RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
For sale: a classic Quad 33, FM3, and 303 hi-fi set, consisting of the Quad 33 pre-amplifier, Quad FM3 stereo FM tuner, and Quad 303 power amplifier.
Together, these components form one of Quad’s most recognisable vintage audio systems. The set combines flexible source control, FM radio reception, and separate stereo power amplification in Quad’s distinctive compact design.
The necessary connection and power cables are included.
''Due to the weight being 20/30KG or above, please ask us for a shipping quote before buying to get the best rates and options, currently shown shipping is estimated''
Cosmetic condition:
The set is in very clean used condition.
Only one painted marking is faded
Very few visible signs of age or previous use
Front panels, controls, and housings remain exceptionally clean
No notable dents or heavy cosmetic damage
Please review the photos for the exact condition
🔊 Functional status
✔ Fully working✔ All three components tested✔ Pre-amplifier controls and inputs checked✔ Tuner reception and controls tested✔ Power amplifier output tested✔ Ready for use
Specs:
Quad 33 Control Unit / Preamplifier
Type: Solid-state stereo control preamplifier
Inputs: Radio, tape replay and interchangeable phono/disc input
Phono compatibility: Configurable for low-output magnetic, high-output magnetic or ceramic cartridges
Input sensitivity:
Magnetic phono: 2 mV
Ceramic/phono: 100 mV
Line/radio: 100 mV
Frequency response: 30 Hz – 20 kHz
Total harmonic distortion: 0.02%
Signal-to-noise ratio:
Line input: 85 dB
Magnetic phono: 70 dB
Pre-out level: 0.5 V
Line output level: 100 mV
Controls: Volume, balance, bass, treble, filter and input selection
Operating modes: Stereo, mono, left channel and right channel
Connections: Original DIN-type sockets
Power consumption: Approximately 1.5 W
Power requirements: 100–130 V or 200–260 V, 50/60 Hz
Dimensions: 260 × 92 × 165 mm
Weight: Approximately 3 kg
Quad FM3 Stereo FM Tuner
Type: Solid-state stereo FM tuner
Frequency range: 88–108 MHz
Sensitivity: 30 dB signal-to-noise ratio at approximately 1 µV
Full limiting: Less than 2 µV
Antenna inputs:
75-ohm coaxial
300-ohm balanced
Image rejection: 56 dB
IF rejection: 80 dB
400 kHz selectivity: 46 dB
Capture ratio: 3 dB
Frequency response: 20 Hz – 15 kHz, ±1 dB
Stereo channel separation: 40 dB at 1 kHz
Distortion: Typically 0.3% at 1 kHz
Audio output: 100 mV per channel at 30% modulation
Output impedance: 5 kΩ
Recommended load impedance: Greater than 50 kΩ
De-emphasis: 50 or 75 µs, depending on market
Power consumption: Approximately 6 VA
Power requirements: 100–125 V or 200–250 V, 50/60 Hz
Dimensions: 260 × 92 × 165 mm
Weight: Approximately 2.7 kg
Quad 303 Stereo Power Amplifier
Type: Solid-state stereo power amplifier
Circuit design: Quad “Triples” output-stage design
Power output:
2 × 45 watts into 8 ohms
2 × 28 watts into 16 ohms
Recommended speaker impedance: 4–16 ohms
Frequency response:
30 Hz – 35 kHz at 8 ohms, –1 dB
20 Hz – 35 kHz at 16 ohms, –1 dB
Total harmonic distortion: Approximately 0.1% or lower
Input sensitivity: 0.5 V for full rated output
Input impedance: Approximately 22 kΩ
Signal-to-noise ratio: Approximately 100 dB
Output source impedance: Approximately 0.3 ohms
Channels: Two independently operating channels
Connections: Original DIN input and vintage Quad speaker-output connectors
Power requirements: 100–130 V or 200–260 V, 50/60 Hz
Dimensions: 120 × 159 × 324 mm
Additional rear clearance: Approximately 38 mm for connectors
Weight: Approximately 8.2 kg
Weight: 16 KgVolts: 110-240v (If it’s 200V or higher, you’ll need an adapter in the USA)
We ship worldwide.For international shipping, import fee's apply. These vary per countrie, and are for the buyer to pay.-Shipping in the EU up to 30 KG (max)-Shipping outside of the EU up to 20 KG (max) Shown costs might vary. Please ask us for a shipping quote for the best rates!-We kindly ask you to reach out for the best shiping rates. As rates vary per shipper, we can ask custom shipping quotes.
Please note: ‘’Whenever an item exceeds the weight noted above. Please ask for a shipping quote before making a purchase. The shipping costs are estimated in our shop because we do not know the shipping address.
Picking up the item is also possible. It can be picked up in Alkmaar
Delivery by us is also possible in some cases. Please reach out to us for more information about deliveries
State of listing: If a listing is listed ''for parts or not working'' returns are not accepted.
When we offer our products with the notice ''Serviced'' or ''Fully serviced'' that means the device is either ''serviced'' with a new belt, and cleaned the pots, Or ''Fully serviced'' recapped, Quiescent current adjusted etc as expected from a full service
