Full Description
EISA Best Product 2018-2019
“A robust, stylish cabinet design is matched by an impressive performance bolstered by the latest version of KEF’s Uni-Q concentric driver.”
KEF Q350 Bookshelf Speakers
Uni-Q Driver
The KEF Q350 speakers are equipped with a 165mm Uni-Q driver that puts you at the centre of the action. The 25mm vented aluminium tweeter gives the audio a boost and delivers high frequencies that elevate your entertainment. The aluminium cone is home to Z-Flex technology, allowing for reduced distortion. With the addition of a waveguide, the KEF Q350 speaker creates a wide-reaching sound that you’ll love listening to.
Robust Design
The KEF Q350 bookshelf speakers offer great sounds that are enhanced by the magnetic grilles, these grilles will also provide visually pleasing aesthetics. The solid speaker cabinet can be easily placed on KEF stands that will fit safely next to your TV or HiFi setup.
CFD-Designed Port
Computational fluid dynamics(CFD)port design, positioned at the back of the unit, provides a stunning bass performance that keeps you engrossed in the sound. The KEF Q350 speakers also offer a 63Hz-28kHz frequency response, 87dB sensitivity, and 8 ohms nominal impedance to create audio that you will not want to turn off.
Features
- 165 mm Uni-Q driver offers great, low frequencies
- 25 mm vented aluminium tweeter transmits fantastic high frequencies that make for a varied sound
- The waveguide ensures the sound fills the room
- Z-Flex technology reduces distortion to make for a clear sound
- Robust, compact design can be placed on speaker stands with ease
- Computational fluid dynamics (CFD) port design makes for a brilliant, bass sound
- 63 Hz – 28 kHz frequency response, 87 dB sensitivity, and 8 ohms nominal impedance enables enhanced audio
KEF Q350 Bookshelf Speakers
Class AB Power
The 7000A has a discrete Class AB power amp stage which delivers 70W per channel into eight ohms, and a maximum current delivery of 9A amps for difficult loads. Superior linearity and excellent thermal stability are ensured with the output stage of the discrete power amp circuits using a CFB topology. The amp stays in firm control of the music with excellent dynamic range, helped by the 250VA toroidal transformer and the 4x15000uF reservoir capacity.
Multiple Sources
Cover all bases with high quality for all: For CD players and line-level sources, you have dual analogue inputs; for digital sources, dual Coaxial and SPDIF inputs; and for wireless audio playback and smart devices, you have a Bluetooth aptX receiver. Plus, the HDMI Audio Return Channel (ARC) connection allows you to seamlessly enhance your TV audio, with a direct-to-PC connection via USB as well, for all your home entertainment.
Cutting-edge DAC
The 7000A’s ESS ES9038Q2M chip finetunes the introduction of low-loss digital audio files into your home audio system. It utilises both 32-bit HyperStream architecture and Time Domain Jitter Eliminator from ESS Technology. Plus, it has ultra-low noise and a high dynamic range thanks to a post-DAC filter based on class A topology and its proprietary DC-coupled high-gain electronic amp.
Super Streaming
The 7000A offers full decoding for MQA, a hi-res streaming technology with a completely limited loss of detail. This means that the 7000A completes the ‘three unfold’ decoding process internally, instead of a final unfold in a final MQA ‘renderer’, resulting in superior sounding, studio-quality audio streaming from services such as Tidal.
Integrated Phono Solution
Connecting a turntable setup with a moving magnet cartridge? The 7000A comes with an enhanced, integrated phono stage, with RIAA equalisation and an improved low-noise MM phono circuit. The same can be said for this amp’s dedicated headphone output, which has current-feedback circuitry, gain bandwidth and a high slew rate, ensuring detailed and engaging performance.
Interface and Graphics
The 7000A includes an improved display and GUI, so you can more easily visualise your settings. It can be set to show a VU meter in either analogue or digital form. Furthermore, the GUI also has settings for the digital phase lock loop of the D/C converter.
Key Features
- Two-channel 70W (8 ohms) (or 110W (4 ohms)) Class AB amplifiers produce a powerful sound
- ES9038Q2M 32-bit DAC provides optimal sound quality for digital formats
- Built-in certified hardware MQA full decoder supports hi-res, studio-quality audio
- Bluetooth 5.0 (aptX / aptX LL) support enables wireless streaming
- Low-noise moving magnet phono stage lets you seamlessly connect your turntable
- Dedicated current-feedback headphone amp magnifies the sound for private listening sessions
- 20Hz-20kHz frequency response ensures dynamic sound capabilities that will cater to all music genres
- Numerous inputs and outputs for both analogue and digital audio means you can unify your devices into one home sound system
- 2.8″ (480x640mm) full-view IPS LCD display keeps you visually informed on the volume levels and amplifier functionality
What’s in the box?
