Rotel RB-1072 User Manual download pdf (Page 8)

RB-1072 Stereo Power Ampliﬁer

Speaker Wire Connections

The RB-1072 has two sets of color coded

terminals for each ampliﬁer channel. Having

two sets of terminals for each channel makes

it easy to biwire the speakers. The speaker

terminals accept bare wire, connector lugs,

or “banana” type connectors (except in the

European Community countries where their

use is not permitted).

Route the wires from the RB-1072 to the

speakers. Give yourself enough slack so you

can move the components to allow access to

the speaker connectors.

NOTE: Be sure to to notice the location of

the LEFT and RIGHT speaker terminals and

connect your LEFT and RIGHT speakers to

the correct outputs. Take extra care if using

two sets of wires to biwire your speakers.

If you are using banana plugs, connect them

to the wires and then plug into the backs of the

speaker connectors. When using banana plugs,

the collars of the binding post terminals should

be screwed in all the way (clockwise).

If you are using terminal lugs, connect them

to the wires. If you are attaching bare wires

directly to the speaker connectors, separate the

wire conductors and strip back the insulation

from the end of each conductor. Be careful

not to cut into the wire strands. Unscrew (turn

counterclockwise) the binding post collar. Place

the connector lug around the shaft, or insert

the bundled wire into the hole in the shaft. Turn

the collars clockwise to clamp the connector

lug or wire ﬁrmly in place.

NOTE: Be sure there are no loose wire

strands that could touch adjacent wires or

connectors.

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-1072, refer to the sugges

tions for the following conditions:

Front Panel Power Indicator Is

Not Lit

No main power to the RB-1072. Check AC

power connections at the ampliﬁer and the

AC outlet. Check the front panel power switch.

Make sure that it is set to the ON position. If

using 12V trigger power-on, make sure that

a trigger signal is present at rear panel 12V

TRIG IN jack.

No Sound

If the amp is getting AC power, but is producing

no sound, check the PROTECTION INDICATOR

on the front panel. If lit, see below. If not, check

all of your connections and control settings on

associated components. Make sure that your

input connections and speaker connections

match your system conﬁguration.

Protection Indicator Is Lit

The front panel PROTECTION INDICATOR

will light when the RB-1072 protection circuits

have shut off the ampliﬁer. Typically, this oc

curs only when the ampliﬁer has overheated,

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

Power Configurations 2 x 100 watts

Watts/Channel 100 watts, both channels driven, with 20KHz filter,

8 ohm load, 20-20 kHz, 0.02% THD

Total Harmonic Distortion

(20Hz-20kHz, 8 ohms)

Continuous Rated Power < 0.2%

One-Half Rated Power < 0.2%

One Watt per Channel < 0.2%

Power Output (4 ohms, 0.09% THD) 190 watts

Output Peak Current 11A

Intermodulation Distortion 60 Hz:7 kHz, 4:1 < 0.2%

Damping Factor (8 ohms) 200

Amp Gain 27.2dB

Input Sensitivity/Impedance 1.25 V / 9.9 k ohms

Frequency Response 10 - 40 KHz (±3dB)

Signal to Noise Ratio (IHF A) 109dB

Power Requirements

USA 120 volts, 60 Hz

Europe 230 volts, 50 Hz

Power Consumption 130 watts

21 watts - Idling

3 watts - Standby

Dimensions (W x H x D) 432 x 72 x 350 mm

/8 x 2

/8 x 13

/4 in

Panel Height (for rack mounting) 60 mm, 2

/8 in

Weight (net) 4.6 kg, 2.1 lb.

All specifications are accurate at the time of printing.

Rotel reserves the right to make improvements without notice.

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Rotel RB-1072 User Manual Page 8

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