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One Pair hifi Classic Symasym5-3 Discrete Power Amplifier board/Kit/Pcb ON NJW0302/0281

One Pair hifi Classic Symasym5-3 Discrete Power Amplifier board/Kit/Pcb ON NJW0302/0281
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Product Details
  • Brand NameSengterbelle
  • Maximum Power Per Channel101-130W
  • Channels2 (2.0)
Product Description
Details:Audio Amplifier Symasym5-3 on diyaudio forum is a very well-known line, so far the circuit post traffic is still very active, the sound quality very good, monaural 200W power is very suitable for home use, the circuit work in the Class AB , Performance is very stable. Status: Class AB Output power: 200W +200W (8Ω) < V = ± 45v> Work voltage: DC+ - 20V --- + - 45V Distortion: THD is 0.002% into 1 kilohertz and full power THD is 0.005% into 10 kilohertz and full power PCB Size: FR4 138X50X1.6MM Power transistor: Using ON NJW0302 / 0281, each channel 2 pair in parallel output. Drive tube: Toshiba 2SC4793 / 2SA1837, thermally coupled to the ST BD139 Small signal transistor is ON MPSA18 2N5551,2N5401 Philips BC556 / BC546 Debugging instructions: test any one of the White cement resistance voltage as V1. ( usually the V1 adjust at about 15-22mv will be good) Note:Bare pcb:just one pair pcb ,have no any parts Diy kit:all the parts need yourself to solder. Assembled board:have tested well

One Pair hifi Classic Symasym5-3 Discrete Power Amplifier board/Kit/Pcb ON NJW0302/0281

One Pair hifi Classic Symasym5-3 Discrete Power Amplifier board/Kit/Pcb ON NJW0302/0281

One Pair hifi Classic Symasym5-3 Discrete Power Amplifier board/Kit/Pcb ON NJW0302/0281

One Pair hifi Classic Symasym5-3 Discrete Power Amplifier board/Kit/Pcb ON NJW0302/0281

One Pair hifi Classic Symasym5-3 Discrete Power Amplifier board/Kit/Pcb ON NJW0302/0281

One Pair hifi Classic Symasym5-3 Discrete Power Amplifier board/Kit/Pcb ON NJW0302/0281

One Pair hifi Classic Symasym5-3 Discrete Power Amplifier board/Kit/Pcb ON NJW0302/0281

One Pair hifi Classic Symasym5-3 Discrete Power Amplifier board/Kit/Pcb ON NJW0302/0281

One Pair hifi Classic Symasym5-3 Discrete Power Amplifier board/Kit/Pcb ON NJW0302/0281

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