Description
The QUAD 303 remains a celebrated amplifier due to its unique output circuit. Thanks to QUAD's expert engineering and service teams, this modern iteration preserves the legacy of a hi-fi legend while delivering a thoroughly updated experience for audiophiles.
Specifications
Model: QUAD 303
General Description: Power Amplifier
Design Philosophy and Core Technology: Class AB Power Amplifier
QUAD 303 Triples Output Stage
Custom 200VA Toroidal Transformer
Stereo/Bridge mode selection
Inputs: 1 x Line, 1 x XLR
Outputs: 1 x 12V Trigger
1 x Stereo Speaker, 1 x 12V Trigger (Link)
Power Amplifier Section
Gain: +29dB
Rated Power Output: Stereo: 2 x 50W (8 ohms, THD<1%)
Stereo: 2 x 70W (4 ohms, THD<1%)
Bridged: 140W (8 ohms, THD<1%)
Bridged: 170W (4 ohms, THD<1%)
Frequency Response: 20Hz - 20kHz (+/-0.3dB)
Total Harmonic Distortion: (THD) <0.002% (1kHz)
Input Impedance: 10k ohms
Input Sensitivity: 700mVrms (Line)
1.5Vrms (XLR)
Signal-to-Noise Ratio: (S/N) > 108dB (A - weighted)
Max. Output Current: 10A
General
Standby Power Consumption: <0.5W
Net Weight: 8.4kg
Gross Weight: 9.5kg
Dimensions: (mm) (W x H x D) 325 X 176 X 120
Carton Size: (mm) (W x H x D) 462 X 312 X 226
Finish: Classic QUAD Grey
Power Requirements: (depending on region) 220 - 240V - 50 / 60Hz
