The power supply of the voltage stabilizing circuit is the key to good sound.
Parameters:
Frequency:20-25KHZ
Signal-to-noise ratio:106dB
Magnification:8times
Static power consumption:18+18W
Zoom in:Single-ended RCA
Total harmonic distortion:≤0.01%
Size:240mm (length) * 220mm (width) * 42mm (height includes 10mm column)
Two sets can be used for balance amplification
Power supply range:AC dual 32-42V recommended dual AC 38V
Power supply mode:It is recommended to use a 50W transformer for each channel to supply power separately
Horn protection:
There is no protective circuit, so it is necessary to add a protective circuit board when making ear amplifiers
List：
Finished ELECTROCOMPANIET circuit preamp board X 1
