QUAD 33

Preamplifier

Very few Hi-Fi components are as instantly recognisable as the QUAD 33 and 303, and for that we make no apologies!

Still one of the most popular models in the history of one of the world’s most poignant Hi-Fi brands, the QUAD 33 and 303 are benchmarks in almost every angle of desirable audio equipment – performance, reliability, industrial design, value and musical romance.

• General Description: Pre Amplifier
• Design Philosophy and Core Technology: Illuminated LCD screen, Dedicated High Performance Low Noise MM/MC Phono stage, Classic QUAD 'Tilt' adjustment, Classic QUAD / Tone Controls, Dedicated Current-Feedback Headphone Amplifier
• Inputs: 3x RCA, 1x Balanced XLR (pair), 1x Phono (MM/MC switchable)
• Outputs: 1x RCA (AUX), 1x XLR, 1x RCA (Pre Out), 1x Headphone, 2x 12 V Trigger Out

Pre Amplifier Section:

• Gain: 0 dB (Line / XLR); +46 dB (Phono MM); +63.5 dB (Phono MC)
• Input Sensitivity (Vout = 695 mV): 695 mV (Line / XLR); 3.2 mV (Phono MM); 460 uV (Phono MC)
• Input Impedance: 10k (Line / XLR); 47k / 100 pF (Phono MM); 100R / 1.7 nF (Phono MC)
• Total Harmonic Distortion (THD): < 0.0005% (1 kHz, Line/XLR); < 0.002% (1 kHz, Phono MM / MC)
• Frequency Response: 20 Hz - 20 kHz (±0.2 dB)
• Signal-to-Noise ratio (S/N): > 108 dB (A-weighted, Line/XLR); > 82 dB (A-weighted, Phono MM); > 74 dB (A-weighted, Phono MC)
• Output Impedance: 120 Ω

Headphone Amplifier:

• Total Harmonic Distortion (THD): < 0.01% (1 kHz, 50 mW)
• Output Impedance: 2.35 Ω
• Load Impedance: 20 - 600 Ω

General:

• Standby Power Consumption: < 0.5 W
• Finish: Classic QUAD Grey
• Power requirements (depending on region): 220-240 V - 50/60 Hz; 100-120 V - 50/60 Hz
• Standard accessories: Power Cord, Remote Control, User Manual