28B-SST Amplifier

Technical Specifications

Power Output

1000 watts into 8Ω

 

 

Gain (Sensitivity) Select

 

"29 dB" gain setting = 1V sensitivity =

100 Watts output into 8Ω with a 1V input

 

 

1000 Watts output into 8Ω with a 3.2V input

"23 dB" gain setting = 2V sensitivity =

100 Watts output into 8Ω with a 2V input

 

 

1000 Watts output into 8Ω with a 6.4V input

Input Impedance

 

 

Single ended:

30KΩ

 

Balanced:

30KΩ each leg

 

Distortion IM or THD+noise

< 0.007% 20Hz to 20kHz at 1000 watts into 8Ω

Noise

Measured with input shorted - 20Hz to 20kHz. >110dB below rated output 29dB gain (- 75dBu) >113dB below rated output 23dB gain (- 78dBu)

Slew Rate > 60 volts per microsecond

Power Bandwidth < 1 Hz to over 100 kHz

Damping Factor Over 300 at 20 Hz, ref. 8 ohms

Dimensions: maximum dimensions for 19”w version with handles

48.3x 20.5 x 52.1cm (19w” x 8.05”h x 20.525"d) See page 6 for more complete details

Weight: approx. 36.4kg - 80 lbs

 

 

 

Power Consumption & Heat Load

 

 

 

Power consumption at Idle

≈ 215 Watts

 

 

Max. heat dissipation at idle

≈ 733 Btu/Hr.

 

 

Power consumption @ 1000W output into 8 ohms

≈ 1486 Watts

Max. Heat dissipation @ 1000 Watts output into 8 ohms

≈ 1658

Btu/Hr.

Maximum power output at onset of clipping into 8Ω

≈ 1300

Watts

Power consumption at 1300 Watts output into 8Ω

≈ 2640

Watts

Max. heat dissipation @ 1300 Watts output into 8Ω

≈ 4572

BTU/Hr

Power output under normal operating conditons (1/8th max. pwr.) ≈ 161 Watts

Current consumption under normal operating conditons

≈ 9.3 Amps

Max. heat dissipation @ 1300 Watts output into 8Ω

≈ 955 BTU/Hr

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