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Audio Research Reference 750 SEL 旗艦單聲道後級

Audio Research Reference 750 SEL 旗艦單聲道後級

🌟 50 週年紀念型號,全球限量十對
🌟 750 瓦輸出,音色甜美,無限推力
🌟 世界最佳膽機品牌之一
🌟 自動偏壓,可配搭 KT150/KT120/KT88/6550 等 調校音色
🌟 美國原廠設計,製造


HK$600,000.00
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商品描述
***本店商品網上及門市同步銷售,系統有機會未及時更新,將會有職員致電聯絡。***
***有現貨的商品1-3個工作天內會跟進及寄出。訂貨約需2-4星期。***


POWER OUTPUT
750 watts per channel continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 0.5% at 750 watts, below .04% at 1 watt. Approximate actual power available at “clipping” 850 watts (1kHz). (Note that actual power output is dependent upon both line voltage and “condition” i.e. if power line has high distortion, maximum power will be affected adversely, although from a listening standpoint this is not very critical.)
POWER BANDWIDTH
(-3dB points) 15Hz to 150kHz.
FREQUENCY RESPONSE
(-3dB points at 1 watt) 1 Hz to 200 kHz.
INPUT SENSITIVITY
4.6V RMS Balanced for rated output. (24 dB gain into 8 ohms.)
INPUT IMPEDANCE
200K ohms Balanced.
OUTPUT TAPS
4, 8, 16 ohms.
OUTPUT REGULATION
Approximately 0.5dB 16 ohm load to open circuit (Damping factor approximately 17).
OVERALL NEGATIVE FEEDBACK
13dB.
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 1300 joules.
POWER REQUIREMENTS
105-130VAC 60Hz (200-270VAC 50Hz) 2100 watts at rated output, 2400 watts maximum, 800 watts at “idle”.
TUBES REQUIRED
8 Matched pair KT150 Power Output; 1 6550WE Regulator; 1 6H30 Regulator Amplifier; 1 matched pair KT150 Driver; 1 6H30 follower.
DIMENSIONS
13.5″ (34.3 cm) W x 23″ (58.4 cm) H x 20.8″ (52.8 cm) D. Handles extend 1.5″ (3.8 cm) forward and rearward.
WEIGHT
170 lbs. (77.2 kg) Net; 395 lbs. (180 kg) per pair shipped weight.
送貨及付款方式

送貨方式

  • 陳列室自取
  • 特別安排運送方式 (需與職員聯絡)
  • 順豐站取件 (運費到付)
  • 順便智能櫃取件 (運費到付)
  • OK便利店取件 (到付)
  • 順豐營業點 (到付)
  • 7-11便利店取件 (到付)
  • 辦公室/住宅地址直送 (經順豐速運) (運費到付)
  • 順豐站取件 (寄付)
  • 順便智能櫃取件 (寄付)
  • 辦公室/住宅地址直送 (經順豐速運) (寄付)
  • 雅詠同事直送+安裝

付款方式

  • 陳列室付款
  • 銀行轉帳/ATM
  • 轉數快
  • 信用卡
  • 八達通(Octopus)
  • 支付寶 (HK)
顧客評價
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