X1 Specifications

X1 Owner’s Manual

Gain

selectable 4 dB or

 

14 dB balanced output

 

selectable 4 dB or

 

14 dB single-ended output

Freq. Response

-3 dB @ 2 Hz,

 

-3 dB at @ 100 kHz

Distortion

< .1 % THD typically .003%

 

@ 2 volts @ 1KHZ

Maximum Output

10 volts rms bal out,

 

7 volts rms unbal out

Output Impedance

200 ohms unbalanced,

 

750 ohms balanced

Input Impedance

33 kOhm unbalanced,

 

66 kOhm balanced

CMRR

typical -55 dB, 1KHz

Crosstalk

typical -85 dB, 1KHz

Output Noise floor

< -125 dBV, 20Hz-20 KHz

External amp turn on

12 volts DC 50 mA

Power Consumption

35 watts

Dimensions chassis

17”W x 11.5 “D x 3.5”H each

Shipping Weight

46 pounds in packing carton.

“Pass”, “pass”, “Pass Labs”, “Pass Laboratories”, Supersymmetery”, “Aleph”, and “Zen” and are all registered trademarks of Pass Laboratories, Inc., and all rights thereto are protected by law.

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Pass Labs owner manual X1 Specifications, Cmrr

X1 specifications

Pass Labs X1 is a high-end preamplifier that embodies the very essence of cutting-edge audio engineering, combining advanced technologies with superior craftsmanship to deliver an exceptional sonic experience. Known for its neutral and transparent sound signature, the X1 is designed to serve as the heart of a high-fidelity audio system, providing precise control over volume and input selection while ensuring signal integrity is maintained.

One of the defining features of the Pass Labs X1 is its fully differential architecture. This design not only enhances noise rejection but also minimizes distortion, resulting in a clean and accurate reproduction of music. The X1 employs a direct-coupled topology, allowing for a wider bandwidth and increased dynamic range, essential for capturing the subtleties of any audio performance.

The X1 also integrates a sophisticated power supply, utilizing separate transformer windings for the analog and digital circuits. This isolation reduces cross-contamination between sections, which is crucial for maintaining the integrity of the audio signal. The power supply is supplemented by high-quality capacitors and regulators, ensuring that the preamplifier operates with stable voltage and low noise.

In terms of connectivity, the Pass Labs X1 offers a comprehensive array of inputs and outputs, including balanced XLR and unbalanced RCA connections. This versatility allows it to interface seamlessly with a variety of sources and amplifiers, making the X1 suitable for both audiophile and professional environments. Additionally, the preamp features a remote control for added convenience, allowing users to adjust settings from a distance without compromising sound quality.

Another notable characteristic of the Pass Labs X1 is its rugged build quality. Constructed using high-grade materials and meticulously tested, the unit not only looks elegant but is designed to last, providing years of reliable performance.

Ultimately, the Pass Labs X1 is a testament to the brand's commitment to excellence in audio reproduction. Whether used in a dedicated listening room or as part of a professional setup, the X1 delivers a listening experience that is both immersive and true to the original recording, making it an invaluable component for any serious music enthusiast or audio engineer.