Quad · Power Amplifiers
QUAD 303
A stereo power amp built as the matching partner for QUAD 33 systems.
fig. 01 · power amplifiers
QUAD 303
From Quad
QUAD 303 is the power amp partner to the QUAD 33, with rated output power and speaker drive in the compact 303 chassis. It suits systems built around the revived 33 / 303 pairing.
Specifications
| Model | QUAD 303 |
|---|---|
| General description | Power Amplifier |
| Design Philosophy and Core Technology | Class AB Power AmplifierQUAD 303 Triples Output StageCustom 200VA Toroidal TransformerStereo/Bridge mode selection |
| Inputs | 1 x Line, 1 x XLR |
| Outputs | 1 x 12V Trigger1 x Stereo Speaker, 1 x 12V Trigger (Link) |
| 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 | 15k ohms (Line)22k ohms (XLR) |
| Input Sensitivity | 700mVrms (Line)1.5Vrms (XLR) |
| Signal-to-noise ratio (S/N) | > 108dB (A - weighted) |
| Max output current | 10A |
| Standby power consumption | <0.5W |
| Net weight | 8.4kg |
| Gross weight | 9.5kg |
| Dimensions (W x H x D) | 120 x 176 x 325 |
| Carton Size (mm) (W x H x D) | 226 x 312 x 462 |
| Finish | Classic QUAD Grey |
| Power requirements | 220 - 240V - 50 / 60Hz100 - 120V - 50 / 60Hz |
| Standard accessories | Power Cord, Remote Control, User Manual |
| Product type | stereo power amplifier |
| Series | 33 / 303 |