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Home/Head-Fi/USB DAC Amplifier/Cayin Audio RU7 1 Bit USB DAC Amplifier

Cayin Audio RU7 1 Bit USB DAC Amplifier

Cayin Audio

Cayin Audio RU7 1 Bit USB DAC Amplifier

Product code:
RU7
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1-year-warranty
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£239

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Cayin Audio RU7 1 Bit USB DAC Amplifier

Features

  • Weight:25g, small enough to slip into your smallest pocket
  • Dimension:66*24*12 mm
  • Package List:1 RU7 Dongle DAC ×1  || 2) Type-C cable ×1 || 8 USB A to C adapter x1   User Manual ×1 || 55 RU7 Protective Case x1
  • An All-Rounder
  • 128×64 pixel OLED screen displays playback information with good visuality.
  • Hardware volume button for convenient control doubled as menu selection when entering the Mode setting.
  • Smaller and lighter, chamfering for better handling
  • All surfaces are smoothly curved to enhance the look and feel

Specifications

Cavin RU7 Product Information
DAC:Fully Balanced Resistor Networks Phone Out Discrete 1-Bit DSD DAC
USB Type C|| USB Audio Input
Digital Decoding In|| PCM 44.1kHz ~ 384kHz, DSD64/128/256, Native
All to DSD DSD64/128/256 (user select)
Control Volume +/-, Mode
Chassis CNC Aluminum
hone Out Line Out:3.5 mm Single-ended (Shared) `.4 mm Balanced (Shared)
Display 0.96 inch 128×64 OLED
Accessories USB C to C cable (Shielded), USB A to C adapter
Case Leather Case (Bundled)
Dimension 66mm x 24mm x 12 mm
Net Weight ~25g
 Cain RU7 Headphone Output
3.5mm Single-Ended
Power rating 160mW @320
Freq. Response 20Hz-42kHz (‡0.5dB) (PCM to DSD256)
THD+N 0.006% (1kHz, Output|| 1.0V)
Dynamic Range 115dB (20Hz-20kHz, A-Weighted)
SNR 114dB (20Hz-20kHz, A-Weighted)
Channel Separation 76dB (1kHz, 20Hz~20kHz)
Output Impedance 0.50Ω
4.4mm Balanced
Power rating 400mW @320
Freq. Response 20Hz-42kHz (‡0.5dB) (PCM to DSD256)
THD+N 0.006% (1kHz, Output|| 1.4V)
Dynamic Range 115dB (20Hz-20kHz, A-Weighted)
SNR 112dB (20Hz-20kHz, A-Weighted)
Channel Separation 92dB (1kHz, 20Hz~20kHz)
Output Impedance 1.00Ω
3.5mm Single-Ended
Output Level 1.2Vrms (Fixed, 1kHz@@10k)
THD+N 0.02% (1kHz. 20Hz~20kHz)
Dynamic Range 114dB (20Hz-20kHz, A-Weighted)
SNR 113dB (20Hz-20kHz, A-Weighted)
Channel Separation 100dB (1kHz, 20Hz~20kHz)
Output Impedance 0.50Ω
 4.4mm Balanced
Output Level 2.4 Vrms (Fixed, 1kHz@10 k 2)
THD+N 0.02% (1kHz. 20Hz~20kHz)
Dynamic Range 114dB (20Hz-20kHz, A-Weighted)
SNR 112dB (20Hz-20kHz, A-Weighted)
Channel Separation 102dB (1kHz, 20Hz~20kHz)
Output Impedance 1.0Ω

Description

RU7 Dongle DAC

Fully Balanced Resistor Networks Discrete 1-Bit DAC for DSD Format.

A new benchmark for ultra-portable An Irresistible Upgrade Purposively designed micro-miniaturized 1-bit DAC circuit from discrete components Convert digital signal to analogue signal through a fully differentiated 4-ch DAC architecture.

The 1-bit DAC circuit is a resistor network composed of 128 pcs (4 x32) high high-precision Thin Film Resistors, this is closely resemble to the discrete DAC of our N7 DAP.

The output of the resistor network will go through a 3-level active LPF and then be converted to a single-ended signal for volume adjustment.

High Power Parallel Phone Amplifiers

Dual amplifiers in parallel, providing 4-CH high power Balanced Driven output The second phone amplifier is a parallel unity gain inverting phase amplifier An impressive upgrade in phone output power: 3.5mm SE, 160mW @3252 4.4mm BAL, 400mW @3252

Shared Line Out Conveniently Connected

The shared line out function will configure the 3.5mm or 4.4mm phone output into fixed voltage output (bypassing volume control): 3.5mm SE, 160mW @3282 4.4mm BAL, 400mW @322 The line out voltage are carefully selected to retain as much details and dynamic of the 1-Bit DAC with minimum noise and distortion. Enable you to connect the RU7 to the portable desktop amplifier or home audio system and use it as a miniature 1-bit DAC.



Discrete Volume Control

Discrete Resistor Network DAC circuit is very demanding on incoming data integrity, we recommend users keep the digital volume of mobile phones at full output to safeguard the quality of the audio digital signal. When off-the-shelf analogue volume options cannot meet the high precision, low noise, low power consumption requirement of RU7, we developed our discrete resistor network volume control 100 steps volume control through 3 segments of resistors and switching relays * offer precise control over a wide volume range, satisfy even the need of most sensitive.

