Arcam A28 Leaflet

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 (E&OE March 2008) 
 
 
 
 
 
                 
Key Features of the A28 Integrated Amplifier 
 
 
Pre-amplifier features 
 
•  All electronic input switching for clean signal path and long term reliability 
•  Studio grade volume control stage with +/- 0.05dB channel matching 
•  Six line level inputs plus high quality MM phono input 
•  Pre-amplifier outputs for bi-amping with Arcam power amplifiers (e.g. P38) 
•  Separate line level output for second rooms etc. 
•  Microprocessor control of input volume, balance etc. 
•  Extra user features such as max turn-on volume, input trims, processor mode etc. 
 
 
Power amplifier features 
 
•  75wpc continuous power output (8ohms, both channels driven) 
•  130wpc continuous power output (4ohms, 1kHz, one channel driven) 
•  Fully discrete transistor power amp stages with temperature compensation 
•  Current feedback design ensuring wide bandwidth for high resolution audio  
•  Two pairs of individually selectable gold plated speaker outputs 
•  All DC coupled signal path for enhanced bass control 
 
Power supply features 
 
•  Oversize toroid mains transformer 
•  User switchable between 115v and 230v mains supplies 
•  Dual rectified power amp supplies for reduced ground noise 
•  Separate smoothing per channel to reduce crosstalk 
•  Independently rectified and regulated pre-amp power supply 
 
 
General Features 
 
•  Supplied with CR90 system remote control 
•  All gold plated input / output connectors 
•  Large, clear 9 character VFD display 
•  Size – 430mm (17”) wide, 275mm (10.8”) deep, 85mm (3.3”) high 
•  Weight 8.5kg (18.7lbs) nett, 10.4kg (22.9lbs) packed 
 
f
 A28 Integrated Amplifier 
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