Quad Artera Pre Amplifier
Quad Artera Pre Amplifier
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Drawing upon the company’s rich technical heritage whilst being rooted firmly in the present, Artera Pre is the first dedicated analogue preamplifier to join Quad’s flagship Artera series of solid-state audio electronics. Artera Pre reintroduces a famous Quad feature–the Tilt control first available in 1982 on the classic Quad 34 preamplifier,
It was created by Quad founder Peter Walker as an audiophile-quality answer to tone adjustment who believed that in the real world, the ability to adjust tonal balance on an amplifier was useful to cater for different rooms and recordings, but that typical tone and EQ controls were clumsy and inadequate in their effect.
Tilt control adjusts both ends of the frequency spectrum together–either attenuating the bass and lifting the treble or lifting the bass and attenuating the treble, in steps of 1dB. In effect, it rotates–or tilts–the audible frequency range on a 700Hz axis, adjusting the overall balance of the sound to make it ‘warmer’ or ‘cooler’ without affecting the apparent volume or ‘colouring’ the sound.
The Tilt control is unique to Quad and is a subtle, precise and consistent way to adjust sound to compensate for different recordings and the acoustic anomalies of different rooms. Though much acclaimed when it was introduced and still admired to this day, it hasn’t featured on a new Quad product for a decade–the Artera Pre is the perfect opportunity for its return.
The new Artera preamp adds further analogue bass filters to the Tilt function for additional sound tailoring which may be useful for a variety of reasons. For example, optional bass lift (of +4.5dB around 60Hz) may be used to give smaller speakers a little more extension, while bass cut (-4.5dB shelf response) can help to deal with unwanted room resonances.
These filters are engineered for precise and refined adjustment and their effect is much more sophisticated than typical bass controls. The Tilt and bass filters can be combined to create individual EQ profiles to assign to each source input.
In this way, each input can be configured to suit the connected component, be it a turntable, a CD player, a tuner, a DAC or streamer, or any other playback device with an analogue output. Individual adjustment may also be made in real time, to suit whichever recording is being played.
While the inclusion of these facilities echoes the classic Quad 34 preamp, the Artera Pre is otherwise a very different beast both inside and out. The Quad 34 is known for its ‘velvety’ tone, in line with the times when it launched but falling a little short of the steadfast transparency and neutrality required of the best audiophile preamplifiers today.
The Artera Pre’s electronics design team was led by Jan Ertner, architect of many acclaimed audio components. His goal was to create a preamplifier that exemplifies state-of-the-art design, transparency of sound and fidelity to the source, whilst also providing those classic, expertly engineered sound tailoring options for an ideal balance between sonic purity and versatile control.
The circuitry is exceptionally well specified, including a low-noise toroidal transformer, numerous reservoir/smoothing capacitors and an impressive number of regulators. The power supply incorporates 11 regulated supply rails including multiple ultra-low-noise regulators with extensive measures against contamination and cross-coupling.
The core signal path is short and direct to preserve signal purity, and volume is adjusted in the analogue domain under microprocessor control. Vinyl lovers and headphones users are well catered for with dedicated, high-quality circuitry.
The Artera Pre’s low-noise, Class A phono stage is configurable for both MM and MC cartridges, while an integrated headphone amplifier features a discrete, Class A output stage with low output impedance to drive even the toughest of loads. Four stereo RCA inputs are provided–three line-level and one phono–plus one balanced XLR.
All inputs can run indirect mode if preferred, bypassing all other circuitry to provide the shortest possible signal path from input to output. Unlike many preamps with balanced inputs, the Artera Pre’s four-channel volume control enables the audio signal to remain fully balanced throughout. The gain (sensitivity) of each input can be controlled in 0.5dB steps between-8dB and +8dB, enabling users to precisely match levels between different sources.
To add further flexibility, one of the line-level RCA inputs can be configured in AV bypass mode, enabling use with an external AV processor. Preamp outputs are provided in both balanced XLR and single-ended RCA flavours, together with a fixed-level RCA output. A pair of 12v trigger outputs is also included to switch connected equipment on/off in line with the preamp.
Artera Pre joins the Artera Play+ CD player/DAC/preamp, Artera Stereo power amp and Artera Solus all-in-one system in Quad’s flagship range of solid-stage audio electronics. The Artera Pre and Stereo are perfect partners–the latter sports the latest version of Quad’s famous Current Dumping topology to deliver a captivating combination of dynamic power, vice-like grip and sumptuous sonic detail from a compact, cool-running power amp.
All Artera Series components share the same compact 32x32cm footprint, with a crisp, clean aesthetic that both evokes Quad’s past and looks forward to the future. The housing provides a rigid structure that exudes quality and resists interference from external vibrations,
With a textured aluminium front panel, thick glass top and CNC-routed heat sinks on either side. The minimalist appeal of Artera components is further enhanced by touch-sensitive controls built into their circular OLED displays. A fully featured remote control is also provided.
|Analogue Inputs||3 x RCA (AUX1, 2 & 3), XLR, Phono MM/MC|
|Analogue Outputs||1 x RCA (PRE OUT), 1 x RCA(AUX), 1 x XLR,1 x 6.35mm Headphone Jack|
|Gain (max.) , Volume = 100||+8dB (Line/XLR)|
|+53.5dB (Phono MM)|
|+73.5dB (Phono MC)|
|Input Sensitivity (Vol = 84, Vout = 0dBu)||775mV (Line/XLR)|
|4.1mV (Phono MM)|
|410uV (Phono MC)|
|Input Impedance||10K (Line/XLR)|
|47K//100pF (Phono MM)|
|100R//1.7nF (Phono MC)|
|Max. Output Level (THD < 0.1%)||2.3Vrms (RCA)|
|Input Headroom (THD < 0.1% , Vol = 50)||4.1Vrms (RCA)|
|62mV (Phono MM) / 6.2mV (Phono MC) @ 1kHz|
|Frequency Response||20Hz-20kHz (± 0.2dB)|
|Total Harmonic Distortion||<0.002% (20Hz-20kHz)|
|S/N Ratio (Vout = 0dBu)||>110dB(A) (Line/XLR)|
|>80dB(A) (Phono MM)|
|>76dB(A) (Phono MC)|
|Channel Separation||>100dB (10kHz)|
|Output Impedance||120 Ohms (RCA)
100 Ohms (XLR)
|AC Mains Supply Requirement(Factory set)||230V ~ 50-60Hz|
|115V ~ 50-60Hz|
|100V ~ 50-60Hz|
|Dimensions (W×D×H)||320 x 320 x 105mm|
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