One Pair 40W Class A Power Amplifier Board Base On Musical Fidelity MX50 circuit

Name: One Pair 40W Class A Power Amplifier Board Base On Musical Fidelity MX50 circuit
Brand: BRZ-hifi-audio
SKU: MX50
Price: 127.88 USD
Availability: InStock

MX50 40W Class A hifi Power Amplifier Board

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Description

One pair 40W Class A Power amplifier board base on Musical Fidelity MX50 amp

The price is for one pair. include 2 channel assembled and tested amplifier board

Works voltage: +/-DC30V to +/-DC55V

(Power transformer Dual AC26-36V. Recommend Dual AC32V about 500W or more.)

Output power: 40W +40W Class A Undistorted power

Output impedance: 4-8 ohms

Each amp Board size: 235mm*65mm*39mm

Each board recommend heatsink size: 350 X 150 X 50mm. about 2kg/each channel

MX50 is a single differential circuit with the advantages of no crossover distortion, high detail reproduction, and delicate sound, especially in the high frequency range. It has great penetration power and vividly portrays the fidelity of music. For those who like delicate high frequencies, this board is the best choice. The single differential low frequency is even more crisp and powerful, and it will not appear loose in low frequencies like the double differential circuit. Under a static current of 1.5A, Obtain a power output of 40W+40W (4-8 Ohms), which is sufficient to drive a 6-10 inch unit power speaker within 150W. This board adopts the original MX50 music fax circuit, with no modifications made to the amplification part. The midpoint voltage comparison electrical circuit is added to the original circuit, which can automatically track the midpoint deviation without the need to debug the midpoint, greatly facilitating the frequent debugging of beginners. The circuit printed board is personally arranged and drawn by the shop owner. With more than ten years of drawing experience, this circuit has a very high signal-to-noise ratio, and it is difficult to hear the noise when pasted on the speaker.

Material and component matching:

The power TRANSISTORS adopts the brand new original MJL4281/4302 Mexico, which is also the most expensive audio power tube at present. The consistency of this TRANSISTOR is excellent, and the driving TRANSISTORS adopts ON MJ15032/15033 . The driving current can reach up to 9A, and it can easily drive two pairs of MJL4281 . The resistance is 1% high-precision resistance with coarse copper pins from Taiwan Kunmao. In order to fully express the voice of the UK, all capacitors are made of ELNA natural silk film capacitors, Softer sound.

Package include:

Assembled amp board with Thermal aluminum plate X 2 boards

Note: this board is no schematic available. if you mind this. Please not bid. thanks.