INT-25

INT-25

The XA-25 amplifier is a special new design, and it follows that it has a story. You may understand that my nearly fifty years with power amplifiers has been an uneven progression towards the machine beauty that is the inspired mix of simplicity and performance, judged not only by measurements but also subjectively by listening to recorded music.

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Technical specifications  

Class
A (Integrated)
Inputs
Three (3) RCA
Remote
Yes
Gain
26 dB gain
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 150 uV output, unweighted 20 to 20 KHz
Damping Factor
500
Slew rate
100 V/uS
Input Impedance
48 Kohm
Peak Current
10 Amp output (200 Watt peak into 2 ohms)
Protection
Shutdown at 10 amps output
Idle Power draw
2.3 Amps @ 120 VAC (275 Watts)
Dimensions
17" W x 17.9" D x 6" H
Weight
51 lbs
Shipping Weight
56 lbs

Downloads  

Owner's Manual

CAD file

Spec sheet

Brochure