Quad - 405 2 stereo power amplifier Hi-Fidelity ICON Solid state power amplifier
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Description from the seller
For Sale: Quad 405-2 Power Amplifier – The Definitive British Powerhouse
Step into true high-fidelity performance with the legendary Quad 405-2, the refined second generation of Quad’s award-winning current-dumping power amplifier. Originally introduced in 1982 and produced through the late 1980s, the 405-2 remains one of the most respected solid-state amps ever engineered – prized for its musicality, reliability, and effortless control.
This unit offers the hallmark Quad sound: clean, smooth, and dynamically authoritative, capable of driving a wide range of loudspeakers with grace.
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Key Specifications
Power Output: 100W per channel into 8Ω
(150W per channel into 4Ω)
Technology: Quad’s patented current-dumping design
– combining Class-A precision with the efficiency of Class-B power.
Total Harmonic Distortion: < 0.01%
Frequency Response: 10Hz – 20kHz ±0.2dB
(up to 50kHz at –1dB)
Signal-to-Noise Ratio: > 95dB
Input Sensitivity: 0.5V for rated output
Damping Factor: 150 at 50Hz
Dimensions: 5.75 × 12.6 × 9.5 inches (146 × 321 × 241 mm)
Weight: Approx. 9.3 kg
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Why This Amp Stands Out
Iconic British engineering with a design still admired today.
Smooth, fatigue-free sound ideal for both vintage and modern systems.
Power and control to handle demanding speakers effortlessly.
A true classic – highly collectable yet extremely practical for daily listening.
This Quad 405-2 is a brilliant blend of history and high-performance audio. Whether you’re building a vintage system or want a timeless, high-quality power amplifier, this is the piece that delivers.
Please note the following
The extra item is the speaker cable
Please see the detailed photographs provided for they form part of the description and sale.
There are no garantees on vintage electronics.
We pack with our custom double box and bubble wrap system and we pack for the safety of the item not for economy
expect new
We would also like to take this moment to wish you our clients and your families a very merry Christmas and a God filled new year in 2026
For Sale: Quad 405-2 Power Amplifier – The Definitive British Powerhouse
Step into true high-fidelity performance with the legendary Quad 405-2, the refined second generation of Quad’s award-winning current-dumping power amplifier. Originally introduced in 1982 and produced through the late 1980s, the 405-2 remains one of the most respected solid-state amps ever engineered – prized for its musicality, reliability, and effortless control.
This unit offers the hallmark Quad sound: clean, smooth, and dynamically authoritative, capable of driving a wide range of loudspeakers with grace.
---
Key Specifications
Power Output: 100W per channel into 8Ω
(150W per channel into 4Ω)
Technology: Quad’s patented current-dumping design
– combining Class-A precision with the efficiency of Class-B power.
Total Harmonic Distortion: < 0.01%
Frequency Response: 10Hz – 20kHz ±0.2dB
(up to 50kHz at –1dB)
Signal-to-Noise Ratio: > 95dB
Input Sensitivity: 0.5V for rated output
Damping Factor: 150 at 50Hz
Dimensions: 5.75 × 12.6 × 9.5 inches (146 × 321 × 241 mm)
Weight: Approx. 9.3 kg
---
Why This Amp Stands Out
Iconic British engineering with a design still admired today.
Smooth, fatigue-free sound ideal for both vintage and modern systems.
Power and control to handle demanding speakers effortlessly.
A true classic – highly collectable yet extremely practical for daily listening.
This Quad 405-2 is a brilliant blend of history and high-performance audio. Whether you’re building a vintage system or want a timeless, high-quality power amplifier, this is the piece that delivers.
Please note the following
The extra item is the speaker cable
Please see the detailed photographs provided for they form part of the description and sale.
There are no garantees on vintage electronics.
We pack with our custom double box and bubble wrap system and we pack for the safety of the item not for economy
expect new
We would also like to take this moment to wish you our clients and your families a very merry Christmas and a God filled new year in 2026
Details
Era
1900-2000
Brand
Quad
Model
405 2 stereo power amplifier Hi-Fidelity ICON
Multiple models
No
Physical condition
Excellent
Number of objects
1
Includes
Power cord
Year of manufacturing
1983
Weight
10 t
Functional condition
Tested and working/playable
Sold by
