Quad 303 Power Amplifier (Amplabs Improved)

Why Buy New is pleased to offer for sale this used Quad 303 Power Amplifier (Amplabs Improved).

The outer packaging shows damage (slight damage). The unit has been professionally repackaged to ensure safe delivery with power cable included.

tested and in full working order. It is sold with a 3 month warranty.

The general cosmetic condition is good condition with some slight damage to the heat sync fins (slightly bent), and a chip to one top corner as shown in images. There are also some minor marks around the unit.

FREE national courier delivery.

***Important Delivery Information***

This item will be sent using DHL's secure PIN delivery service.

A current mobile phone number must be provided when placing your order, as DHL will send a delivery PIN directly to this number. This PIN must be given to the courier at the time of delivery.

Without the PIN, the courier will not be able to hand over the parcel.

RCA inputs, a power switch and quality binding posts.

Why Buy... from us? Because all of our items go through a full inspection, get serviced (if required), PAT tested for electrical safety, deep cleaned and all come with a warranty. We are 100% committed to customer care and are always on hand pre or post-delivery for technical help and advice.

This Quad 303 power amplifier, has been upgraded by Amplabs. It delivers a robust 45 watts per channel into an 8-ohm load, making it suitable for a variety of hi-fi systems. The amplifier is known for its distinctive "triplet" output circuit design.

The unit offers excellent audio fidelity, with a wide frequency response and very low total harmonic distortion across key frequencies. Its signal-to-noise ratio is also impressive, ensuring a clean and detailed sound output. The input sensitivity is set at 0.5V RMS for full output.

Designed for flexibility, the Quad 303 can handle speaker loads ranging from 4 to 250 ohms. It operates on selectable voltage inputs (100–125V or 200–250V) and has a power consumption of 40–200W.

- 45W per channel into 8 ohms
- Amplabs enhanced performance
- Classic 1971 Quad 303 design
- Low distortion and high signal-to-noise ratio
- Selectable mains voltage input