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Technics

SU-GX70 Grand Class Network Audio Amplifier - Black

SKU: SUGX70K

$2,499.99

Free Shipping Available On Orders Over $150*


Processing/Shipping Time

All online orders are typically processed within 1-2 business days. Orders received after 1pm EST or on weekends will be processed on the next business day.

Our business hours are Monday to Friday from 10am to 5pm EST.

Due to our inventory management practices, we do not maintain a large stock of products; instead, most items are sourced from our suppliers upon order. We do focus on having a broad selection of brands and models for in store demo purposes. This may impact shipping times, as items are procured and prepared for shipment as soon as possible. If your item is not in stock, we will send you an email to update you on the status of your order. We appreciate your understanding and patience.

  • Standard Delivery for in stock items is between 2-3 business days within Ontario & Quebec, 3-5 business days for Eastern Canada and 4-7 business days for Western Canada. Northern or remote Canadian customers should contact us to confirm shipping availability and costs. During peak sales periods (for example Black Friday, Cyber Monday and Boxing Day/Week) up to an additional 5 (five) business days may be needed.
  • Items not in stock will be shipped to our Newmarket store and then shipped to you. Turnaround time may depend on the manufacturer/distributor. If a manufacturer or distributor has stock of the item, then we can normally expect to receive the product within 10 business days at which point we will immediately ship it to you.
  • If we become aware that delivery time to you will exceed 16 business days we will contact you to confirm the order or review options.

If your product is damaged, defective, or dead on arrival you are eligible for a refund or exchange within 15 days of the product being delivered to you.  

If you are not satisfied with your purchase and would like to request an exchange, please note the following:

  • All returns and exchanges will only be accepted on products with no damage due to misuse and have all original packaging, accessories, manuals and the original sales receipt.
  • Refunds paid by credit card/PayPal will be returned in the same method payment was received when possible. Wire Transfer payments will be refunded in the form of company check or E-Transfer. For exchanges with a difference in value, the balance will be charged or refunded in the same method as the original payment was received.
  • Liptons Audio Video reserves the right to assess whether the product is defective or not. Products with physical damage will not be accepted for refund or exchange.
  • Exchanges will be offered only on non-special order items with return shipping at the buyer's expense and must be shipped with insurance reflecting the transaction value and must ship via a trackable courier/delivery company. Exchanges will only apply to unopened products received in new condition
  • Products with non matching serial numbers to either the packaging or the recorded Serial number associated with the transaction are not eligible for refunds or exchanges
  • Products with modified or missing serial numbers/UPC codes or other identifying information are not eligible for refunds or exchanges
  • Products that are not returned with all original packaging, equipment, accessories, manuals and software will not be refunded or will be charged a restocking fee at the discretion of Liptons Audio Video.
  • Products must be new and show no signs of use. Any sign of use – Including installation, scratches or other signs of use such as physical marking, painted grills, screw holes, cut wires or similar would not be returnable
  • Equipment sustaining damage from operation or misuse will be deferred to the manufacturer's warranty and replacement policies. 
  • Replaced items will be exchanged for the same model
  • If a product you purchased from us proves to be defective within 15 days from purchase, we will replace it with an equivalent new unit at no charge. If the item is returned through shipping, the exchange will be processed once we receive the parcels & confirm that the product is not working. Exchange processing will take 10-20 business days from the day we receive the parcel.


Final Sale Items/Exclusions


  • Special order items including cut to length cabling and custom furniture
  • Headphones/earbuds/in-ear headphones for hygienic reasons
  • Turntable cartridges/styli
  • Projector lamps
  • Installed in-ceiling, in-wall speakers or subwoofers
  • No refunds or exchanges on products purchased for commercial use.
  • Clearance, consignment items.

Online Order Returns/Exchanges Process

Please contact us to begin our online return process at info@liptons.ca. Once we have received the details about your order, we will generate a Return Merchandise Authorization (RMA) number and send you the RMA form to be completed and sent back with the parcel.

Pack the item back in its original packaging with all parts, accessories and manuals. We recommend packing the item into an additional box meant for shipping. Return shipping costs are the responsibility of the customer. Any damages that incur during return shipping will also be the responsibility of the customer.

In the event the item was offered free shipping, the original shipping charges and handling fees, for the returned item(s), will be deducted from the refund. If the item is refused and returned to Liptons Audio Video without record of cause and evidence of damage any return freight costs will also be deducted from the refund.

In Store Returns & Exchanges

Returns on damaged, defective and DOA products, as well as exchanges can be made in store. Please note our store hours https://liptons.ca/pages/contact and be sure to bring your receipt or online order confirmation. 

Product Warranty

All new products carry full manufacturer warranty which varies for each product category and manufacturer. Refer to the manufacturer’s warranty information for exact details. 

Demo products come with either the full manufacturer warranty or the balance of manufacturer warranty unless otherwise specified.

Open Box products come with either the full manufacturer warranty or the balance of manufacturer warranty unless otherwise specified.

Used and Consignment pieces will have individually specified warranty.  If no warranty is listed, no warranty is available, but the unit has been tested in store and determined to be working properly unless otherwise specified.

Installation Warranty

All Liptons Audio Video installations come with a one-year warranty against workmanship performed by us. Defective equipment covered under manufacturer warranty is subject to a removal and reinstallation charge of one hour at our current installation rates. Installation warranty claims can be made within one year of installation date by phone at 905-898-7133 or email at info@liptons.ca

If you have any questions or concerns regarding product returns, exchanges and warranty claims, please call is at 905-898-7133 or email info@liptons.ca

The definitive living room audio center that enables seamless enjoyment of video, audio, and music through next-level integration using Technics’ full digital technologies.