IM users:

  • Segment 1: 1-49
  • Segment 2: 50-79
  • Segment 3: 80-100


Outstanding Digital Audio Capability with User Selectable All-to-DSD & Low Power Consumption

RU7 supports PCM up to 384kHz and native DSD from DSD64 to DSD256. Its Audio Bridge will receive different audio formats and go through high-precision signal enhancement. All digital audio signals will convert to the designated DSD format (DSD64/DSD128/DSD256) before feeding to the discrete 1-bit DAC circuit.

Discrete resistor network is a low-power DAC circuit when compared to other highly integrated DAC chipsets, minimises power drain from mobile sources. The redesigned amplification circuit increases output power dramatically while maintaining the overall power drain at 100-110mA Low power consumption allows RU7 compatibles with the following digital audio sources:

  • Android-based mobile devices
  • iOS and iPad OS mobile devices
  • macOS computers
  • Window 7/8/8.1/10 computers
  • Digital Audio Players with USB Audio output


Dual PCB to Minimise Interference To minimize interference, RU6 circuitry

RU7 is split into TWO 6-layer PCBs, with digital and analogue circuits installed in separate boards. Safeguard signal integrity and make sure the noise from the reference clock and DSP will not bleed into the amplification circuit.

Soft and tender handmade magnetic leather case Custom made for RU7, precise cutout offers tight-fit protection and elegant presentation Two circular metal plates with adhesive tape pad are included.

Additional information

Colour

2-Tone, African Rosewood, Aluminium, Anthracite, Anthracite Silver, Bathys Dune, Beech Dark Coffee, Beechwood, Blach Ash, Black, Black 1TB, Black 2TB, Black 4TB, Black 8TB, Black Acrylic, Black Aluminium, Black Ash, Black Ash (ATC), Black Piano, Black Satin, Black Vine, Blonde Wood, Blue, Blue AK, Bog Oak, Bronze, Brown, Bubinga, Caramel White, Carbon Black, Carbon Weave, Champagne, Charcoal, charcoal black, Cherry, Cherry, Cherry (ATC), Chic Blue, Clear, Cloud Gray, Coffee, Copper, crimson red, Curly Maple, Custom Colour, Damascus Forged, Damascus Forged – Vegan, Dark Ash, Dark Baltic Wood, Dark Chocolate, Dark Grey, Dark Shadow, Denim Blue, DG-1 Black, dummy color, dummy Image2, Dusk, Ebony Wave, Espresso, Eucalyptus, Forged Carbon, Gloss Black, Gloss White, Gold, Gold Forged, Grape Leaf, Graphite, Green, Grey, Grey Birch, Grey Oak, Gun Metal, Horizon Gold, Iridium, Iron Black, Italian Grey Piano, Italian Walnut, Italian Walnut Burl Piano, Ivory, Ivory Oak, Ivory White, Jet Black, Light Baltic, LIght Cream, Light grey, Light Oak, Light Walnut, Mahogany, Mahogany Gloss, Maple, Maple 1815M1, Maple 1815M2, Maple 2216M1, Maple 2216M2, Maroon, Midnight High Gloss, Mineral White, Moss Green, Mountain Grey, Mud, Navy, Neptune Blue, Oak, Oak (ATC), Olive, Olive Gloss, Opium Grey, Orange, Orange AK, Paduk, Pearlescent White, Pink, Pippy Oak, PippyOak (ATC), purple, Purple Heart, Raven Wood, Red, Red Birch, Rega High Gloss Red, Rich Walnut, Rose gold, Rosenut, Rosewood, Rosewood (ATC), Rosewood Dark Gloss, Rosso, Ruby Macassar, Ruby Wood, Sapele, Silky Walnut, Silver, Silver 1TB, Silver 2TB, Silver 4TB, Silver 8TB, Smoke High Gloss, Soft Gold, Soft Grey, Space Grey, Storm Grey, Sunset Orange, Tan, Teak, Titanium, Titanium Grey, Transparent, Universal Blue, Universal Emerald, Universal Red, Violet Abalone, Walnut, Walnut, Walnut (ATC), Walnut Gloss, Walnut Light Satin, Wenge, White, White Piano, White Satin, White Silk, Wood, yellow

Warranty

 

Backed with a 1-year Cayin warranty

 

 

 

Delivery Info

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Delivery Information

As a company our primary goal is to provide a seamless service that results in customer satisfaction. We aim to deliver within 3 working days. Unfortunately, there may be occasions where this time frame may not be met due to unforeseen circumstances; in this instance, we deliver product/s as soon as we can. All delivery charges are included within the prices quoted, unless otherwise specified.

All small items are usually delivered between 9am and 6pm, on a Monday to Friday, unless a Saturday delivery is requested. Follow My Parcel is an industry-changing innovation from DPD Local, which will give your customers unparalleled levels of information and peace of mind.Not only will your customers receive a one hour delivery timeslot, but they’ll now also be able to track the progress of their parcels on a map as our drivers make their way to the delivery addresses. Follow My Parcel will:

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