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The C-290 takes the balanced transmission technology developed for the C-280V to an even higher plane of perfection.
All aspects of circuit topology were reexamined, and only the finest parts and materials are used in this ultimate performer.
The C-290 is a line amplifier, but the optional phono equalizer unit AD-290 provides lover of analog records with top-quality playback capabilities.
The newly developed low-noise input modules are mouted on an alumina ceramic base, and the printed circuit boards use low-dielectric polyphenylene oxide (PPO) on a glass substrate.
The amorphous-core power transformers help to minimize magnetic distortion.
Through a harmonious blend of traditional workmanship and latest technology, this preamplifier achieves impeccable sound quality.
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 With AD-290 : Equalizer gain selector, MC input impedance selector |
| Tape copy switch |
| Loudness compensator |
| Output phase switch |
| Balanced input and output provided |
| Balance control(with alphanumeric display) |
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Optional Phono equalizer amplifier AD-290 |
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Precision Stereo Preamplifier C-290 
