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GreyBlank.gif (100 bytes) The PW1 Calibration Power Amplifier
Very small in size, the PW1 shows performance no other professional Power Amplifier can match.
It is designed for extreme quality work or laboratory measurements.
With its reasonable price, it may be used in any studio as Reference Power Amplifier for critical monitoring.


The Stellavox PW1 provides in standard 1 x coaxial unbalanced and 1 x balanced XLR inputs.
The PW1 uses an extremely fast circuit with extraordinary time accuracy providing unique transients reproduction.


Specifications

INPUTS
Standard Version: 1 XLR balanced and 1 x RCA Unbalanced.

OUTPUTS
Standard Version: 1 x 5 way binding post.

OUTPUT POWER

- Nominal Power : 200 W RMS (2 - 8 Ohms) - 120 W RMS (1 - 16 Ohms)
- Maximum Power : 250 W RMS (3 Ohms)
- Maximum Voltage : 45V peak. Maximum Current : > 20 A peak.

FREQUENCY RESPONSE
Figure valid for any power between 0 and nominal power (circuit only)
- +/- 1 dB, 6 Hz - 1 MHz.
- +/- 3 dB, 3 Hz - 1 MHz.

INPUT SENSITIVITY
- 1.4V unbalanced.
- 10 positions, 1db per step, input attenuator.

GROUP DELAY
Propagation delay < 100 ns stable with frequency from DC to 200 kHz
.

DISTORTION
Figures valid for all output levels between 0 and 25 V :
- Dynamic : TID < 0.01%
- Static : THD < 0.01 %.

SPEED
- Slew Rate > 240 V/us.
- Rise Time < 400ns.

NOISE
Weighted ASA A : > 120 dB.

OPERATING TEMPERATURE
- Room temperature : -30 to +40° Celsius (-22 to +104° Fahrenheit).
- Internal temperature : +45 to +65° Celsius (+113 to +149° Fahrenheit).

POWER SUPPLY.

- Nominal line voltage : 117 or 234 V.
- Input voltage range : +/- 15 %.
- Maximum power consumption : 350 W.

SIZE AND WEIGHT
15 cm W x 27 cm D x 6.5 cm H. - Weight : 4.2 kg net.

FINISH
Silver anodized metal Heat sink and cover. Available half-rack and full rack panels.

WARRANTY
1 year parts and labor.


The new Stellavox PW1 professional
Power Amplifier.