Parasound 2125 V.2 manual AC Mains Voltage, Rear Panel Connections and Controls

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AC Mains Voltage

NOTE: Before you plug this amplifier into an AC mains outlet:

115v - 230v AC Voltage Selector Switch

This switch is found on the chassis rear panel. The 115V position of this switch is correct for North America; most other regions require setting it to 230V. Make sure the 115/230V switch is set for the correct AC line (mains) voltage before you connect the Model 2125 v.2’s power cord and before you install it. The unit may be seriously damaged if this switch is set incorrectly.

AC Voltage Warranty Exclusion

Amplifiers set for 115V which are damaged by 220V-240V are not covered under the Parasound Limited Warranty.

Rear Panel Connections and Controls

Always disconnect the AC cord to your Model 2125 v.2 before making or changing any input, output or trigger wire connections. Inserting or removing an input or output cable while the Model 2125 v.2 is turned on can result in a blast of sound that can damage your loudspeakers and your hearing. Make sure there is no strain or tension on any cables that could cause them to pull loose.

R (Right) and L (Left) Audio Input Jacks

Connect the shielded audio cables from your preamplifier or system Model 2125 v.2’s L and R audio Input jacks. Use only the R channel operation.

controller’s output jacks to the Input jack for bridged mono

Audio Loop Out Jacks

The jacks replicate the audio input signals to facilitate connections of other power amplifiers to the same preamplifier or system controller. Loop connection of multiple power amplifiers is called a ―daisy chain.‖ These Loop Out jacks also provide a convenient way to connect a powered subwoofer.

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Contents Model 2125 Important Safety Instructions Table of Contents Important Warranty information Thank You for Choosing ParasoundParasound Staff Keeping Records for Future Reference Placement Guidelines Unpacking Your Model 2125Ventilation Requirements AC Mains Voltage Rear Panel Connections and ControlsHigh Pass Filter Switch Front Panel Speaker Selector Lockout SwitchBridged Mono Switch Right and L Left Level KnobsBridged Mono Operation Speaker Wire Length and Gauge thicknessSetting Up the Model 2125 v.2 for Bridged Mono Operation Speaker TerminalsSingle 8 Ohm Speaker Single 4 or 6 Ohm SpeakerTwo 8 Ohm Speakers Audio Position Automatic on/off Turn On Options SwitchManual Position 12V Position Automatic on/offVolt Input Jacks 12V Loop Out Jack5mm and 2.5mm trigger jacks Front Panel Operation Unit Will Not Turn On Problems and RemediesAmp is Overheating or the Hi-Temp Indicator is Illuminated No Sound From the Speakers but amp turns onRepair or Service Are You Having Difficulty?Specifications Parasound Products, Inc McKinnon Ave, San Francisco, CA

2125 V.2 specifications

The Parasound 2125 V.2 amplifier stands out as a premier choice for audiophiles seeking high-quality sound reproduction combined with solid build quality. It is well-regarded for its ability to deliver powerful, clear audio while maintaining the signature warmth that is often associated with high-end audio equipment. With a sleek design and robust features, the 2125 V.2 is an excellent addition to any home theater or audio system.

One of the primary features of the Parasound 2125 V.2 is its high-power output. The amplifier is capable of delivering 125 watts per channel into 8 ohms and 185 watts into 4 ohms, allowing it to drive a wide range of speakers with ease. This power output supports dynamic sound reproduction, crucial for producing the subtleties in both music and movie audio tracks.

The amplifier employs a linear power supply with a toroidal transformer, which is known for its efficiency and low noise. This design choice enhances the overall performance by reducing electromagnetic interference and ensuring a clean power delivery to the amplification stages. The use of high-quality components throughout the amplifier, such as durable capacitors and low-noise transistors, further contributes to its reliability and auditory fidelity.

In terms of technology, the Parasound 2125 V.2 incorporates a class AB amplifier topology. This hybrid design offers the benefits of both class A and class B amplifiers, delivering robust performance with minimal distortion. This results in a smooth, warm sound signature that is pleasing for extended listening sessions. The amplifier also features a low-frequency filter for optimized performance when used in home theater setups, allowing it to handle various audio formats without compromising on quality.

Additionally, the Parasound 2125 V.2 is equipped with a variety of connections, including balanced XLR inputs as well as unbalanced RCA inputs. This flexibility makes it easy to integrate the amplifier into different audio systems while ensuring compatibility with a wide range of equipment. For added versatility, the amplifier includes a trigger input, enabling remote operation when paired with compatible devices.

The build quality of the 2125 V.2 is another standout characteristic. Housed in a rigid metal chassis, the amplifier not only looks elegant but also protects its sensitive internal components. The front panel features a straightforward design with easy access to volume control and indicator lights that provide real-time feedback on the amplifier’s status.

In conclusion, the Parasound 2125 V.2 amplifier offers a potent blend of power, sound quality, and flexibility, making it an excellent choice for music lovers and cinephiles alike. Its well-thought-out design and engineering reflect Parasound's commitment to delivering exceptional audio equipment that can satisfy even the most discerning listeners.
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