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APR

JBL SA550 Integrated 150w Stereo Amplifier with Bluetooth and MM Phono input

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JBL SA550 integrated amplifier is part of JBL’s Classic range of hi-fi separates that feature upto date electronics within a retro design, featuring aluminium with real Walnut side cheeks and a decent 150W output per channel, which should be enough to power most speakers.

The SA550 features a Class G design which is more efficient than many conventional Class AB amplifiers. An old-style JBL logo adorns the brushed aluminium front panel. There is good connectivity with four analogue and three digital inputs. Finally, there is a built-in MM phono preamp. You can connect mobile devices via the hi-res Bluetooth receiver.

High Power Class G

The SA550 has a class G output. Class G works by having two power supply rails. One is used most of the time, when at normal volume levels, however at high volumes a more beefy supply kicks in. This rail is usually in “sleep” mode, to reduce power consumption. The design provides ultra-low distortion along with 90W of power into 8 ohms.

Good connectivity

There are plenty of inputs on the SA550. Four Analogue RCA inputs are available. The unit has a built in MM phono stage.

Digital inputs include 1x optical and 2x coaxial. The built in DAC can play files with up to 24-bit/192kHz sampling rates. There is also hi-res Bluetooth support, with the latest aptX Adaptive Bluetooth codec.

Dimensions (H x W x D) 597 x 347 x 405 mm

Weight 7.4 kg (16 lb 5 oz)

General Specifications:

Continous power output both channels driven (0.5% THD):

• 90W into 8Ω x2

• 150W into 4Ω x2

• Harmonic distortion, 80% power, 8? at 1kHz: 0.002%

Phono moving magnet input:

• Input sensitivity at 1kHz: 5mV

• Input impedance: 47k? + 100pF

• Frequency response (ref. RIAA curve): 20Hz - 20kHz ±1dB

• Signal/Noise ratio (A-wtd) 50W, ref. 5mV input: 80dB