Parasound 2125 V.2 manual Volt Input Jacks, 12V Loop Out Jack, 5mm and 2.5mm trigger jacks

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12 Volt Input Jacks

The Model 2125 v.2 12V input uses a 3.5mm jack (mono). To use the 12V trigger, insert the trigger wire plug into this jack and the plug at the wire’s other end into the AV receiver or preamp’s 12V output jack. We have included a 3.5mm to 3.5mm trigger wire as well as a 3.5mm to 2.5mm trigger wire.

Note: If the controller’s trigger output is a + and – terminal, you can cut the 3.5mm plug off one end of the included trigger wire and attach the bare wires to these terminals. The trigger plug tip is + (positive) and its sleeve – (negative).

12V Loop Out Jack

The Trigger Out jack lets you loop or ―daisy-chain‖ the incoming trigger voltage to an additional Model 2125 v.2 or another component(s).

Triggering multiple devices

The total load on your preamp’s trigger output(s) is the sum of the trigger current drawn by each of the components you’ve looped together. The Model 2125 v.2 trigger circuit draws a negligible 15 mA. Check the maximum capacity of your AV receiver, processor or home controller’s trigger outputs so you do not overload them by connecting too many power amplifiers. Typical ratings are 50mA to 100mA.

3.5mm and 2.5mm trigger jacks

Some other Parasound power amplifiers and preamplifiers might have 2.5mm ―sub-mini‖ trigger jacks. To use the Model 2125 v.2 with products that use a 2.5mm jack we have included a trigger wire with a 3.5mm plug at one end and a 2.5mm plug at the other end.

AC Power Cord

Model 2125 v.2 is supplied with a high quality IEC standard AC cord. Please connect it directly to an AC wall outlet or power conditioner that is always ―live.‖ If possible, plug your Model 2125 v.2 into the same AC outlet that your preamplifier is plugged into. If different AC outlets are used for the Model 2125 v.2 and the preamplifier the ground potential between the two outlets might be higher or lower, resulting in audible hum.

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Contents Model 2125 Important Safety Instructions Table of Contents Parasound Staff Keeping Records for Future Reference Important Warranty informationThank You for Choosing Parasound Ventilation Requirements Placement GuidelinesUnpacking Your Model 2125 Rear Panel Connections and Controls AC Mains VoltageRight and L Left Level Knobs Front Panel Speaker Selector Lockout SwitchBridged Mono Switch High Pass Filter SwitchSpeaker Terminals Speaker Wire Length and Gauge thicknessSetting Up the Model 2125 v.2 for Bridged Mono Operation Bridged Mono OperationTwo 8 Ohm Speakers Single 8 Ohm SpeakerSingle 4 or 6 Ohm Speaker 12V Position Automatic on/off Turn On Options SwitchManual Position Audio Position Automatic on/off5mm and 2.5mm trigger jacks Volt Input Jacks12V Loop Out Jack Front Panel Operation No Sound From the Speakers but amp turns on Problems and RemediesAmp is Overheating or the Hi-Temp Indicator is Illuminated Unit Will Not Turn OnAre You Having Difficulty? Repair or ServiceSpecifications 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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