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Hand-assembled in our workshop in France, the Audiophonics HPA-DM500NIL power amplifier is a high-performance Class D dual-mono model, based on the new Hypex Nilai500DIY amplification solution. This delivers high power output with very low noise and distortion, for precise, clear sound reproduction. These modules are combined with two specially designed power supplies, the Hypex PS500DIY, providing audio circuits with a clean, stable electrical signal. The whole unit is housed in a solid, sand-blasted aluminum case, revealing both a massive, modern design and perfect heat dissipation.
Each channel of the Audiophonics HPA-DM500NIL features its own Class D Hypex Nilai500DIY amplifier module. These, integrated in a dual-mono architecture, ensure exceptional sonic performance, and enable the development of significant power, with no less than 500W per channel at 4Ω. Each module features high-end components, including a totally discrete buffer stage and high-quality voltage regulators, as well as a brand-new control loop technology. The result is a drastic reduction in distortion, noise and output impedance, enabling the HPA-DM500NIL to reveal a rich, precise sound with a wide soundstage.
The two Nilai500DIY amplifier modules are each associated with their own Hypex PS500DIY switched-mode power supply module, specially designed to power them. These incorporate audiophile-grade components and PFC (Power Factor Correction) to ensure high power density and a significant reduction in EMI interference conductivity. The modules also incorporate a complete protection system for enhanced device durability. What's more, with one power module per channel, you benefit from true dual-mono architecture, effectively eliminating interference between each channel.
The HPA-DM500NIL features dual input connectors with two RCA ports (double mono unbalanced) and two XLR ports (double mono balanced). The RCA connectors are 24k gold-plated, with heat-resistant plastic caps. The XLR connectors are from Neutrik, and feature a high-quality design with metal locking latch.
A two-position selector switch makes it easy to alternate between XLR and RCA inputs. So you can connect two different preamplifiers and alternate input sources.
The Audiophonics HPA-DM500NIL features two pairs of 24-carat gold-plated speaker terminals on the rear panel. These terminals are designed to accept banana plugs up to Ø4mm in diameter. They can also accommodate bare conductors, thanks to a screw-lockable slot.
A double trigger socket (input and output) brings the convenience of an automated and particularly practical ignition sequence to your entire audio system. Power input is via an IEC C14 socket. This is fitted with a 5x20mm 6.3A fuse (supplied and pre-installed).
This amplifier's trigger needs to be used with a mono trigger cable (sold separately).
As a high-power amplifier, the HPA-DM500NIL is, quite naturally, subject to thermal stress during use. Heat management is therefore of prime importance, not only to maintain amplification performance, but also to ensure the unit's excellent durability.
For example, the chassis, made entirely of sand-blasted aluminum, has recesses on the sides to increase the heat dissipation surface. Carefully placed ventilation holes promote air circulation and heat dissipation. The heatsinks also contribute to the amplifier's solid, modern aesthetic.
1 | ON/OFF button |
2 | Right channel XLR input |
3 | Right channel input switch |
4 | Right channel RCA input |
5 | Right channel speaker output |
6 | Power fuse |
7 | Power input |
8 | Trigger input |
9 | Trigger output |
10 | Left channel speaker output |
11 | Left channel XLR input |
12 | Left channel input switch |
13 | Left channel RCA input |
Technical characteristics
Specifications | |
---|---|
Product type | Power amplifier |
Amplification type | Class D |
Amplification modules | 2x Hypex Nilai500DIY |
Channels | Dual mono |
Inputs | 2x Single-ended RCA 2x Balanced XLR |
Amplification technology | Nilai |
Output power | 2x500W @ 4Ω 2x250W @ 8Ω |
THD+N | 0.00015% |
SNR | 134dB |
Output noise | 9µV |
Frequency response | 0Hz - 70kHz |
Trigger | Input / Output 5-12V |
Gain | 21.75db |
General | |
---|---|
Supply voltage | 110-240V AC |
Housing materials | Sandblasted aluminum |
Total dimensions (WxDxH) | 435 x 355 x 73mm |
Weight | 6.1kg |
Idle power | 0.1W |
Color | Black |
Package | 1x Audiophonics HPA-DM500NIL 1x Power cable |
Input | XLR |
Input | RCA |
Output | Speaker terminal |
Color | Black |
Channel | Dual Mono |
Channel | 2 (Stereo) |
Class | Class D / T |
Amplifier chip | Hypex Nilai500DIY |
Power (W) | 500.0 |
Remote Control | No |
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