Technics SU-GX70 Network Integrated Audio Amplifier

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View Larger Image of SU-GX70 Network Integrated Audio Amplifier
View Larger Image of SU-GX70 Network Integrated Audio Amplifier

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Model: SU-GX70PP-K UPC: 885170401402

Product Information

A heavily featured streaming amplifier that combines the sonic genes of Technics Grand Class components with a wealth of source functions, including video connectivity, the SU-GX70 Network Audio Amplifier easily integrates into the home hi-fi system with the inclusion of an HDMI ARC port. 

Features

  • Full Digital Amp, JENO Engine (Jitter Elimination and Noise-shaping Optimization)
  • Twin Power Supply Circuit System
  • Ideal Impulse Response through LAPC (Load Adaptive Phase Calibration)
  • Pure Amplification Mode
  • High-quality Audio through Low-impact HDMI Video Output

Full Digital Amp, JENO Engine

The SU-GX70 uses a fully digital amplifier that incorporates Technics’ renowned digital audio technology. Its digital transmission system processes signals fully digitally in all stages from input to output. Compared to analogue transmission, this system is less susceptible to signal degradation caused by external noise, ensuring more precise signal transmission. Accurate signal processing not only delivers high-resolution digital audio but also maintains the soft texture inherent in analogue recordings.

Ideal Impulse Response through LAPC

Speaker impedance changes with each frequency and a power amplifier is required to drive speakers without being affected by the speaker’s characteristics. However, conventional digital amplifiers are connected to speakers through a low-pass filter at the output stage, so they are even more strongly affected by the speaker impedance characteristics. Also, although the amplitude characteristics of conventional amplifiers
due to negative feedback were improved, the phase characteristics could not be enhanced.

Twin Power Supply Circuit System

The design of the power supply is extremely critical in audio systems containing amplifiers, digital circuits and other such components. To eliminate any adverse effects on the amplifier, the SU-GX70 is equipped with a dedicated power supply for the power amplifier circuits that is independent from all other circuits. As such, the same electrolytic capacitors installed in high-end models have been used in the dedicated amplifier power supply and the power amplifier components.

High-quality music and audio from video source

Newly equipped with an HDMI ARC, low-impact HDMI video output ensures users can enjoy high-quality music and audio from the video source.

Compatible with a variety of music sources

The SU-GX70 supports a variety of music sources including radio, analogue input (PHONO(MM)/LINE), optical digital input (such as TV), coaxial digital input and USB input.

Enjoyment of high-quality sound wirelessly

The SU-GX70 can play back high-resolution music wirelessly from the source stored in a smartphone, tablet or PC. It supports not only Bluetooth® and AirPlay2 but also Spotify Connect®, Internet radio and Chromecast built-in™ so that a wide range of music streaming services can be enjoyed only with the SU-GX70.

Pure Amplification Mode

In Pure Amplification Mode, shutting off the power supply to the network and HDMI circuits removes any noise from the device or antenna. This ensures music playback with even better clarity.

Space Tune™ for Optimal Adjustmentof Sound Quality

The SU-GX70 is equipped with the “Space Tune” function, which enables the adjustment of sound space according to the room environment and installation location so that anyone can enjoy superb music reproduction.

Analogue Input Using Discrete AmpCircuits

The discrete amp circuit used in the SU-GX70 was redesigned and adapted from the circuit used in the SU-R1000, and the same symmetrical layout has been used.

Premium Design

Technics have ensured high-quality design throughout, including the 7mm thick aluminum front panel with a hairline finish and the engraved Technics logo.

Smooth Operation

The volume knob is made of solid aluminum to create a high-quality feel and ensure reliable operation.

Specifications

Specifications

  • Output Power: 40W+40W(1kHz,T.H.D.1.0%,8Ω,20kHz LPF) / 80W+80W(1kHz,T.H.D.1.0%,4Ω,20kHz LPF)
  • FTC Output Power: 30W + 30W ( 1kHz, T.H.D. 1.0%, 8Ω, 20kHz LPF ) / 60W + 60W ( 1kHz, T.H.D. 1.0%, 4Ω, 20kHz LPF )
  • Load Impedance: 4Ω-16Ω
  • Frequency Response: PHONO (MM): 20Hz - 20kHz ( RIAA DEVIATION ±1dB, 4Ω ) / LINE:20Hz - 40kHz ( -3dB, 4Ω ) / DIGITAL: 20Hz - 80kHz ( -3dB, 4Ω )
  • Input Sensitivity / Input Impedance: PHONO (MM): 2.0 mV / 47 kΩ / LINE: 200 mV / 23 kΩ
  • Analogue Input Terminal: LINE x 2 / PHONO (MM) x1
  • Digital Input Terminal: Optical digital x2 / Coaxial digital x1 / USB-A x1 / USB-B x1
  • Analogue Output Terminal: PRE OUT x1
  • Digital Output Terminal: HDMI ARC
  • Headphone Output: Yes, Stereo Φ6.3 mm (1/4")
  • USB-A: iPod/iPhone/iPad: No
  • USB-A: Support Codec: Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24, 32 bit)
  • USB-A: Support Codec FLAC: Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24 bit)
  • USB-A: Support Codec DSD: Yes (2.8 MHz, 5.6 MHz, 11.2 MHz)
  • USB-A: Support Codec AIFF: Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24, 32 bit)
  • USB-A: Support Codec ALAC: Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24 bit)
  • USB-A: Support Codec AAC: Yes (32, 44.1, 48, 88.2, 96 kHz/16-320kbps)
  • USB-A: Support Codec MP3: Yes (32, 44.1, 48 kHz / 16-320 kbps)
  • PC(USB-B): USB 2.0 High-speed / USB Audio Class 2.0, Asynchronous mode
  • PC(USB-B) Support Codec LPCM: Yes (32, 44.1, 48, 88.2, 96, 176.4, 192 352.8, 384 kHz / 16, 24, 32 bit)
  • PC(USB-B) DSD control mode: ASIO Native mode, DoP mode
  • MQA Decorder: Yes
  • LAN(DMR) WAV: Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24, 32 bit)
  • LAN(DMR) FLAC: Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24 bit)
  • LAN(DMR) DSD: Yes (2.8 MHz, 5.6 MHz, 11.2 MHz)
  • LAN(DMR) AIFF: Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24, 32 bit)
  • LAN(DMR) ALAC: Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24 bit)
  • LAN(DMR) AAC: Yes (32, 44.1, 48, 88.2, 96 kHz/16-320kbps)
  • LAN(DMR) MP3: Yes (32, 44.1, 48 kHz / 16-320 kbps)
  • Ethernet Interface: LAN (100BASE-TX/10BASE-T)
  • Wi-Fi: LAN (100BASE-TX/10BASE-T)
  • Chromecast built-in: Yes
  • AirPlay 2: Yes
  • Bluetooth® (Support codec): Yes (AAC, SBC)
  • Tuner: FM
  • Power Supply: AC 120 V ,60 Hz
  • Power Consumption: 63W
  • Accessories: AC Cord, FM Indoor Antena, Remote Control, Batteries for Remote Control, Owner's Manual
  • Dimensions (W x H x D): 16-15/16” x 3-55/64” x 14-31/64”
  • Weight: Approx. 14.6 lbs

What's in the Box

What’s in the Box

  • SU-GX70 Network Integrated Audio Amplifier
  • AC Cord
  • FM Indoor Antena
  • Remote Control
  • Owner's Manual

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