L20SE Toshiba Assembled AMP 350W+350W 2SA1943 2SC5200 Dual Amplifier Board 4ohm

Square-wave test：
Sine wave output +-60V, load 6.6 Europe, the output power of 270WThe selection of authentic licensed original transistor with TOSHIBA ONSEMI, quality assurance.

Parameters：
THD = 0.009% 1K HZ 50W 8R
SR = 35V / US
Noise 92DBU
EIN = 114 DB
Frequency Response 20-20KHZ ±0.5 DB
34 times the voltage gain
The PCB area 113MM width and height 71 MM
All resistors are precision 1% precision resistors copper feet, including the output of high-power high-precision resistors are used.
Double-sided FR4 PCB 2MM thick plate, 75 UM thick copper wire.
All capacitors are imported original.
Four pairs per channel audio power tubes imported original ONSEMI.
High-quality NIPPON CHIEMI-CON series of high-grade LOW ESR decoupling capacitors.
And nichicon or RUBYCON series.
Romote the use of tubes and high-power tube ONSEMI NJW0302G NJW0281G
Toshiba A1930 C5171 and audio-specific import original transistor.
Suite two boards, one board a channel. L20 must use the original transistor, not free to replace other brands and models.

Features：
Designed the L20 post-amplifier.
Power :200W8R 350W4R DC ±65V
Dual AC power range of 12V to AC dual 45V.(Proposed dual-voltage AC 36V.)
Each channel 2 of ON Semiconductor original power tubes 2SA1943/2SC5200, the maximum load current of 20A.
Voltage support a wide range of installation of each channel can be any two pairs, four pairs of high-power tube.Standard suite of high-power tube per channel 2.
Very good with excellent control, low distortion, wide range of voltage support.High-power high-current output load.

Package:

One Pair L20SE Amplifier Board(2 Boards)

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