Audiolab 6000A Integrated Amplifier + 6000CDT CD Transport

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Audiolab 6000A Integrated Amplifier Audiolab 6000CDT CD Transport 3 Years Warranty

商品详情

6000A

 

Overview

 

Integrated Amplifier

An amplifier remains the beating heart of any high-performance audio system, but in 2018 a truly versatile integrated amp needs to cover many bases – digital and analogue sources, wireless connectivity for portable devices, a phono stage to cater for vinyl playback, amplification for headphones as well as speakers… That’s a lot to pack in, whilst keeping performance high and the price tag affordable – and yet, that’s exactly what the 6000A delivers.

 

The Sound of Science

Outwardly, the 6000A bears strong resemblance to the 8300A with its rotary controls and large, central OLED display. Unlike its costlier, analogue-only sibling, it incorporates high-quality D/A conversion, enabling digital sources to be connected directly without an external DAC. It supplies four digital inputs, three line-level analogue inputs, an input for a turntable, wireless connectivity via Bluetooth and a dedicated headphone amp, in addition to its ability when driving loudspeakers.

 

Technology

Digital circuitry

Much effort has been made to ensure the 6000A’s digital circuitry delivers the level of quality one might expect of a high-performance standalone DAC. As ever, Audiolab has turned to the ES9018 Sabre32 Reference chip family to perform D/A conversion, utilising ESS Technology’s 32-bit HyperStream architecture and Time Domain Jitter Eliminator to deliver ultra-low noise and high dynamic range.

 

Technology

Analogue circuitry

The 6000A’s discrete Class AB power amp stage delivers 50W per channel into eight ohms, with a maximum current delivery of 9 Amps into difficult loads. The output stage of the discrete power amp circuits uses a CFB (Complementary Feedback) topology, ensuring superior linearity and excellent thermal stability, as the idle current is kept independent of the temperature of the output transistors.
A substantial 200VA toroidal transformer, followed by 4x15000uF reservoir capacity (60000uF in total), helps the amp to maintain firm control of the music whilst enabling excellent dynamic range.

The preamp section is kept as simple as possible to maintain signal purity, with line input signals passing to a precision analogue volume stage. The latter covers the range from -80dB to +8dB in steps of 2dB and 1dB (step resolution increases with volume position). Much effort has gone into the physical layout of the 6000A’s circuitry, protecting the sensitive preamp section from noise interference.

 

6000CDT

 

Overview

 

The 6000CDT is a dedicated CD transport incorporating the same slot-loading mechanism as audiolab’s flagship CD player, the 8300CD. Extremely robust and reliable, it uses a read-ahead digital buffer to reduce disc-reading failures, able to play scratched and damaged CDs that are unreadable by conventional mechanisms.

 

The Sound of Science

The 6000CDT is the latest CD transport from audiolab. Using audiolab’s slot loading mechanism, the transport uses read-ahead digital buffering to reduce disc reading failures and deliver the highest level of digital signal extraction from a wide range of CDs, even capable of reading scratched and damaged CDs that are unreadable by conventional mechanisms. The onboard digital decoder utilises digital coax and optical outputs to deliver the maximum versatility.

The master clock is controlled by a temperature-compensated crystal oscillator, enabling the digital output from both coaxial and optical sockets to exhibit vanishingly low levels of jitter (digital distortion).

 

In addition, the coaxial output is fed from a differential line driver to ensure a flawless digital signal reaches the accompanying DAC – naturally, the 32-bit DAC section in the 6000A integrated amp is a superb sonic match.

By mounting the transport in its own, electromagnetically shielded enclosure, and including a dedicated power supply, the digital signal extraction from any CD is as accurate and precise as it is possible to achieve.

 

Specification

 

6000A Specifications

Gain (max.)+8dB (Line)
 +55dB (Phono MM)
Input Sensitivity720mV (Line, Volume = 0dB)
 3.1mV (Phono MM, Volume=0dB)
Input Impedance10K (Line)
 47K//100pF (Phono MM)
Total Harmonic Distortion (THD)< 0.0004% (Line, 1KHz @ 2V, Volume = 0dB)
Frequency Response20Hz-20kHz (+/-0.1dB)
Output Voltage2.3V max. (Volume = 0dB)
Output Impedance120Ω
Signal-to-Noise Ration (S/N)> 110dB (Line, A-weighted)
 >76dB (Phono MM, A-weighted)
DAC 
D to A converterES9018K2M
Total Harmonic Distortion (THD)< 0.0006% (1kHz @ 0dBFS)
Output level (0dBFS, 1KHz)2.05V
Max. Sampling Frequency192kHz
Signal-to-noise ratio (S/N)> 112dB (A-weighted)
Digital FiltersFast Roll-off , Slow Roll-off , Minimum Phase
Power Amplifier Section 
Gain+29dB
Rated Max. Power Output2 X 50W (8Ω, THD<1%)
 2 X 75W (4Ω, THD<1%)
Frequency Response20Hz-20kHz (+/-0.3dB)
Input Sensitivity720mV
Total Harmonic Distortion (THD)<0.003% (1kHz @ 40W/8Ω)
Signal-to-Noise ratio (S/N)> 110dB (A-weighted)
Max. Output Current9A
Headphone Amplifier 
Total Harmonic Distortion (THD)< 0.01% (1kHz, 50mW)
Output Impedance2.35Ω
Load impedance20-600Ω
General 
Standby Power Consumption<0.5W
Power Requirements240V ~ 50 - 60Hz
 230V ~ 50 - 60Hz
 115V ~ 50 - 60Hz
 100V ~ 50 - 60Hz
Dimensions (mm) (W x H x D)445 x 80 x 330mm including feet, terminals and controls
Carton Size (mm) (W x H x D)512 x 467 x 146
Weight7.8kg (Net)

 

6000CDT Specifications

Digital Output Voltage Level600±50mVpp
Frequency response<0.01dB @ 20-20kHz
Output Impedance75±1Ω
Max Sampling Rate44.1 kHz
Max. Power Consumption15W
Standby Power Consumption<0.5W
Power Requirements240V ~ 50 - 60Hz
 230V ~ 50 - 60Hz
 115V ~ 50 - 60Hz
 100V ~ 50 - 60Hz
Dimensions (mm )(W x H x D) 445 x 80 x 307mm - including feet, terminals and controls
Carton Size (mm )(W x H x D) 512 x 467x 146
Weight5.4kg (Net)

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