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Item specifics
  • Package: Yes
  • Model Number: L1511-18
Product Description

 

 

 

 

Finished LM Class A Headphone amplifier clone Lehmann amp

 

Basic parameters

Frequency range 10Hz-35kHz
Adaptation impedance 8-2kΩ
Distortion <0.001% (6mW / 300ohm)
Output power 200mW / 300ohm;
400mW / 60 ohms.
Features power consumption <5W;
Input impedance 47kΩ;
SNR> 95dB;
LINE OUT-60ohm;
PHONE OUT-5ohm;
Channel separation> 70dB / 10kHz.
Input Interface RCA connector × 1 group

Output Interface: 6.3mm interfaces × 2, RCA Interface × 1 (can be used as preamp)



Dimensions 115 * 320 * 58MM (W*D*H)


works votlage: AC115V or AC230V for choose.

 

main materials

Opamp is PHI NE5532.
Power transistor is ST BD139 140.
30W R-core Transformer.
Original ALPS 27 type Potentiometer
US CMC Copper RCA
Ruby main electrolysis,  MKP coupling capacitors,  decoupling capacitors, resistors made in TaiWan.

 







Packaging Details
  • Unit Type: piece
  • Package Weight: 1.6kg (3.53lb.)
  • Package Size: 12cm x 12cm x 12cm (4.72in x 4.72in x 4.72in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 1.6kg (3.53lb.)
  • Package Size: 12cm x 12cm x 12cm (4.72in x 4.72in x 4.72in)
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