3. Cento CP 1.2K

Cento CP 1.2K

1200 Watt

Cento CP 1.2K

Technical Highlights

  • Maximum power: 1200 W RMS @ 2 Ω, minimum impedance: 2 ohms.
  • Efficiency at 89%, low distortion: 0.03% at 100 Hz.
  • Signal-to-noise ratio: 102 dBA, damping factor: 140.
  • More technical details
€379.05
-24% €499.00 €379.05
2% discount with credit card

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ProductCento CP 1.2K

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1 year extra warranty

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Warranty terms
Hertz-Cento CP 1.2K-1-Kanal Verstärker-masori-kaufen
€379.05
€499.00 €379.05

The Cento CP 1.2K by Hertz is a 1-Channel Amplifier of Class D with an efficiency of 89 percent. It features a compact aluminum die-cast housing and is designed for an operating voltage of 9 to 18 VDC. The power output is 650 watts RMS at 4 ohms and 1200 watts RMS at 2 ohms. Technical features include a universal speaker simulator, a damping factor of 140 at 1 kHz, and a signal-to-noise ratio of 102 dBA. Adjustable crossovers, a low-pass crossover filter, a subsonic filter, and bass boost at 50 Hz are integrated. The frequency range extends from 10 Hz to 500 Hz.

Features
  • 1-Channel Amplifier
  • Amp Class: D
  • Power: 650 watts RMS at 4 ohms
  • Power: 1200 watts RMS at 2 ohms
  • Efficiency: 89 percent
  • Aluminum die-cast housing
  • Adjustable crossovers
  • Bass boost (50 Hz): 0 - 9 dB
  • Universal speaker simulator
  • Sub-remote for volume
Technical Specifications
  • Operating voltage: 9 - 18 VDC
  • Nominal supply voltage: 11 - 15 VDC (2 x 35 A)
  • Bandwidth at -3 dB: 10 Hz - 500 Hz
  • Damping factor at 1 kHz, 1 W: 140
  • Signal-to-noise ratio: 102 dBA
  • Distortion (THD) at 100 Hz: 0.03 percent
  • No-load current: 0.85 A
  • Standby power consumption: 4.5 µA
  • Minimum load impedance: 2 ohms
  • Pre-in sensitivity: 0.32 - 8 VRMS
  • Speaker input sensitivity: 1.6 - 40 Veff
  • Sub-channel low-pass: OFF / 50 - 250 Hz at 24 dB/Oct.
  • Subsonic high-pass: OFF / 25 Hz at 24 dB/Oct.
  • Preamp output: High-pass 50 - 250 Hz at 12 dB/Oct.
  • ART – Automatic on/off via SPK-IN: 1.5 VDC

Frequently Asked Questions about Cento CP 1.2K

What power supply does the Hertz CP 1.2K Amplifier require?

The Hertz CP 1.2K Amplifier requires a nominal power supply voltage of 11 to 15 VDC with a fuse rating of 2 x 35 A. The operating voltage range is between 9 and 18 VDC, providing flexibility in different vehicle environments. In idle mode, the amplifier draws only 0.85 A, while the standby current consumption is kept to a minimal 4.5 µA to preserve the vehicle battery. At maximum music power and minimal load impedance, the current consumption is 50 A, highlighting its energy demand under load. Additionally, the amplifier features a remote input with a range of 4 to 17 VDC at 1 mA.

How efficiently does the Hertz CP 1.2K Amplifier operate?

The Hertz CP 1.2K Amplifier is a Class D amplifier that operates with a high efficiency of 89%. This efficiency allows most of the energy consumed to be converted into output power, minimizing heat generation and reducing the load on the vehicle battery. Higher efficiency also means that the amplifier operates more reliably under various operating conditions and provides optimal sound reproduction. Especially when listening to power-intensive music, the efficiency of the CP 1.2K ensures that energy is used optimally without unnecessary losses.

What distortion rate does the CP 1.2K offer at 70% nominal power?

The Hertz CP 1.2K Amplifier has a very low distortion rate of 0.03% when operated at 100 Hz at 70% of its nominal power. This low Total Harmonic Distortion (THD) rate is crucial for the clarity and quality of music playback. With such low distortion values, the sound is reproduced almost faithfully and without audible impairments, which is essential for audiophile applications. Even at high volume levels, the sound remains precise and clean, making the CP 1.2K particularly attractive to quality-conscious users.

