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General| Power Output | 100W per channel into 8Ω |
|---|---|
| Frequency Response | 20Hz to 20kHz (+0dB, -0.5dB) |
| Total Harmonic Distortion | 0.01% |
| Input Sensitivity | 0.5V RMS |
| Damping Factor | 50 |
| Dimensions | 115mm x 340mm x 195mm (H x W x D) |
| Signal to Noise Ratio | 95 dB |
| Input Impedance | 20k Ohms |
| Type | Solid State Amplifier |
Information on amplifier packaging, including contents and recommended retention.
Instructions for returning the amplifier for servicing and required documentation.
Details of the amplifier's warranty against defects and exclusions.
Overview of the Quad 405 amplifier, its technology, and benefits.
Performance metrics for power output and total harmonic distortion at various frequencies.
Specifications for the amplifier's output impedance and DC offset.
Details on the low and high frequency response of the amplifier.
Input signal voltage needed for rated output and input impedance.
Maximum rate of change for input signals to avoid distortion.
Information on voltage selection and connection to the mains supply.
Guidelines for properly earthing the amplifier for safety.
Details on mains and internal fuses, their ratings, and replacement.
How to connect signal sources to the amplifier.
Instructions for connecting loudspeakers, including phasing.
Guidance on matching amplifier output to loudspeaker handling capacity.
Procedure to install voltage limiters for electrostatic loudspeakers.
Guidance on connecting headphones to the amplifier.
How to adjust input sensitivity for different signal sources.
Methods for connecting and switching multiple loudspeaker pairs.
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