HA-5000 ClassA headphone amplifie bare PCB  clone Technica HA5000  



HA-5000 is a high-end Class A Headphone amp board, it is base on the famous Technica HA5000. FET + BJT + BJT + MOS structure, with high input impedance and low output impedance.


Note:  this is just for bare PCB!!!


PCB size: 
235*143mm (AMP PCB ) 
115*65mm   (Power supply PCB)
43*22mm     (Headphone jack PCB)


Woks voltage  AC15V-0-AC15V   AC15V-0-AC15V   ( two groups Dual AC15V voltage. transformer power recommned 50VA)


     Category: Class A headphone amplifier
     Load impedance 16-600 Ohm
     Sensitivity of 1.1 V / 50,000 ohms
     Maximum output power
     2,400 mW + 2,400 mW (16 ohm load)
     1,200 mW + 1,200 mW (32 ohm load)
     600 mW + 600 mW (64 ohm load)
     65 mW + 65 mW (600 ohm load)
     Frequency Response 5 ~ 200,000 Hz
     (+0, -0.5 DB, at 100 mW output, 32 ohm load)
     Total Harmonic Distortion 0.006% (20 Hz-20 kHz,
     At 100 mW output, 32 ohm load)
     Channel separation 62 dB (20 Hz -20 kHz,
     32 ohm load)
     Gain 15 dB
     SNR 117 dB
     0.1 ohm output impedance
   


Package include:    
HA-5000 headphone amplifier amp PCB   X 1
Power supply PCB   X 1
Headphone jack PCB   X 2
    

We can provide the schematic via email. if you need. Please contact us.