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 [신제품]ROTEL RA-03 인터그레이티드 앰프 |
작성자 |
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서울전자 |
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| 번 호 |
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47 |
작성일 |
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2005-05-24 |
조회수 |
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2207 |
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The RA-03 looks to expand upon the 02 Series success. The pre-amplifier section of the RA-03 is based on the award winning RA-02, which is combined with the power amplifier section of the critically acclaimed RB-03 power amplifier. As with all Rotel amplifier designs the circuit board layout employs techniques critical to achieve audiophile sound quality, utilizing components selected for both their technical and sonic qualities.
Separate ground paths for both signal routing and power supplies which incorporate copper bus-bars for high current sections.
Component selection has again been given great care and attention. The RA-03 features newly sourced American made low noise-resistors. The line stage op-amp and the op-amp that buffers the input stages from the line stage are also new Burr Brown devices. The output stages feature electronic protection circuits that automatically shut the amplifier down in the event of overheating or improper speaker cable connections.
A purpose designed, Rotel built toroidal transformer is complimented by British designed and built slit foil capacitors to provide the power supply of the RA-03. The RA-03 comes with a 02-Series “complete system” remote control The result: Superior resolution, a wider aural frequency range, deeper, more realistic bass and a big sound stage.
S P E C I F I C A T I O N S
Model: RA-03 Integrated Amplifier
Model Finishes:
Continuous Power Output
(20-20 kHz, < 0.03%, 8 ohms) 70 watts/channel
Total Harmonic Distortion (20Hz-20kHz) < 0.03% at rated power, 1/2 power or 1 watt
Intermodulation Dist. (60 Hz : 7 kHz, 4:1) < 0.03% at rated power, 1/2 power or 1 watt
Frequency Response Phono Input 20Hz-15kHz, ±0.3dB
Line Level Inputs 10Hz-100kHz, +1, –3dB
Damping Factor (20-20,000 Hz, 8 ohms) 180
Input Sensitivity / Impedance Phono Input 2.5mV / 47 kOhms
Line Level Inputs 150 mV / 24 kOhms
Input Overload Phono Input 180mV
Line Level Inputs 5V
Preamp Output / Impedance 1V / 470 Ohms
Tone Controls - Bass / Treble ±6 dB at 100Hz / 10kHz
Signal to Noise Ratio (IHF “A” weighted)
Phono Input 80 dB
Line Level Inputs 100 dB
Power Requirements USA Version 115 Volts, 60 Hz
European Version 230 Volts, 50 Hz
Power Consumption 300 W, 36 W - Idle, 3.7 W - Standby
Dimensions (W x H x D) 435 x 92 x 342 mm
17 1/8x 35/8x 13 1/2”
Panel Height 80 mm / 3 1/16”
Weight (net) 7.7 kg, 17 lbs.
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