Quad 303 Power Amplifier Vintage Early Serial Number UK Good Working Order

Quad 303 power amplifier. Good working order, early serial number. Great paintwork considering its age. Very clean with only minor marks as you can see from the photos.

The Quad 303 is a solid-state stereo power amplifier made by the Acoustical Manufacturing Company in Huntingdon, England, designed to partner with the Quad 33 preamplifier.

Key specifications

• Amplifier Topology: Class AB, solid-state
• Loudspeaker Impedance Range: 4–16 ohms
• Speaker Output: 4 mm sockets, one red/black pair per channel

Specifications

• Audio Inputs: DIN
• Audio Outputs: Banana Speaker Jacks
• Colour: Silver
• Country of Origin: England
• Year Manufactured: 1960s
• Connectivity: 5-pin DIN input
• Mains Voltage: 240V
• Amplifier Topology: Class AB, solid-state
• Input Types: 1× DIN socket
• Speaker Output: 4 mm sockets, one red/black pair per channel
• Loudspeaker Impedance Range: 4–16 ohms