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PURIFI 1ET400A 1x425W Eigentakt Verstärkermodule

€ 272,69€ 329,95 >10 Auf Lager: Lieferzeit 1-3 Werktage
The 1ET400A is a single-channel, ultra-high performance, analog-input Class D amplifier module capable of over 400W of power and provides an audio quality level that sets the standard for power amplifiers of any operating class.... Mehr anzeigen
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Produktbeschreibung

The 1ET400A is a single-channel, ultra-high performance, analog-input Class D amplifier module capable of over 400W of power and provides an audio quality level that sets the standard for power amplifiers of any operating class.

 

Highlights

  • Single-channel, analog input
  • Negligible THD and IMD
  • Extraordinary low noise
  • Load-invariant response
  • Exceptionally clean clipping
  • Low losses & high efficiency
  • Small formfactor 

 

Product details

PURIFI 1ET400A | Eigentakt | Amplifier Module

 

This high-performance amplifier module is based on the Eigentakt technology from PURIFI. The 1ET400A is one of the most high-end options from our amplifier module category. Eigentakt is the implementation of PURIFI's continuing research into nonlinear control theory that produced the first mathematically exact largesignal model of self-oscillating amplifier controllers. This breakthrough allows complete optimization of the feedback circuit and improves performance by at least an order of magnitude over existing implementations. The Eigentakt technology allows for extreme low THD at any frequency and power level. The negligible IMD (intermodulation distortion) creates a highly resolved and stable stereo image. Thanks to the very low output noise, this exceptional performance is preserved even at low listening levels.

 

The 1ET400A also features a comprehensive protection system that makes it robust and easy to integrate. 

 

Features

  • High loop gain (>75dB) in the entire audio band
  • Negligible Intermodulation Distortion (IMD)
  • THD remains extremely low at any frequency and any power level
  • Negligible output noise
  • High power supply rejection ratio (PSRR)
  • Controlled, second-order low-pass response

 

What’s In The Box?

  • 1ET400A amplifier module 

 

The 1ET400A module requires attention on the power supply and signal input connections. We recommend to use a dedicated front-end module that provides a buffered input and handles the power supply connections. PURIFI developed the FE02 stereo front-end module for this purpose. This module enables an evaluation setup but is also suitable for DIY applications. The FE02 front-end module is supplied with the PURIFI EVAL1 kit available on this page.

Eigenschaften

Artikelnummer:
1ET400A
Rated power output

425 watts at 4 ohms
227 watts at 8 ohms
450 watts at 2 ohms

Minimum load
2 ohms
Efficiency
> 94%
Signal-to-noise ratio (SNR)
131 dB
Distortion
0.00017 % THD+N at 20-20,000 Hz, 4 ohms, 100 watts
Frequency Response
0 - 60,000 Hz
Gain
12.8 dB
Input sensitivity
-
Input impedance

4.4k ohms (differential mode)
2.2k ohms (common mode)

Amplifier Classification
Class D
Circuit Topology
Eigentakt
Speaker output channels
1
Input connection type
Pin header
Speaker output connection type
Pin header
DSP function
-
Bluetooth
-
EQ Adjustment
-
Power Requirements
25 - 70 VDC (symmetric supply +/-)
Power inlet connector
Pin header
Current limit
25 A
Under/over voltage protection
check
Dimensions (L x W x H)
82 x 63 x 35 mm
Mounting hole spacing
75 x 56 mm
Mounting hole diameter
M3

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1ET400A 1x425W Eigentakt  Verstärkermodule
€ 272,69
€ 329,95
1ET400A 1x425W Eigentakt Verstärkermodule
>10 Auf Lager: Lieferzeit 1-3 Werktage
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