The New SL-G700 Network / Super Audio CD Player. The SL-G700 is a multi-digital player that covers most of the digital audio media available today, from traditional CD/SACD to the latest high-res and many streaming services, and plays them all back in the highest possible quality.
- Premium High-grade D/A Converter and Dual Mono Construction D/A Circuit
- Discrete AMP Module
- High-speed Silent Hybrid Power Supply
- High-quality Headphone Output
- Four-Section Configuration
- High-Rigidity Drive Mechanism
For analogue audio output, the D/A circuit is one of the most important circuit blocks since it recreates the original analogue waveform from a digital source, such as a CD. For the D/A converters, Asahi Kasei Micro devices’ top-of-the-line DAC AK4497, with their high S/N ratio and low distortion, are isolated for the left and right channels. The power supply for the D/A converters is separated into five sections according to the application, and supplied individually. The power supply for the clock employs an original Battery Driven Circuit System to achieve high-accuracy D/A conversion. The Dual Mono Construction and asymmetrical layout eliminate mutual interference between left and right channels, taking the reproduction of sound imaging and sound space recorded in the source to a higher dimension.
Discrete AMP Module
For analogue audio output, the filter circuit located after the D/A conversion determines the quality of sound. The SL-G700’s filter circuit incorporates not an Opamp IC but an amp module of original discrete construction. The use of low-noise transistors and thin-film resistors suppresses the noise generated inside the circuits. Detailed fine tuning, such as the increase of operating current, has improved the response, S/N ratio and distortion rate. As result, the SL-G700 provides highly linear and faithful sound reproduction without omitting even the smallest nuances recorded in the source.
High-speed Silent Hybrid Power Supply
The quality of power supply is extremely important for high-fidelity sound reproduction. Power supply noise and supply stability directly affect the quality of sound reproduced from audio signals, particularly for analogue audio output. The SL-G700 is equipped with a dedicated power supply unit for analogue audio output. Its non-feedback switching power supply suppresses switching frequency fluctuation. Combined with the original stabilised power supply circuit, this dedicated power supply unit provides stable power with low noise. The discrete circuit structure does not use any general-purpose ICs, and meticulous tuning provides power optimised for analogue circuits, thus realising a high S/N ratio and superb reproduction, the hallmark of Technics sound.
High-quality Headphone Output
Generally, the analogue output signal (Balanced / Unbalanced) and headphone output signal are generated by the same D/A circuit. The SL-G700 is equipped with a dedicated D/A circuit for headphones which is independent from that for analogue output. This circuitry incorporates Technics’ original sound processing LSI, the JENO Engine (Jitter Elimination and Noise-shaping Optimisation). Complete separation of the analogue output from the headphone output has eliminated the mutual interference between the two circuits that serve different purposes. In addition, each circuit receives the most suitable sound tuning. As a result, both outputs provide maximum performance. Furthermore, the SL-G700 is equipped with an operation optimisation system that automatically turns on the JENO Engine when a pair of headphones is connected. This eliminates the adverse effect of the analogue output on the sound quality when headphones are not connected.
What’s more, the Class AA System headphone amp uses separate amp circuits for the audio signal voltage amplification and current amplification. The high-grade operation amp amplifies voltage, and the separate operation amp with high power supply capacity amplifies current. This enables high-precision conversion of the high-resolution PWM signal output from the JENO Engine to an analogue signal. Achieving ideal drive of headphones with a wide range of load impedance, it delivers low-distortion sound across a broad frequency range.
In Digital Audio Player, there are a variety of circuits, such as Switching Power Supply which has big energy and the Digital Interface Circuit which handling high frequency signal, and also analogue circuit. The SL-G700 uses a Four-Section construction with partitions installed between the circuit blocks according to the signal level handled and circuit type. This eliminates interference between circuit blocks, thus achieving clear sound quality. Also, the chassis rigidity due to this construction suppresses the vibration of electrical parts, thereby suppressing deterioration in sound quality.
Supports a Wide Variety of Music Sources and High Connectivity
Compatible music streaming services will be supported sequentially through firmware updates.
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- Dimensions (W x H x D): 430 x 98 x 407 mm
- Weight: 12.2 Kg
- Frequency response:
- SACD: 2 Hz to 50 kHz (-3 dB)
- CD: 2Hz to 20 kHz (-3 dB)
- SACD: 0.0006% (1 kHz, 0 dB)
- CD: 0.0015% (1 kHz, 0 dB)
- 1 x Coaxial Digital
- 1 x Optical Digital
- 2 x USB-A
- 1 x Balanced
- 1 x Unbalanced
- 1 x Coaxial Digital
- 1 x Optical Digital
- 1 x 6.3 mm Audio Jack
- 1 x 3.5 mm Audio Jack
Check out the specifications for more details – Technics SL-G700 Specifications