EMA 255

Bridged loudspeaker connections

The EMA amplifier can also be bridged for a mono configura- tion. This allows the amplifier to be used for one or several subwoofers or mid-range drivers. In this configuration, the amplifier combines the right and left channel to a single- channel output (mono output).

Note:

The amplifier can add the right and left signal information only if the right as well as the left RCA connection were carried out.

Caution:

In a bridge circuit, the amplifier load must be 4 ohm or higher. A lower load leads to an overheating or switch-off of the amplifier and can cause permanent damages.

Adjusting the type and range of the frequency crossovers

With the EMA 255, the type of frequency crossover (i.e. "Low Pass" or "Hi-Pass") and the desired entry frequency can be adjusted. For example, if a pair of subwoofers is to be con- nected, the low-pass settings shown are required (Fig. 3). The entry frequency is dependent upon the frequency range of the loudspeakers (see recommended frequency range of the loudspeakers).

High-Pass

At a setting of 80 Hz, the amplifier has a frequency range of 80 Hz to 30,000 Hz.

Low-pass frequency control

This control is active if the switch is in the position "Low-Pass", and allows for setting the desired entry frequency.

Example:

At a setting of 150 Hz, the amplifier has a frequency range of 10 Hz to 150 Hz.

Bass boost

The bass boost control is used to adjust the bass response of the amplifier.

The setting options are: 0 dB / +6 dB / +12 dB.

Power-on indicator (PWR / PRO)

Green LED:

Output stage on, regular operating status.

Red LED:

Output stage is electronically switched off due to an error.

Recycling and disposal

Please use the return and collection systems avail- able to dispose of the product.

Subject to changes

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Blaupunkt EMA 255 manual Bridged loudspeaker connections
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EMA 255 specifications

Blaupunkt, a renowned name in the automotive audio industry, proudly presents the EMA 255, a car amplifier designed to enhance your in-car audio experience. The EMA 255 is engineered for car audio enthusiasts who seek powerful performance coupled with compact design.

One of the main features of the Blaupunkt EMA 255 is its impressive power output. With a maximum power rating of 600 watts, this amplifier can deliver an astonishing 4 x 75 watts at 4 ohms, ensuring that listeners can enjoy crystal-clear sound and deep bass without distortion. This power makes it suitable for driving multiple speakers simultaneously, allowing for a more immersive listening experience.

The EMA 255 incorporates advanced Class AB technology, which results in high efficiency and minimal heat generation. This technology not only preserves the integrity of the audio signal but also ensures prolonged usage without the risk of overheating. Audio quality is paramount, and the EMA 255 delivers with a low total harmonic distortion (THD) rating, which means that the audio remains clear and true to the original source.

In addition to power and efficiency, the Blaupunkt EMA 255 provides a range of sound customization options. It features adjustable low-pass and high-pass filters, allowing users to fine-tune the output according to their preferences and the specific characteristics of their car audio system. This capability enables the blending of various components within the system, ensuring that each speaker performs optimally.

Another standout feature of the EMA 255 is its robust build quality. The amplifier is designed to handle the rigors of automotive environments, with a durable chassis that protects it from shocks and vibrations. Its compact size makes it easy to install in tight spaces, ensuring that it can be integrated into a variety of vehicles without compromising on performance.

Connectivity is made seamless with the EMA 255, equipped with RCA inputs for easy integration with head units and other audio components. The terminal block for speaker connections is designed for straightforward wiring, making installation a hassle-free process even for those new to car audio systems.

In summary, the Blaupunkt EMA 255 is an amplifier that combines power, quality, and versatility. Its advanced technology, customizable sound settings, and durable construction make it an exceptional choice for anyone looking to elevate their automotive audio experience. Whether you're a casual listener or an audiophile, the EMA 255 promises to deliver impressive sound quality on the road.
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