Brand Name:: NEW

Model Number:: new

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Lehmann BD139 BD140 Preamplifier headphone kit

it\'s diy kit .have not soldered .

Board size: 106MM * 148MM

Operating voltage: AC 15V-0-15V AC12V-0-AC12V input a set of spare DC15V-0-15V

Apply Impedance: 32 ohm -600 ohm

Frequency Response: 20HZ-20KHZ

Description:

Lehmann Lehmann original line， circuit-neutral all the reservations， and just like the original， with a two-recoverable insurance， with the gain selection， with alternate positive and negative power input， with two 6.35MM Block amp output， with audio output after ( When the current level used)， only improved its component mounting holes， let it install all kinds of DIY components more flexible， more convenient DIY production

Board materials: filtering with 1000UF， three small electrolytic profit for the board to provide enough clean power， audio output coupling capacitor coupling with Sie-mens blue shell fever， and the same as the original machine， CBB for the original non-Lipp， a large number of individual audio loops Promise to use the Swedish RIFA capacitors， tube output of the original BD139 BD140

Listen: The frequency play a good， transparent， powerful bass without chaos， Naiting， the capacitance may be due to 10000UF RIFA capacitors and Sweden join

Not too much to say， we own to feel

shipping include

Lehmann BD139 BD140 Preamplifier headphone DIY kit

Unit Type:: piece

Package Weight:: 0.300kg (0.66lb.)

Package Size:: 10cm x 10cm x 10cm (3.94in x 3.94in x 3.94in)