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Harmon-owned JBL has its 75th anniversary this year, and is celebrating by dipping into its past to build a new retro-cool integrated amplifier that's based on models from the 1960s and 70s.
The JBL SA750 pays tribute to the SA600 and SA660 hi-fi amps of yesteryear and comes with a vintage-looking aluminum face panel that's home to chunky retro switches and dials, as well as a headphone jack and two-line display panel.
The unit is built around a high-output Class G amplification design, which Harman says offers similar sound quality and performance to a Class A amplifier, with a switching power rail setup offering "high-current capability for extreme power demands." All in, the SA750 delivers 120-W output per channel into eight ohms, or 220-W into four ohms.
It includes its own MM/MC phono stage, so listeners won't have to go out and buy a dedicated pre-amp, and bringing the vintage into the modern world, the design features Wi-Fi with UPnP support and sports streaming technology that supports Chromecast and Apple AirPlay 2.
There's a high-resolution DAC (digital-to-analog converter) inside too, a USB port for plugging in thumb drives, support for MQA decoding (which is designed to offer studio-quality audio while keeping streaming bandwidth relatively low), is compatible with the Roon multi-device music platform, and comes with Dirac Live room calibration technology built in.
Frequency Response 20Hz – 20kHz ± 1dB
Nominal Sensitivity 1V
Input Impedance 10kΩ
Power output both channels driven 120W into 8Ω, 220W into 4Ω
Maximum Input 6Vrms
Total harmonic distortion + noise 0.002%
Signal/Noise ratio (A-wtd) 50W, ref. 1V input 120dB
Mains Voltage 110-120V or 220-240V, 50-60Hz
Maximum Power Consumption 800W
Product Dimensions (WxHxD, including feet, control knob, and speaker terminals) 449 x 114 x 327mm
Product Weight 12kg
Shipping Weight 14kg
Warranty 5 Years
Physical connections include an Ethernet port, two optical and two coaxial digital inputs, six pairs of analog RCA inputs, and two pairs of speakers can be cabled up to the system's binding posts.
