Audio Research Reference 250 SE Amplifier

Audio Research Reference 250 SE Amplifier

Categorie: Amplificatoare
Brand: Audio Research
Stare: Produs utilizat
Tip amplificator: Stereo
Tehnologie: Lampi
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The colour of the product is black.
For safe shipping it has the original boxes and accessories.

TECHNICAL SPECIFICATION

POWER OUTPUT: 250 watts per channel continuous from 20Hz to 20kHz.
1kHz total harmonic distortion typically 0.5% at 250 watts, below 0.04% at 1 watt.
Approximate actual power available at "clipping" 270 watts (1kHz).

POWER BANDWIDTH: (-3dB points) 5Hz to 70kHz.

FREQUENCY RESPONSE: (-3dB points at 1 watt) 0.5Hz to 110 kHz.

INPUT SENSITIVITY: 2.4V RMS Balanced for rated output. (25.5 dB gain into 8 ohms.)

INPUT IMPEDANCE: 200K ohms Balanced.

OUTPUT TAPS: 4, 8, 16 ohms.

OUTPUT REGULATION: Approximately 0.9dB 16 ohm load to open circuit (Damping factor approximately 10).

OVERALL NEGATIVE FEEDBACK: 8.8dB.

SLEW RATE: 20 volts/microsecond.

RISE TIME: 1.5 microseconds.

HUM & NOISE: Less than 0.2mV RMS – 110dB below rated output (IHF-A weighted, input shorted, 16 ohm output).

POWER SUPPLY ENERGY STORAGE: Approximately 900 joules.

POWER REQUIREMENTS: (260-250VAC 50Hz) 770 watts at rated output, 1000 watts maximum, 380 watts at "idle," 1 watt off.

TUBES REQUIRED: 3 Matched pair KT150 (Power output V1-6); 1 Matched pair KT150 (Driver V8-9); 2 6H30 (Gain stage V7 and Regulator Driver V10); 1 6550C (Regulator V11).

DIMENSIONS: (48.3 cm) W x (22.2 cm) H x (49.5 cm) D. Handles extend (3.8 cm) forward.

WEIGHT: 33 kg Net; 40 kg Shipping.

Made in U.S.A.

Detalii anunt

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