Rolls RA200 User manual

Brand: Rolls

Model: RA200

Type: User manual

RA200

100 WATT/CHANNEL

POWER AMPLIFIER

OWNERS MANUAL

LIMITED WARRANTY

This product is warranted to the original consumer purchaser to be free from

defects in materials and workmanship under normal installation, use and service for a

period of one (1) year from the date of purchase as shown on the purchaser’s receipt.

The obligation of Rolls Corporation under this warranty shall be limited to repair

or replacement (at our option), during the warranty period of any part which proves

defective in material or workmanship under normal installation, use and service, provided

the product is returned to Rolls Corporation, TRANSPORTATION CHARGES PRE-

PAID. Products returned to us or to an authorized Service Center must be accompanied by

a copy of the purchase receipt. In the absence of such purchase receipt, the warranty

period shall be one (1) year from the date of manufacture.

This warranty shall be invalid if the product is damaged as a result of deface-

ment, misuse, abuse, neglect, accident, destruction or alteration of the serial number,

improper electrical voltages or currents, repair, alteration or maintenance by any person or

party other than our own service facility or an authorized Service Center, or any use

violative of instructions furnished by us.

This one-year warranty is in lieu of all expressed warranties, obligations or

liabilities. ANY IMPLIED WARRANTIES, OBLIGATIONS, OR LIABILITIES,

INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER-

CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, SHALL BE

LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN

LIMITED WARRANTY. Some states do not allow limitations on how long an implied

warranty lasts, so the above limitation may not apply to you.

IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL, INCIDENTAL

OR CONSEQUENTIAL DAMAGES FOR BREACH OF THIS OR ANY OTHER

WARRANTY, EXPRESSED OR IMPLIED, WHATSOEVER. Some states do not allow

the exclusion or limitation of special, incidental or consequential damages so the above

limitation or exclusion may not apply to you. This warranty gives you specific legal

rights, and you may also have other rights which vary from state to state.

ROLLS CORPORATION

SALT LAKE CITY, UTAH

6/99

WATTS

1 5 30 10 0

WATTS

1 5 30 10 0

VOLUME 1 VOLUME 1

PROTECT

0 10 0 10

RA200

OSFET

OWER

MPLIFIER

POWER

ROTECT

INTRODUCTION

Thank you for your purchase of the ROLLS RA200 Power Amplifier. The RA200 is

a stereo 100 Watt per channel MOSFET power amplifier. It bridges to 200 Watts

into eight ohms. It is intended for professional audio applications such as record-

ing studios and small live performances.

INSPECTION

1. Unpack and inspect the RA200 box and package.

If obvious physical damage is noticed, contact the carrier immediately to make a

damage claim. We suggest saving the shipping carton and packing materials for

safely transporting the unit in the future.

2. Please complete the Warranty Registration Card and return it to the factory.

INSTALLATION

Connect the power cord to an AC power source, connect the input to the signal

source and to the RA200 via the RCA or 1/4” input jacks. Speakers may be

connected by using the 1/4” output jacks, or the dual banana posts. Turn the

Volume controls fully counterclockwise (off), and turn on the power switch, the

power LED should light. With the program material running, slowly increase the

Volume controls until the desired level of sound is present. There is a one second

turn-on delay provided to prevent possible speaker damage in case all equipment

is on a signal power strip.

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

OUTPUT 1

OUTPUT 2

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

C O R P O R A T I O N

BRIDGING

To bridge the RA200, first ensure the power is off. Move the Bridging switch to the

“Bridge” position. The Channel 1 Volume control will be the master volume,

Channel two Volume is inactive.

Connect the input to Channel 1 input, then connect the load (speakers) to the two

positive (red) banana jacks. Make no connections to the black posts. The level

meters will both light, and the output power into 8 ohms is the sum of the LEDs

that light.

FAULT PROTECTION

The fault protection in the RA200 limits the current to the output stage in the

faulted channel and turns on all the LEDs in that channel. This mode is entered

whenever the output stage is called upon for too much power, it may also be

fooled by impedances lower than four ohms - which may cause the output stage

to overheat and burn up the MOSFETs.

Since the RA200 is convection cooled, the unit radiates heat from the rear panel

and , depending on the load demand, it may become very hot if drawn upon

heavily.

