Rotel RMB-1585 Bedienungshandbuch PDF herunterladen (Seite 11)

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Troubleshooting

Most difﬁculties in audio systems are the result of incorrect connections,

or improper control settings. If you encounter problems, isolate the area

of the difﬁculty, check the control settings, determine the cause of the

fault and make the necessary changes. If you are unable to get sound

from the ampliﬁer, refer to the suggestions for the following conditions:

Power Indicator Is Not Illuminated

No main power to the ampliﬁer. Check the front panel power switch.

Make sure that it is set to the on position. Check AC power connections

at the ampliﬁer and the AC outlet.

Fuse Replacement

If another electrical device works when plugged into the power outlet,

but the Power Indicator of the unit does not light when plugged into the

same outlet and the Power Switch is pushed in, it indicates that the internal

power fuse may have blown. If you believe this has happened, contact

your authorized Rotel dealer to get the fuse replaced.

No Sound

If the amp is getting AC power, but is producing no sound, check the

Protection indicator on the front panel. If it is lit, see below. If not, check

all of your connections and control settings on associated components.

Protection Indicator

The front panel POWER indicator is blinking when the ampliﬁer protection

circuits have shut off the ampliﬁer. Typically, this occurs only when the

ventilation openings are blocked, when there is faulty speaker wiring, or

after a period of extreme use. Turn off the system and wait for the amp

to cool. Then push the front panel power switch in and out to reset the

protection devices. If the problem is not corrected or reoccurs, there is a

problem with the system or the ampliﬁer itself.

Speciﬁcations

RMB-1555

Continuous Power Output 120 watts/channel,

(20-20 kHz, < 0.03%, 8 ohms) 5 channels dirven

Total Harmonic Distortion < 0.03%

(20Hz-20kHz, 8 ohms)

Intermodulation Distortion (60 Hz : 7 kHz, 4:1) < 0.03%

Frequency Response (+0.5, –3dB) 10Hz - 100kHz

Damping Factor (20-20,000 Hz, 8 ohms) 180

Speaker Impedance 4 ohms minimum

Signal to Noise Ratio (IHF A network) 116 dB

Input Impedance/Sensitivity 12k Ohms/1.5 volt

Gain 26.5 dB

Power Requirements

U.S. version 120 Volts, 60 Hz

European version 230 Volts, 50 Hz

Power Consumption 650 Watts

Dimensions

Width x Height x Depth 431 x 188 x 454 mm

17 x 7

/2 x 17

/8 ins.

Front Panel Height 4U / 176.8mm / 7 ins.

Weight (net) 21.8kg / 48.1 lbs.

RMB-1585

Continuous Power Output 200 watts/channel,

(20-20 kHz, < 0.03%, 8 ohms) 5 channel driven

Total Harmonic Distortion < 0.03%

(20Hz-20kHz, 8 ohms)

Intermodulation Distortion (60 Hz : 7 kHz, 4:1) < 0.03%

Frequency Response (+0.5, –3dB) 10Hz - 100kHz

Damping Factor (20-20,000 Hz, 8 ohms) 260

Speaker Impedance 4 ohms minimum

Signal to Noise Ratio (IHF A network) 116 dB

Input Impedance/Sensitivity

Unbalanced 12k Ohms/1.9 volt

Balanced 50k Ohms/3.8 volt

Gain 26.5 dB

Power Requirements

U.S. version 120 Volts, 60 Hz

European version 230 Volts, 50 Hz

Power Consumption 800 Watts

Dimensions

Width x Height x Depth 431 x 237 x 454 mm

17 x 9

/8 x 17

/8 ins.

Front Panel Height 5U / 221mm / 8

/4 ins.

Weight (net) 36kg / 79.3 lbs.

All specifications are accurate at the time of printing.

Rotel reserves the right to make improvements without notice.

Rotel and the Rotel HiFi logo are registered trademarks of The Rotel Co, Ltd.,

Tokyo, Japan.

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