Owner's Manual

ManualsBrandsRolls ManualsCommercial audio & videoDB228

1

2

3

CONNECTION/

OPERATION

Plug a microphone

into

the

XLR

input

on

the

front

of

the

unit

. The Level will control

the

volume

of

the

XLR

input.

1 / 8" (3.5mm) Jack: Connect a Tip-Ring-Sleeve stereo

plug

into

this jack.

NOTE

: Connect-

ing

a Tip-Sleeve MONO plug i

nto

this

jack

might

lead

to

low

volume being sent

out

as

the

right

side

will

be shorted

to

ground

if

a

mono

plug

is

used.

Connect

the

plugable barrier strip connector

to

the

microphone

input

wires.

The 0B228 will passively send signals

plugged

into

the

front

panel

of

the

0B228

to

the

rear plugable barrier strip connector. The Level

knob

will

adjust

the

volume

of

both

the

1/ 8" and

XLR

input.

You

can use

both

the

XLR

and

1/8"

inputs

at

the

same

time

. Both

signals will be sent

to

the

barrier strip

output

of

the

0B228. When using

both

inputs

at

the

same

time

you

might

have a difference

in

level between

the

1/8"

input

and

the

XLR

input.

This

is

normal operation

for

the

0B228.

~~----------

---'--

~ HIA

C\I

PHAN OK

J1

JK3.5ST

INPUT~

R1

1K

R2 1K

Fair is where you get cotton can

dy

2

3

Ba

HD

3

PLUG BARRIER

HIB

HD3

HIC

HD3

OUTPUT

Rolls

Corporation

5968 So 350 West

Murray Utah 84107

DB228 WALL PLATE DIRECT INTERFACE

Document Number: Rev:

DB228.SCH A

Date: 5 September 2017

Sheet 1 of 1