深不可測的實力: Audio Research REF 6+REF 250 SE 前後級

Audio Research Reference 6 前級規格
● Frequency Response: +0-3dB, 0.5Hz to 200kHz at rated output (Balanced, 200k ohms load).
● Distortion: Less than .01% at 2V RMS BAL output.
● Gain: Main output: 12dB Balanced output, 6dB SE output. Record out: 0dB (Processor input: 0dB SE output).
● Input Impedance: 120K ohms Balanced, 60K ohms SE. Inputs 4 balanced, 4 single-ended. Assignable processor passthrough.
● Output Impedance: 600 ohms Balanced, 300 ohms SE Main (2). 20K ohms minimum load and 2000pF maximum capacitance. Outputs (3): 2 main, 1 record out (XLR and RCA connectors).
● Output Polarity: Non-inverting.
● Maximum Input: 20V RMS BAL, 10V RMS SE.
● Rated Outputs: 2V RMS (1V RMS SE) into 200K ohm bal­anced load (maximum balanced output capability is 30V RMS at less than 0.5% THD at 1kHz).
● Crosstalk: -80dB or better at 1kHz and 10 kHz.
● Controls: Rotary encoders: Volume (103 steps), Select Input. Push Buttons: Power, Proc, Menu, Enter, Mono, Invert, Mute.
● Power Supplies: Electronically regulated low and high voltage supplies. Automatic 45 sec. warm-up/brown-out mute. Line regulation better than .01%.
● Noise: 1.7uV RMS residual IHF weighted balanced equiv­alent input noise with volume at 1 (109dB below 2V RMS output.)
● Tube Complement: (6)-6H30P dual triodes, plus (1 each) 6550C and 6H30P in power supply.
● Power Requirements: 100-135VAC 60Hz (200-270VAC 50/60Hz) 130 watts. Standby: 2 watts.
● Dimensions: Width 19” (48 cm), Height 7.8” (19.8 cm), Depth 16.5” (41.9 cm), Handles extend 1.6” (4 cm) forward of the front panel.
● Weight: 36.5 lbs. (16.6 kg) Net; 53 lbs. (24 kg) Shipping.

Audio Research Reference 250 SE 後級規格
●Power Output: 250 watts per channel continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 0.5% at
250 watts, below .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: 105-130VAC 60Hz (260-250VAC 50Hz) 770 watts at rated output, 1000 watts maximum, 380
watts at “idle,” 1 watt off.
●3 Matched pair KT150(Power output V1-6); 1 Matched pair KT150 (Driver V7-8); 2 6H30(Gain stage V9 and Regulator Driver V11); 1 6550C (Regulator V10)
●Dimensions: Width 19″ (48.3 cm) Height 8.75″ (22.2 cm) Depth 19.5″ (49.5 cm)
●Weight: 47 lbs. (21.3 kg) Net 63 lbs. (28.6 kg) Shipping

Dynaudio Contour S 5.4 落地喇叭規格
● Sensitivity: 87 dB (2,83 V/1 m)
● IEC Power Handling: 350 W
● Impedance: 4 Ohms
● Frequency Response: 30 Hz – 27 kHz (± 3 dB)
● Box Principle: 3-way bass-reflex
● Crossover Frequencies: 800 Hz / 2000 Hz
● Dimensions (W x H x D): 390 x 1460 x 410 mm 15.4 x 57.5 x 16.1″

鈦孚音響 (總代理): www.autek.com.tw
Audio Research: www.audioresearch.com
Dynaudio: www.dynaudio.com

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About Ted Chen

Ted Chen
MY-HIEND 資深編輯,主要負責採訪與器材測試的工作。