20W Class A tube input MOSFET SE output and 50 similar items
20W Class A tube input MOSFET SE output Borbely architecture PCB 1 piece!
$13.99
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Shipping options
$6.00 to United States
Ships from
Hong Kong
Offer policy
OBO - Seller accepts offers on this item.
Details
Return policy
Full refund available for DOAs
Purchase protection
Payment options
PayPal accepted
PayPal Credit accepted
Venmo accepted
PayPal, MasterCard, Visa, Discover, and American Express accepted
Maestro accepted
Amazon Pay accepted
Nuvei accepted
View full item details »
Shipping options
$6.00 to United States
Ships from
Hong Kong
Offer policy
OBO - Seller accepts offers on this item.
Details
Return policy
Full refund available for DOAs
Purchase protection
Payment options
PayPal accepted
PayPal Credit accepted
Venmo accepted
PayPal, MasterCard, Visa, Discover, and American Express accepted
Maestro accepted
Amazon Pay accepted
Nuvei accepted
Item traits
| Category: | |
|---|---|
| Quantity Available: |
Only one in stock, order soon |
| Condition: |
New |
| UPC: |
Does not apply |
| Brand: |
Unbranded/Generic |
| MPN: |
Does Not Apply |
| Type: |
Power Amplifier |
Listing details
| Shipping discount: |
No combined shipping offered |
|---|---|
| Posted for sale: |
More than a week ago |
| Item number: |
1614110429 |
Item description
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$6.00. We welcome combine shipping.
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