C19 A-Type Built-in MV85 Digital Turntable for Raspberry Pi High Precision OCXO ROON AirPlay UPNP NAA
Description:
- The 4th generation computing core module CM4 for Raspberry Pi is the same as the 4B for Raspberry Pi, the CPU adopts BCM2711, quad-core CortexA72 64-bit high-performance high-speed processor; Compared with the previous generation Raspberry Pi 3B, it is faster, runs smoother and has better sound; C19 digital turntable according to actual needs from many models of CM4 to choose a cost-effective version, no WIFI and no Bluetooth version with fast operation and small interference, conducive to improve data output quality.
- The C19 digital turntable is a dedicated backplane tailored for Raspberry Pi CM4 module, which is composed of multiple UV-level low-noise linear regulated power supplies, OCXO and high-quality peripheral circuits.
- The C19 digital turntable also has a route to the CM4 core CPU to elicit high quality native USB, which is different from our common 4B USB interface for Raspberry Pi. It is converted from the PCIe interface; The native USB is led directly from the core CPU, without conversion processing, less signal loss, smaller interference, the native USB output is connected to the decoder USB input, to achieve high-quality bridge function, the sound is crisp and delicate, the sound field is open and accurate positioning, and the effect is obviously better than the USB output of the Raspberry Pi 4B.
- C19 has a built-in audiophile-grade thermostatic crystal oscillator (OCXO), providing accurate clock signal for the whole machine. Through the intervention of 10M clock signal, the clarity and transparency of the sound are greatly improved, and the sound field is open and accurately positioned.
- The CM4 core module for Raspberry Pi uses a low-precision passive crystal oscillator. As a clock signal source, the clock signal quality is low; when the CM4 core module is applied to C19, the passive crystal oscillator on the original board is removed, and the high-quality accurate clock signal output by the constant temperature crystal oscillator is used to generate 54MHz and 25MHz input to the CM4 core module through the clock system, and the clock system also synchronously generates two frequencies of 22.5792MHz and 24.576MHz for IIS signal processing and SPDIF output; The OCXO has high precision and high stability, and the CM4 core module for Raspberry Pi upgrade clock effectively improves the bus clock quality, and the sound is extended and strengthened at both ends after the upgrade, which is transparent and clean, and the details are clear.
- The C19 V1.00 231 power supply is the basis of good sound, and the C19 adopted two TPS7A4701s to supply power to the core module for Raspberry Pi CM4 and the constant temperature crystal oscillator, and up to 12 sets of UV-level ultra-low noise and voltage stabilization lines are used for the whole machine; The use of low-noise multi-group separate power supply is the best choice to improve the quality of digital audio. Sound performance: fast speed, high resolution, strong driving force, crisp and delicate.
- The C19 digital turntable adopts for Raspberry Pi 4th generation computing core module CM4, which has the same core for Raspberry Pi 4B, theoretically any Raspberry Pi 4B system can run on C19, for Moode, for Volumio, for PiCorePlayer, for Ropieee and other commonly used software can be measured; we will install the official version for Ropieee system before shipment, the system has good sound, many functions, simple to use, and basically does not need to operate after installation and setting, connect to the network to get following functions:
- HQPlayer NAA -
- Roon Bridge -
- UPNP -
- Airplay -
- Squeezelite - Daphile
- If you need to install other systems, such as PiCorePlayer, Volumio, Moode and other commonly used systems, please contact us before payment.
- Special reminder: Although C19 has perfect design, superior performance and complete functions, it is only suitable for users with experience and ability to use for Raspberry Pi, and the after-sales of goods is limited to the hardware part, and inexperienced users please choose carefully.
Specification:
Input:
- Ethernet/LAN (RJ45 network cable interface)
Note: The machine does not support WIFI and does not support Bluetooth
- External 10MHz reference clock signal input
Note:
Only the C19_B version has a reference clock input interface, other versions do not have this interface.
Input impedance 50R, most 5Vpp level below sine wave, it also support square wave.
Output:
- Coaxial coaxial:
PCM 44.1KHz ~ 384KHz/24Bit
DSD DSD64/DSD128(DOP)
- Optical fiber:
PCM 44.1KHz ~ 192KHz/24Bit
DSD DSD64(DOP)
- AES/EBU:
PCM 44.1KHz ~ 384KHz/24Bit
DSD DSD64/DSD128(DOP)
- IIS:
PCM 44.1KHz ~ 384KHz/32Bit
DSD DSD64/128(Native DSD)
- Native USB:
PCM 44.1KHz ~ 768KHz/32Bit
DSD DSD64/128/256/512(Native DSD)
- Special Reminder:
1. The output of the above specifications needs to be supported by a decoder.
2. When the USB output is connected to the decoder for Native DSD decoding, the USB input of the decoder needs to support for Linux DSD Native.
3. The USB output interface cannot be connected to USB devices with a current greater than 500MA; only suitable for connecting decoder USB input or other small stream USB devices.
Power Supply Specifications:
- Power adapter parameters: input: AC110-240V 50/60Hz; output: 6V/3A
- The power plug of the power adapter is AU three-plug, other standard plugs are not available, if necessary, please replace the suitable power cord.
- Power supply voltage: DC regulated +6V, voltage range: ±5%
- power interface specifications: 5.5/2.1, internal positive and negative outside
- Shutdown current: less than 10mA
- Standby current: about 200mA / OCXO is powered on in standby status
- Working current:
Normal working: >700mA
Start: >1000mA
Chassis Specification:
- Size: W x H x D = 160mm x 45mm x 140mm
- Weight: 1kg
- Packaging size: W x H x D = 250mm x 125mm x 250mm
- Packaging weight: 1.5kg
Package Included:
- 1 x Host
- 1 x Power Adapter
- 1 x USB Programming Cable
Note:
- Due to the need for product performance design and the limitations of material purchase conditions, this product has been produced using non brand new components.
- The warranty service is limited to the product host and does not include accessories or software we installed.
- We are not responsible for faults caused by incorrect use, accidental damage caused by negligence, or modification or replacement of circuits or components.
- Machines with damaged warranty labels are not covered by the warranty.
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Payment Terms
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Shipping Terms
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2. For remote regions of DHL/FedEx..., extra shipping costs might be charged. Usually it costs about 30USD-50USD. We will contact you if shipping company informed us your address belongs to remote area. Thanks for your understanding.
Return Terms
If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days. We will guide you the returning process for replacement or refund.
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