Toa DA-1000F User manual

OPERATING INSTRUCTIONS
MULTICHANNEL POWER AMPLIFIER
DA-1000F
1. IMPORTANT SAFETY INSTRUCTIONS ........................................................................................ 2
2.
SAFETY PRECAUTIONS ................................................................................................................. 2
3. GENERAL DESCRIPTION. ...............................................................................................................
5
4. NOMENCLATURE AND FUNCTIONS ............................................................................................. 5
5. CONNECTIONS ............................................................................................................................... 7
6.
SYSTEM CONNECTION CASES ..................................................................................................... 8
7.
THERMAL DISSIPATION ................................................................................................................ 9
8. POWER LEVEL ADJUSTMENT .......................................................................................................10
9. TROUBLESHOOTING .....................................................................................................................11
10. SPECIFICATIONS ............................................................................................................................12
11. DIMENSIONAL DIAGRAM ...............................................................................................................12
TABLE OF CONTENTS
Thank you for purchasing TOA's Multichannel Power Amplifier.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.

1. IMPORTANT SAFETY INSTRUCTIONS
Read these instructions.
Keep these instructions.
Heed all warnings.
Follow all instructions.
Do not use this apparatus near water.
Clean only with dry cloth.
Do not block any ventilation openings. Install in accordance with the manufacturer's
instructions.
Do not install near any heat sources such as radiators, heat registers, stoves, or other
apparatus(includingamplifiers) that produce heat.
Do not defeat the safety purpose of the polarized or grounding-type plug. A grounding
type plug has two blades and a third grounding prong. If the provided plug does not fit into
your outlet, consult an electrician for replacement of the obsolete outlet.
Protect the power cord from being walked on or pinched particularly at plugs, convenience
receptacles, and the point where they exit from the apparatus.
Only use attachments/accessories specified by the manufacturer.
Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or
sold with the apparatus. When a cart is used, use caution when
moving the cart/apparatus combination to avoid injury from tip-over.
Unplug this apparatus during lightning storms or when unused
for long periods of time.
Refer all servicing to qualified service personnel. Servicing is
damaged in
any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects
have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does
not operate normally, or has been dropped.
Servicing is required when the apparatus has been
2. SAFETY PRECAUTIONS
Before installation or use, be sure to carefully read all the instructions in this section for
correct and safeoperation.
Be sure to follow all the precautionary instructions in this section, which contain important
warnings and/orcautions regarding safety.
After reading, keep this manual handy for future reference.
Safety Symbol and Message Conventions
Safety symbols and messages described below are used in this manual to prevent bodily injury
and property damage which could result from mishandling. Before operating your product,
read this manual first and understand the safety symbols and messages so you are thoroughly
The exclamation point within an equilateral triangle is intended to alert the user to
the presence of important operation and maintenance (servicing) instruction in
the literature accompanying the appliance.
aware of the potential safety hazards.
Indicates a potentially hazardous situation which, if
mishandled, could result in death or serious personal
WARNING injury.
2

