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SONIC FRONTIERS POWER 3

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Technic details

Specifications

Type:
Monoblock Power Amplifier
Power output:
220W continuous (At 8, 4 and 2Ω, 20Hz to 20kHz with less than 1% THD with rated load (Typically <0.5%, 220W, 1kHz)
Approx. 240W RMS (Actual power output available at clipping, defined as <1% THD)
Intermodulation Distortion:
<1% (20Hz to 20kHz @220W output)

Power Bandwidth:
15Hz to 60kHz, -0.5dB
5Hz to 120kHz, -3dB
Frequency Response:
5Hz to 75kHz, -0.5dB @1W output
2Hz to 150 kHz, -3dB @1W output
Input Sensitivity:
2.2V RMS balanced for 220W output
2.2V RMS single-ended (Inverting or non-inverting)
Input Impedance:
200KΩ balanced
100K ohms single-ended (Inverting or non-inverting)
Damping Factor:
>50 (Determined using the IHF method from RS-490)
Output Impedance:
0.25Ω at 1 kHz
Negative Voltage Feedback:
18dB
Hum and Noise:
Approx. 400mV of wideband, unweighted noise @ the 8Ω taps, input muted
-110dB below a 220W output
Rise Time:
2.8µsec.
Slew Rate:
19V / µsec.
Tube Complement:
8 x 6550C or KT88 (Power output)
4 x 6922 (Input / driver)
2 x 5687 (High voltage driver)
Power Requirements:
AC 110 -120V, 60 Hz
Power Consumption:
580VA at rated output
650VA maximum
375VA with no signal input

Dimensions (W x H x D):
460 x 230 x 560mm
Weight:
Approx. 45kg (Net)
Year:
1996

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