Ordering guide:
The price is two boards, dual-channel.
Finished boards: only two finished boards that have been tested, without angle aluminum and without radiator;
Angled aluminum: finished plate with angled aluminum;
With radiator: finished plate with angled aluminum + radiator.
Support 200W 8 ohm output power.
Ultra-low distortion power amplifier.
Test data: Test equipment: Audio Precision 2
THD +N< 0.0015% 50W 8R
THD+N <0.003% 50W 8R 20HZ-20 KHZ
THD+N <0.002% A weighted
The signal-to-noise ratio is greater than 99DB.
Voltage gain: 34 times
Input sensitivity: 1.9V (output power 200W 8 R)
Supply voltage: DC + -12V to +-65V.
Output Power:
200W8R ±65V
300W4R ±55V
350W4R ±60V
Output DC voltage <15MV.
Maximum output current>15A.
The finished board has been rigorously tested, and there are detailed test materials below.
The area of the PCB is 100*61MM, and the finished product has angle aluminum, which is 30 mm wide.
The size of L20 after installation is about 100*96MM
PCB thickness FR4 2.0MM
Damping coefficient> 2000
SR =18V/US
Quiescent current: Approximate value of 10MA for single channel
Frequency response:
20HZ-20K HZ +-0.05 DB
10HZ-25K HZ -0.15 DB
THD+N test data:
THD +N< 0.004% 50W 8R
THD+N <0.005% 50W 8R 20HZ-20 KHZ
THD+N <0.004% A weighted