When Installing the Unit
Do not expose the unit to rain or an environment where it may be splashed by water or other
liquids, as doing so may result in fire or electric shock.
Use the unit only with the voltage specified on the unit. Using a voltage higher than that which
is specified may result in fire or electric shock.
Do not cut, kink, otherwise damage nor modify the power supply cord. In addition, avoid using
the power cord in close proximity to heaters, and never place heavy objects -- including the unit
itself -- on the power cord, as doing so may result in fire or electric shock.
Avoid installing or mounting the unit in unstable locations, such as on a rickety table or a
slanted surface. Doing so may result in the unit falling down and causing personal injury and/or
External wiring connected to the terminals marked with requires installation by an instructed
The apparatus shall be connected to a mains socket outlet with a protective earthing connection.
The socket-outlet shall be installed near the equipment and the plug (disconnecting device) shall
be easilyaccessible.
When the Unit is in Use
Should the following irregularity be found during use, immediately switch off the power, disconnect
the powersupply plug from the AC outlet and contact your nearest TOA dealer. Make no further
attempt to operate the unit in this condition as this may cause fire or electric shock.
·If you detect smoke or a strange smell coming from the unit
·If water or any metallic object gets into the unit
·If the unit falls, or the unit case breaks
·If the power supply cord is damaged (exposure of the core, disconnection, etc.)
·If it is malfunctioning (no tone sounds.)
components inside the unit. Refer all servicing to your nearest TOA dealer.
property damage.
person.
To prevent a fire or electric shock, never open or remove the unit case as there are high voltage
Do not place cups, bowls, or other containers of liquid or metallic objects on top of the
unit. If they accidentally spill into the unit, this may cause a fire or electric shock.
Do not insert nor drop metallic objects or flammable materials in the ventilation slots of the
unit's cover, as this may result in fire or electric shock.
When Installing the Unit
Never plug in or remove the power supply plug with wet hands, as doing so may cause electric
shock.
When unplugging the power supply cord, be sure to grasp the power supply plug; never pull
on the cord itself. Operating the unit with a damaged power supply cord may cause a fire or
When moving the unit, be sure to remove its power supply cord from the wall outlet. Moving the unit
with the power cord connected to the outlet may cause damage to the power cord, resulting in fire
or electric shock.When removing the power cord, be sure to hold its plug to pull.
Indicates a potentially hazardous situation which, if mishandled,
could result in moderate or minor personal injury, and/or property
CAUTION damage.
electric shock.
3

Do not block the ventilation slots in the unit's cover. Doing so may cause heat to build up
inside the unit and result in fire.
Avoid installing the unit in humid or dusty locations, in locations exposed to the direct sunlight,
near the heaters, or in locations generating sooty smoke or steam as doing otherwise may
result in fire or electric shock.
To avoid electric shocks, be sure to unplug the unit's power supply cord when connecting
speakers.
Be sure to follow the instructions below when rack-mounting the unit. Failure to do so may
cause a fire or personal injury.
·Install the equipment rack on a stable, hard floor. Fix it with anchor bolts or take other
arrangements to prevent it from falling down.
·When connecting the unit's power cord to an AC outlet, use the AC outlet with current
capacity allowable to the unit.
·No rack-mounting screws are supplied with the unit. Separately prepare the appropriate
screws for the rack.
When the Unit is in Use
Do not place heavy objects on the unit as this may cause it to fall or break which may
result in personal injury and/or property damage. In addition, the object itself may fall off and
cause injury and/or damage.
Make sure that the volume control is set to minimum position before power is switched on.
Loud noise produced at high volume when power is switched on can impair hearing.
Do not operate the unit for an extended period of time with the sound distorting. This is an
indication of a malfunction, which in turn can cause heat to generate and result in a fire.
If dust accumulates on the power supply plug or in the wall AC outlet, a fire may result. Clean
it periodically.In addition, insert the plug in the wall outlet securely.
Switch off the power, and unplug the power supply plug from the AC outlet for safety
purposes when cleaning or leaving the unit unused for 10 days or more. Doing otherwise may
cause a fire or electric shock.
Clean the unit regularly
Contact your TOAdealer as to the cleaning. If dust is allowed to accumulate in the unit
over a long period of time, a fire or damage to the unit may result.
Clean the power supply plug
If dust accumulates on the power supply plug or in the wall AC outlet, a fire may result.
Clean it periodically. In addition, insert the plug in the wall outlet securely.
During maintenance or leaving the unit unused
Turn off this unit's power switch, and unplug the power supply plug from the AC outlet for
safety purposes when cleaning or leaving the unit unused for 10 days or more. Doing
otherwise may cause a fire or electric shock.
The lighting flash with arrowhead symbol, within an equilateral triangle, is intended
to alert the user to the presence of uninsulated "dangerous voltage" within the
product's enclosure that may be of sufficient magnitude to constitute a risk of
electric shock to persons.
4

