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Technical Highlights

  • Power RMS @ 14.4 V, 4Ω: 100 W x 2 or 220 W x 1.
  • Input voltage range 0.4 5 Vrms, impedance: 15 kOhm.
  • Input from 12V to 24V, thermal shutdown at 93° C.
  • More technical details
Normal price €269,00
Normal price €269,00 Selling price €269,00
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execution: 12V
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Normal price €269,00
Normal price €269,00 Selling price €269,00

ATOMO 2 by Gladen

The Gladen ATOMO 2 is a 2-Channel Amplifier with compact dimensions of 86 x 65 x 34 mm and a black anodized housing surface. The amplifier operates with an input voltage of 10–16 V and utilizes an unregulated push-pull DC-DC converter topology with 1 x 15 A fuse and 75% overall efficiency. The RMS power at 14.4 V includes 100 W x 2 at 4 Ohm, 110 W x 2 at 2 Ohm, and 220 W x 1 bridged at 4 Ohm, with T.H.D. values of 0.3% at 4 Ohm and 0.5% at 2 Ohm and a minimum load of 2 Ohm with music signal. Onboard filters are available as OFF, high-pass, and low-pass with 12 dB/Oct and 80 Hz crossover frequency, the bandwidth is 5 Hz – 40 kHz (-3 dB at 10 W). The low-level input sensitivity is 0.4–5 Vrms, high-level is 1.6–20 Vrms; the inputs are designed as Molex Micro-Fit, speaker and power connections as Mini-Fit. Flexible input configurations include floating/fixed ground and switchable load resistors, the low-level input impedance is 15 kOhm, high-level 21 Ohm (dummy load with jumper), the ground reference (only low level) is open – 21 Ohm. Features include remote detection (BTL), automatic turn-on only high level (BTL source), start & stop compatibility, mute delay of 3 s, and turn-on/turn-off thresholds of 9 V / 6 V. Additional values: quiescent current 0.1 mA, idle current 0.47 A at 14.4 V, thermal shutdown threshold 93 °C (± 5%), and weight 275 g; available in 12 V and 24 V versions.

Features
  • 2-Channel Amplifier
  • Extremely compact, powerful design
  • Low-level input sensitivity 0.4–5 Vrms
  • High-level input sensitivity 1.6–20 Vrms
  • Inputs flexibly configurable (floating/fixed ground, switchable load resistors)
  • Remote detection (BTL)
  • Onboard filters OFF, HP, LP with 12 dB/Oct and 80 Hz crossover frequency
  • Low/High level input Micro-Fit
  • Speaker output Mini-Fit
  • Power connection Mini-Fit
  • Start & stop compatible
  • 12 V and 24 V versions
  • Dimensions 86 x 65 x 34 mm
  • Weight 275 g
  • Housing surface black anodized
Technical Data
  • Input voltage 10–16 V
  • DC-DC converter topology unregulated – push-pull
  • Fuse 1 x 15 A
  • Turn-on and turn-off voltage threshold 9 V / 6 V
  • Mute delay 3 s
  • Automatic turn-on only high level, BTL source
  • Overall efficiency 75%
  • Quiescent current 0.1 mA
  • Idle current 0.47 A at 14.4 V
  • Thermal shutdown threshold 93 °C (± 5%)
  • Output power RMS at 14.4 V (1% THD) 4 Ohm: 100 W x 2
  • Output power RMS at 14.4 V (1% THD) 4 Ohm bridged: 220 W x 1
  • Output power RMS at 14.4 V (1% THD) 2 Ohm: 110 W x 2
  • T.H.D. at 4 Ohm 0.3% (1 kHz / 90 Power rating ref)
  • T.H.D. at 2 Ohm 0.5% (1 kHz / 90 Power rating ref)
  • Minimum load 2 Ohm with music signal
  • Bandwidth (-3 dB, 10 W) 5 Hz – 40 kHz
  • Low-level input impedance 15 kOhm
  • High-level input impedance 21 Ohm (dummy load with jumper)
  • Ground reference (only low level) open – 21 Ohm

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Gladen ATOMO 2 Datasheet

Frequently Asked Questions about ATOMO 2


What power does the ATOMO 2 Amplifier provide at 4 Ohms?

