QUAD 303 User Manual
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- User manual ,
- Service supplement manual (29 pages) ,
- Manuallines (14 pages)
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Summary of Contents for QUAD 303
- Page 1 QUAD 303 User Manual Scan the QR code using a smart-phone device, for product warranty registration online.
- Page 2 Important Safety Information Do not install this equipment in a confined or built-in space such as a bookcase or similar CAUTION unit, and keep well-ventilated in an open space. The ventilation should not be impeded by covering the ventilation openings with items such as newspaper, tablecloths, curtains etc. RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING: Only use attachments/accessories specified or provided by the manufacturer...
- Page 3 Contents QUAD 303 Getting Started Control and Function Connection System Operation System Connection Warranty Specification...
- Page 4 Mains Supply • Stereo/Bridge mode selection Before you connect the QUAD 303 to the AC mains power, ensure your AC mains voltage corresponds to the rating on the rear panel of the product. If in doubt, consult your dealer. Inputs If you move to an area that has a different mains voltage, seek advice from an QUAD appointed dealer or a competent service technician.
- Page 5 Connections and Functions OUTPUT Speaker Outputs Made in China 12V Trigger XLR Inputs QUAD ELECTROACOUSTICS HUNTINGDON, UK AMPLIFIER MODEL: QUAD 303 POWER Power Switch Line Inputs LINE Line/XLR Switch Mains Input STEREO Stereo/Bridge Switch Standby BRIDGE standby...
- Page 6 LINE 12V Trigger Connection The QUAD 303 has one 12V Trigger input and one trigger link. Connect the trigger OUT of your QUAD 33 (or other appropriate device) to the trigger IN of the QUAD 303. You can also connect the 12V Trigger 'LINK' to a secondary device, such as a second QUAD 303, as...
- Page 7 To activate MONO mode, press the STEREO/BRIDGE selector button ‘in’. You will need two QUAD 303 amplifiers if using bridge mode (one for each channel). Connect the QUAD 33 to two QUAD 303 in the bridge mode connection as shown in the following section of this manual.
- Page 8 System Connection Stereo mode with QUAD 33 Press STEREO/BRIDGE on QUAD 303 rear panel to switch between the different modes. RIGHT LEFT LOUDSPEAKER LOUDSPEAKER POWER TRIG UPDATE QUAD ELECTROACOUSTICS HUNTINGDON, UK PRE AMPLIFIER MODEL: QUAD 33 Made in China AUX1...
- Page 9 System Connection Bridge mode with QUAD 33 Press STEREO/BRIDGE on QUAD 303 rear panel to switch between the different modes. LEFT RIGHT LOUDSPEAKER LOUDSPEAKER POWER TRIG UPDATE QUAD ELECTROACOUSTICS HUNTINGDON, UK PRE AMPLIFIER MODEL: QUAD 33 Made in China AUX1...
- Page 10 Warranty QUAD warrants its products, subject to the following terms and conditions below, to be application. Incorrect dates or mismatched purchase receipt dates that are outside of the free from defects in materials and workmanship. warranty terms will immediately invalidate any warranty claim.
- Page 11 Other than the warranty and services set out in this warranty, to the fullest extent permitted typhoon, storm, earthquake, hurricane, natural disaster, tsunami, flood, war, riot, public by law, QUAD shall not be liable to you and/or any third party or entity whatsoever for: disturbance.
- Page 12 Design Philosophy and Core Technology Class AB Power Amplifier frequencies within the rated power band of 20 Hz to 20 kHz without QUAD 303 Triples Output Stage exceeding 1.0% of total harmonic distortion plus noise (THD+N) at an Custom 200VA Toroidal Transformer...
- Page 16 IAG House, 13/14 Glebe Road, Huntingdon, Cambridgeshire, PE29 7DL, UK Tel: +44(0)1480 452561 Email: service@QUAD-hifi.co.uk http://www.QUAD-hifi.co.uk IAG reserves the right to alter the design and specifications without notice. All rights reserved © IAG Group Ltd. QUAD is a member of the International Audio Group.
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