3. GENERAL DESCRIPTION
The DA-1000F is 4-Channel Digital Power Amplifier featuring ligtweight, compact and high power output.
It delivers 1000W x 4 channels (4output).
It can be mounted an EIA standard equipment rack (2 unit size).
4. NOMENCLATURE AND FUNCTIONS
[Front]

1. Suction hole
2. Input volume control
Turn the knob clockwise to increase the volume and counterclockwise to decrease it.
Stereo/Paralle Mode : volumes of CH1, CH2, CH3, CH4 control independently .
Bridge Mode : CH1 knob controls both volumes, CH2 knob lose efficacy.
CH3 knob controls both volumes, CH4 knob lose efficacy.
3. LED indicator
PROTECT : Lights red when either protection circuit action.
CLIP : Lights red when compressor/limiter is protecting the amplifier from input overload.
-5dB : Lights green when output signal around -5dB than full power.
-10dB : Lights green when output signal around -10dB than full power.
-20dB : Lights green when output signal around -20dB than full power.
SIGNAL : Lights green when audio signals are output from the speaker output terminal.
POWER : Lights green when the Power switch (4) is switched on.
4. Power switch
Power is switched on and off with each depression of this switch.
5. Mounting hole
Can be mounted an EIA standard equipment rack (2 unit size).
5

 


[ Rear]
6. Socket with fuse
Connects to power source with AC power supply cord.
The Standard Voltage : AC 100 ~ 240V.
Dissipation Power : 2000W.
Fuse ratings: T16AL 250V.
7. Ventilation hole
8. Speaker output terminal
Speaker output, Speakon ( NL4 ) terminal.
Connects to speakers. Refer to p.7 and p.8.
9. Signal input
20kΩ (balanced) / 10kΩ (unbalanced),
XLR-F connector.
Connects to Signal source.
⑥⑦⑧ ⑨ ⑩
6
10. Sensitivity selector switch
Selects the input sensitivity of input as follows: 0.775 / 1.0V / 32dB*
11. Link mode selector switch
Selects the Link mode of input as follows: 1 in 4 / 2 in 4.
Refer to p.8.
12. Mode selector switch
Selects the mode of input as follows: Bridge / Parallel / Stereo.
Refer to p.8.
13. Signal output (LINK)
XLR-M connector.
Connects to another one input terminal of the power amplifier.
Refer to p.7.
⑬ ⑫ ⑪

5. CONNECTIONS
[ Cable end treatment]
NOTES:
NOTES: The speaker connector can work from 4-16Ωin srereo or parallel model.
It can work good from 8Ωto 16Ω n bridge mode.
[ Inputs]
[ Outputs]
1
Signal output LINK
Signal input
Sensitivity selector switch
Mode
selector switch
INPUT
Balanced male XLR
Link mode selector switch
2
3
Speakon ( NL4 )
CH1
CH2
Negative/black/nero
Positive/red/rosso
Positive/red/rosso
Negative/black/nero
7
The quality of your soldering is very important virtual welding or soldering errors, Would be
likely to affect the normal use or even failure.
BLACK
RED
20mm
8mm 0.8”
0.3”