SPECIFICATIONS

Power Output, Stereo: 100 Watts RMS/ch. 4 W

70 Watts RMS/ch. 8 W

Bridged - 200 Watts RMS 8 W

Input Connectors: 1/4" TRS balanced and RCA

Output Connectors: 1/4" and 5-way binding posts

Sensitivity: <1 VRMS for full output

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

S/N Ratio: 106 dBU

Power Bandwidth: DC - 30 kHz +/- 1dB

Damping Factor: > 150

Slew Rate: 100 Volts/microSecond

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

Input Impedance: 10 KW 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)

SCHEMATIC

ROLLS CORPORATION

5968 S 350 W

Murray, UT 84107

ra200.sch C

22 August 2002

Title

Size: Document Number:

Date:

Rev:

Sheet

RA200 Amp Board

Vr+

Vr-

V+

V-

Vr-

V-

V+

HEATSINK

Vr-

Vr+

Vr-

Vr+

Vr-

V-

V+

HEATSINK

Vr-

Vr+

V+

100

LAST R72 C15

12V

-12V

BRIDGE

NORMAL

Vr+

CHANNEL 1

CHANNEL 2

SET P2 & P102 FOR 1 - 2 mV ACCROSS R11 & R111

Vr+

Vr-

PROTECT

BR1

CP8010

SW1

SW SPST

PLUG AC MALE

10K

MPSA06

J113

1N4148

R15

10K

P100K

P101

P100K

SW2B

DPDT

2N3904

2N3906

1N4148

H1D

SW2A

DPDT

H1E

2N3904

500

Q11

2N3904

Q12

2N3904

Q13

2N3904

Q14

2N3904

LDRY

LDRG

D10

LDRR

H1A

H1B

U2B

1458

U1B

1458

U1A

1458

U2A

1458

4 AMP

MAINS TRANSFORMER

H4A

HD42

H4B

HD43

H4C

HD44

H4D

HD4

33K

100K

470

10K

R10

R11

10K

R12

6.8K

R13

R14

150

R16

150K

R17

150K

R18

R19

470

R20

R21

10K

R22

R23

22K

R24

R25

330

R26

330

R27

100

R28

R29

22K

R30

470

R31

R32

R33

10K

R34

R35

10K

R36

10K

R37

100K

R38

10K

R39

100K

R40

10K

R41

100K

R42

33K

R43

10K

R44

10K

R45

R46

33K

R47

33K

R48

R50

470

R52

10K

R55

6.8K

R58

10K

R59

150K

R60

150K

R61

R62

470

R63

R64

330

R65

R66

22K

R67

10K

R68

R69

330

R70

100

R71

R72

R73

22K

R74

10K

R75

R76

470

R77

R78

10K

R79

10K

R80

100K

R81

10K

R82

100K

R83

10K

R84

100K

R85

33K

R89

470

R91

10K

R92

R93

3.3K

R94

22K

R95

R96

10K

D11

1N4148

D12

1N4148

D13

1N4148

D14

1N4148

D15

1N4148

D16

1N4148

D17

LDRY

D18

LDRG

D19

LDRG

D20

LDRR

R98

R99

10K

R100

4.7K

IRF9540

2N3904

MPSA56

2N3906

Q10

IRF540

Q15

J113

Q17

2N3906

Q18

MPSA06

Q19

2N3904

Q20

IRF9540

Q21

MPSA56

Q22

2N3906

Q23

IRF540

R51

10K

R49

100K

P102

500

R56

Q16

2N3904

R57

150

R53

R54

10K

Q24

2N3904

Q25

2N3904

Q26

2N3904

Q27

2N3904

Q28

2N3904

Q30

2N3904

Q31

2N3904

Q32

2N3906

.001

470PF

.01

120PF

50PF

.002

.001

470PF

.01

C10

120PF

C11

50PF

C12

.002

C15

10U

C16

10U

D21

RED

D22

ZD12V

D23

ZD12V

D24

LDRR

D25

1N4148

D26

1N4148

R102

4.7K

R103

R104

R105

C17

C18

503

R90

10K

R87

22K

R88

10K

Q29

2N3904

R101

THERMISTOR

C13

6800UF

C14

6800UF

H?A

HCN2

H?A

HCN2

H?A

HCN2

H?A

HCN2

J4A

RCAX2

J4B

RCAX2

Lo Cut

10K@23c

Rolls RA200 User manual

Rolls RA200 User manual

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