dbx Pro dbx Professional Products Vacuum Cleaner 376 Manuel D’Utilisation
Appendix D
Microphone Input
C o n n e c to r:
C o n n e c to r:
F e m a le X L R P in 2 H o t
T y p e :
E le c tro n ic a lly b a la n c e d /u n b a la n c e d
Im p e d a n c e :
3 3 0
Ω
M a x im u m In p u t L e v e l:
-9 d B u o r + 1 1 d B u w ith 2 0 d B p a d e n g a g e d
C M R R :
> 4 0 d B , T y p ic a lly 5 5 d B
E q u iv a le n t In p u t N o is e :
T y p ic a lly -1 2 0 d B u w ith a 1 5 0
Ω
s o u rc e lo a d , 2 0 H z to
2 0 k H z B W
Line Input (Rear Panel)
C o n n e c to r:
C o n n e c to r:
T R S 1 /4 " Ja c k
T y p e :
E le c tro n ic a lly b a la n c e d /u n b a la n c e d
Im p e d a n c e :
2 0 k
Ω
u n b a la n c e d , 4 0 k
Ω
b a la n c e d
M a x im u m In p u t L e v e l:
+ 2 1 d B u b a la n c e d o r u n b a la n c e d
C M R R :
> 4 0 d B , T y p ic a lly 5 5 d B
G a in (D riv e C o n tro l)
-1 5 d B to + 1 5 d B
Instrument Input (Front Panel)
C o n n e c to r:
C o n n e c to r:
T S 1 /4 " Ja c k
T y p e :
U n b a la n c e d
Im p e d a n c e :
4 7 0 k
Ω
M a x im u m In p u t L e v e l:
+ 2 1 d B u u n b a la n c e d
Analog Outputs
C o n n e c to r:
C o n n e c to r:
M a le X L R P in 2 H o t a n d T R S 1 /4 "
T y p e :
S e rv o -b a la n c e d /u n b a la n c e d
Im p e d a n c e :
B a la n c e d 1 2 0
Ω
, u n b a la n c e d 6 0
Ω
M a x im u m O u tp u t L e v e l:
> + 2 1 d B u , > + 2 0 d B m (in to a 6 0 0
Ω
lo a d )
Insert
C o n n e c to r:
C o n n e c to r:
T R S 1 /4 "
T y p e :
U n b a la n c e d
Im p e d a n c e :
1 0 0
Ω
(S E N D ), 2 0 k
Ω
(R E T U R N )
Digital Outputs
C o n n e c to rs :
C o n n e c to rs :
X L R fo r A E S /E B U
R C A fo r S /P D IF
R C A fo r S /P D IF
Im p e d a n c e :
1 1 0
Ω
fo r A E S /E B U
7 5
Ω
fo r S /P D IF
Word Sync Input/Output
C o n n e c to rs :
C o n n e c to rs :
B N C
In p u t Im p e d a n c e :
7 5
Ω
te rm in a te d b y in te rn a l ju m p e r
In p u t:
9 6 , 8 8 .2 , 4 8 , o r 4 4 .1 k H z w o rd c lo c k
O u tp u t:
9 6 , 8 8 .2 , 4 8 , o r 4 4 .1 k H z w o rd c lo c k
System Performance
D R IV E C o n tro l R a n g e :
D R IV E C o n tro l R a n g e :
+ 3 0 d B to + 6 0 d B fo r M ic In p u t
-1 5 d B to + 1 5 d B fo r L in e a n d In s tru m e n t In p u ts
-1 5 d B to + 1 5 d B fo r L in e a n d In s tru m e n t In p u ts
O u tp u t L e v e l C o n tro l R a n g e
-2 0 d B to + 2 0 d B
L IN E :
S e le c ts b e tw e e n m ic ro p h o n e a n d lin e in p u ts
P h a n to m P o w e r:
+ 4 8 V
P A D :
2 0 d B p a d
P H A S E :
R e v e rs e s p in s 2 a n d 3 o f th e m ic ro p h o n e in p u t X L R
L O W C U T :
7 5 H z , 1 2 d B /o c ta v e h ig h p a s s filte r
A n a lo g F re q u e n c y R e s p o n s e :
< 1 0 H z to 7 5 k H z
T H D + N o is e :
0 .3 5 % ty p ic a l a t + 4 d B u o u t, 1 k H z , 4 0 d B g a in
Equalizer
L O W F re q u e n c y :
L O W F re q u e n c y :
8 0 H z , s h e lv in g filte r
H IG H F re q u e n c y :
1 2 k H z , s h e lv in g filte r
M ID F re q u e n c y :
S w e e p a b le fro m 1 0 0 H z to 8 k H z , b a n d w id th 1 .5
o c ta v e s
G a in (a ll b a n d s ):
G a in (a ll b a n d s ):
S w e e p a b le fro m – 1 5 to + 1 5 d B
Compressor
T h re s h o ld R a n g e :
T h re s h o ld R a n g e :
-4 0 d B u to + 2 0 d B u
T h re s h o ld C h a ra c te ris tic :
S e le c ta b le O v e rE a s y o r H a rd K n e e
C o m p re s s io n R a tio :
V a ria b le ; 1 :1 to In fin ity :1 ; 6 0 d B m a x im u m
C o m p re s s io n
C o m p re s s io n
A tta c k T im e :
P ro g ra m -d e p e n d e n t; T y p ic a lly 5 m s (S L O W d is a b le d ),
1 5 m s (S L O W e n a b le d ) fo r 1 5 d B G a in R e d u c tio n
1 5 m s (S L O W e n a b le d ) fo r 1 5 d B G a in R e d u c tio n
R e le a s e T im e :
P ro g ra m -d e p e n d e n t; T y p ic a lly 5 0 d B /s e c (S L O W d is -
a b le d ), 8 d B /s e c (S L O W e n a b le d )
a b le d ), 8 d B /s e c (S L O W e n a b le d )
De-Esser
C h a ra c te ris tic :
C h a ra c te ris tic :
W id e b a n d g a in re d u c tio n
F re q u e n c y R a n g e :
8 0 0 H z to 1 0 k H z H ig h P a s s
R e le a s e T im e :
1 2 d B /o c ta v e p ro g ra m -d e p e n d e n t; a p p ro x im a te ly 1
m s /d B
m s /d B
Analog to Digital Conversion
T y p e :
T y p e :
d b x T y p e IV ™ A /D C o n v e rs io n S y s te m
S a m p le R a te :
9 6 , 8 8 .2 , 4 8 , o r 4 4 .1 k H z s e le c ta b le
W o rd le n g th :
2 4 , 2 0 , o r 1 6 b it s e le c ta b le
D ith e r T y p e :
T P D F , S N R 2 , o r n o n e
N o is e S h a p e :
S h a p e 1 , S h a p e 2 , o r n o n e
O u tp u t F o rm a t:
S /P D IF o r A E S /E B U
Convertor Dynamic Range
107dB typical, A-weighted, 22kHz bandwidth
Power Supply
Operating Voltage:
DO:
Operating Voltage:
DO:
120VAC 60Hz, 100VAC 50/60Hz
EU:
230VAC 50/60 Hz
Power Requirements:
35 Watts
D.3 Specifications
Appendix
®
28
376 User Manual
376