LEHMANN Upgraded TT650 Headphone Amplifier Audio Board Headset Amp with Case Original Transformerfor DIY

LEHMANN Upgraded TT650 Headphone Amplifier Audio Board Headset Amp with Case Original Transformerfor for DIY

Features:      
- Change 3.3Ohm resistor into two big ones
- Change resistors around 317 337 into two small ones
- Change blue capacitors into WIMA ones beside the LED
- Mounting direction changes, BC 4700
- Add isolation line in the part of power supply, less inference
- Input coupling capacitance, turn 1.5U into 2.2U
- Adopt top quality original transformer
- Keep ther configurations same with the original ones
- With black case

Advantages:
- BC capacitor,4700muon FM
- Switch filter capacitor,WIMA 0.1U/250V
- BD139 BD140
- LM317 337
- ECE Code switch
- Schurter Power plug
- PHILPS VISHAY BC resistor
- Radiator: thickness 1.2mm,Heat Sink FHS302-A
- LXZ high frequency and low resistance capacitor

Parameters:
- Frequency range: 10Hz-35kHz.
- Adaptive impedance: 8-2k
- Distortion: < 0.001% (6mW/300 Europe)
- Output power: 200mW/300 Ohm; 400mW/60
- Input interface: RCA interface * 1, USB interface *1
- Output interface: 6.3mm interface * 2, RCA interface
- Input impedance 47K ohm;
- Frequency response 10Hz (-0.3dB) -35KHz (-1dB);
- Output power 300 ohm /200mW, 60 ohm /400mW;
- Size: 280x110x44mm;
- Weight 1.5Kg

More  information: Click here

Package included:  
- 1 x Amplifier Board