>> Front Panel
or funk bass. Turn it counter clockwise to reduce hiss or
generally dampen the sound for a muted reggae feel.
9 MASTER
This is the overall volume control of the PUMA and works
on internal power amp. It determines the level at the “IN-
TERNAL AND ExTERNAL SPEAKER OUTPUTS” (#17) and
the “LINE OUT” jack on the back panel (#20). Furthermore
you can control the level of the audio source connected
to the Aux In jack to blend it with your bass signal.
10 MUTE
The “MUTE” switch should be depressed when you po-
wer up or down your PUMA – the LED above the switch
illuminates when the function is engaged. In this mode
no audio signal will be processed and heard at any
output except the “TUNER” jack (#21). That way you
don’t have to turn down the volume for silent tuning or
when changing instruments, thus you do without the
nasty cling which you usually hear when you unplug
the jack.
The “MUTE” switch also interrupts the signal path at
the balanced “DI OUT” (#12), no matter which position
the switch “DI POST” (#11) is in (that way your silent
tuning or changing instruments won’t be heard in the
PA, either).
During breaks the amp should be set to “MUTE” rather
than switched off completely. Disengage the “MUTE”
function and start to rumble – now there is signal at
all outputs again.
11 POST
With this switch the balanced “DI OUT” (#12) can be
selected to be a “PRE” or “POST” preamp signal. In the
“PRE” position (switch is not depressed) the “DI OUT”
signal is tapped directly after the input stage including
the “GAIN” control (#3).
In the “POST” position (switch depressed) the “DI OUT”
signal is taken after it has been processed by the com-
plete preamp, i.e. including the “GAIN” control (#3), the
tone control section (#4 through #8), and the “EFFECTS
LOOP” (#19). It is not affected by the “MASTER” control
(#9). As a reference the LED above the “POST” switch
illuminates when the “DI OUT” is set to “POST”.
12 DI
PUMA supplies a transformer balanced line output signal
for connecting to a house mixing board, recording conso-
le or external amplifier(s) with balanced inputs. Connect
a shielded 3-core microphone cable with xLR plugs to
this male xLR output.
The need for an additional active DI box, which can be
pretty expensive, is obsolete. Due to the advanced cir-
cuit design using only the best components available the
high sound quality of the “DI OUT” makes it the amp of
choice in any recording studio (you can use the PUMA’s
pre amp on its own without driving any speakers). The DI
signal can be tapped either before or after the preamp,
as determined by the switch “POST” (#11). There is no
need to be afraid of nasty ground loops as the DI output
is soft-grounded.
13 Power
At the risk of stating the obvious, this stylish yet heavy-
duty rocker switch is used to turn the PUMA on and off.
Before you turn on the amp do make sure that the “MUTE”
switch (#10) is depressed. Activating the POWER SWITCH
(the top of the switch must be depressed towards the amp
chassis) will make the small blue LED in the switch illu-
minate. The amp is OFF when the bottom of the POWER
SWITCH is depressed – the LED will no longer illuminate.
Before you plug in do make sure that the voltage is correct
(see #15)!
7
6
Input
Gain
Lo
LoMid
HiMid
Hi
Master
Mute
Clip
Post
10
0
10
0
10
0
10
0
10
0
10
0
DI
Power
Taste
Rich
Dry
DI
1
4
9
10
11
12
13a
3
5
6
7
8
2