6. SYSTEM CONNECTION CASES
MODE INPUT OUTPUT
XLR NL4 Speakon
CH1
CH2
CH3
CH4
CH1
CH2
CH3
CH4
CH1-2 CH3-4
CH1
CH2
CH3
CH4
CH1
CH2
CH3
CH4
CH1-2 CH3-4
CH1
CH2
CH3
CH4
CH1
CH2
CH3
CH4
CH1-2 CH3-4
CH1
CH2
CH3
CH4
CH1
CH2
CH3
CH4
CH1-2 CH3-4
CH1
CH2
CH3
CH4
CH1-2 CH3-4
CH1
CH2
CH3
CH4
CH1-2 CH3-4 CH1
CH2
CH3
CH4
CH1
CH2
CH3
CH4 CH3 CH4
CH1-2 CH3-4
CH1
CH2
CH3
CH4
CH1
CH2
CH3
CH4
CH1-2 CH3-4
CH1
CH2
CH3
CH4
CH1
CH2
CH3
CH4
CH1-2 CH3-4
CH1
CH2
CH3
CH4
CH1
CH2
CH3
CH4
CH1
CH2
CH3
CH4
CH1
CH2
CH3
CH4
CH1
CH2
CH3
CH4
CH1
CH2
CH3
CH4
CH3
CH4
CH1
CH2
System connection cases(1 in 4) System connection cases(2 in 4)
CH1-2 CH3-4
CH1-2 CH3-4
CH1-2 CH3-4
CH1
CH2
NOTES:
LINK MODE
MODE INPUT OUTPUT
NL4 Speakon
BRG = BRIDGE
PAR = PARALLEL
ST. = STEREO
XLR
1 IN 4
2 IN 4
BRG
PAR
ST.
BRG
PAR
ST.
BRG
PAR
ST.
BRG
PAR
ST.
BRG
PAR
ST.
BRG
PAR
ST.
BRG
PAR
ST.
BRG
PAR
ST.
BRG
PAR
ST.
BRG
PAR
ST.
BRG
PAR
ST.
BRG
PAR
ST.
LINK MODE
1 IN 4
2 IN 4
8

7. THERMAL DISSIPATION
Stack installation
To ensure the cooling environment, please meet the following condition.
> 20CM
HOT AIR
In order to have a good heat
dissipation condition for amplifier
please clean the filter after you
finish your install, because the
dust in filter will stop the air vent,
it's not good for the heat
dissipation. And you should clean
the filter net every month.
NOTES:
The ambient temperature should
be lower than 35 ℃ while running
the amplifier.
The first time cleaning of strainer mesh should be right after
installation. Recommend to clean the strainer mesh quarerly.
Pease do not run the product without the dust filter, or it makes
the service life of the product shorten.
Such condition will be considered as no warranty.
To avoid heat protection
To prevent the hot air back to frong airvent.
Install exhaust blower
take the hot air away.
HOT AIR
NOTES: Keep hot air will not flow
back to the front air vent.
Try your best to keep the
temperature under 35 ℃ even in
extreme condition.
NOTES:
If use in Non-horizontal stack, we
suggest the rear exhaust outlet
up or straight to the vents of the
room.
NOTES:
NOTES:
9
COOL AIR COOL AIR
COOL AIR COOL AIR

8 . POW ER L EV EL ADJ USTMENT
Pr oced u r e
P ow er on
40
18
15
12
9
6
3
0
CLIP
8
+12d B
0
-
40
20
12
63
03
6
12
CLIP
LINE
GAIN
-10
-3d B + 40
Th i s i s a nor m al s t ep t o
ad j u s t m ent f or m or e
pr of es s i onal ad j u s t m ent y ou
s h ou l d h av e a pr of es s i onal
per s on t o d o t h at .
F or h i g h pow er s y s t em , t h e
Pow er -on or d er i s v er y
i m por t ant , not i n t h e or d er i s
l i kel y t o d am ag e t h e
eq u i pm ent .Th er ef or w e
s u g g es t t h at y ou u s e t h e
s eq u enc e pow er d ev i c e.
Mu si c Au d i t i on
Ad j u s t t h e v ol u m e f r om v er y s m al l t o l ou d s l ow l y , af t er y ou c onf i r m
t h e s ou nd i s nor m al t h en m ake i t m or e l ou d er . W h en t h e s peaker
ou t pu t i s c l os e t o i t s l i m i t , t h e CLIP l i g h t w i l l l i g h t s u p and y ou
s h ou l d t u r n d ow n y ou r v ol u m e now , d on't let t h e CLIP lig h t s on l ong
t i m e, i t m eans ov er l oad , m ay d am ag e t h e s y s t em .
Th i s s t ep s h ou l d oper at ed b y
pr of es s i onal per s on, i f y ou
d on't know h ow t o d o, pleas e
b e c ar ef u l !
Mi x er Processor
Inpu t t h e
s t ab l e pi nk
noi s e
Pu t t h e l i ne
ou t pu t t o 0 d B
LEV EL
40
20
12
63
03
6
12
CLIP
CH
0
12
MAIN
0
12
GAIN
GAIN
LINE
-10 + 40
Ad j u s t t h e
i npu t l ev el of
pr oc es s or l i k
t h e ab ov e
pi c t u r e
40
18
15
12
963
0
CLIP
INPU T
LEV EL
Pow er Lev el Ad j u s t m ent
Pow er am pl i f i er s h ou l d b e i n t h e c ond i t i on of no l oad i n t h e f ol l ow i ng
ad j u s t m ent pr oc es s :
Pr oc es s :
Sou nd c ons ol eSou r c e Per i ph er al d ev i c es Pow er Am pl i f i er
Pow er of f
Ad j u s t inpu t
g ai n
Pu t t h e m ai n
ou t pu t t o 0 d B
Pr oc es s or Am p
Mi xe r
Th e m ai n ou t pu t
am pl i t u d e s et
s h ou ld b e
d i s pl ay ed
as : 0 d B
Ad j u s t t h e ou t pu t lev el of
pr oc es s or , t h e r ang e l ike
t h e ab ov e pic t u r e s h ow s .
Ad j u s t t h e v ol u ne knob
and m ake t h e ou t pu t l ev el
w i t h i n t h e r ang e as ab ov e
pi c t u r e s h ow s .
Th en ad j u s t t h e inpu t
g ai n t o m ake t h e m ai n
ou t pu t l es s 3d B.
This setting is to ensure
twice power.
NOTES:
NOTES:
NOTES:
LEV EL LEV ELGAIN
OU TPU T
LEV EL
10

9 . TROUBL ESH OOTING
Af ter p ow er ed w ith ou t any r esp onse
Measu r e t h e ou t l et w i t h a m u l t i m et er t o ch eck i f
t h er e i s pow er ava i l ab l e and w h en no m u l t i m et er ,
yo u ca n h ave a t est penci l . If t h e pow er su ppl y i s
nor m al and t h e am pl i f i er st i l l no r esp onse w h en
pow er ed t h en t h er e i s so m et h i ng w r ong w i t h t h e
am pl i f i er , need pr f essi onal per so n t o ch eck i t .
No sig nal ou tp u t
1. F r ist ch eck if th e sig nal inp u t is r ig h t.
Ch eck t h e co nnect of XLR, i f t h e 2 and 3
r eve r t ed or t h e g r ou nd i s r el i ab l e. Di f f er ent
ci r cu i t r y d es i g n w i l l h ave d i f f er ent co nnect w ay
of t h e XLR, pl ease f ol l ow t h e 2+ 󵼾3- t o so l d er i ng .
It can not b e j u d g ed b y comp ar ing w ith oth er
amp l if ier s (incl u d ing oth er amp l if ier s in th e
same f actor y).
2. Th e sig nal l ig h t d on' t l ig h ts u p
If al l t h e si g nal i npu t i s f i ne and t h e si g nal l i g h t
d on't l i g h t s u p t h en m ay t h e am pl i f i er h as f ai l u r e,
yo u need t o ask t h e pr of essi onal per so n t o
ch eck i t .
3 . Sig nal inp u t nor mal b u t no sou nd
Th e si g nal l i g h t w i l l f l ash w i t h t h e ch ang e of i npu t
vo l u m e, b u t no so u nd ou t , t h en yo u ca n ch eck
t h e co nnect of sp eakon i f i t i s co nnect g ood and
t h e w i r es ar e co nnect r i g h t ( so m e t i m es t h e
pr ob l em of t h e w i r es co nnect , ch eck i t s± 1 and ± 2
co nnect ) , af t er t h e ch eck ab ove i f st i l l no so u nd
ou t , pl ease ch ang e a sp eaker ca b l e and ch eck
ag ai n. Beca u se so m e t i m es al so ca u se d b y t h e
b ad q u al i t y of t h e Speakon co nnect or pr ob l em of
t h e am pl i f i er
Th r ou g h exp er i ence s, i t m ay ca u se d b y t h e
b ad co nnect i on of so m e pl u g s and t h e so cke t .
Ou tp u t sou nd d istor tion
1. Af t er ch eck t h e si g nal and l ou d sp eaker
t h ey ar e f i ne and st i l l ca n h ear d i st or t i on w h en
sm al l so u nd , t h en m ay t h e am pl i f i er h as
f ai l u r e, need pr of essi onal per so n t o ch eck i t .
2. Som e f r eq u ency b and h as d i st or t i on
F i r st , ch eck i f t h e l ou d sp eaker al r ead y
ove r l oad , nor m al l y j u d g e i t i n 9 5 ~10 5 d B f or
h i g h er SPL w e d on't co m m ent h er e. Her e w e
j u st t h i nk ab ou t t h e f ai l u r e r eco ve r y of t h e
am pl i f i er . If i n t h e m i d d l e h ave so m e r u pt u r e
so u nd and m or e sm al l er vo l u m e m or e
ob vi ou s, t h en i t sh ou l d b e cr osso ve r d i st or t i on
of t h e am pl i f i er and t h i s ki nd of d i st or t i on i s
easy t o co nf u se w i t h t h e f ai l u r e of l ou d sp eaker
i t se l f . If t h e am pl i f i er h ave f or pr ob l em t h en yo u
sh ou l d se nd b ack t o t h e m anu f act u r f or r epai r .
3. Di st or t i on i s Hi g h SPL
If t h e so u nd i s nor m al w h en sm al l vo l u m e and
t h en yo u need t o ch eck t h e l i m i t SPL of t h e
l ou d sp eaker . Y ou ca n l i st n i t i n su i t ab l e vo l u m e
and i f cl i p l i g h t w or ks, t h en yo u need r ed u ce
t h e ou t pu t . Bot h l ou d sp eaker and am pl i f i er
h ave l i m i t , yo u sh ou l d u se t h em i n t h ei r l i m i t i f
Th e p r otection l ig h t b l ink s
W h en th e PROTECT l ig h t w or k s, th e amp l if ier
into th e p r otection mod e.
1. Mayb e t h e t em per at u r e i s t oo h i g h or ou t pu t
sh or t or near sh or t and t h ey ar e not f ai l u r e t h ey
ca n r eco ve r y af t er yo u ca n u se i t nor m al l y. Bu t
ove r h eat w i l l t ake m or e t i m e t o r eco ve r y. Al so
w h en ove r h eat h appened yo u sh ou l d ch eak
t h e f an and t h e t em per at u r e of t h e i nst al l
envi r onm ent , i f d oes yo u sh ou l d so l ve t h e
pr ob l em t h en ca n u se am pl i f i er . If yo u t h i nk t h e
sp eaker w as sh or t , yo u ca n w i t h a m u l t i m et er
t o ch eck i f t h e r esi st i s l ow er t h an 2 oh m or 1
oh m w i t h DC ( Pl ease ca l i b r at e t h e m u l t i m et er
t o m easu r e f or accu r acy b eca u se of t h e s m al l
esi st ance ) .
2. If t h e PROTECT aw l ays li g h t u p t h en i t sh ou l d
b e t h e pr ob l em of am pl i f i er , yo u sh ou l d se nd
i t b ack t o pr of essi onal per so n f or r epai r .
H u m in th e system
1. Hu m exi st s eve n w h en t h er e i s no si g nal
Pl ease keep t h e am pl i f i er aw ay f r om ear t h
w i r e of pow er su ppl y ca b l es, j u st co nnect t h e
f i r e w i r e and ze r o w i r e, no g r ou nd w i r e. If t h e
h u m i s st i l l exi st i ng , i t ca n b e j u d g ed t h at t h er e
ar e so m e pr ob l em s i n t h e am pl i f i er . Pl eas e
g et i n t ou ch w i t h pr of essi onal s.
2. Hu m exi st s w h en t h e syst em i s co m pl et el y
co nnect ed Th i s i s ca u se d b y t h e d i f f er ent
g r ou nd vo l t ag es i n d i f f er ence d evi ce s i n t h e
syst em , m ai nl y h appens w h en t h e pow er
su pply i s u nd er t h r ee-ph ase d i st r i b u t i on
co nd i t i on, each d evi ce i s co nnect ed t o
d i f f er ent ph ase . Th i s i s not ca u se d b y am pl i f i er .
Th e amp l if ier is r eq u ir ed maintenance in th e
cond ition b el ow :
1. If t h e am pl i f i er sm okes or sm el l s b u r ni ng .
2. If t h e ca b i net h as se ve r e i nd ent at i on and
d ef or m at i on.
3. If t h e am pl i f i er ar e d i pped i nt o t h e w at er .
4. If t h e i nt er nal co m ponent s l oose n.
5 . If AC b r eaker ski ps ou t w h en cu r r ent i ncr ease s.
i n ve r y h i g h SPL t h ey h ave d i st or t i on yo u sh ou l d
t ake ca r e of t h em and r ed u ce t h e ou t pu t t o t h e
r i g h t posi t i on.
Sol u tion ex p er iences, j u st f or r ef er ence
A. Com b i ng t h e el ect r i ci t y t h e pow er d i st r i b u t i on
,
b ox u si ng t h e sa m e one f or al l i f possi b l e.
B. Make su r e t h e g r ou nd i ng w i r e pot ent i al i s ze r o
and f or ce t h e d i f f er ent g r ou nd i ng w i r e t o t h e
sa m e l eve l , i f t h e g r ou nd i ng w i r e i t se l f ch ar g ed ,
i nd i ca t es t h at t h e w i r e m ay b e co nnect ed w i t h
t h e ze r o l i ne. Pl ease so l ve t h i s pr ob l em .
c. If u nava i l ab l e ab ove , t h en onl y t o d i sco nnect
t h e g r ou nd w i r es of al l d evi ce s, w h i ch h el ps t o
r ed u ce t h e AC. Bu t t h i s i s not m eet t h e sa f e
u se of el ect r i ci t y, u se r s m u st know w h at w ill
h appen i f t o d o i n t h i s w ay. W e d o not
r eco m m end t h e f l oat i ng u se .
11

0 dB = 1 V
The power is tested under the condition of 20ms burst 1kHz sin wave and 1% THD.
2/3 rated, 8Ω/CH
Note: The design and specifications are subject to change without notice for improvement.
10. SPECIFICATIONS
11.
DIMENSIONAL DIAGRAM
Power Source 100 - 240V AC, 50/60 Hz
Amplification System Class D
Power Consumption
Input CH1-4 : 20kΩ( balanced ) / 10kΩ,
XLR-F connector
Output LINK CH1-4 : XLR-M connector
SPEAKER 1-4 :
4 channels : 650Wx4 (8Ω,1000Wx4 (4Ω
2 channels(BRIDGE) : 2000Wx2 (8Ω
NL4 SPEAKON connector
Frequency Response 20Hz - 20kHz (+/-3dB)
Total Harmonic Distortion ≤0.1%
S/N Rate ≥100dB
LED Indicator Protect (red)/ Clip (red)/ -5dB(green)/-10dB(green) / -20dB(green) /
Signal(green) / Power(green)
Cooling Air flow from front to rear
Operating Temperature 0℃~+35℃ (32℉ to 95℉)
Operating Humidity 80% RH or less (no condensation)
Finish Case : plated steel sheet, black
Dimensions 483 (W) x 89 (H) x 461 (D) mm [19.02” x 3.5” x18.15”]
Weight 9.2kg [20.28 lb]
Accessory Power Cable ...1
Unit: mm [in]
483 [ 19.02” ]
89 [ 3.5” ]
Rear View
Side View
Front View
430 [ 16.93” ]
461 [ 18.15” ]
423 [ 16.65” ]