Accuphase E-280 90W/ch Integrated Stereo Amplifier
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Accuphase E-280 – We only stock brands that we love at HFL so it was a pleasant surprise when I had an opportunity to listen to the Accuphase E-650 and instantly I was smitten, I have to say I was almost won over by the looks before it had even created a singe note, the presentation sounds just right though, honest but with a tad of warmth giving a very natural sound so if you are looking for a new amp, pre or source feel free to get in touch to arrange a demo of Accuphase.
Though the E-270, which was launched in 2016, was just the entry-class model , inheriting the great technologies from the higher models, it has been attracting the audiophiles all over the world and supporting their music life with its superb electrical performance, sound quality and its ease-to-use. The new E-280 employs the latest AAVA volume control system and attains 12% lower noise performance. And the power module section which adopts the contactless MOS-FET switches represent a damping factor of 500. 2 options boards can be added for improved expandability, from the analog records to the Hi-res digital sources, E-280 allows audiophiles to give a direct access to every music source. The evolved E-280 is irreplaceable to all music lovers with its magnificent technology philosophy of higher-grade models.
The AAVA volume control builds upon the knowledge of high-end equipment to control volume without loss of information. The power amplification section utilizes the instrumentation amplifier principle to create an ideal speaker driver. The low impedance design of the output circuitry brings out the full potential of every speaker. Two option boards can be added for improved expandability. The E-280 sound performance will defy the imagination.
The E-280 inherits the E-270’s sleek design with no subpanel, it is simple but sophisticated that contains all required functions as an integrated amp. The needle power meter with indication range to -50dB is able to move even at the small volume level less than – 60dB. Sampling Frequency Display has expanded to “MHz” to support the DAC-50 operation.
E-280 takes the mono block construction. With the symmetrical arrangement of L / R power amplifier blocks, the strong power supply with a massive high-efficiency transformer and two large 30000μF specially-made filtering capacitors are installed at the center of unit. AAVA circuit block is located near the front panel. Preamplifier and power amplifier sections can be used separately for further enhanced sound with the Digital Voicing Equalizer DG series or a bi-amped setup driven by separate amplifiers.
Technical Specifications
- AAVA volume control
- Power amplification stage with bipolar transistors in double parallel push-pull configuration
- Rated for 120 watts into 4 ohms and 90 watts into 8 ohms
- High damping factor of 500
- Power amplification stage configured as instrumentation amplifier
- Current feedback amplification topology in power amplification stage
- Logic-control relays for shortest signal paths
- Strong power supply with massive high-efficiency transformer and large filtering capacitors
- Protection circuitry using MOS-FET switches
- Two rear panel expansion slots allow use of option boards
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