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iFi Audio iDSD Diablo Mobile Reference DAC/ Headphone Amplifier
The iDSD Diablo, with its sleek new design and fiery red finish, sits proudly at the top of our range of portable/transportable DAC/amps. It is built for purists – the true headphone enthusiasts who crave pure, unadulterated sonic performance. Just like a racing car designed for uncompromising speed, the iDSD Diablo sets aside sonic tailoring as well as Bluetooth connectivity to focus on pure sonic power. Prepare for a riveting ride as it will drive any headphone on the planet with aplomb.
Features:
- Purist design
- Fully balanced 4.4mm outputs with 4,100mW output
- Devilishly deep bass reproduction and unbelievable resolution
- New PureWave ultra-low THD circuit design - THD 0.002% (BAL), 0.001% (SE)
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Technical Specification
- Digital Inputs:
- USB 3.0 type 'A' (USB2.0 compatible)
- S-PDIF (3.5mm coaxial/optical)
- Formats supported:
- DSD512/256/128/64
- Octa/Quad/Double/Single-Speed DSD
- DXD (768/705.6/384/352.8kHz)
- Double/Single-Speed DXD
- PCM (768/705.6/384/352.8/192/176.4/
- 96/88.2/48/44.1 kHz)
- MQA
- Frequency Response: 10Hz-80kHz(-3dB)
- SNR:
- Balanced: -120dB
- S-E: -114dB
- Dynamic range:
- Balanced: 120dB
- S-E: 114dB
- THD + N:
- Balanced: 0.002%
- S-E: 0.001%
- Headphone Max Output:
- Balanced: >19.2V/611 nnW (@ 600 Ohnn) / >12.6V/4,980 mW (@ 32 Ohm)
- S-E: >9.6V/153 nnW (@ 600 Ohm) / >8.8V/2,417 nnW (@ 32 Ohm)
- Fixed Audio Output: Balanced: 4.4mm
- Power consumption:
- Turbo: 12W
- Normal: 5W
- Eco: 2W
- Battery: Lithium-polynner 4800nnAh
- Power System:
- Charging via USB-C (iFi iPower included)
- BC V1.2 compliant up to 1900nnA charging current
- Dimensions:
- 166 x 72 x 25 mm
- 6.5" x 2.8"x 1.0"
- Weight: 330g (0.73 lbs)
- Warranty: 1 year
What Is In The Box
- iFi Audio iDSD Diablo Mobile Reference DAC/ Headphone Amplifier
- Square to round fibre conversion head
- USB3.0 cable
- USB-Type A to Type-C cable
- 6.35 to 3.5 converter
- 5.5* 2.1 female to Type-C power cable
- 4.4mm to Twin XLR cable
- iPower 5v
- iPower's accessories
- iPurifier3-A Type C
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Manufacture Description
Positively pure
Balanced, differential analogue circuit design reduces noise and cross-talk within the signal path by fully separating the left and right channels. The iDSD Diablo benefits from further refinements to our balanced, symmetrical dual-mono topologies with short, direct signal paths. We call this PureWave.
Negative feedback is used in amplifier circuits to compare the output signal with the input signal and correct errors. BUT there are drawbacks. iFi turns the negatives into positives with OptimaLoop.
Read more on these technologies below.
Power that does not corrupt.
The iDSD Diablo’s focus on pure, unadulterated performance, means much attention has been applied to the power supply circuity.
Battery power provides ultra-clean and stable DC current avoiding the issues of mains electricity – dips, spikes and noise-inducing RFI/EMI pollution. BUT there are sonic downsides resulting from low output voltage and inconsistent output impedance as batteries discharge.
These issues are fully tackled by the iDSD Diablo’s design.
In order to make less efficient headphones, like planar magnetics, sing, the voltage needs to be stepped up from 3.7V to +/- 15V. We use a step-up converter running at 1.2MHz – a frequency far beyond audibility that is easier to filter than a typical switch-mode supply, enabling high linearity and ultra-low noise.
Hooking up with the Devil…
At the front of the unit, alongside a standard 6.3mm single-ended headphone socket, resides a 4.4mm Pentaconn output for headphones offering balanced connection.
At the back are two digital audio inputs: USB-A and a S/PDIF socket that accepts both electrical and optical signals, the former via a 3.5mm connector and the latter via a supplied adapter.
The USB-A input features a ‘male’ connector, rather than a typical ‘female’ port for greater mechanical integrity. A separate USB-C charging port is also provided, along with a 4.4mm Pentaconn balanced output to connect to an external amp.