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J00298 Field-effect transistor （2SK2955，2SJ554) 150W*2 amplifier board refer to Denon PMA-S1 circuit

Name: J00298 Field-effect transistor （2SK2955，2SJ554) 150W*2 amplifier board refer to Denon PMA-S1 circuit
Brand: BRZ-hifi-audio
SKU: J00298
Price: 72.68 USD
Availability: InStock

PMA-S1 circuit Field-effect transistor 150W*2 hifi amplifier board

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Description

Product details:

Using original MJ15024, MJ15025, 2SK2955, 2SJ554 (second-hand) transistors.
Japan Chemical Audio Filter Capacitor.
Capacitor capacity 2 × 6800UF/63V.
Use of a five ring metal film resistor with an accuracy of ± 1% ensures a good signal-to-noise ratio for the entire machine.
Using 1.6mm thick double-sided board PCB, 2.0 Anshi copper thickness, spray tin full process.
Pairing transistors 2SK2955 and 2SJ554 using ultra-high current field effect.
UPC1237 speaker protection circuit effectively protects your speaker.

Parameters:

Power supply voltage: AC dual 28V-34V, it is recommended to use dual 34V/400W or above transformers
Output power: 150W * 2
Speaker impedance: 4-8 ohms
PCB size: 285 * 105MM

List:

PMA-S1 circuit amplifier board x 1