avalon-design vp-737 setup Manuale Utente
V T - 7 3 7 S P Q U I C K S E T - U P O P E R A T I N G G U I D E
AC
ON
REV
ON
PRE
IN
IN
X10
IN
X10
IN
IN
IN
SC MIDS
SHELF
FREQUENCY
HI - Q
FREQUENCY
HI - Q
EQUALIZER
35
75
50
100
200
250
300
450
Hz
40
350
220
550
350
1k
1k4
1k6
2k
2k8
Hz
250
2k5
15
30
60
150
Hz
10k
15k 20k
32k
Hz
BASS
- dB +
24
24
4
4
6
6
12
12
2
2
0
SHELF
LOW MID
- dB +
16
16
4
4
6
6
10
10
2
2
0
HIGH MID
- dB +
16
16
3
4
6
5
10
10
2
1
0
TREBLE
- dB +
20
20
4
4
6
6
12
12
2
2
0
150
1k2
OUTPUT
0
40
10
4
4
6
6
8
8
2
2
- dB +
COMPRESSOR
HIGH Z INPUT
FILTER
HIGH
PHASE
GAIN
INSTRUMENT
M I C
METER
EQ COMP
20
10
3
2
AVALON
VA C U U M T U B E
-
7
5
3
1
0
1
2
d e c i b e l s
VU
+
AVALON
DESIGN
v
737
sp
t
+48v
VU
FAST
SLOW
FAST
SLOW
- dB +
30
20
10
5
10
15
15
20
2
5
0
RATIO
1
20
4
7
8
3
10
2
6
5
INSTRUMENT
ATTACK
RELEASE
THRESHOLD
INPUT
MODE
INPUT
COMPRESSION
PREAMP GAIN
2
22
35
38
16
42
10
32
26
45
-28
+9
- dB +
LINE
L I N E
0
30
45
40
55
70
80
100
140
Hz
35
120
60
FREQUENCY
HIGH PASS
PREAMP GAIN
Trims input level
Line -20 to +10dB (+18dB)
Inst -30 to +10dB (+28dB)
Mic 0 to +40dB (+58dB)
INPUT
Selects input source:
Line XLR balanced,
Instrument 1/4" jack
unbalanced, Mic
XLR balanced
INPUT MODE
High gain
Line +8dB
Line +8dB
Inst +18dB
Mic +18dB
Mic +18dB
Phase inverts
the polarity of all
(3) input sources
+48v phantom power
to Mic XLR input
THRESHOLD
Sets compressor
-30dB to +20dB
COMPRESSION
Sets ratio of
compressor
from 1:1 to 20:1
COMPRESS
Switch (in) engages
compressor into
signal path
EQ to COMP
Places the
EQ pre the
compressor
compressor
METER
Selects gain-
reduction (in)
or output (out)
INSTRUMENT
1/4" unbalanced
mono phone jack.
1 meg ohm high-z
input for keyboards,
passive & active,
acoustic, bass and
electric guitars
FILTER
Variable
bass cut filter
6dB per octave
passive type
30Hz to 140Hz
HI PASS (in)
engages bass
cut filter
ATTACK
Variable attack
time for the
compressor
2mS to 200mS
RELEASE
Variable release
time for the
compressor
100mS to 5S
VU
Recessed
screwdriver
adjust for 0dB
when meter switch
(in) for gain-
reduction
BASS
Boost-cut
sets amplitude
of low range
-24dB to +24dB
with center detent
at 0dB
Shelf response
LOW MID
Boost-cut
sets amplitude
of mid range
-16dB to +16dB
with center detent
at 0dB
Peak-dip response
HIGH MID
Boost-cut
sets amplitude
of mid range
-16dB to +16dB
with center detent
at 0dB
Peak-dip response
TREBLE
Boost-cut
sets amplitude
of high range
-20dB to +20dB
with center detent
at 0dB
Shelf response
OUTPUT
Trims final
output level
-40dB to +10dB
with center detent
at 0dB
BASS
4-position switch
selects turnover
passive design
shelf frequency
15Hz to 150Hz
LOW MID
Vari frequency
35 to 450Hz
x10
350 to 4k5Hz
HIGH MID
Vari frequency
220 to 2k8Hz
x10
2k2 to 28kHz
TREBLE
4-position switch
selects turnover
passive design
shelf frequency
10kHz to 32kHz
AC POWER
Note: Check
rear power input
connector for
correct local
ac voltage. Allow
forty seconds for
forty seconds for
the tubes to
stabilize prior
to use.
EQ to SC
Routes the mid band
EQ sections (2) into the
compressor side-
chain for de-ess,
effects and frequency-
selective compression.
AVALON
Class A Vacuum Tube
DIRECT RECORDING SIGNAL PATH
POWER LED
indicates ac
power is on
VU METER
High quality
VU meter
indicates line
output level
or compressor
gain reduction
gain reduction
0 VU= +4dB
VT-737SP
Bandwidth (Q)
(in) = narrow
(out) = broad
(Q=0.5)
(Q=0.2)
(Q=0.2)
Avalon Design is a division of Avalon Industries, Inc. 2000
c
Note:
For the best sonic performance,
a l l o w t h i r t y m i n u t e s f o r w a r m - u p .
When not in use, turn the ac off. This will
extend the life of the electronics . . Enjoy!
Note:
The bass and treble
EQ sections remain in
the audio path when
the EQ switch is (in)