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Accustic Arts AMP I MK 2 Manual
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To our valued customer and music enthusiast,
With the purchase of your stereo power amplifier AMP I – MK 2 from ACCUSTIC ARTS
opted for a product which incorporates the most modern technology to achieve excellent sound and
quality. To make sure that you have pleasure for as long as possible with your amplifier we kindly ask
you to thoroughly read this instruction manual through to the end.
We wish you many enjoyable hours of listening to music with your new unit.
SCHUNK AUDIO ENGINEERING – The home of ACCUSTIC ARTS
1 AMP I – MK 2 highlights
Stereo power amplifier with high output performance, also suitable for less efficient, impedance
critical and low ohm loudspeaker systems up to 2 
8 selected MOS-FET output transistors of highest quality
Magnetically shielded and encapsulated 600 VA toroidal core transformer for high output
reserves; separate windings for right and left channel
Very good smoothing thanks to more than 80.000 µF power supply capacity; Premium quality
capacitors ("Made in Germany")
Very high damping factor for perfect speaker control
Integrated protective circuit switches ascents off when clipping, HF oscillations or too high DC
offset occurs
Constant low operating temperature due to generously dimensioned heat sink integrated in
housing
Balanced input (XLR) and unbalanced input (RCA) – the inputs are switchable
®
ACCUSTIC ARTS
AMP I – MK 2 is "Handmade in Germany"
®
2
®
you have

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Summary of Contents for Accustic Arts AMP I MK 2

  • Page 1 To our valued customer and music enthusiast, ® With the purchase of your stereo power amplifier AMP I – MK 2 from ACCUSTIC ARTS you have opted for a product which incorporates the most modern technology to achieve excellent sound and quality.
  • Page 2 WARNING: CAUTION: TO REDUCE THE RISK OF FIRE OR RISK OF ELECTRIC SHOCK ELECTRIC SHOCK DO NOT EXPOSE DO NOT OPEN THIS PRODUCT TO RAIN OR MOISTURE The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
  • Page 3  Ensure that the appliance has sufficient air around it and avoid extreme temperature influences on the unit, especially direct sunshine and high humidity.  Always disconnect the appliance from the mains power before carrying out any changes to the cables or when cleaning the appliance.
  • Page 4: Danger Of Fire

    3 Unpacking The weight of this appliance is approx. 20 kg / 44 lbs. Great care must be exercised when unpacking the unit. Carefully store the transportation packaging for the possibility of further use. If you have a claim on the warranty, always use the original packaging for any necessary transportation.
  • Page 5: Input Selection

    5 Installation Fig. 1: Rear panel Mains inlet connector socket FUSE: Fuse holder for protection of unit POWER: Mains power switch SPEAKER RIGHT: Right pair of loudspeaker output sockets SPEAKER LEFT: Left pair of loudspeaker output sockets Earth connection e.g. for shielded speaker cable BALANCED: XLR input socket for preamplifier output signal UNBALANCED: RCA input socket for preamplifier output signal INPUT SELECTION: Input selection for audio inputs...
  • Page 6 These pin assignments comply with the standard adopted by the Audio Engineering Society. Refer to the operating manual of your balanced-output preamplifier to verify that the pin assignments of the ® output connectors correspond to your ACCUSTIC ARTS power amplifier. IMPORTANT!
  • Page 7 5.4 Connection to mains power Only connect the power amplifier to the mains power when all the other cable connections have already been carried out. Plug in the mains cable firstly in the inlet connector socket 1 of the power amplifier and only then the earthing pin-plugs in the mains socket.
  • Page 8 7 Looking after your amplifier ® This high quality product from ACCUSTIC ARTS does not require special treatment in excess of the usual care taken with high quality devices. Clean the housing with a dry or slightly moistened cloth.
  • Page 9: Troubleshooting

    8 Troubleshooting Malfunctions are mostly caused by something simple which can be put right quickly. In the next section some possible malfunctions are described together with their corrective action. However, if it is not possible to remove the malfunction please contact your authorized dealer. Malfunction The unit was switched on, all the LEDs remain dark.
  • Page 10 9 Specifications Voltage gain: 31.0 dB Power consumption without load: 65 watts Input voltage for output power of 100 watts on 4 : 557 mV Transformer output: 600 VA Power supply capacity: more than 80,000 µF Input impedance: RCA: 28 k XLR: Pin 1 to Pin 2: 20 k...