Denon PMA-2500NE 2x 160W Reference Integrated Amplifier
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Denon PMA-2500NE 2x 160W Reference Integrated Amplifier
Denon is one of the rare audio brands that continued to actively develop Hi-Fi components and accumulate, refine, and pass down Hi-Fi audio technologies. The 2500NE series, designed for today’s age, has been developed by both veteran engineers and talented young engineers who have inherited the Denon technologies and expertise that have been cultivated over many years and decades. And the performance of the PMA-2500NE goes well beyond that of Denon’s previous PMA-2000 series. With its ultimate built-quality, unique Denon technologies and state-of-the-art connectivity, the PMA-2500NE truly is a masterpiece of sound technology.
High-speed thermal feedback circuitry
In addition to the UHC-MOS of the power amp and temperature compensation transistors, the PMA-2500NE incorporates transistors in the driver stage of the power amp that have been thermally bound to a radiator (copper plate). Since all devices related to idling current have been thermally bound, idling current is now more stable, giving greater clarity and stability to the sound.
High-gain amp construction
The amplifier circuitry has been changed from the conventional two-stage configuration to a high-gain power amp in a single-stage configuration for a more direct signal path. A highly pure sound has been made possible by reducing the number of devices through which audio signals pass and shortening signal paths to an absolute minimum. The protection circuitry for the power amp output stage has also been considerably improved. The current limiter has been eliminated in favour of a system that monitors power transistor temperature changes in real time, and the current capacity of driver stage transistors has been boosted to 2.0A from 1.5A. As a result, the instantaneous current supply capability of the amp has been more than doubled (110A) compared to conventional designs and speaker drivability has been dramatically improved (damping factor: greater than 700, 20 Hz – 20 kHz).
External pre-amp input terminals
The PMA-2500NE provides “EXT.PRE” input terminals – fixed gain inputs – that can be used for connecting an external pre-amp and using the PMA-2500NE as a power amp. This is convenient when connecting an A/V amp via its pre-outs so that the listening space with the same front speakers can be used as a home theatre.
Digital isolator
The PMA-2500NE is equipped with a high-speed digital isolator to eliminate adverse influences on sound quality caused by high-frequency noise from a USB-connected computer or from the PMA-2500NE’s digital inputs. Since data is transferred magnetically via coils embedded in an IC chip, the input and output sides are electrically isolated. By isolating the signal line between digital audio circuitry and the D/A converter, adverse influences of high-frequency noise on analogue audio circuitry after the D/A converter are eliminated. The PMA-2500NE also adopted a dedicated power transformer for the digital circuitry to shut out noise from the power source. In addition, digital input circuitry has been placed below the transformer base constructed of three 1.6mm thick steel plates to prevent it from adversely affecting the analogue audio circuitry.
Features
- 2 x 160 W (4 ohm) output
- Advanced Ultra High Current (UHC)-MOS Single Push-Pull Circuit Power Amplifier with new Schottky barrier diodes
- DAC Master Clock Design
- USB-B input for High Resolution Audio up to 384 kHz / 32 bit and 11.2 MHz DSD
- Digital isolator to eliminate high-frequency computer noise on the USB-B
- Low noise OLED display for source and sample rate indication
- Analog Mode for pure audio reproduction switching off digital audio circuitry and display
- Advanced AL32 Processing Plus
- Direct Mechanical Ground Construction to minimize unwanted vibration
- Chassis construction with 6 independent blocks to eliminate noises
- Leakage-cancelling-mounted twin transformers
- Main transformer with separate power supplies for analogue and digital circuits
- Wide dynamic range playback, supporting high-resolution audio sources
- High-grade volume control for precise adjustment
- 2 Digital Optical and 2 Digital Coaxial inputs
- High performance MM & MC Phono Equalizer Amp
- Available in Premium Silver
Specifications
| Output power 8 Ohm (20 Hz - 20 kHz, T.H.D. 0.07%)80 W |
| Output power 4 Ohm (1 kHz, T.H.D. 0.7%)160 W |
| Total Harmonic Distortion0.01% |
| Input Sensitivity: MM2.5 mV / 47kohm |
| Signal to Noise Ratio: MM/MC89 dB / 74 dB |
| Signal to Noise Ratio: High level110dB |
| Treble Control± 8 dB at 10 kHz |
| Bass Control± 8 dB at 100 Hz |
Similar Denon products - Denon PMA-1700NE, Denon PMA-900HNE, Denon PMA-1600NE, Denon PMA-600NE, Denon PMA-A110GS
Denon PMA-2500NE 2x 160W Reference Integrated Amplifier
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FAQ’s
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Currently, we only ship within Australia. We are working on expanding our shipping options to include international destinations in the future.
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We offer a 30-day return policy on most items. Products must be in their original condition and packaging to be eligible for a return. Please refer to our Return Policy page for more details.
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Can I exchange an item?
Yes, we offer exchanges for items of equal or greater value. Please contact our customer service team to arrange an exchange.
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Yes, all our products come with a manufacturer’s warranty. The duration and terms of the warranty vary by product. Please refer to the product page for specific warranty information.
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