AUDIOPHONICS AP300-M450ET Power Amplifier Mono Purifi 1ET6525SA

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We're proud to present the Audiophonics AP300-M450ET, a Class D mono power amplifier based on a Purifi 1ET6525SA module. This ready-to-install and ready-to-use version is aimed at audiophiles who want a foolproof amplification solution, with considerable power reserve and impeccable linearity. The PURIFI 1ET6525SA is one of the most rigorous Class D amplification solutions on the market, with measured performance that is simply outstanding.

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Reference : 20210
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719,00 €tax incl.

599,17 € tax excl.
Including 0,05 € for green tax

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2 Years warranty

Accessories for this product

Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.

 
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Offre de lancement Audiophonics Purifi 1ET6525SA

This product will be available for pre-order from 29/11/2024.


Audiophonics AP300-M450ET Power Amplifier Class D Mono PURIFI 1ET6525SA 1x450W 4 Ohm

Audiophonics AP300-M450ET : Front view

We're proud to present the Audiophonics AP300-M450ET, a Class D mono power amplifier based on a Purifi 1ET6525SA module. This ready-to-install and ready-to-use version is aimed at audiophiles who want a foolproof amplification solution, with considerable power reserve and impeccable linearity. The PURIFI 1ET6525SA is one of the most rigorous Class D amplification solutions on the market, with measured performance that is simply outstanding.

The result is a high level of sound reproduction, suitable for use with demanding speakers, large listening rooms or studio applications requiring considerable headroom without compromising on the precision and richness of the audio message.

All components are housed in a sober, robust and compact 100% aluminum case. It features openings to facilitate heat dissipation. Its design also limits the impact of interference on the signal.

Audiophonics AP300-M450ET : PURIFI 1ET6525SA Module

Audiophonics AP300-M450ET : PURIFI 1ET6525SA module

  • For its single amplifier channel, the AP300-M450ET uses a PURIFI 1ET6525SA module. This high-performance Class D amplifier circuit delivers a very comfortable output power of 450W at 4Ω or 230W at 8Ω, while benefiting from the tremendous efficiency of Class D amplifiers.
  • The 1ET6525SA module features a high-gain loop of over 85dB across the entire frequency band, providing high performance across the entire spectrum, surpassing any amplifier of any class.
  • Highly effective in terms of intermodulation distortion (IMD), these modules enable the AP300-M450ET to deliver a stereophonic image of formidable precision across the entire spectrum, for redoubled clarity, even during the most complex musical works.
  • Total Harmonic Distortion (THD) is kept extremely low at all power levels. This translates into an absence of sound signature and the ability to reproduce all types of music without coloration.
  • Output noise is negligible, allowing deep silences and favoring the appearance of detail when listening at low volume.
  • The circuit benefits from a high level of rejection (PSRR) that minimizes the impact of the power supply on audio performance.
  • The load-independent frequency response makes it possible to enjoy all the qualities of this amplification technology, even with the most difficult-to-drive speakers.
  • Low quiescent power consumption and electromagnetic radiation (EMI). The high-gain loop considerably relieves the workload on MOSFETs, enabling them to operate under optimum conditions, reducing losses and EMI emissions.
  • The AP300-M450ET's amplifier module are linked by a specially developed interface board for optimum integration.

Audiophonics AP300-M450ET : HYPEX SMPS600N400 Power Supply Module

The SMPS600N400 switched-mode power supply is an ultra-high-efficiency model capable of delivering 600 Watts of rated power in an extremely compact package. It has been specifically designed and developed by HYPEX to supply the 2 x 65V voltage required to operate the most demanding amplifier modules.

This high-quality, low-noise power supply meets the power requirements of the amplifier modules in every respect. What's more, the amplifier modules themselves have an excellent ability to reject power supply noise. As a result, the AP300-M450ET is extremely insensitive to mains imperfections and voltage/current variations that can cause parasitic noise.

Audiophonics AP300-M450ET : Hypex SMPS600N400 power supply module

Audiophonics AP300-M450ET : Audiophonics interface card

The amplifier module is controlled by an interface board of our own design.

An Audiophonics OPA1656 OPA is used, a very low distortion OPA offering the highest transparency with very low THD. It is socket-mounted, allowing replacement if necessary.

