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6
676
The User Interface & Connectors
Front Panel
PE AK
EQ
ENAB LE
COMP/LIM
ENAB LE
NAR ROW
CO NTOU R
SI DE CHAIN
EN ABL E
OVE REASY
DI GI TAL
OUTPUT
POW ER
|
20d B
PAD+4 8V
POLARITY
IN VER T
80 Hz
LOW C UT
+
0
–
PEAK
LI MIT
GAIN
dB
+55
+25 +50
+40
-
∞
POST TUBE
ATTE NUATION
dB
-
∞
0
-30 -5
-15
LOW
dB
-15 +15
0
MID
dB
-15 +15
0
HIGH
dB
-15 +15
0
AUTO
RELEASE
dB/sec
4k 10
400
1�5k 70
ATTACK
dB/msec
400
80
200 10
1
LI MITE R
dBu
RED: 96kHz
GREEN: 48kHz
YELLOW: 44�1 kHz
-4
+2 +18
+10
OFF
TH RESHOLD
dB
-40
0
+20
-10
-20
-30 +10
RATI O
1:1 ∞:1
1�5:1 3:1
2:1
1�2:1 8:1
MAKEUP
GAIN
dB
-20 +20
0
-10 +10
INSTRUMENT INPUT
ENABLE
CLASS “A” VACUUM TUBE WITH H IG H VOLTAG E GAIN
METE R SE LECTI ON
IN PUT OUTP UT G�R�
FR EQ
Hz
1k
100 8k
200 2k
7
21 4 5
6
3
1. Preamp
This is the preamp section, see ‘The Preamp Section’ on page 8 for further information.
2. EQ
This is the EQ section, see ‘The EQ Section’ on page 10 for further information.
3. Meter
This LED backlit VU meter displays input signal level, output signal level, or the amount of gain reduction applied by the
compressor and/or limiter.
4. Compressor
This is the compressor section, see ‘The Compressor & Limiter Section’ on page 12 for further information.
5. Power Switch
This switch turns the power to the 676 on and off.
6. Meter Selection Buttons
These buttons select what will be displayed in the VU meter, the selections are: INPUT (input level), OUTPUT (output
level), and G.R. (gain reduction applied by compression/limiting).
7. Limiter
This is the limiter section, see ‘The Compressor & Limiter Section’ on page 12 for further information.
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