Description of Operation

X2.2 Owner’s Manual

the front panel. Input 5 (TAPE IN) is deliberately not available through the tape output connection. The tape input is designated for use with a tape recorder if you have one, and we have arranged that it will not place its output on the tape out, which will prevent you from accidentally creating a feedback connection with your tape machine.

The main outputs are located at the left-hand side (viewed from the rear) of the rear panel, two male XLR connectors, and two RCA connectors, “R” (right) and “L” (left). The RCA connectors’ ground is in parallel with pin 1 of the XLR outputs and the RCA hot is fed from an independent summing junction that maximizes the X circuit benefits. The RCA, single-ended outputs are buffered from the balanced outputs. You may use both the single ended and balanced outputs at the same time. On the XLR, pin 1 is ground, pin 2 is positive, and pin 3 is negative.

The rear 5-way binding post can be used to turn on any X series power amplifier.

In application the X2.2’s front panel controls and simple LED displays are quite straight forward, and intuitive. We encourage you to become familiar with their operation prior to establishing any input connections with this unit. Experience indicates that engaging in a few minutes of exploration and playtime will add much to your ultimate enjoyment of this exceptional Pass Labs product.

The front panel of the X2.2 has all its control functions moderated by five momentary pushbuttons. From left to right these buttons are labeled input, tape, volume (down), volume (up) and mute.

The input button has four associated blue LED’s located directly above the input switch. When the uppermost blue LED is lit it indicates that you have selected input number 1. With an additional push of the input selector button the second uppermost LED will be on, indicating you have selected input number 2. So it goes, the same pattern follows with input 3 and 4. An additional push of the input selection button when you are on input 4 will cycle the preamplifier back to input 1.

The second button from the left controls the tape loop, a blue LED directly above this switch indicating the status of this particular function. When the tape loop is active, this LED will be lit.

Immediately to the right of the tape loop control are the two volume

X2.2 specifications

The Pass Labs X2.2 is a distinguished line-level preamplifier that showcases the meticulous engineering and design philosophy of Pass Labs. Renowned for its exceptional performance and sonic fidelity, the X2.2 is a favorite among audiophiles who demand the best in audio reproduction.

One of the key features of the X2.2 is its fully balanced differential design. This architecture minimizes noise and distortion by employing a symmetrical signal path. The outcome is an incredibly clean signal that retains the integrity of the audio source, ensuring that music is reproduced in its most authentic form. With both balanced XLR and single-ended RCA inputs and outputs, the X2.2 offers versatility in connecting a variety of audio components.

The X2.2 integrates Pass Labs’ proprietary technology, which includes a high-quality power supply featuring a toroidal transformer. This transformer design not only provides efficient energy distribution but also reduces electromagnetic interference, leading to a more stable and noise-free performance. The power supply is critically important in the overall sonic presentation of the preamplifier, and Pass has taken extra steps to ensure it’s top-notch.

Another notable aspect of the X2.2 is its zero feedback design, which enhances the preamplifier’s transparency and dynamics. By avoiding feedback mechanisms that can mask subtleties in sound, the X2.2 excels in reproducing the most delicate nuances of music, allowing listeners to engage deeply with their favorite recordings.

The build quality of the X2.2 is exceptional. It features a robust chassis that is both visually appealing and functionally effective in minimizing vibrations. The front panel is sleek and straightforward, with a minimalist aesthetic that appeals to modern sensibilities. Additionally, the unit is designed for ease of use, making it simple to navigate through its various input options.

In conclusion, the Pass Labs X2.2 is more than just a preamplifier; it is a masterful blend of innovative technology, timeless design, and high-fidelity audio performance. Its balanced design, high-quality power supply, and zero feedback architecture set it apart from competitors, making it an excellent choice for those seeking an unparalleled listening experience. Whether for critical listening or casual enjoyment, the X2.2 delivers sound that inspires and captivates, embodying the essence of high-end audio.