To suit all uses, we have opted for 4 gain settings, selectable by jumper on the underside of the unit:

  • Total gain of 12.5dB - Maximum power reached with a 10.06V RMS signal.
  • Total gain of 20dB (default) - Maximum power reached with a 4.24V RMS signal.
  • Total gain of 25dB - Maximum power reached with a 2.39Vrms signal.
  • Total gain of 29dB - Maximum power reached with a 1.51Vrms signal.

Audiophonics AP300-M450ET : Connectivity

Designed for easy integration, the AP300-M450ET features both balanced (XLR) and single-ended (RCA) mono inputs. A bipolar selector switch makes it easy to change the input source.

At the output, BP-207 carbon / 24k gold insulated terminal blocks Ø5.5mm ensure an excellent connection with the loudspeakers.

Audiophonics AP300-M450ET : Rear view

Audiophonics AP300-M450ET : Trigger

The AP300-M450ET features a 5-12V trigger input integrated into a low-power circuit (5 mA). This means your amplifier blocks can easily join your Hi-Fi installations with remote-controlled switch-on.

Audiophonics AP300-M450ET : trigger

Audiophonics AP300-M450ET : THD vs Freq

Audiophonics AP300-M450ET : THD vs Freq

Audiophonics AP300-M450ET : THD+N

Audiophonics AP300-M450ET : THD+N

Audiophonics AP300-M450ET : Frequency response

Audiophonics AP300-M450ET : Frequency response

Technical characteristics

Specifications
Product typePower amplifier
Inputs1x Balanced mono XLR
1x Single-ended mono RCA
Output1x Speaker terminal
Power1x230W @ 8Ω, 1%THD
1x450W @ 4Ω, 1%THD
1x510W @ 2Ω, 1%THD
Total harmonic distortion more noise (THD+N)0.00035% @ PO=1W, f=1kHz
0.0001% @ PO=10W, f=1kHz
0.00005% @ PO=100W, f=1kHz
0.00035% @ PO=1W, f=20Hz-20kHz
0.00029% @ PO=10W, f=20Hz-20kHz
0.0001% @ PO=100W, f=20Hz-20kHz
IMD (CCIF)0.0000003% @ PO=1W, f=18.5kHz+19.5kHz
0.0000006% @ PO=10W, f=18.5kHz+19.5kHz
0.0000005 % @ PO=100W, f=18.5kHz+19.5kHz
IMD (DIM)0.002% @ PO=1W, DIM30
0.002% @ PO=10W, DIM30
0.009% @ PO=100W, DIM30
Idle noise6.6µV (A-Weighted)
Dynamic range137dB @ 4Ω (A-Weighted)
SNR137dB @ 4Ω (A-Weighted)
Frequency response20Hz - 20kHz ±0.01dB @ RL=8Ω
20Hz - 20kHz ±0.01dB @ RL=4Ω
20Hz - 20kHz ±0.01dB @ RL=2Ω
Output impedanceIout = 1A @ 0.03mΩ, 1kHz
Iout = 1A @ < 0.35mΩ, 20Hz-20kHz
Input impedanceRCA : 10kΩ
XLR : 20kΩ
XLR Gain / Input sensitivity for max power at 1% THD12.5dB / 10.06Vrms
20dB / 4.24Vrms
25dB / 2.39Vrms
29dB / 1.51Vrms
RCA Gain / Input sensitivity for max power at 1% THD12.5dB / 5.03Vrms
20dB / 2.12Vrms
25dB / 1.24Vrms
29dB / 0.75Vrms
General
Power supply100-240V AC
Dimensions300 x 220 x 65mm
Weight1.98kg
Housing materialAluminum
ColorBlack
Package1x Audiophonics AP300-M450ET
1x Power cable
 
Data sheet
InputRCA
InputXLR
OutputSpeaker terminal
ColorBlack
Channel1 (Mono)
ClassClass D / T
Amplifier chip1ET6525SA
Power (W)450.0
Remote ControlNo
 
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AUDIOPHONICS AP300-M450ET Power Amplifier Class D Mono Purifi 1ET6525SA 1x450W 4 Ohm
We're proud to present the Audiophonics AP300-M450ET, a Class D mono power amplifier based on a Purifi 1ET6525SA module. This ready-to-install...

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