System Configuration #1

4Ω (main)

Full-Range		For higher output, you can connect a subwoofer
Full-Range	Full-Range
		to two output channels. Look for the + and – to
		indicate the correct connections.

Subwoofer

Full-Range

1 Channel Bridged Subwoofer Mode

By electrically connecting a subwoofer speaker in the way shown above, you are able to greatly increase the output power delivered from the amplifier to the speaker. Such a circuit increases the voltage “swing” across the speaker which increase the power seen by a factor of 2 to 4 times that in stereo mode.

This is a very logical set-up for systems that are space limited to allow for only one subwoofer in a vehicle. The number and box

volumes are compensated by simply more amplifier power pushing a single speaker.

Such a configuration is also a surprisingly good performer. These increases in power are always welcome but you must take care to avoid low impedances (below 4 ohms) since most amplifiers will overheat and shut down if over-driven into such a configuration. You must also take care that you are not exceeding the thermal, or excursion, power limiting values for the woofer. Surprisingly high power levels can be achieved with such a system without realizing it thus quickly damaging the woofer.

SYSTEM CONFIGURATION #2

Full-Range	Full-Range

Subwoofer

Full-Range

2 Channel Dual Subwoofer Mode

The largest improvement in sound quality always comes when adding some kind of subwoofer via a dedicated subwoofer amplifier and electronics crossover. The electronic crossover

ensures minimal overlap of the bass response with the mid and high frequencies from the other speakers resulting in a more accurate performance compared to conventional coaxials with additional power.

By installing this amplifier in the stereo mode, you are able to drive two subwoofer speakers and in to low impedance loads (e.g., 2 ohms) without over heating the amplifiers. Also, such an installation more easily supports a standard 2 speaker woofer box that may already be constructed. Since two woofers can play 6 decibels louder than one at a given power (due to acoustical laws of “mutual-coupling”), the resulting sound pressure level is substantial. This is probably the most common use for a conventional two channel amplifier there is.

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PCA260, PCA2120 specifications

Blaupunkt, renowned for its commitment to quality audio products, has made significant strides in the audio landscape with its PCA series, particularly the PCA260 and PCA2120 amplifiers. These models are designed to elevate the listening experience, catering to both casual listeners and audiophiles alike.

The Blaupunkt PCA260 is a powerful 2-channel amplifier that boasts a peak power output of 260 watts. This model is engineered for efficiency and performance, featuring advanced circuitry that allows for high fidelity sound reproduction. With a frequency response range of 10Hz to 30kHz, the PCA260 ensures clarity across all musical genres, delivering deep bass and crisp highs. Its compact design makes it easy to install, while the built-in short-circuit protection and thermal protection safeguard the amplifier against common electrical failures.

In contrast, the PCA2120 offers a slightly lower power output at 210 watts, but is no less impressive. It is a versatile 2-channel amplifier that can be utilized in various audio setups, whether for home theater systems or car audio installations. The PCA2120 features adjustable input sensitivity, which allows users to fine-tune the sound output according to their preferences. Its low-noise circuitry ensures minimal distortion, making it ideal for critical listening environments.

Both models incorporate high-level inputs, making them compatible with a wide range of audio sources, including modern devices and older systems. They also feature RCA line-level inputs, which provide flexibility in connectivity options. Furthermore, the heavy-duty heat sink design ensures that both the PCA260 and PCA2120 maintain optimal performance even during prolonged usage.

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In summary, the Blaupunkt PCA260 and PCA2120 amplifiers are remarkable products that embody advanced audio technologies and robust features. With their powerful outputs, versatile connectivity options, and exceptional sound quality, they are poised to meet the needs of diverse audio enthusiasts, making them a worthy investment for elevating one's audio experience.