The ATOMO 2 from Gladen delivers an output power of 100 Watts RMS per channel at an impedance of 4 Ohms. When you bridge the channels, the amplifier reaches 220 Watts RMS. This power capability makes it ideal for use with various speaker systems. It is particularly suitable for users who expect impressive audio performance from a compact device. The Total Harmonic Distortion (THD) is at 0.3%, promising excellent sound quality.

What are the dimensions of the ATOMO 2 Amplifier?

The ATOMO 2 has extremely compact dimensions of 86 x 65 x 34 mm. These small dimensions allow for installation in almost any vehicle environment, even when space is limited. Despite its small size, the amplifier offers remarkable performance. The lightweight 275 g of the device also makes installation easier, as the weight does not strain the vehicle's mounting points.

What input settings does the ATOMO 2 support?

The ATOMO 2 supports both low-level and high-level inputs. The low-level input has a sensitivity range of 0.4 Vrms to 5 Vrms and an input impedance of 15 kOhm. The high-level input, on the other hand, ranges from 1.6 Vrms to 20 Vrms with an input impedance of 21 Ohm. This flexibility makes it compatible with a variety of audio sources. Floating and fixed-ground options are also available to ensure that the amplifier works optimally with different audio setups.

How does the remote sensing work on the ATOMO 2?

The remote sensing of the ATOMO 2 is activated by a BTL source (Bridge Tied Load). This technology allows the amplifier to detect power-on as soon as a corresponding audio source sends a signal. The power-on automation only works with high-level inputs. The mute delay is three seconds after the device has been put into standby mode. This allows the amplifier to operate seamlessly without requiring manual switching.

What filters does the ATOMO 2 offer?

The ATOMO 2 offers both high-pass and low-pass filters that can be adjusted directly on the device. These filters have a slope of 12 dB/Oct and provide a crossover frequency at 80 Hz. This is advantageous for audiophiles who want to individually optimize their sound settings. Additionally, the amplifier features an onboard filter configuration that allows settings for OFF, HP, or LP, depending on the desired sound profile.

Is the ATOMO 2 Amplifier suitable for use in hybrid vehicles?

Yes, the ATOMO 2 is suitable for use in most hybrid and electric vehicles thanks to its compatibility with 12V and 24V systems as well as its sophisticated DC-DC converter topology. This compatibility makes it a flexible solution, as it harmonizes with both traditional combustion engines and newer technology vehicles. The unregulated push-pull topology ensures that energy consumption remains efficient, which is particularly important in vehicles with complex electronics.

What audio inputs does the ATOMO 2 use?

The ATOMO 2 uses high-quality Molex industrial standard inputs in the Micro-Fit configuration. These are called low/high-level inputs, which ensure that the audio connection remains constant and of high quality. The speaker output, on the other hand, is designed as a Mini-Fit. Such industrial standard connectors guarantee a long lifespan and minimal signal loss, contributing to excellent sound reproduction. Ideal for users who demand a high level of reliability and performance.

What electrical protection does the ATOMO 2 Amplifier have?

The ATOMO 2 is protected by a 15 A fuse, which safeguards the device from both short circuits and overloads. This protective feature is essential to ensure the longevity of the amplifier. Furthermore, the amplifier operates with a turn-on/turn-off voltage threshold of 9 V / 6 V to avoid unwanted switching on or off, which is particularly significant in the context of vehicle use.

What is the thermal shutdown limit of the ATOMO 2?

The thermal shutdown limit of the ATOMO 2 is set at 93 °C, with a tolerance of ± 5%. This feature protects the amplifier from overheating by automatically shutting down the device when the temperature is reached. This integrated safety measure is especially important during high power consumption or in environments with elevated temperatures. Particularly in automotive use, where high temperatures can be quickly reached, this protective function ensures reliable and safe operation.

How is the automatic turn-on of the ATOMO 2 activated?

The automatic turn-on of the ATOMO 2 is activated exclusively with high-level inputs. Once the device detects a sufficient signal from the audio source, it automatically turns on, allowing for easy operation without additional switches. A BTL source ensures the necessary remote detection. This function optimizes user-friendliness and ensures that the amplifier is ready for use as soon as the vehicle is started.

Manufacturer information / responsible person

Gladen Europe GmbH
Alexandra Gladen

Postal address:
Bertha-Benz-Str. 97
2141 Walddorfhäslach
Germany

Contact: info@gladen.com

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