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HOME  >>  PRODUCTS  >>  Updated version clone Lehmann Linear headphone amplifier /preamp kit
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Updated version clone Lehmann Linear headphone amplifier /preamp kit
Item ID:16040222
List Price:US$46.00
Price:US$39.50
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Review

Upgraded Version  ZERO-ZONE 2015 Version Headphone amplifier Kit base on Lehmann Linear amp
 

 

 
Operating voltage: Recommended AC15V-0-AC15V

PCB Specifications: 105 * 150mm * 1.6mm

Frequency response: 10Hz (-0.3db) - 35KHz (-1db)
Distortion: <0.001% (6mW / 300R)
SNR:> 95db
Output power: 200mW / 300R; 400mW / 60R
Power consumption: <5W
Input impedance: 47kΩ
Adapter Impedance: 8 - 2K
Output Interface: 6.35mm X 2
LINE OUT: 60Ω
PHONE OUT: 5Ω

The  kit come with the ALPS blue Potentiometer.


Upgraded Version  Highlights:

Upgrade the main electrolysis with nichicon KG type II 3300uf 25V.

Upgrade decoupling capacitance with nichicon MUSE 100UF 25V and WIMA.

Upgrade the high-quality gold-plated headphone jack.

Upgrading the op amp to BB OPA2134.

Upgrading the main resistance to the Philips brand.

Using Precision paired  genuine Toshiba A1358 C3421


 


Note: this is a DIY kit, all the component  need yourself to solder it.

we can provide the parts list and schematic via email. 







the following is the assembeld photo.







buit in box.  we have the box for sale.

 

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