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CLASSIC AMP
Instruction manual
All rights reserved – © 2020 rev1
P/N: 2055028151

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Summary of Contents for Nagra CLASSIC AMP

  • Page 1 CLASSIC AMP Instruction manual All rights reserved – © 2020 rev1 P/N: 2055028151...
  • Page 2: Table Of Contents

    Table of contents Important safety warnings Warranty Congratulations Package contents Installation Positioning the CLASSIC AMP Presentation of your CLASSIC AMP Input panel Ground connector Output section Operating the CLASSIC AMP Switching ON Security Troubleshooting Technical specifications Nagra – CLASSIC AMP...
  • Page 3: Important Safety Warnings

    Important safety warnings Before operating the CLASSIC AMP, read this manual carefully Should you have any questions on how to setup or use your CLASSIC AMP, please contact your Nagra dealer. Do not attempt to open the amplifier under any circumstances. Refer any service / repair work to Nagra qualified personnel.
  • Page 4: Congratulations

    Congratulations Congratulations, you have just purchased one of the best amplifiers ever made! The CLASSIC AMP was created by an engineering team with more than 60 years of experience designing world-class products for the professional audio, national security and military businesses.
  • Page 5: Installation

    Installation Positioning the CLASSIC AMP If you have a thick carpet, it is mandatory to place the CLASSIC AMP on a stand to allow an optimal thermal dissipation. We recommend you to ask your Nagra dealer for a demonstration of the VFS L anti-vibration platform that offers a perfect match for your CLASSIC AMP.
  • Page 6 4 – Remote section 5 – Ground connector Fuse type Replacement fuses are provided with your CLASSIC AMP. Make sure to use: FST 5x20mm 250V / T 10A L for 100 – 120V Mains. FST 5x20mm 250V / T 5A L for 220 – 250V Mains.
  • Page 7: Input Panel

    Remote connection The CLASSIC AMP can be set ON of OFF with an external signal from a Nagra MPS. Use the IN to connect the MPS’ AMP output. Use the CLASSIC AMP’s output to trigger a second CLASSIC AMP (in bridged mode).
  • Page 8: Output Section

    Output section The CLASSIC AMP can operate in three different modes. NORM normal mode or stereo, this is the standard mode Connect the speakers on the LEFT and RIGHT Cardas connectors. If you use banana plugs, use the white connectors.
  • Page 9 In this mode, both channels are used in parallel to double the output current, thus doubling the power. The CLASSIC AMP will deliver 200 W rms into 8Ω on one channel. Doubling the current allows a better drive of your speakers. You do need to connect one CLASSIC AMP to each speaker.
  • Page 10: Operating The Classic Amp

    Switch Selector The CLASSIC AMP is shut down This is the Standby position in which the CLASSIC AMP will use less than 1 W Automatic On/Off the CLASSIC AMP will detect signal on the input and turn ON automatically, it uses less than 1...
  • Page 11: Security

    A DC (direct current) component generated from the amplifier could damage your loudspeakers. If a DC component of more than +/- 2.5 V appears on the output of the CLASSIC AMP, the front LED will blink in red and the amplifier will go into Protection Mode.
  • Page 12: Troubleshooting

    From full blown to a complete extinction it provides 7 levels of intensity. This setting is automatically memorized by the CLASSIC AMP when you turn the amplifier OFF. Troubleshooting The following table will help you to solve any problems of set-up and operation.
  • Page 13: Technical Specifications

    Less than 1W in Standby and Auto Weight 15 Kg (33 lbs) Net weight Size 27.7 x 39.5 x 17.4 cm 11 x 15.5 x 7 inches 90-110 or 110 - 132V Operating range 50 - 60 Hz or 180-264V Nagra – CLASSIC AMP...
  • Page 14 DECLARATION DE CONFORMITE DECLARATION OF CONFORMITY FABRICANT: Audio Technology Switzerland 1032 Romanel, SUISSE MANUFACTURER: Audio Technology Switzerland 1032 Romanel, SWITZERLAND APPAREIL : Nagra CLASSIC AMP ou CLASSIC AMP MODEL: Nagra CLASSIC AMP or CLASSIC AMP NORMES APPLICABLES : APPLICABLE NORMS: Champ électromagnétique rayonné...

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