- Audiolab 7000A
- 1 x Power Cord
- 1 x Remote Control
- User Manual
- Antennas
Audiolab 7000A Integrated Stereo Amplifier Specifications
General
| Net Weight | 8.4kg |
|---|---|
| Gross Weight | 10.7kg |
| Dimensions (mm) (W x D x H) | 444 x 340 x 78 |
| Carton Size (mm) (W x D x H) | 500 x 455 x 140 |
| Standby Power Consumption | <0.5W |
| Finish | Black / Silver |
| Power Requirements
(Depending on region) |
220-240V, 50/ 60Hz
(100-120V, 50/ 60Hz) |
| Inputs | 3 x Analogue
1 x Phono (MM)
1 x Power Amplifier
2 x SPDIF (Coax)
2 x SPDIF (Optical)
1 x HDMI ARC
1 x PC USB (USB B)
1 x Bluetooth (aptX/aptX LL)
1 x 12V Trigger |
| Outputs | 1 x PRE Amplifier
1 x Stereo Speaker
1 x Headphone
1 x 12V Trigger |
| Sampling Frequency | Optical / Coaxial: 44.1kHz – 192kHz
PC USB: 44.1kHz-768kHz (PCM) / DSD64, DSD128, DSD256, DSD512 |
Preamplifier Section
| Gain | +6dB (Line); +55dB (Phono MM) |
|---|---|
| Input Sensitivity | 820mV (Line, Volume = 0dB); 3.1mV (Phone MM, Volume = 0dB) |
| Input Impedance | 10K (Line); 47K // 100pF (Phono MM) |
| Total Harmonic Distortion (THD) | < 0.0005% (1kHz @ 2V, Volume = 0dB) |
| Frequency Response | 20Hz-20kHz (+/-0.1dB) |
| Output Voltage | 2.3V max. (Volume = 0dB) |
| Output Impedance | 100 ohms |
| Signal-to-Noise Ratio | > 110dB (Line, A-weighted); > 76dB (Phono MM, A-weighted) |
DAC
| D to A Converter | ES9038Q2M |
|---|---|
| Total Harmonic Distortion (THD) | < 0.0005% (1KHz @ 0dBFS) |
| Output Level (0dBFS, 1kHz) | 2.1Vrms |
| Max. Sampling Frequency | Optical, Coaxial: 192kHz;
Ethernet, WiFi: 192kHz;
USB A: 48kHz;
PC USB: PCM768kHz, DSD512 |
Power Amplifier Section
| Gain | +29dB |
|---|---|
| Rated Power Output | 2 x 70W (8 ohms, THD<1%); 2 x 110W (4 ohms, THD<1%) |
| Frequency Response | 20Hz-20kHz (+/-0.3dB) |
| Total Harmonic Distortion (THD) | <0.003% (1kHz @ 40W / 8 ohms) |
| Input Sensitivity | 720mV |
| Signal-to-Noise Ratio (S/N) | > 110dB (A-weighted) |
| Max. Output Current | 9A |
Headphone Amplifier
| Total Harmonic Distortion (THD) | < 0.01% (1kHz, 50mW) |
|---|---|
| Output Impedance | 4.7 ohms |
| Load Impedance | 20-600 ohms |
KEF Q350 Bookshelf Speakers Specifications
Dimensions
| Dimensions without rubber feet (H x W x D) | 358 x 210 x 306 mm |
|---|---|
| Dimensions with rubber feet | 362 x 210 x 306 mm |
| Weight | 7.6 kg |
General
| Design | 2-way bass reflex |
|---|---|
| Unit measurement | Pair |
| Sensitivity | 87 dB (2.83 V/1m) |
| Frequency range free field | 47 Hz (-6 dB) |
| Frequency response | 63 Hz – 28 kHz (±3 dB) |
| Crossover frequencies | 2.5 kHz |
| Maximum output | 110 dB |
| Amplifier requirements | 15 – 120 Watts |
| Nominal impedance | 8 Ohms (min. 3.7 Ohms) |
| Drive units | 130 mm, 165 mm aluminium Uni-Q
25 mm vented aluminium dome HF |
| Crossover frequencies | 2.5 kHz |
| Finishes | Satin black / satin white |
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