GSi75 vs REF 150
The REF 150's power @ 8ω is 150W against the GSi75's 75W, its signal-to-noise 93.6 dB against 85 dB, its thd 0.250% against 1.500%, and its input sensitivity 0.2V RMS against 0.6V RMS.
AI-generated product photo — not official manufacturer imagery.
AmplifiersIntegrated AmplifiersTube AmplifiersDACsPhono Pre-AmpsHeadphone Amplifiers
Estimated price (community-sourced)
$7,995
Around — community and catalog average, updates slowly
About the GSi75
The Audio Research GSi75 is a high-end integrated amplifier that combines multiple functionalities in a single unit. It features a tube-based design with 2× 6H30 drivers and 4× KT150 power tubes, delivering 75 watts per channel into 8Ω loads. The amplifier includes a high-quality DAC with upsampling options and a phonostage with adjustable input impedance. It also supports single-ended inputs and offers a headphone amplifier. The GSi75 is praised for its spacious sound and versatility, making it a 'Swiss Army Knife' of audio products.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 75W @ 8Ω
- Minimum Impedance
- 4Ω
- Input Sensitivity
- 0.6V RMS
Analog Output
Analog signal output specifications
- THD
- 1.500%
- SNR
- 85 dB
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Digital Inputs
- coaxial, optical, USB
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 483 × 263 × 518 mm (W × H × D)
- Weight
- 25 kg (55 lbs)
Key Specifications
Power: 75W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions