Ashly DLM-821 Operating Manual Download Page 4

4

Operating Manual - DLM-821 Stereo Ducking Line/Microphone Mixer

5.

 

CONTROLS

5.1

 

D

ucking 

E

nable

P

ressing

 

this

 

s

w

itch

 

ena

b

les

 

a

 

signal

 

present

 

on

inputs

 

1

 

or

 

2

 

to

 

duc

k (

attenuate

the

 

signals

 

on

 

inputs

 

3

through

 

8.

  

See

 

sections

 

5.14

 

through

 

5.17

 

for

 

internally

selecting

 

different

 

duc

k

ing

 

configurations.

5.2

 

C

hannel 

L

evel and 

P

an

T

he

 

inner

 k

no

is

 

the

 

indi

v

idual

 

channel

 v

olume

control

 w

hich

 

feeds

 

a

 

channel

 

to

 

the

 

main

 

mi

x

.

  T

he

 "

5

"

position

 

corresponds

 

to

 

unity

 

gain.

  T

he

 

outer

 k

no

is

 

the

P

an

 

control

 

and

 

ad

j

usts

 

the

 

position

 

of

 

the

 

channel

 

in

 

the

stereo

 

mi

x

.

5.3

 

M

ute 

S

witch

T

his

 

s

w

itch

 

on

 

each

 

channel

  w

ill

 

turn

 

the

 

chan-

nel

 

completely

 

off

 

allo

w

ing

 

the

 

channel

 

le

v

el

 

to

 

remain

at

 

its

 

desired

 

setting

 w

hen

 

the

 

input

 

is

 

not

 

needed.

5.4

 

M

ic/

L

ine 

S

witch

T

his

 

recessed

 

s

w

itch

 

on

 

the

 

first

 

four

 

inputs

 

in-

creases

 

the

 

channel

 

input

 

sensiti

v

ity

  b

y

 

30

 

dB

 

to

 

allo

w

the

 

use

 

of

 

lo

impedance

 

microphones.

    T

he

 

ad

j

acent

yello

w LED 

on

 

indicates

 

the

 

s

w

itch

 

is

 

depressed

 

and

 

30dB

of

 

gain

 

is

 

added

 

for

 

that

 

channel

'

s

 

mic

 

input.

5.5

 

O

utput 

M

eters

pair

 

of

 

pea

detecting

 

6-segment

 LED 

meters

are

 

used

 

to

 

indicate

 

output

 

le

v

el.

    G

reen

 LED'

s

 

are

 

used

b

elo

0

 VU

,

 

yello

a

b

o

v

e

 

0

 VU

,

 

and

 

red

 LED'

s

 

indicate

clipping.

    T

his

 

meter

 

pair

 

monitors

 

the

 

main

 

stereo

 

out-

put

 (

0

 VU = +

4dBu

)

.

  T

he

 

red

 

clipping

 LED'

s

 

also

 

moni-

tor

 

all

 

input

 

channels,

 

ma

k

ing

 

it

 

possi

b

le

 

for

 

these

indicators

 

to

 

illuminate

 

e

v

en

 w

ith

 

the

 

stereo

 

output

 

le

v

el

turned

 

off.

5.6

 

S

tereo 

O

utput 

L

evel and 

P

an

T

his

 

is

 

the

 

main

 

master

 

gain

 w

hich

 

sets

 

the

 

oper-

ating

 

le

v

el

 

for

 

the

 

entire

 

mi

x

er.

    T

he

  "

5

position

 

corre-

sponds

 

to

 

unity

 

gain.

    T

his

 

control

 

does

 

not

 

effect

 

the

mono

 

output

 

le

v

el.

5.7

 

S

tereo 

O

utput 

M

ute

T

his

 

s

w

itch

 

entirely

 

mutes

 

the

 

main

 

stereo

 

out-

put.

    T

he

 

headphone

 

and

 

mono

 

output

 

are

 

not

 

affected.

T

his

 

is

 

particularly

 

useful

 w

hen

 

the

 DL

M-821

 

is

 

used

 

as

a

 

su

b

-mi

x

er.

5.8

 

M

ono and 

H

eadphone 

L

evel

T

he

 

inner

 k

no

is

 

the

 

master

 

gain

 

control

 

for

 

the

mono

 

output,

  w

hich

 

is

 

the

 

com

b

ined

 

signal

 

of

 

the

 

left

and

 

right

 

outputs.

    I

t

 

has

 

no

 

effect

 

on

 

the

 

stereo

 

output.

N

ote

:  T

he

 

mono

 

output

 

le

v

el

 

can

  b

e

 

selected

  b

et

w

een

mic

 

or

 

line

 

le

v

el.

    (

see

 

sec.

 

5.10

)  T

he

 

outer

  k

no

is

 

the

le

v

el

 

control

 

for

 

the

 

front

 

panel

 

headphone

 j

ac

k

.

Summary of Contents for DLM-821

Page 1: ...DLM 821 Stereo Ducking Line Microphone Mixer Operating Manual ASHLY AUDIO INC 847 Holt Road Webster NY 14580 9103 Phone 585 872 0010 Toll Free 800 828 6308 Fax 585 872 0739 www ashly com...

Page 2: ...MENTS 3 4 SECURITY COVERS 3 5 CONTROLS 4 6 CONNECTIONS AND CABLES 6 7 TYPICAL APPLICATIONS 7 7 1 Small Sound Reinforcement System 7 7 2 Church School Or Meeting Room Sound System 7 7 3 Restaurant Spor...

Page 3: ...every Ashly product is carefully inspected before leaving the factory to ensure flawless appearance After unpacking please inspect for any physical damage Save the ship ping carton and all packing ma...

Page 4: ...added for that channel s mic input 5 5 Output Meters A pair of peak detecting 6 segment LED meters are used to indicate output level Green LED s are used below 0 VU yellow above 0 VU and red LED s ind...

Page 5: ...and input terminals of the two associated channels to power condenser mics The input channels should be muted using the On Mute switches when switching phantom power on or off to avoid any pop noises...

Page 6: ...operating level is 4 dBu and maximum level is 23dBu The Mono output is switchable to a nominal 40dBu microphone level If wiring an output as unbalanced use the and G connections If low level and high...

Page 7: ...priority and fully attenuate all other inputs if it is receiving an input signal Channels 1 through 4 will have their Stereo Mono switch pushed in The remaining INPUT channels are used for audio outp...

Page 8: ...driven in the signal path If the clip indicators are active reduce the channel level con trols If the clip indicators are still active reduce the input signal level If the level meters are constantly...

Page 9: ...els set at nominal outputs into 2 7k ohm or greater 10 SPECIFICATIONS DISTORTION THD at 20 dBu 20Hz 20KHz 0 05 HUM NOISE 20Hz 20KHz residual output noise all levels at minimum 100dBu MASTER OUT MASTER...

Page 10: ...attached to your product Fill out the information below for your records Model Number _________________________________ Serial Number __________________________________ Dealer _______________________...

Page 11: ...Mid 18dB Max R51 33k D15 1N4148 5 6 7 U7B 2043 R52 33k D16 1N4148 R37 22k R38 22k R28 15k R13 4 7k C24 47U VR1C B10k R4 1k R49 10k C32 68p C25 47U D17 1N4148 D18 1N4148 R20 100 R50 10k R21 100 Mono Ou...

Page 12: ...T 5 6 4 SW104B SW DPDT 18 18 LPeak RBus LBus 2 3 1 SW103A SW DPDT 5 6 4 C101 47U C102 47U R101 3 3K R102 3 3K 18 10 9 8 U2C TLE2064 R119 390K R118 100K R117 100K CH1 Det Stereo Mono Phantom Pwr R203 1...

Page 13: ...s LPeak RPeak 18 18 18 18 R403 1 15K R404 1 15K R406 39 2K R407 39 2K C404 27p C403 27p 3 2 1 8 4 U401A 2043 5 6 7 U401B 2043 D403 1N4148 D404 1N4148 R410 10 0k R409 10 0k R412 10 0k R411 10 0k C406 2...

Page 14: ...A B D C Four Ganged Pot CW R703 10 0k R704 10 0k R706 10 0k R707 10 0k C704 27p C703 27p 3 2 1 8 4 U701A 4560 5 6 7 U701B 4560 D703 1N4148 D704 1N4148 R710 10 0k R709 10 0k R712 10 0k R711 10 0k C706...

Page 15: ...00k R953 10k R954 12k R956 10m R970 68k R969 1k R968 33k R967 2k R966 1k R965 560 R964 100 R963 220 R962 220 D956 R D955 Y D954 Y D953 G D952 G D951 G C951 01U C952 1 5U 1 2 3 4 5 J951 18 18 18 18 18...

Page 16: ...INC 847 Holt Road Webster NY 14580 9103 Phone 585 872 0010 Fax 585 872 0739 Toll Free 800 828 6308 www ashly com 2004 by Ashly Audio Corporation All rights reserved worldwide Operating Manual DLM 821...

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