BRAND: Pass Labs

SERIES: X150.8 Power amplifiers

TYPE: Power Amplifier

Pass Laboratories, Inc. was founded in 1991 by Nelson Pass.  Operating out of his shop at home, Pass developed prototypes of a single-ended Class A amplifier design.  At the same time, he and Mike Burley were constructing an in-house machine shop with three home-built CNC milling machines with which to produce the amplifiers when the design was finished.

OVERVIEW

As the entry-level class A/B stereo power .8 amplifier, the X150.8 features many of the same technical and sonic attributes of its larger brethren. It features 150 watts per channel, 100K ohm input impedance and operates “higher” into Class A than its predecessors. But knowing the ear is not a microphone and the brain is not a tape recorder, we’ve designed this model to bridge the gap between measured performance and outstanding subjective musical experience. Simply put, the X150.8 will compel you to listen to your entire music collection again and again.

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TECHNICAL SPECIFICATIONS

Class
AB

Type                                                    
Stereo

Gain (dB)                                   
26

Full Pwr @ 26 dB gain (V)                     
1.73

Low Frequency Response                     
1.5 Hz

High Frequency Response                    
100 KHz

Power Output /ch (8 ohm)                    
150

Distortion (1 KHz, full power)                
1%

 

 

Input Impedance (SE & BAL Kohms)     
50/100

Damping Factor                                   
150

Output Noise (uV)                                
200

Current Draw @ Idle (Amps)                
2.9

Power Consumption (Watts)                 
375

Temperature (deg C.)                           
53

Number of Chassis                               
1

Unit Dimensions (W x D x H)                
19 x 21.25 x 7.5

Unit Weight (LBS)                                
88

 

OTHER PRODUCTS: PRODUCTS / POWER AMPLIFIERS