Rotel RB1090 Bedienungsanleitung PDF herunterladen (Seite 9)

9

Specifications

Continuous Power Output

(20-20 kHz, < 0.03%):

380 watts/ch into 8 ohms

700 watts/ch into 4 ohms

Total Harmonic Distortion

(20Hz-20kHz, 8 ohms):

< 0.03%

Intermodulation Distortion

(60 Hz : 7 kHz, 4:1):

< 0.03%

Frequency Response (±1 dB):

10Hz-100kHz

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

1000

Speaker Impedance (combined load):

4 ohms minimum

Signal to Noise Ratio (IHF A network):

125 dB

Input Impedance/Sensitivity:

33 k Ohms/1.8volt

Power Requirements:

115 Volts, 60 Hz (USA)

230 Volts, 50 Hz (EC)

Power Consumption:

800 Watts

Dimensions (W x H x D):

440 x 240 x 398 mm

17

3/8 x 91/2 x 153/4 in

Weight (net):

38 kg, 83.6 lb.

All specifications are accurate at the time of

printing.

Rotel reserves the right to make improvements

without notice.

THX and the THX logo are registered trademarks

of Lucasfilm Ltd. All rights reserved.

English

Troubleshooting

Most difficulties in audio systems are the result

of poor or wrong 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 RB-1090,

refer to the suggestions for the following con-

ditions:

Front Panel Power Indicator

Is Not Lit

No main power to the RB-1090. 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.

No Sound

If the amp is getting AC power, but is pro-

ducing no sound, check the

PROTECTION IN-

DICATORS on the front panel. If lit, see below.

If not, check all of your connections and con-

trol settings on associated components. Check

the

INPUT SELECTOR SWITCH on the RB-1090

back panel to be sure that its setting matches

the type of input you are using.

Protection Indicator Is Lit

The front panel PROTECTION INDICATORS light

when the RB-1090 protection circuits have

shut off the amplifier. Typically, this occurs

only when the ventilation openings are

blocked, when there is faulty speaker wir-

ing, 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 ampli-

fier itself.

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