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GainStation 8
11
Control elements
CLEAN GAIN
This potentiometer controls the amount of preamplification
provided by the class A solid-state stage. A range of up to +63 dB
is provided. For more information, please see “Setting levels on
the GainStation 8“ on page 16.
IMPORTANT NOTE: If a Lundahl input transformer is installed,
add 7 dB to the printed values.
TUBE GAIN
This potentiometer controls the amount of preamplification
provided by the tube stage. This stage follows the clean (solid-
state) stage, so that the gain values of the two stages are addi-
tive. Setting Clean Gain at 20 dB and Tube Gain at 15 dB results
in 35 dB of total preamplification.
Turning the Tube Gain control fully counter-clockwise causes
the tube stage to be deactivated and bypassed via a relay.
TIP: For optimal signal-noise ratios at high preamplification
values, the majority of preamplification should be achieved via
the solid-state stage, adding just enough of the tube stage for
the desired sound. Due to the nature of tubes and tube circuitry,
the tube stage is somewhat noisier than the solid-state stage.
OUTPUT LEVEL
This potentiometer adapts the output level to devices following
in the chain or to the converter. At 0 dB the output level is equal
to the internal level indicated by the LED display. The OUTPUT
LEVEL control allows an additional 6 dB of amplification or 26
dB of reduction. The output level control is post-limiter to allow
maximum levels to an external converter.
IMPORTANT NOTE: If the internal level is noticeably above +18
dB (the orange +18 dB LED is brightly illuminated) and the output
level is set to +6 dB, the output level at the analog outputs can
be up to +34 dBu. Please ensure that all other equipment can
handle these levels to prevent possible damage.
N
I
A
G
E
B
U
T
T
u
b
e
+
F
e
t
O
f
f
dB
16
12
9
6
7.5
4
2.5
1
18
20
21
22
23
24
24.5
25
25.5
25.8
26
N
I
A
G
N
A
E
L
C
10
21
19
18
15
16
14
13
12
11
22
24
26
29
32
35
38
41
46
54
63
dB
Mic: +7dB
w/transformer
L
E
V
E
L
T
U
P
T
U
O
-26
6
-10
-12
-14
-18
-16
-20
-22
-24
-25
-9
-8
-6
-5
-2.5
0
2
3.5
5
5.5
dB