Project Audio Debut Pro S
28/09/2022
iFi Audio DC Blocker
29/09/2022
iFi Audio Go Bar
€329,00
Best bar none ( the best without exception)
Premium USB DAC. ‘s Werelds krachtigste hoofdtelefoonversterker in zijn formaat.
Te beluisteren bij AudioZaal
Go, Go, GO!
De GO-Bar is iFi’s top-of-the-line ultra draagbare USB DAC / hoofdtelefoonversterker.
Of u nu pendelt, op afstand werkt of aan uw bureau werkt of gewoon voor uw plezier reist, de GO-bar is de perfect draagbare manier om hoofdtelefoons hemels te laten klinken.
Maak verbinding met uw laptop, MacBook, tablet of smartphone of een ander digitaal apparaat met een USB-poort voor sensationeel geluid thuis, op kantoor of onderweg.
GO bar wordt geleverd inclusief een lederen reisetui, een USB-C naar Lightning kabel, een USB-C OTG kabel en een USB-C naar USB-A adapter.
U hoeft geen Apple Camera Connection Kit te kopen, plus een USB-C OTG-kabel en een USB-C naar USB-A adapter.
Small. But mighty.
The DAC section of the GO bar uses a powerful 16-core XMOS micro controller to process the audio data received at the USB input. Our in-house team has programmed the XMOS firmware to optimise sound quality and ensure a perfect partnership with the GO bar‘s 32-bit Cirrus Logic DAC chipset.
A customised digital filter minimises pre-echoes and ringing artefacts. Our GMT (Global Master Timing) precision clock system ensures ultra-low jitter.
- Ultra-res PCM up to 32-bit/384kHz via USB
- Native playback up to DSD256
- 2x DXD
- Full MQA decoding
Suits you, sir
Four bespoke digital filtering options:
- Bit Perfect – no digital filtering, no pre or post ringing
- Standard – modest filtering, modest pre and posting ringing
- Minimum Phase – slow roll-off, minimum pre and post ringing
- Gibbs Transient Optimised – minimum filtering, no pre-ringing and minimum post ringing
Two analogue processing modes:
- XBass+ – an analogue bass boost to ‘add back’ lost bass response for more accurate reproduction of the original
- XSpace – a holographic sound field to open up your music to give you the spaciousness of a live concert
External affairs
The GO bar’s smart alloy case sports physical buttons for precise volume adjustment plus controls to select between various sonic tuning options. A column of coloured LEDs provides a handy guide to the format and sample rate of the digital audio currently playing, and whether XBass+ and/or XSpace are engaged.
At one end is an asynchronous USB-C input and at the other a pair of headphone outputs.
- 4.4mm fully balanced output – headphones with a balanced cable/connector can benefit from the fully balanced circuitry of the GO bar
- 3.5mm S-Balanced output – our S-Balanced tech cuts crosstalk and noise by 50% with regular single-ended headphones.
Balance of power
Despite its diminutive size, the GO bar’s analogue circuitry sports a balanced circuit design with symmetrical twin-channel output stage. This reduces noise and crosstalk in the signal path by fully separating the left and right channels. This is usually found in larger and more expensive amplifiers.
The circuitry is packed full of high quality discrete components and special attention has been paid to power supply filtering too, dramatically reducing signal noise introduced through the USB input.
Purity and power
The amp’s design combines sonic purity with power.
- 475mW into 32 ohms
- 7.5V into 600 ohms
No headphone amp of such a diminutive size can match the GO bar’s ability to drive tricky headphone loads or work with a wider variety of headphones.
The GO bar also incorporates two power tuning technologies:
- iEMatch – attenuates power to suit high-sensitivity headphones and IEMs, it removes background noise and increases usable volume range
- Turbo – ramps up the gain by 6dB to satisfy more power-hungry headphones
*Please note that the GO bar may not work with iPhones up to and including 6S when the phone battery is low (<30%).
Features
Hi-Res True Native® playback of all music formats from MP3 to DSD256, PCM384 and DXD384.
MQA (Master Quality Authenticated)
MQA is an award-winning British technology that delivers the sound of the original master recording. The master MQA file is fully authenticated and is small enough to stream or download. The GO bar adopts MQA technology to receive and decode MQA audio and provide master-level sound.
The GO bar’s analogue circuitry features balanced design with a symmetrical twin-channel output stage.
This topology, usually reserved for larger and more expensive amplifiers owing to its cost and complexity, reduces noise and crosstalk in the signal path by fully separating the left and right channels.
Extensive jitter-eradication technologies are applied to the digital stage, including our GMT (Global Master Timing) femto-precision clock and intelligent memory buffer. This represents a total ‘out-of-the-box’ systematic digital solution that solves jitter once and for all.
TDK C0G (Class 1 ceramic) capacitors offer high stability and low losses for resonant circuit applications.
Getting ever closer to the theoretical ideal of pure, frequency-constant capacitance, these capacitors reduce capacitor-induced distortion to vanishingly low levels.
They are pricey but are a perfect addition to our products.
muRata control-type, low-ESR high-Q multi-layer capacitors. The ‘ESR control’ aspect of the Murata is something special. Their noise suppression abilities are impressive.
Panasonic OS-CON caps totaling 5,410uF give very-low Equivalent Series Resistance (ESR), excellent noise reduction capability and frequency response characteristics. In addition, OS-CONs have a long-life span and its ESR changes little even at low temperatures since the electrolyte is solid.
Tantalum capacitors are another example of the top-notch components we prefer. These polarised electrolytic capacitors have superior frequency and stability characteristics, giving them a super high volumetric efficiency.
Technical Spec’s
| Input | USB C | |
| Formats | PCM DSD DXD MQA |
44.1/48/88.2/96/176.4/192/352.8/384kHz 2.8/3.1/5.6/6.1/11.3/12.3MHz 352.8/384kHz Full Decoder |
| DAC | Bit-Perfect DSD & DXD DAC by Cirrus Logic | |
| Headphone Output | BAL 4.4mm/UnBAL 3.5mm | |
| Power Output | Balanced UnBAL |
475mW@32Ω; 7.2V@600Ω 300mW@32Ω; 3.8V@600Ω |
| Output Impedance | <1Ω (BAL/UnBAL)* | |
| SNR | 132dBA / 108dBA (BAL/UnBAL) | |
| DNR | 109dB(A) / 108dB(A) (BAL/UnBAL | |
| THD + N | Balanced UnBAL |
<0.002% (6.5mW/2.0V @ 600Ω) <0.09% (100mW/1.27V @ 16Ω) |
| Frequency Response | 20Hz – 45kHz (-3dB) | |
| Power Consumption | <4W max. | |
| Dimensions | 65 x 22 x 13.2 mm (2.6″ x 0.9″ x 0.5”) | |
| Weight | 28.5g (1.0 oz) | |
| Warranty period | 12 months |
Merk
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