Manuals / Parasound / Home Audio / Stereo Amplifier

Parasound 5125 manual Automatic Turn On and Off

Models: 5125

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6REAR PANEL CONNECTIONS AND CONTROLS continued

Automatic Turn On and Off

Auto Turn On Switch

For convenience, there are two ways the Model 5125 can be triggered to turn on automatically.

•When a suitable voltage is applied to its 12V In (input) jack.

•When an audio signal is present at the channels 1 and 2 audio Input jacks.

When either automatic turn on is selected the Model 5125 front panel Power button is disabled so that on/off is determined solely by the triggering preamp or system controller.

12V Position

When the Auto Turn On switch is set to its 12V position, the Model 5125 is turned on and off with an external +9 V to + 12 V voltage from your preamp or controller. When the external voltage ceases the Model 5125 will turn off immediately. The 12V switch position disables the front panel Power button.

Man (Manual) Position

When the Auto Turn On switch is in its MAN (manual) position, the auto turn on function is disabled and the Model 5125 must be turned on and off manually with the Power button on its front panel.

Audio Position

When the Auto Turn On switch is set to its Audio position, the Model 5125 will be turned on whenever an audio signal is present at its Input jacks for Channels 1 and 2. After the audio sig- nals cease the Model 5125 remains on for about ten minutes. This prevents unintended turn-off during pauses in your music or movies. The Audio position of the Auto Turn On switch also dis- ables the front panel Power button.

Note: If the Model 5125 is driving only the surround, center, or rear channels you will achieve more consistent automatic turn on by using the 12V DC trigger. At the beginning of most films the surround levels are lower than the minimum level required by the Audio sensing circuit.

12V In Jack

The Model 5125 12V input uses a 2.5mm sub-mini jack. To trigger the Model 5125, insert the plug at one end of the provided trigger wire into this jack and the other plug into the source component’s trigger output jack. Some components, including most Parasound Surround Controllers, may use a 3.5mm mini jack for trigger output, so we have also included a 3.5mm plug - 2.5mm adapter for your convenience.

Note: If the controller’s trigger output is a + and - terminal, you can cut the 2.5mm plug off one end of the included trigger wire and attach the bare wires to these terminals. The lead with the white stripe on it corresponds to the plug’s tip and the unmarked lead corresponds to the sleeve of the plug.

Note: If the trigger voltage source is DC, the trigger plug tip must be + (positive) and its sleeve

– (negative).

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Parasound 5125 manual Automatic Turn On and Off
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5125 specifications

The Parasound 5125 is a highly regarded power amplifier designed for both critical listening and home theater applications. Renowned for its performance, the Parasound 5125 combines advanced technologies and user-friendly features, making it an attractive choice for audiophiles and casual listeners alike.

One of the standout attributes of the Parasound 5125 is its robust power output. It delivers 125 watts per channel into 8 ohms and 200 watts into 4 ohms, providing ample power for driving a wide variety of speakers, from bookshelf models to larger floor-standing designs. This level of power ensures that the amplifier can comfortably handle dynamic peaks found in music and film soundtracks, producing clear and impactful audio without distortion.

The Parasound 5125 incorporates the renowned patented "Halo" technology, which is designed to minimize distortion while maximizing sound quality. This technology includes a high-current design that allows the amplifier to maintain a tight grip on the speaker, thus delivering precise control over transients. This results in greater sonic detail, lifelike imaging, and an overall more engaging listening experience.

Additionally, the amplifier features a fully balanced input design that helps to reduce noise interference, delivering a cleaner and more accurate signal to the output stage. This balanced input is complemented by gold-plated RCA inputs, offering versatility in connectivity options. The robust construction of the Parasound 5125 includes a heavy-duty chassis, which helps in minimizing vibrations that can negatively impact audio performance.

Another notable characteristic is the efficient thermal management system in the Parasound 5125. It utilizes a low-noise fan that activates only when necessary, maintaining optimal operating temperatures while remaining discreet in terms of noise production. This feature allows the amplifier to operate continuously without overheating, ensuring reliability during extended listening sessions.

In terms of aesthetics, the Parasound 5125 boasts a sleek and modern design, characterized by its elegant front panel and blue LED indicators. It's not only built for performance but also harmonizes well with contemporary home theater setups.

Overall, the Parasound 5125 stands out for its combination of powerful output, innovative technology, and solid build quality. It is designed to deliver exceptional audio performance, making it an ideal choice for anyone looking to enhance their audio system with a reliable and high-performing power amplifier.