Rolls RA2100b Manuel utilisateur

RA2100b Power

Amplifier

The RA2100b

is an ideal installation amplifier for

small to medium sized applications

The unit is built

solid and housed in a painted steel chassis. It also

includes special high performance transformers and

a fused power line. The MOSFET output stage is

fault protected which allows the R2100b to forgive

momentary output shorts. It is designed to drive 4 or

8 Ohm speakers, 25V speakers (individual channels)

or 70V speakers (in bridged mode). CAUTION: The

2100b is convection cooled. Adequate ventilation

room for the heat sink fins on the rear panel must

be provided for.

FEATURES:

• Great install amp, drives 25V or 70V lines

directly.

• MOSFET drivers in a voltage and current gain

circuit

• 1 second turn-on delay

• LED power output meters

• Fault protected outputs

SPECIFICATIONS

Power Output Stereo: 100 Watts RMS/ch. 4 Ohms

85 Watts RMS/ch. 8 Ohms

Bridged: 200 Watts RMS into 8 Ohms

or 70V

Sensitivity: <1 VRMS for full output

THD: <.08% (1kHz @ 1 Watt)

S/N Ratio: 106 dBU

Power Bandwidth: 60 Hz - 30 kHz +/- 1dB

Damping Factor: > 150

Slew Rate: 100 Volts/microSecond

Phase Shift: <10 Deg., 20Hz - 20kHz

Input Impedance: 10 K Ohms Balanced

Power: 120 VAC 60Hz 2.5A

230 VAC 50Hz

Size: 19” x 3.5” x 7.5”

(48 x 9 x 19 cm)

Weight: 12 lbs (5.5 kg)

ROLLS Coporation

5968 South 350 West, Salt Lake City, UT 84107

(801) 263-9053 FAX (801) 263-9068

[email protected] • www.rolls.com

WATTS 4 OhmsWATTS 4 Ohms

VOLUME 1

RA2100b

MOSFET POWER

AMPLIFIER

POWER

PROTECT

0 10

VOLUME 2

0 10

MADE IN U.S.A.

RISQUE DE CHOC - NE PAS ENLEVER

SERIAL NUMBER

WARNING:

To reduce the risk of electric

shock or fire do not expose

this device to rain or moisture.

CHANNEL 2 INPUT

CHANNEL 1 INPUT

BRIDGE NORMAL

OUTPUT 2 OUTPUT 1

4A 120V

2A 230 V

OUT 1

MAINS POWER

WARNING

For continued protection against

risk of fire, replace only with

same type and rating of fuse.

CAUTION

TO REDUCE THE RISK OF ELECTRIC

SHOCK DO NOT NOT REMOVE LID. NO

USER SERVICABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED

SERVICE PERSONNEL

CORPORATION

OUT 2

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