Cayin iDAC-8 DAC with Solid-state / Tube Timbre Output Modes
A hybrid DAC with selectable solid state / vacuum tube output modes
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Dual Vacuum Tube / Solid State Timbre Modes
The Cayin iDAC-8 is a premium, hybrid DAC with selectable solid state and vacuum tube output circuits.
- Vacuum tube timbre with 2 x 6H6b-B tubes
- Solid state timbre with op-amps
A DAC circuit consisting of AK4191 + Dual AK4499EX handles digital to analog conversion prior to the timbre circuit.
Pre-Amp / Line level output modes
At the push of a button, choose between varible pre output and fixed line output modes for easy integration with power amplifiers, active speakers and hifi / headphone amplifiers.
While in pre-amp mode, the NJW1195AV volume controller in iDAC-8 adjusts volume via a 4-channel low noise, low distortion resistance ladder circuit that offers good inter-channel consistency and a highly accurate audio experience. While controlled electronically, the volume is adjusted purely in the analog domain.
Volume control is bypassed in line output mode.
Comprehensive Digital Input Options
The iDAC-8 offers a wide set of digital inputs options: USB, SPDIF, AES/EBU, Optical, Coaxial (RCA/BNC), AES/EBU and I2S digital inputs.
Cayin i-Series is a suite of three products desktop products designed around optimal audio performance. Choose individual i-Series units for your needs, or combine all 3 for the ultimate high performance, all in-one headphone listening system.
- Selectable Tube / Solid-state timbre modes
- AK4191 + AK4499EX DAC
- Pre/Line output modes
- Ultra low noise power supply system
- USB, SPDIF, AES/EBU, Optical, Coaxial (RCA/BNC), AES/EBU and I2S digital inputs
- RCA and XLR analog outputs
- DSD512 / PCM 768kHz 32bit format support
General Specifications
| DAC | AK4191 Digital AE Modulator 2x AK4499EX (Mono Mode) |
| Vacuum Tubes | RCA: 6H6b-B x2 XLR: 6H6b-B x2 |
| Volume Control | NJW1195AV 4-channel electronic controlled analog volume |
| Output modes | Fixed level: Line Out Variable level: Pre Amp Out |
| Display | 3.12" 256 x 64 OLED Dot-matrix |
| Power Supply | 45W toroidal transformer |
| Digital Inputs | USB Audio, Coaxial (RCA), Coaxial (BNC), AES/EBU, Optical, 12S |
| Analog Outputs | Balanced: XLR x2 Single-ended: RCA x2 |
| Physical Control | Power On/Off, Source, Timbre, Line/Pre, Menu/Volume Knob |
| Weight | Approx 4.6kg |
| Dimensions | 270mm x 215mm x 70 mm (LxWxH) |
Analog Outputs (Line Out)
| Output | RCA Single-Ended | XLR Balanced | |||
| Timbre | Solid State | Vacuum Tube | Solid State | Vacuum Tube | |
| Output Level (47 kiloohm load) | 2.2V+2.2V | 4.2V+4.2V | 4.1V+4.1V | ||
| Frequency Response (Fs=192kHz) | 20-50kHz (±0.2dB) | ||||
| THD+N (@1kHz, Fs=192kHz, A-weighted) | ≤0.0007% | ≤0.05% | ≤0.0006% | ≤0.8% | |
| Dynamic range (@1kHz, A-weighted) | ≥120dB | ≥113dB | ≥126dB | ≥126dB | |
| SNR (@1kHz, A-weighted) | ≥117dB | ≥111dB | ≥126dB | ≥126dB | |
| Channel separation (@1kHz, 47 kiloohm load) | ≥116dB | ≥105dB | ≥121dB | ≥122dB | |
| Output impedance | ~12 Ohms | ~60 Ohms | ~24 Ohms | ~1 kiloohm | |
Analog Outputs (Pre Out)
| Output | RCA Single-Ended | XLR Balanced | |||
| Timbre | Solid State | Vacuum Tube | Solid State | Vacuum Tube | |
| Max. Output Level (47 kiloohm load) | 6V+6V | 12V+12V | 10V+10V | ||
| Frequency Response (Fs=192kHz) | 20-50kHz (±0.2dB) | ||||
| THD+N (@1kHz, Fs=192kHz, A-weighted, Vol=81) | ≤0.0003% | ≤0.2% | ≤0.005% | ≤0.8% | |
| Dynamic range (@1kHz, A-weighted) | ≥123dB | ≥120dB | ≥124dB | ≥123dB | |
| SNR (@1kHz, A-weighted) | ≥122dB | ≥119dB | ≥123dB | ≥122dB | |
| Channel separation (@1kHz, 47 kiloohm load) | ≥114dB | ≥108dB | ≥118dB | ≥116dB | |
| Output impedance | ~12 Ohms | ~60 Ohms | ~24 Ohms | ~1 kiloohm | |
