Полностью цифровой усилитель HiFimeDiy UD80

HiFimeDIY UD80 USB True Digital Power Amplifier полностью цифровой усилитель с usb интерфейсом. ШИМ PWM усилитель без преобразования аналог-цифра, без предварительного усилителя, без какой-либо аналоговой обработки сигнала. В комплекте максимальный для него блок питания 36V 6A. Specifications Fully digital amplification DDX® power output stage Up to 2 x 80W at 8 ohm, 2x50W at 4 ohm 100dB SNR and dynamic range Asynchronous USB mode Accept sample rates 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz and 16 and 24 bits USB input (no analog inputs!!) No drivers for Windows, Mac and Linux. Some iPad’s and Android devices also works. Low power consumption 23mA when standby and 150mA when active Accepts DC power from 10 to 36V Dimensions: 12.5cm x 9cm x 3.8cm including volume knob The HiFimeDIY UD80 is a true Digital PWM amplifier with no A/D conversion, no preamp or any analog signal path anywhere before the output stage. This makes a very direct link between the digital source and and the outputs going to the speakers, creating a very clear audiophile sound. UD80 is UD20’s bigger brother and is quite powerful with up to 2x80W @ 8 ohm. And while UD20’s bass is on the lighter side, the UD80 has a deep powerful bass. It still has that ultra clear audiophile sound quality made possible by this digital technology. Technology The UD80 amplifier uses the Savitech SA9023 USB receiver to connect to a USB host (computer, iPad etc). Datatransfer is asynchronous, and it accepts all samples rates from 32kHz to 96kHz and 16/24bits. The digital i2S signal is sent to the St Microelectronics’ STA328 chip where PCM is converted to Pulse width modulation (PWM) signal and then amplified using DDX® power output stage, enabling it to drive speakers directly. This high quality conversion from PCM audio to DDXs patented tri-state PWM switching waveform provides over 100 dB SNR and dynamic range. This is quite different from how a regular class D or T amplifier with digital inputs works – which include a DAC which first convert the digital signal to analog which is then passed on to the amplifier section where it is converted back to PWM. This true digital technology avoid these extra steps of D/A and A/D conversion. Functions The amp is very minimalistic in is functions. There is a volume knob which will also power down the amp to standby when the volume control is set to minimum. Banana types speaker plugs is used to reduce risk of shorts between positive and negative outputs. The negative outputs are not common and can not be connected together. The UD80 uses USB Audio Class 1 native drivers for Windows, Mac and Linux, no extra drivers need to be installed. It will work with the same devices as our Sabre DAC support (SA9023 version) – which includes some iPads and some Android devices. More Android devices might work when using the USB Audio record pro software.