Questyle Audio CMA800i User Manual Download | Manualshive

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CMA800i

解码耳放一体机

用户手册

www.questyleaudio.cn

CMA800i

DAC with Headphone Amplifier

www.questyleaudio.com

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Summary of Contents for CMA800i

Page 1: ...CMA800i 解码耳放一体机用户手册 www questyleaudio cn CMA800i DAC with Headphone Amplifier www questyleaudio com ...

Page 2: ...Technology True DSD Technology Standard USB Asynchronous transmission PCM Version Digital Filters PC System Requirement Install Driver Program under Windows OS Core Audio Stream Technology Setup Core Audio Stream on JRiver Media Center Setup DSD on JRiver Media Center Installation in MAC OS Specification Cautions ...

Page 3: ... power regulation In PCM version it s designed with IIR MP digital filters to eliminates pre ring while in True DSD version all digital filters are invalid Pre Amplifier output is one more specific feature for CMA800i Many brands when they design a all in one model they use the headphone amplifier circuit loop to support pre amplifier function in the meanwhile on the sake of cost But CMA800i only ...

Page 4: ...indicator USB input indicator SPDIF input indicator USB SPDIF input switch 6 35mm Jack plug A 6 35mm Jack plug B Remote Control Sensor Digital filters In PCM mode digital filters are switchable by remote control In DSD mode digital filter says NO Internal External switch When the switch bar is moved to External CMA800i is used a pure headphone amplifier when it s moved to Internal CMA800i internal...

Page 5: ...rent Mode amplification When the components is working in Current mode amplifier Slew Rate SR achieves a linear increase as input signal amplitude increases it is in proportion to input signal amplitude When it s input with large amplitude signal Current Mode amplifier SR is much larger than traditional Voltage mode devices it can totally eliminate TIMD and ensures large amplitude signal and low d...

Page 6: ...s for user to choose Among the five digital filters the pulse responses of IIR and FIR are totally different Different FIR or IIR digital filters have different frequency responses The digital filters are switchable based on user s favorite Vibrating objects in nature produce a sound wave which has similar features to the IIR digital filter There is no pre ring before the vibration and the vibrati...

Page 7: ... DSD FLAC WAV and MP3 files 4 The dedicated driver of CMA800i The Questyle Audio CMA800i can support Microsoft operating systems Win XP Vista Win7 32bit 64bit Win8 32bit 64bit USB3 0 required for support the output of 24bit 192K USB Audio data 5 PC Configuration Requirements Win XP SP2 or SP3 Vista Win7 32bit 64bit or Mac OS 10 5 7 or later operating system At least one USB port A quality USB2 0 h...

Page 8: ...ng system to demonstrate the installation process 1 Power on the Questyle Audio CMA800i 2 Plug the USB cable into the Questyle Audio CMA800i and into an available USB port on the PC connecting PC and the Questyle Audio CMA800i 3 Open the DSD 1 05 CR folder on the included CD and click to access to installation interface 4 Here are tips on the installation Click Install Click Next ...

Page 9: ...oftware like Foobar2000 you can t control the volume through system controller the sound from the system and other applications such as Email Alerts will not be heard through the Questyle Audio CMA800i because the system has opened the core audio stream channel for the Questyle Audio CMA800i and the audio data is sent directly get to the DAC of the Questyle Audio CMA800i with high speed If you don...

Page 10: ...16 17 2 Click Add then next screen click Browse find the file where the music stays then click OK to complete it ...

Page 11: ...the music files from PC exclude DSD files 1 Open JRiver Media Center click Tool Option entry the sub menu 2 In Audio Audio Device choose ASIO for C Media USB Device ASIO 3 Click Device settings menu to find ASIO setting sub menu click Open Driver Control Panel bit depth choose 24 24 bits Latency 10ms click OK Setup DSD on JRiver Media Center ...

Page 12: ...20 21 4 In setting menu click DSP Output format 5 Remove all the selected options then close it 6 In Bitstreaming None recommended menu choose Custom ...

Page 13: ...Operation System developed later than OS 10 5 7 they are compatible with USB 2 0 High Speed firmware so it doesn t need to install the Questyle Audio CMA800i driver program The Questyle Audio CMA800i works with standard USB Asynchronous transmission When PC is USB linked to the Questyle Audio CMA800i user needs to set sound output as Questyle Hi end USB Audio ...

Page 14: ...nal stream WASAPI ASIO KS Analog Output Balanced XLR and unbalanced RCA Nax output amplitude XLR 8 6Vrms RCA 4 3Vrms THD N 0 005 for both XLR and RCA SNR 107dB for both XLR and RCA Whole device Voltage 100 120V or 220 230V switchable Power Consuming 13W Dimension 330 200 55 mm Note Data listed above are collected from Audio Precision AP2722 testing The information in this manual is subject to chan...

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