Accuphase C 2820

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PRECISION STEREO PREAMPLIFIER The C-2820 incorporates AAVA technology developed for the C-3800 and features strictly selected materials and parts.

 

Thông số kỹ thuật

●Frequency Response   BALANCED/LINE INPUT: 3 - 200,000 Hz +0, -3.0 dB

20 - 20,000 Hz +0, -0.2 dB

        AD INPUT (MM/40 dB, MC): 20 - 20,000 Hz ±0.2 dB

       AD INPUT (MM/30 dB): 20 - 20,000 Hz ±0.3 dB

●Total Harmonic Distortion (for all inputs)   0.005%

●Input Sensitivity,

Input Impedance

●Rated Output Voltage, BALANCED/LINE OUTPUT 2 V 50 ohms

  Output Impedance RECORDER REC (with AD input) 252 mV 200 ohms

Signal-to-Noise Ratio

AD-MM/30 dB INPUT: 94 Db/86 dB

AD-MM/40 dB INPUT/85dB/ 86 dB

AD-MC/60 dB INPUT: 80dB/86dB

AD-MC/70 dB INPUT: 73dB/87dB

BALANCED/LINE: 111dB/110dB

 

●Maximum Output Level (0.005% THD, 20 - 20,000 Hz)

BALANCED/LINE OUTPUT: 7.0 V

RECORDER REC (with AD input): 6.0 V

●Maximum Input Level BALANCED/LINE INPUT: 6.0 V

●Maximum AD Input Level MM [30/40 dB] INPUT: 310/96.5 mV

(1 kHz, 0.005% THD) MC [60/70 dB] INPUT: 9.5/3.2 mV  

●Minimum Load BALANCED/LINE OUTPUT: 600 ohms

Impedance RECORDER REC: 10 kilohms

●Gain (gain selector: 18 dB) BALANCED/LINE INPUT → BALANCED/LINE OUTPUT: 18 dB

LINE INPUT → REC OUTPUT: 0 dB

AD [ MM:30/40dB ] INPUT → BALANCED/LINE OUTPUT: 48/58 dB

AD [ MM:30/40dB ] INPUT → REC OUTPUT: 30/40 dB

AD [ MC:60/70dB ] INPUT → BALANCED/LINE OUTPUT: 78/88 dB

AD [ MC:60/70dB ] INPUT → REC OUTPUT: 60/70 dB

●Loudness Compensation 1: +2 dB (100 Hz), 2: +4 dB (100 Hz), 3: +6.5 dB (100 Hz)

●Headphone Jack Output Level: 2 V (40 ohms)

Suitable impedance: 8 ohms or above

Gain (LOW, MID, HIGH): ±10 dB from standard MID level

● Subsonic Filter 10 Hz: -18 dB/octave

●Attenuator −20 dB

●Power Requirements AC 120 V/220 V/230 V 50/60 Hz (Voltage as indicated on rear panel)

●Power Consumption 34 watts

●Maximum Dimensions Width 477 mm (18-3/4") Height 156 mm (6-1/8") Depth 412 mm (16-1/4")

(Depth 414 mm with AD-2820 installed)

●Mass 23.7 kg (52.3 lbs) net (24.6 kg (54.2 lbs) with AD-2820 installed)

31.0 kg (68.3 lbs) in shipping carton