Full Digital Amp, JENO Engine (Jitter Elimination and Noise-shaping Optimization)

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.
Further, a JENO Engine has been used in the HDMI ARC (Audio Return Channel), which has been installed in a Technics product for the first time. This helps to reduce any degradation in sound quality caused by jitter during the transmission of digital audio signals (S/PDIF), ensuring unparalleled levels of clarity in TV audio.

Ideal Impulse Response through LAPC (Load Adaptive Phase Calibration)

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.

We thus developed a speaker impedance adaptive optimization algorithm that performs correction to the ideal impulse response through digital signal processing by measuring the frequency amplitude-phase characteristics of the amplifier with the speakers connected. This technique enables flattening of the frequency characteristics of amplitude and phase, which had previously not been achieved by amplifiers, while also delivering a sound with rich spatial expression.

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.

The SU-GX70 uses a high-speed switching power supply of approximately 130 kHz. By increasing the switching frequency, noise interference on the music playback bandwidth is reduced. This enables highly responsive power supply for music signals and powerful speaker drive capability.

High-quality Audio through Low-impact HDMI Video Output

For the SU-GX70 to receive audio signals through the HDMI ARC (Audio Return Channel), due to the specifications, video signals must first be output from the SU-GX70. However, the output of these signals can cause unwanted noise.
As such, the video signals are output from the SU-GX70 at a lower rate, and the digital value of the colour of each pixel is set to zero. This ensures low-load operation between the HDMI transmitting/receiving devices, preventing any unwanted noise generation from the video signals. This also reduces any impact on sound quality. Further, transmitting the signals from the TV to the JENO Engine via the shortest possible route minimizes any further impact from jitter. This is a mechanism unique to Panasonic/Technics as HDMI licensors.

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. *Network and HDMI circuits can also be individually shut off.

Analogue Input Using Discrete Amp Circuits

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.
Further, other high-quality audio parts of the same grade as those used in the SU-R1000 have also been adopted, such as low-noise FETs, thin-film resistors, film capacitors, and electrolytic capacitors. In this way, the device has been fine-tuned to every detail.

Output Power

  • 40W+40W(1kHz,T.H.D.1.0%,8Ω,20kHz LPF)
    80W+80W(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

  • USB Audio Class Specification

  • USB 2.0 High-speed
  • USB Mass Storage class

  • iPod/iPhone/iPad

  • No
  • Support Codec

  • WAV

  • Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24, 32 bit)
  • FLAC

  • Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24 bit)
  • DSD

  • Yes (2.8 MHz, 5.6 MHz, 11.2 MHz)
  • AIFF

  • Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24, 32 bit)
  • ALAC

  • Yes(32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24 bit)
  • AAC

  • Yes (32, 44.1, 48, 88.2, 96 kHz/16-320kbps)
  • MP3

  • Yes (32, 44.1, 48 kHz / 16-320 kbps)

PC(USB-B)

  • USB Audio Class Specification

  • USB 2.0 High-speed
    USB Audio Class 2.0, Asynchronous mode
  • Support Codec

  • LPCM

  • Yes (32, 44.1, 48, 88.2, 96, 176.4, 192 352.8, 384 kHz / 16, 24, 32 bit)
  • 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)
  • FLAC: Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24 bit)
  • DSD: Yes (2.8 MHz, 5.6 MHz, 11.2 MHz)
  • AIFF: Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24, 32 bit)
  • ALAC: Yes (32, 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz / 16, 24 bit)
  • AAC: Yes (32, 44.1, 48, 88.2, 96 kHz/16-320kbps)
  • MP3: Yes (32, 44.1, 48 kHz / 16-320 kbps)

Ethernet Interface

  • LAN (100BASE-TX/10BASE-T)

Wi-Fi

  • IEEE 802.11a/b/g/n/ac/ax
  • 2.4 GHz band / 5 GHz band

Google Cast™

  • Yes

AirPlay 2

  • Yes

Bluetooth® (Support codec)

  • Yes (AAC, SBC)

Tuner

  • FM

Power Supply

  • AC 120 V ,60 Hz

Power Consumption

  • 63W

Dimensions (W x H x D)

  • 430 mm × 98 mm × 368 mm
    (16-15/16 x 3-55/64 x 14-31/64)inch

Weight

  • Approx. 6.6 kg
  • Approx. 14.6 lbs

Accessories

  • AC Cord, FM Indoor Antenna, Remote Control, Batteries for Remote Control, Owner's Manual

Panasonic Home Audio and Technics Warranty and Repair information - Canada

Compact Audio systems, Wireless Audio, Portable Audio, Clock Radios

  • Warranty exchange for 1 year, from the date of purchase. Carry or mail in service.
  • Accessories including rechargeable batteries, exchange 90 days.
  • TWS Bluetooth headphones, 1 year exchange from the date of purchase.
  • Wearable Gaming Speaker SC-GN01, 1 year exchange from the date of purchase.

Home Theater systems, Max Audio

  • Service repair warranty for 1 year parts and labour. Carry or mail in service.
  • Accessories including rechargeable batteries, exchange 90 days.

Technics Audio

  • Service repair warranty for 3 year parts and labour. Carry or mail in service.
  • Accessories including rechargeable batteries, exchange 90 days.
  • TWS Bluetooth earphones EAH-AZ40, EAH-AZ60, EAH-AZ70, EAH-AZ80, EAH-AZ100, EAH-AZ60M2 and EAH-AZ40M2 1 year exchange from the date of purchase.
  • Over-the-ear Noise Cancelling Wireless headphones EAH-A800, 1 year exchange from the date of purchase.


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