Rolls RDB104 User manual

Brand: Rolls

Model: RDB104

Type: User manual

RDB104

Quad Active Direct Box

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

8/00

LEVEL

POWER

INPUT

QUAD

ACTIVE

DIRECT BOX

RDB104

CHANNEL FOUR

-00 0

LEVEL

-00 0

INPUT

CHANNEL ONE

CHANNEL TWO CHANNEL THREE

-00 0

SPECIFICATI ONS

Input Impedance: 100 kΩ

Output Impedance: 100 Ω balanced

Max. Output Level: +22 dB (Pad out)

Gain: -

to 0 dB

Dimensions 1.75" X 6" X 19"

(89mm X 162mm X 482mm)

Weight 6 lbs. (2.72 Kg)

Power 120VAC (230VAC) 15VA

INTRODUCTION

Thank you for your purchase of the ROLLS RDB104 Quad Active Direct Box. The

RDB104 is an active impedance matching device with the added benefit of a

variable level control. Its four channel design is ideal for a variety of applications

including musicians, studios, and sound contractors. It is designed and manufac-

tured carefully to provide years of long-lasting service. Please read the following

manual carefully to ensure proper operation, and enjoy your new RDB104.

INSPECTION

1. Unpack and inspect the RDB104 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.

SCHEMATIC

DESCRIPTION

FRONT PANEL

NOTE: CHANNEL ONE THROUGH FOUR DESCRIPTIONS ARE IDENTICAL.

INPUT: 1/4” unbalanced jack for connection to an unbalanced, usually line-level,

signal.

LEVEL: Varies the amount of input signal from -infinity (off) to 0 dB.

POWER LED: Indicates the RDB104 is connected toi an AC outlet and power is

applied.

POWER SWITCH: Applies power to the RDB104 when connected to an AC outlet.

LEVELLEVEL

LEVEL

-00 0

POWER

INPUT

QUAD

ACTIVE

DIRECT BOX

RDB104

CHANNEL ONE

CHANNEL TWO CHANNEL THREE

CHANNEL FOUR

-00 0

-00 0 -00 0

REAR PANEL

NOTE: CHANNEL ONE THROUGH FOUR DESCRIPTIONS ARE IDENTICAL.

GND LIFT: Separates pin one of the XLR connector from the circuit ground.

OUTPUT: Balanced XLR jack containing the output signal. Pin 2 is “hot”.

30 dB PAD: Pressing this switch in lowers or “pads” the output signal by 30 dB.

this provides a way to connect the output of the RDB104 to a mic input on a mixer.

INPUT: 1/4” unbalanced jack (parallels the front-panel Input jack.)

CHANNEL FOUR

CHANNEL THREE

CHANNEL TWO

CHANNEL ONE

-30 dB

PAD

OUTPUT

INPUT

GND

LIFT

OUTPUT

INPUT

OUTPUT

INPUT

OUTPUT

INPUT

WARNING:

DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.

NO USER SERVICABLE PARTS INSIDE.

120 VAC

50/60 Hz 15 VA

MODEL RDB104

MADE IN U.S.A.

SERIAL NUMBER

104-

RISQUE DE CHOC - NE PAS ENLEVER

RISK OF ELECTRIC SHOCK

NRTL /C

-30 dB

PAD

GND

LIFT

GND

LIFT

-30 dB

PAD

GND

LIFT

-30 dB

PAD

BLOCK DIAGRAM

The diagram shown below represents one channel of the RDB104. All channels

are identical.

LEVEL

INPUT

OUTPUT

Output

Buffer

30dB

PAD

SWITCH

GROUND

LIFT

ROLLS CORPORATION

5968 South 350 West

Salt Lake City, UT 84107

RDB104.SCH

Rev:

Sheet: 1 of 1

A T T E N U A T O R

F R O N T

R E A R

A T T E N U A T O R

F R O N T

R E A R

A T T E N U A T O R

F R O N T

R E A R

A T T E N U A T O R

F R O N T

R E A R

C H 1

C H 2

C H 3

C H 4

P O W E R

-V

3 0 D b P A D

C 2 5

4 7 U

S W 2

S W S P S T

P L 1

P L U G A C M A L E

D 1 3

1 N 4 0 0 1

D 1 4

1 N 4 0 0 1

D 1 5

1 N 4 0 0 1

D 1 6

1 N 4 0 0 1

C 2 4

1 U

D 1 2

L D S G

T 1

M C I 4 0 7 4 0 2 4

R 1

1 0 K

R 2 1

1 0 K

R 3 1

1 0 K

R 4 1

1 0 K

P 1

P 1 0 0 K

P 2

P 1 0 0 K

P 3

P 1 0 0 K

P 4

P 1 0 0 K

J 1

P H O N E 1 / 4

J 2

P H O N E 1 / 4

U 1 A

4 5 6 0

U 2 A

4 5 6 0

U 3 A

4 5 6 0

U 4 A

4 5 6 0

J 4

P H O N E 1 / 4

J 5

P H O N E 1 / 4

J 7

P H O N E 1 / 4

J 8

P H O N E 1 / 4

J 1 0

P H O N E 1 / 4

J 1 1

P H O N E 1 / 4

R 3

R 7

4 7

R 9

1 K

R 8

R 2 8 R 2 9

1 K

R 3 8

R 3 9

1 K

R 4 8 R 4 9

1 K

R 1 2

4 . 7 K

U 6

7 9 1 2

U 5

7 8 1 2

C 1 5 0 3

R 4

R 2 7

4 7

R 3 7

4 7

R 4 7

4 7

R 4 6

1 K

R 4 5

1 K

R 3 6

1 K

R 3 5

1 K

R 2 6

1 K

R 2 5

1 K

R 5

1 K

R 6

1 K

S W 1 A

D P D T

S W 3 A

D P D T

S W 5 A

D P D T

S W 7 A

D P D T

S W 2

S P S T

S W 4

S P S T

S W 6

S P S T

S W 8

S P S T

1 2

J 3

X L R J A C K M

1 2

J 6

X L R J A C K M

1 2

J 9

X L R J A C K M

1 2

J 1 2

X L R J A C K M

G R O U N D L I F T

1 0 0 K

1 0 K

U 1 B

1 0 K

1 0 0 K

R 2 4

1 0 K

R 3 4

1 0 K

1 0 0 K

U 3 B

R 3 3

1 0 K

1 0 0 K

R 4 4

1 0 K

U 4 B

R 4 3

1 0 K

C 1 7

5 0 3

C 1 9

5 0 3

1 0 0 0 U F 1 6 V

C 2 2

C 2 3

C 2 0

5 0 3

C 2 1

5 0 3

TITLE: RDB104 QUAD DIRECT BOX

Size Document Number:

Date: 17-Aug-2000

Rolls RDB104 User manual

Rolls RDB104 User manual

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