ATOHM S500 ICE POWER Amplifier module Class-D Subwoofer 500W

ATOHM S500 ICE POWER Amplifier module Class-D Subwoofer

Average votes for this product
5.0 / 5

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Reference : 9359
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374,17 €


318,04 €tax excl.

Including 0,25 € for green tax
This product is discontinued
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This model is replaced by the new version : S500-X ATOHM

ATOHM S500 ICE POWER Class-D Subwoofer Amplifier Module

Specialized in the design and manufacture of high-end loudspeakers and loudspeaker cabinets, ATOHM also designs and offers amplification modules with a very high level of performance.
Thanks to their sophisticated signal processing, ATOHM modules offer a wide choice of settings and connections to meet a wide range of applications such as active subwoofer in closed load or bass-reflex, active loudspeaker, monaural power block.
High technical and musical performance in a minimalist footprint!

Extensive studies have been carried out on components, schematics, layout topology, power supply and general construction.
Performance rhymes here with quality, musicality and reliability.

The ATOHM S500 module includes some important special features, among which are :

ICE POWER TM output stage with 500Wrms of power at 4ohms. Thanks to its class D technology, its excellent efficiency (80%) and its high damping factor make it compatible with any load impedance greater than or equal to 3 ohms. Great musicality and generous power in a very small footprint!

Peak limiter section with 2 levels 0 and -1dB with "soft clipping". When clipped (excess input level) a sinusoidal signal is transformed into a square signal containing an infinite number of perfectly audible odd harmonics (distortion).
In a subwoofer application, this distortion distorts the sound and makes it possible to perfectly locate the subwoofer because it contains high frequencies.
The clipping limiter associated with the low-pass filter stages (variable or LFE) reduces or eliminates clipping distortion.

The X-gard technology ™ overcomes the disadvantages of a conventional subsonic filter by ensuring that the speaker excursion never exceeds an absolute limit (risk of breakage, very high distortion) whatever the amplitude of the input signal.
This technology preserves the signal and its phase (unlike a subsonic filter). The extreme bass is more faithful, the connection with the main speakers more homogeneous and the speaker protected.

It is possible to connect the module via the "pre-out/subwoofer output" of a preamplifier/processor or directly to the speaker outputs (in parallel) of a conventional stereo amplifier.

The S500 module can be by-passed to high performance "hifi" broadband use (mono block) via a simple internal switch. In this case, only the gain control remains active. This can be used to create monitor speakers for example.

Features :

  • RMS power: 500Wrms
  • Impedance: 4 - 16 ohms
  • Frequency response: 20Hz - -20kHz
  • Signal-to-noise ratio (direct mode): 111dB
  • Signal-to-noise ratio (sibwoofer mode): 96dB
  • Damping factor (8 ohms, 100Hz): greater than 1000
  • THD+N: inferior to 0.1%.
  • Variable low pass filter: 38Hz (-6dB) to 200Hz (-6dB), 24dB/octave or 12dB/octave (LFE disengageable)
  • Phase reverser: 0 - 180°.
  • Supply voltage: 220V / 50Hz
  • Consumption: 700W Max. 
  • 1.2kg

Atohm s500

Atohm s250

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Average votes
5.0 / 5
2 reviews
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Note :
Date :
S500 sur Caisson Audience Absolute A12HP
Pour remplacer la platine ampli d'un caisson Audience Absolute A12HP de 2004 de 450W RMS/800w Crête, 19Hz-160Hz, alimentant un HP de 30 cm.
En Hifi ou HC, à la hauteur de sa réputation Graves toujours aussi fermes, en comparaison avec le 2eme Audience A12HP de mon installation.
La platine adaptatrice (en option) est parfaite pour combler l'ancien percement.
Merci à vous et à la société Athom pour ce produit de très qualité.
This review has been posted for ATOHM S500 ICE POWER Amplifier module Class-D Subwoofer 500W
Note :
Date :
S500 sur caisson klipsch r-115sw
Utilisé pour remplacer un module klipsch qui avait rendu l'âme. .et de toute façon pas au niveaux du haut parleur.
Un peu d'ébénisterie car le module athom est plus petit en hauteur de 45mm.
Certains diront que c'est une machine à décoller le papier peint , d'autres diront que c'est très propre comparé au module klipsch d'origine.
L'ancien module avait du mal à tenir le haut parleur de 38cm en dessous de 45 hz, la c'est super bien tenu et cela ne bave pas.
En tous cas, c'est un très bon achat de qualité et merci à audiophonics pour les très bons conseils.
This review has been posted for ATOHM S500 ICE POWER Amplifier module Class-D Subwoofer 500W

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