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Leman Circuit Headphones power amplifier board Tube amplifier assembly 6N3 Tube

Leman Circuit Headphones power amplifier board Tube amplifier assembly 6N3 Tube

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HTB1417aXzgy_uJjSZK9q6xvlFXaQ

Product Description

Tube amplifier assembly 6N3 Tube + Leman Circuit Headphones power amplifier board​

product details:
 
   Germany's Lehmann amp, there are amps in the "Rolls Royce" is called. Music performance is no doubt, our latest amp is a reference Lehmann line design, 6N3 electron tube + cross coupling jet follower, power tube The current exceeds 40MA and the whole board is in class-A working state. The whole music performance is very good.
 
1 This board is preamplified with 6Z4 rectified 6N3 electronic tube and the rear stage uses Lehman amp drive circuit!
 (Using an electronic tube for rectification, sweeter and smoother than ordinary rectified sound)
 
2 using the original Toshiba BD139 BD140 Beijing 6N3 tubes and 6Z4
 
3 Coupling Capacitor adopts the top German import Weimar capacitor, the main circuit of electrolytic capacitor signal adopts erkon nichicon brand, the main filter capacitor uses capacity gold word NOVER10000UF/35v*2 and imported chemical 450V290UF, with LM317 LM337 voltage regulator circuit to ensure the steady stream of power Power support.
 
4 resistors use five ring 1% metal resistors to ensure a good signal to noise ratio.
 
5 PCB adopts 1.6mm thick double-sided plate, 2.0oz copper thickness, spray tin process, to ensure good current performance of the size. First-class PCB quality.
 
6 The power amplifier board wiring is reasonable, beautiful, and the current is small
 
 
Basic parameters:
 
   Operating voltage: 1.AC 15V-0-15V (10W) 2. High voltage AC150V-0-150V (10MA or more)
 
   Filament AC6V(4A)
 
   Applicable headphone impedance: 32 Euro - 600 Euro
 
   Frequency response: 20HZ-20KHZ
 
   Board size: 140MM*140MM

Model Number: 6N3
Channels: 1
Package: Yes
Maximum Power Per Channel: 10W


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