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[GRADE A] AUDIOPHONICS HPA-S500NC Power Amplifier Class D Stereo NCore NC500MP 2x500W 4 Ohm
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Refurbished product - Grade A
Minor cosmetic defects (very slight scratches or marks).
Audiophonics HPA-S500NC
Class D Amplifier 2x NCORE NC500MP 500W RCA balanced XLR
The HPA-S500NC is a :massive stereo amplifier. It was designed to meet power and precision requirements. Based on a duo of Hypex NCORE NC500MP OEM modules, this class D amplifier has tremendous efficiency thanks to two switching power supply units with synchronous control. As most of the amplifiers based on NCore, the frequency response is independent of the load and EMI are well cancelled, which significantly limits the overall distortion. The HPA-S500NC will be particularly appreciated in all situations requiring high power amplification while maintaining a high signal neutrality. It will fit in both a professional studio or a private home.
Two modules NC500MP
Each channel has its own 500W high efficiency amplifier circuit; low output impedance, low distortion and low noise. Each circuit has an independent power supply, which refines the sound stage and to preserve the dynamic without causing additional distortion. All internal connections uses OCC 2.5mm² wiring to enjoy excellent conductivity and preserve all of the subtleties of the signal.
RCA and XLR switchable inputs
The power amplifier has two RCA (stereo) input ports and two XLR ports (balanced stereo). The RCA sockets are gold plated 24k with plastic heat-resistant capsule. XLR connectors are high quality Neutrik connectors with metal latch and gold-plated drivers .
A two position switch allows the user to toggle between the XLR and RCA input with ease. It it thus possible to connect two different preamps and alternate input sources.
High quality terminals compliant with banana plugs
On its rear side, the PA S500NC has two pairs of 24k gold-plated speaker terminals. These terminals are designed to accept banana plugs up to ⌀4mm. They can also host ⌀5.3mm bare wires with a screw lock.
5-12V trigger
A trigger socket brings the comfort of an ignition sequence and allows a complete integration into a well-developped audio system. The power input is a IEC14 socket with gold-plated copper conductors. The latter works with a 5x20mm fuse 3.150A (supplied and already mounted).
This amplifier's trigger needs to be used with a mono trigger cable (sold separately).
Heat dissipation
Because it is able to output considerable power, the HPA-S500NC will be subject to thermal stress during use. The heat management is a key issue to achieve a high level of sonic accuracy and keep distortion under a determined threshold.
For this reason, each amplification module is mounted on a large heat radiator which is capable of effectively dissipating the heat. Similarly, ventilation holes distributed carefully will promote air circulation and heat dissipation.
Audio Precision analysis data
Click here to see the performance measurements of NCORE NC500MP. (Opens a new tab) | Specifications | |
|---|---|
| Type | Class D power amplifier |
| Channels | x2 (Dual Mono) |
| Inputs | 2x RCA 2x XLR - 3 poles |
| Technology | ncore |
| Power | 2x400W under 2Ω @ 1kHz THD = 1% 2x500W under 4Ω @ 1kHz THD = 1% 2x270W under 8Ω @ 1kHz THD = 1% 2x 135W @ 8Ω 10Hz-20kHz THD = 0.006% 2x 250W @ 4Ω 10Hz-20kHz THD = 0.006% |
| THD + N | 0002-0006% |
| SNR | 124dB @ 10Hz-20kHz |
| Output noise | 40μV |
| Frequency response | 0 / -3dB: 10Hz - 50kHz |
| Trigger | 5-12VDC |
| Power Supply | 100-240V Automatic detection of input voltage |
| Gain | 25.5dB |
| Input sensitivity | Max power at 2.35V RMS XLR : 2x1.17V RMS RCA : 2.35V RMS |
| Power consumption max | 1300W |
| Efficiency (full power) | 92% |
| Idle consumption | 13W |
| Frame | Sandblasted aluminum |
| Dimensions | 413mm x 330mm (360mm with terminals) x 60mm |
| Weight | 5.480kg |
| Parts supplied | |
|---|---|
| Cord elbow sector / 3x1.5mm² | x1 |
| Amplifier HPA-S500NC | x1 |
| Input | XLR |
| Input | RCA |
| Output | Speaker terminal |
| Color | Black |
| Channel | 2 (Stereo) |
| Class | Class D / T |
| Amplifier chip | Hypex Ncore |
| Power (W) | 500.0 |
| Remote Control | No |
| Refurbished Grade | Grade A |
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