Pass Labs XA25

Entering their 22nd year of production, the X and XA power amplifiers have remained at the cutting edge of audio through continuous innovation and refinement. At Pass we build amplifiers with excessive output stages, huge heat sinks and massive power supplies. We use the highest quality components in simple linear topologies, assembled and tested with great care in Auburn, California. They measure well and sound great. They are heavy, reliable and expensive.

Specifications

Output Power: 25 Watts rms @ 8 ohms 50 Watts rms @ 4 ohms

Distortion: 0.1% @ 25 Watts, 8 ohms, 1 KHz

Class A envelope: 50 Watt peak for 2, 4 or 8 ohm load

Bandwidth: DC to -2 dB @ 100 KHz

Noise: Less than 50 uV output, unweighted 20 to 20 KHz

Damping Factor: 500

Slew rate: 100 V/uS

Input Impedance: 47 Kohm

Peak Current: 10 Amp output (200 Watt peak into 2 ohms)

Protection: Shutdown at 10 amps output

Idle Power draw: 2.0 Amps @ 120 VAC (240 Watts)

Reviews

"The Pass Labs is competitive with the various single-ended and push-pull vacuum tube amplifiers I have owned over the years in terms of what they do best, superb musicality along with beguiling visuospatial performance prowess.I enthusiastically recommend the Pass Labs XA25 stereo amplifier for everyone who loves music and the hifi hobby, I can't imagine any of you being disappointed with this amplifier, it is a true gem and destined to become a classic which other amplifiers are judged by." - Positive Feedback Read the full review by Posi+ive feedback here