Technics SU-GX70
Reviews of this amplifier have been ridiculously positive. A winner.
It falls firmly into the category of “just add speakers” all-in-one systems, although given the fact that it also rocks an HDMI ARC port, you could also add a TV and some speakers and have a complete A/V system
Technically, here is the background. (for a less technical review, see video below)
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.
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.
Further, by using the shortest possible connection between the power supply and the power amplifier, the SU-GX70 ensures low noise and low impedance. Elsewhere, the connections between the speakers and power amplifier use non-magnetic brass screws.
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
Reviews
video review - please allow 10 secs to load
Specifications
- Is a Streamer: ✅ Yes - Tidal, Spotify, Chromecast, Tunein Radio, Amazon, Qobuz
- DAC: ✅ Yes
- Clock: ✅ Yes
- Bit Rate Capability: 32/384 kHz
- Digital inout: ✅ Yes Opt (2) Coax (2) USB2 B (1) USB A (1)
- USB input for iphone ❌ No
- HDMI ARC Input: ✅ Yes
- Bluetooth, Airplay 2, Google Chromecast ✅ Yes
- FM tuner ✅ Yes
- USB Input for Attached Storage: ✅ Yes
- RCA line Input x 2 ✅ Yes
- Phono input MM ✅ Yes
- Headphone Amp: ✅ Yes 6.3mm 1/4"
- Variable Audio Out: ✅ Yes
- Subwoofer Out: ✅ Yes
- WiFi and LAN ✅ Yes
- Remote Control ✅ Yes
- Space Tune Auto Calibration for Optimal Adjustment of Sound Quality ✅ Yes
- Power - 40W+40W(1kHz,T.H.D.1.0%,8Ω,20kHz LPF) / 80W+80W(1kHz,T.H.D.1.0%,4Ω,20kHz LPF)
- Dimensions WDH (16-15/16 x 3-55/64 x 14-31/64)inch
- Warranty: Three years, parts and labor
Audiofi is your Technics SU-GX70 dealer, we ship free in Canada
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