Borbely architecture tube input MOSFET SE output 20W class A PCB 1 piece

Borbely architecture tube input MOSFET SE output 20W class A PCB 1 piece

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Type:
Power Amplifier
Brand:
Unbranded/Generic
£11.97
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  • Electronics

    20W Class A tube input MOSFET SE output Borbely architecture PCB 1 piece!

    This is the bare PCB of a pure class A MOSFET amplifier, output power 20Wrms at 8 ohms loading. The circuit use a tube ( E88CC or 6922 ) as the input stage. The tube worked as a long-tail pair loaded by a current mirror. The output is a MOSFET in SE class A mode which is loaded by a current source composed of another power MOSFET.

    This architecture was based on a hybrid headphone amplifier designed by Borbely. It was eventually adapted as a power amplifier.

    Working at +/-36V, the amplifier can give 20Wrms non-clipping output power in class A.


    This is a single channel amplifier PCB. Two PCBs are needed to form a stereo amplifier.

    PCB dimension : 210mm x 65mm.

    PCB thickness : 1.6mm, 2 oz ( 75um thickness copper) deposition which is FOUR times normal process of copper thickness.

    Gold plated surface.

    We provide adjustment guide/schematic and part list to customers by EMAIL.

    We do air shipping worldwide at US$5.00.


    Item Specifics
    Type :Power Amplifier
    Brand :Unbranded/Generic
    MPN :Does not apply
    UPC :Does not apply

    Payment

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    20W Class A tube input MOSFET SE output Borbely architecture PCB 1 piece!

    This is the bare PCB of a pure class A MOSFET amplifier, output power 20Wrms at 8 ohms loading. The circuit use a tube ( E88CC or 6922 ) as the input stage. The tube worked as a long-tail pair loaded by a current mirror. The output is a MOSFET in SE class A mode which is loaded by a current source composed of another power MOSFET.

    This architecture was based on a hybrid headphone amplifier designed by Borbely. It was eventually adapted as a power amplifier.

    Working at +/-36V, the amplifier can give 20Wrms non-clipping output power in class A.


    This is a single channel amplifier PCB. Two PCBs are needed to form a stereo amplifier.

    PCB dimension : 210mm x 65mm.

    PCB thickness : 1.6mm, 2 oz ( 75um thickness copper) deposition which is FOUR times normal process of copper thickness.

    Gold plated surface.

    We provide adjustment guide/schematic and part list to customers by EMAIL.

    We do air shipping worldwide at US$5.00.


    Item Specifics
    Type :Power Amplifier
    Brand :Unbranded/Generic
    MPN :Does not apply
    UPC :Does not apply

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