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| Месяц | Минимальная цена | Макс. стоимость | Цена |
|---|---|---|---|
| Mar-18-2026 | 1649.38 руб. | 1731.33 руб. | 1690 руб. |
| Feb-18-2026 | 1635.96 руб. | 1717.21 руб. | 1676 руб. |
| Jan-18-2026 | 1372.68 руб. | 1441.55 руб. | 1406.5 руб. |
| Dec-18-2025 | 1608.84 руб. | 1688.37 руб. | 1648 руб. |
| Nov-18-2025 | 1400.59 руб. | 1470.47 руб. | 1435 руб. |
| Oct-18-2025 | 1580.55 руб. | 1659.73 руб. | 1619.5 руб. |
| Sep-18-2025 | 1566.19 руб. | 1644.52 руб. | 1605 руб. |
| Aug-18-2025 | 1552.42 руб. | 1630.10 руб. | 1591 руб. |
| Jul-18-2025 | 1538.33 руб. | 1615.58 руб. | 1576.5 руб. |
Описание товара












Brand NameQXMYModel NumberY104Channels1PackageYesMaximum Power Per Channel75WMeasurement unitpairEach pack1channelmono amplifier boardAmplifier typeNo pre-amp( rear amp )Circuit BoardDifferential circuitPower supplyDc 30-50V Use Power Filter BoardWatt70W 4-8 OhmTube seriesDiscrete tube amplifierHeatsinknot include heatsinkWhether assemblingPCB board only(no components)Express deliveryFree ShippingTypeHome Amplifier1 386,00 ₽1 386,00 ₽loader
Technical parameters:
PCB size: 100MM X 49MM Power supply: DC 18-40V Dual Output power: According to the supply voltage, and power tube choices will be different, such as power tube 5200 +1943 at + /-40V Under the power supply up to 60 watts (8 ohm load); adjusted to work on the CPI state, suggest appropriate low voltage, Choose 30V more appropriate CPI heat when larger choose a large enough heatsink, 1A quiescent current can be achieved when Maximum power about 20 watts or so, more suitable for home use. (See working at A B settings described later)Product :
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PCB board silkscreen with component values are very convenient DIY 
http:/store/product/diy-kit-hifi-mono-amplifier-adjustable-class-a-tda7294-push-the-discrete-tube-2sc5200-2sa1943-70w/1123215_32382871604.html
The Installation image for reference
Circuit design for reference