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Hertz DPower 1 amplifier

1-channel amplifier, 1 x 180 W RMS (4 Ω) / 1 x 300 W RMS (2 Ω), class D
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Hertz DPower 1 amplifier

Hertz DPower 1 amplifier

Excellent for upgrading OEM systems, the Hertz DPower 1 amplifier is extremely compact and allows for easy installation in the tight spaces of modern vehicles. The efficient class D circuit provides 600 W of maximum power in a compact size, which is a basic requirement for vehicle integration. The bass boost function boosts 45Hz up to 12dB to increase the punch of the subwoofer. Dual "Speaker & RCA Inputs" allow the DPower 1 to connect to any source, be it an OEM or aftermarket car stereo. For integration with OEM systems, the DPower 1 is equipped with intelligent automatic on and off according to the factory car radio.
    Catalog numberDPOWER 1
    BrandHertz
    LinksOfficial web presentation
    Number of amplifier channelsAmplifiers are divided into:
    - Monoblocks
    - 2-channel
    - 3-channel
    - 4-channel
    - 5-channel
    - 6-channel
    - multi-channel

    Each channel is used to power one speaker for the coaxial type, or one side if they are component speakers.

    Monoblock type amplifiers are mainly used for subwoofers.

    2-channel are suitable for both subwoofers and, for example, the front pair of speakers in a car.

    3-channel is used for front or rear speakers + subwoofer.

    4-channel are used for front + rear speakers or 1 pair of speakers + subwoofer.

    6 or 5-channel are used for 2 pairs of speakers + subwoofer, most often.

    Bridging means connecting the amplifier to a bridge, using the + pole from one channel and the - pole from the other channel. In most cases this is shown as "BRIDGED" on the amplifier.
    Monoblock
    Energy class of the amplifierAmplifiers are divided into two basic classes: analog and digital . Analog amplifiers (A/B) have higher consumption requirements, but usually have a more natural sound. Digital amplifiers (D) have significantly lower consumption and higher efficiency, but the sound may not be as faithful as with classic analog amplifiers. D
    RMS power into 4 ΩRMS power when loading speakers or subwoofer at 4 Ω. RMS power is the constant power of the amplifier and is one of the most important parameters when choosing an amplifier. 1 x 180W
    RMS power into 2 ΩRMS power when loading speakers or subwoofer at 2 Ω. RMS power is the constant power of the amplifier and is one of the most important parameters when choosing an amplifier. 1 x 300W
    Low-pass filter (LPF)LPF / LP or "low pass filter" offers the possibility to adjust the amplifier using a potentiometer so that the lower band plays only the frequencies in a certain band that you need. This filter is used to adjust the frequency range for the subwoofer, so that it does not overload or distort the sound.

    Example:
    Amplifiers most often have an LPF from 20 to 300 Hz. We recommend setting this potentiometer in the range of 45-80 Hz.
    50 - 220 Hz @ 12 dB/Oct.
    Frequency rangeThe ability of the amplifier to reproduce the signal from the lowest frequency to the highest = faithfully reproduce the sound in a specific frequency band.

    Professionally:
    In the frequency range from 40 to 16,000 Hz, the vast majority of fundamental and overtones (harmonics) of all musical instruments are found. We are interested in the course of the radiated sound pressure in this range of frequencies when the loudspeaker system is supplied with constant power. We call this course the frequency characteristic, which tells us the level of radiated sound pressure in decibels (dB) depending on the frequency. The frequency characteristic of a speaker or speaker system can be expressed most succinctly with a graph.

    Mostly, however, the frequency characteristic is indicated by indicating the maximum tolerance of the sound pressure in the given frequency range, e.g. 50 to 15,000 Hz -+ 6 dB. Since the frequency characteristics of loudspeakers and systems in general are quite uneven, some manufacturers do not even specify this maximum tolerance of sound pressure in decibels in their catalogs for reasons of prestige. Data impoverished in this way is unfortunately worthless. What is valid is that the manufacturer offers a speaker system with a frequency range of 30 to 20,000 Hz, if he is worried about stating the maximum unevenness of the sound pressure in this range, because he can have a tolerance of, for example, +- 20 dB.

    The unevenness or undulation of the frequency curve in good speaker systems for high-quality music performance should not exceed +-3 dB in the 80 to 12,000 Hz band and +-6 dB in the 40 to 16,000 Hz band. Greater unevenness already depletes or emphasizes certain tonal areas, which can cause audible or even disturbing distortion. The proportion between fundamental tones and higher harmonics also changes, thereby changing the color of the sound, and individual musical instruments as well as the entire musical image sound unnatural.
    10 - 500 Hz
    Harmonic Distortion (THD)Total harmonic distortion indicates how much the input signal is distorted in the amplifier. Distortions appear as overtones contained in the output signal. The proportion of originally absent parts of the signal is given as a percentage, typical values are between 0.001% and 0.5%.

    Distortion is measured in their power band. If it exceeds the limit of 0.7% from a certain power, it is the value of the output power of the given amplifier, from which it no longer plays without distortion and from which the distortion usually increases steeply, so that no further increase in power can be counted on. The lower the value, the better.
    0.1%
    Signal-to-noise ratioThe signal-to-noise ratio means that the output signal always contains noise. The signal-to-noise ratio expresses how much of this noise is compared to the useful signal. The so-called A value is given, which does not take deep and very high frequencies into account. This corresponds to the characteristic of human hearing, which is not so sensitive to deep frequencies, especially below 1 kHz. The higher the value, the better the amplifier is. 105 dB
    Damping factorDF - Damping Factor . It is the ratio of the load (repro + cables, crossover, etc.) to the internal resistance of the amplifier. The bigger the DF, the more controlled the bass. Amplifiers with a lower DF tend to hum. Subwoofers with a higher Q in the bass reflex and sometimes in the enclosure will also cause humming. 100
    Remote control included in the packageSome models of amplifiers also come with wired remote controls in the package, which on one side plug into the amplifier and on the other side you have a potentiometer that you can place anywhere in the cabin. A common place to place the remote control is under the steering wheel. The advantage is the regulation of power, and therefore volume, depending on driving conditions and the mood of the crew in the car. No (optional)
    Dimensions of the amplifier222.2 x 160 x 50.5 mm
    Mass1.61 kg

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