What output power does the Hertz CP 1.2K Amplifier deliver at different impedances?

The Hertz CP 1.2K Amplifier delivers impressive output power at different load impedances. At an impedance of 4 Ohms, the amplifier outputs 650 Watts RMS, while at a 2 Ohm load, it provides a full 1200 Watts RMS. The ability to reach high power levels allows the amplifier to effectively drive even demanding speaker systems. This flexibility in power delivery means that the CP 1.2K Amplifier is an excellent option for users seeking maximum sound performance without compromising on sound quality. For power-intensive applications, the CP 1.2K is the ideal choice.

What is the signal-to-noise ratio of the Hertz CP 1.2K?

The signal-to-noise ratio (SNR) of the Hertz CP 1.2K Amplifier is an impressive 102 dBA, measured at an input level of 1 V with A-weighting. A high SNR value like this means that the amplifier is capable of processing signals with minimal noise interference, resulting in clear and pure audio playback. This is particularly important for demanding audio applications where the fine details of sound reproduction matter. The high SNR of the CP 1.2K ensures that the quality of playback remains at a high level, which can be crucial for music lovers.

What filter options does the Hertz CP 1.2K Amplifier offer?

The Hertz CP 1.2K Amplifier is equipped with several filter options that allow for precise adjustment to the audio system. It features a high-pass filter with adjustable frequencies from 50 to 250 Hz at 12 dB/octave, ensuring optimal frequency separation. Additionally, it has a variable low-pass filter that can also be adjusted from 50 to 250 Hz at 24 dB/octave. There is also a subsonic filter setting that can be set to off or 25 Hz at 24 dB/octave, and a bass adjustment from 0 to 9 dB at 50 Hz. This flexibility allows for precise sound tuning.

What inputs and sensitivities does the CP 1.2K offer?

The CP 1.2K Amplifier from Hertz features versatile input options including a preamp input and speaker input, making it compatible with various audio sources. The pre-in sensitivity ranges from 0.32 to 8 VRMS, while the speaker input sensitivity varies between 1.6 and 40 Veff. These settings ensure that the amplifier can work with both low-level and high-level signals, facilitating the integration of the amplifier into different audio systems. This provides flexibility and compatibility to meet the specific requirements of each audio installation.

How does the automatic on/off switching of the CP 1.2K work?

The Hertz CP 1.2K is equipped with an ART function that allows for automatic on and off switching via the speaker input when a BTL radio is used. This function is activated at a voltage of 1.5 VDC. This practical feature ensures that the Amplifier automatically turns on as soon as an audio signal is detected from the radio and turns off accordingly when the signal ceases. This relieves the user from having to manually turn it on or off and also protects the Battery from unnecessary power consumption when the audio system is not in use.

What damping factors does the Hertz CP 1.2K offer at 1 kHz?

At a frequency of 1 kHz, the Hertz CP 1.2K Amplifier provides a damping factor of 140 at 1 W. The damping factor is a measure of an amplifier's ability to control the movements of a speaker, leading to more precise sound reproduction. A higher damping factor means that the Amplifier has better control over the speaker, which results in tighter and cleaner bass, especially at low frequencies. This leads to clearer and more precise sound, which is essential for high-quality music and audio playback.

What installation tips and compatibility aspects are there for the CP 1.2K?

The Hertz CP 1.2K Amplifier is a single-channel Class D amplifier that must meet essential installation requirements for optimal performance in a vehicle. Due to the power supply of 11 to 15 VDC, it should be installed in vehicles with the appropriate electrical system. The minimum load impedance of 2 ohms must be observed to avoid overload. When installing regarding placements, the efficiency of 89% must be considered, meaning that the Amplifier operates efficiently and contributes to longevity when placed correctly. Since no specific car brand or model is specified, the dimensions of the Amplifier are crucial for its placement.

Manufacturer information/responsible person

Elettromedia SpA
62018 Potenza Picena (MC)
Strada Regina km 3,500
Italy

Contact person:
Simone Iampieri
Executive Director Assistant
T +39 0733 870 813
Elettromedia SpA
62018 Potenza Picena (MC) Italy
Strada Regina km 3,500
T + 39 0733 870 870

Contact: simone.iampieri@elettromedia.it

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