About the Eversolo DAC-R8 (Pre-order)
R2R DAC, Fully Balanced Preamp and Headphone Amplifier
The Eversolo DAC-R8 is an R2R ladder DAC, preamplifier and headphone amplifier. Conversion runs through Eversolo's own Origin R2R discrete resistor network, driven by an FPGA, instead of an off-the-shelf DAC chip. The chassis is sized to stack with the Eversolo T8 streaming transport.
The DAC-R8 is available for pre-order. Eversolo does not have an exact shipment date yet.
Origin R2R conversion
Origin R2R is Eversolo's in-house architecture: FPGA-driven, 5+20-bit and fully differential. Digital processing, conversion and analog output are designed as one system. Three listening modes are selectable on the front screen: NOS (non-oversampling), OS (oversampling) and BEST. The signal stays fully balanced from conversion to the analog outputs.
Clock, power and volume
- A 10 MHz OCXO (oven-controlled crystal oscillator) with PLL timing, plus an external 10 MHz / 25 MHz clock input (50 Ω) for a master clock such as the Eversolo C10
- A custom O-core linear power supply
- A fully balanced, stepped R2R volume control that sets level in the analog domain
Measured performance (XLR)
- THD+N of 0.000316% (−110 dB) at 1 kHz
- 130 dB signal-to-noise ratio and 130 dB dynamic range (A-weighted)
- −142 dB channel separation
- Frequency response 20 Hz–20 kHz (±0.25 dB) in BEST output mode
- Output level 5 Vrms at 0 dBFS (2.5 Vrms on RCA)
System matching
The DAC-R8 is designed to complement the Eversolo T8 streaming transport, and it accepts an external master clock such as the Eversolo C10. Its preamplifier outputs can feed a power amplifier such as the Eversolo AMP-F8.
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Complete your system
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Eversolo AMP-F8
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Eversolo C10 (Pre-order)
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Details
Complete Specifications
Complete Specifications
| DAC | Origin R2R discrete resistor ladder, FPGA-driven, 5+20-bit, fully differential |
|---|---|
| Maximum resolution | DSD512 / PCM 768 kHz/32-bit (USB-B and IIS) |
| Inputs |
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| Outputs |
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| Processor | DCP8568 |
| Clock | 10 MHz OCXO with PLL; external 10 MHz / 25 MHz clock input (50 Ω) |
| Display | 5.2-inch IPS touchscreen with VU meters |
| Output level | XLR 5 Vrms; RCA 2.5 Vrms (@ 0 dBFS) |
| Headphone output | 6.35 mm single-ended: 4 Vrms (low gain), 5.5 Vrms (medium gain), 7 Vrms (high gain) @ 0 dBFS |
| Frequency response | 20 Hz–20 kHz (±0.25 dB), BEST output mode |
| THD+N | XLR 0.000316% (−110 dB) @ 1 kHz; RCA 0.000355% (−109 dB) @ 1 kHz |
| Dynamic range | XLR 130 dB; RCA 127 dB (A-weighted) |
| Crosstalk | XLR −142 dB; RCA −142 dB |
| Gain settings |
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| Remote control | Remote control included; Eversolo app |
| Power supply | Custom O-core linear power supply; AC 100–240 V, 50/60 Hz |
| Dimensions (mm) | 315 × 230 × 75 mm (W × D × H, incl. feet; 65 mm high without feet) |
| Dimensions (in) | 12.4 × 9.1 × 3.0 in (W × D × H, incl. feet) |
| In the box |
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| Pairs with |
Connections & Compatibility
Connections & Compatibility
Connectivity
Digital inputs
- USB-B and IIS over HDMI, up to DSD512 and PCM 768 kHz / 32-bit (IIS supports 8 pin modes)
- Electrically isolated AES/EBU, plus coaxial and optical, up to PCM 192 kHz / 32-bit and DSD64 DoP
- HDMI ARC, up to PCM 192 kHz / 24-bit
- Bluetooth 5.4 (Qualcomm QCC3095) with aptX, aptX HD and aptX Adaptive
Analog connections
- XLR and RCA analog inputs
- Balanced XLR and RCA preamplifier outputs
- 6.35 mm headphone output with low, medium and high gain for headphones from 16 to 300 ohms
A 5.2-inch IPS touchscreen with VU meters, a rotary volume knob, a remote control and the Eversolo app provide control. Connect a computer over USB to adjust EQ, FIR filtering, dynamics and delay in a browser, with no drivers required. The aluminum-alloy chassis measures 315 × 230 × 75 mm with feet (65 mm without feet) and weighs 4 kg.
FAQ
FAQ
What is the Eversolo DAC-R8?
It is an R2R ladder DAC, preamplifier and headphone amplifier. Conversion uses Eversolo's Origin R2R discrete resistor network, which is FPGA-driven, 5+20-bit and fully differential, rather than an off-the-shelf DAC chip.
What listening modes does the DAC-R8 have?
Three modes are selectable on the front screen: NOS (non-oversampling), OS (oversampling) and BEST. Frequency response is rated at 20 Hz–20 kHz (±0.25 dB) in BEST output mode.
What resolutions and connections does it support?
USB-B and IIS over HDMI support up to DSD512 and PCM 768 kHz / 32-bit. Isolated AES/EBU, coaxial and optical support up to PCM 192 kHz / 32-bit and DSD64 DoP. It also has HDMI ARC, Bluetooth 5.4, XLR and RCA analog inputs, XLR and RCA preamplifier outputs, and a 6.35 mm headphone output with three gain levels for 16–300 ohm headphones.
Does the DAC-R8 accept an external master clock?
Yes. It has a 10 MHz OCXO with PLL for internal timing, and a 10 MHz / 25 MHz external clock input at 50 ohms, so it can be clocked by a master clock such as the Eversolo C10.
How is volume controlled on the DAC-R8?
A fully balanced, stepped R2R volume control sets the level in the analog domain, so attenuation does not reduce digital resolution. You can also use the rotary knob, the touchscreen, the included remote control or the Eversolo app.
Is the DAC-R8 available now, and what does it ship with?
The DAC-R8 is available for pre-order. Eversolo does not have an exact shipment date yet. In the box are a remote control, a power cable, a trigger cable, a user manual and a warranty card. It measures 315 × 230 × 75 mm with feet and weighs 4 kg.
Shipping & Warranty
Shipping & Warranty
Warranty: 1-year Eversolo manufacturer warranty from date of purchase
HiFi Boutique ships within the United States only. Orders ship within 2 business days, with a tracking number. See the shipping policy.