Pass Labs X250 owner manual Pass

Page 14

X250 SPECIFICATIONS

All figures obtained after 1 hour warmup, with regulated 120 VAC power line. See manual notes about AC power line regulation.

Gain

30 dB

 

 

 

Freq. Response

-0 dB at DC, -3 dB at 100 kHz

 

 

 

Power Output

250 watts maximum @ 1% THD, 1 kHz, 8 ohms

 

 

Distortion

refer to accompanying distortion curve

 

 

 

Maximum Output Voltage

plus, minus 65 volts

 

 

 

Maximum Output Current

plus, minus 20 amps

 

 

 

Input Impedance

22 kohm balanced

 

 

 

Damping factor

250 ref 8 ohms nominal

 

 

 

Slew rate

plus, minus 50 V/uS

 

 

 

Output Noise

300 uV unweighted 20-20 kHz

 

 

 

Random noise floor

approximately 2 uV

 

 

 

Dynamic range

148 dB (random noise floor to peak output)

 

 

Balanced CMRR

-85 dB @ 1 kHz (input common mode rejection ratio)

 

DC offset

< 100 mv

 

 

 

Power Consumption

270 watts idle, 1000 watts maximum

 

 

 

Temperature

20 degrees C. above ambient at idle

 

 

 

Dimensions

19 " W x 22" D x 9.5" H

 

 

 

Shipping Weight

100 lbs.

PASS

 

 

 

 

 

Pass Labs

 

 

PO Box 12878

 

Reno NV 89510-2878

 

 

www.passlabs.com

 

tel:

(530)

367

3690

 

fax:

(530)

367

2193

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X250 specifications

The Pass Labs X250 is a distinguished power amplifier that showcases the brand's commitment to delivering high-quality audio performance, blending robust engineering with innovative technology. Known for its exceptional build quality and sonic capabilities, the X250 is designed for audiophiles and music enthusiasts who demand the best from their audio equipment.

At its core, the X250 is a Class A/B amplifier, which means it combines the efficiency of Class B with the superior sound quality of Class A. This hybrid design allows the amplifier to deliver high power output while maintaining low distortion levels, resulting in a clean, dynamic sound that captures the essence of the original recording. The amplifier delivers 250 watts into 8 ohms and 500 watts into 4 ohms, making it suitable for driving a wide range of loudspeakers with ease.

One of the standout features of the X250 is its use of Pass Labs' proprietary “Bias Current” technology. This innovative system optimizes performance by ensuring that the output devices operate in their most linear region, reducing crossover distortion and enhancing the amplifier's overall sound quality. This results in a more accurate and natural reproduction of audio, appealing to listeners who seek fidelity above all else.

Another notable characteristic of the X250 is its impressive dynamic range. The amplifier is designed to handle transient peaks with confidence, preserving the impact and nuance of musical passages, whether it's the delicate pluck of a guitar string or the thunderous notes of a full orchestra. The low noise floor further enhances the listening experience, allowing even the quietest details to be heard clearly.

The build quality of the X250 is equally impressive, featuring a rugged chassis and high-grade components that ensure durability and reliability. With its elegant appearance, the amplifier is not only a functional piece of equipment but also an attractive addition to any audio setup. The attention to detail in the design is evident, with a focus on minimizing vibrational interference and maintaining signal integrity.

In conclusion, the Pass Labs X250 is a remarkable power amplifier that combines advanced technology with exceptional sound quality. Its Class A/B design, Bias Current technology, and high power output make it a versatile choice for a wide range of audio applications. For those who value both performance and aesthetics, the Pass Labs X250 stands out as a superb option in the realm of high-fidelity audio amplification.