installation instructions for each separate instrument
to ensure that the clamp fits tightly and precisely.
MERIDIAN PREAMP
Your Meridian Preamp comes factory-preset with the
mid-frequency control system fully activated, which
means the midrange is cut by 16dB. We find this
setting to sound very elegant and “studio like”. You
can adjust this control with a small precision
screwdriver. Turn it clockwise to increase midrange.
Connect the microphone to the Mic In and use an
XLR microphone cable to connect the preamp’s
OUT to an XLR input of a PA or amp. The preamp
works on phantom power via the XLR output, or with
a suitable 12 volt DC power supply (100mA, DC
connector center plus).
Start with both- bass and treble EQ on your amp/PA
turned all the way down. Then add frequencies to
your liking.
MERIDIAN PRO PREAMP
The Meridian Pro Preamp handcrafted at the K&K
facility in Oregon/USA to extremely low noise
specifications with excellent clarity and warm EQ. It
is optimized for the use with the Meridian
Microphone.
Plug the mic in the INPUT and connect the LINE or
XLR OUTPUT (or both) to an amp or PA system.
The Meridian Pro Preamp operates on industry
standard Phantom Power or one 9-volt battery. We
recommend having a 9-volt battery installed in the
unit at all times. Phantom power drops down
considerably under load. If several phantom power
consumers are connected to a mixing board, the
power may drop down below a sufficient supply
voltage for the Meridian Pro Preamp. The battery
will be activated only in case the phantom power
gets too low but it will not be discharged as long as
Phantom Power is higher that the battery voltage.
The LED light on the front-panel indicates if phantom
power is present. In order to save battery it will not
light when the unit works on battery power only.
Always turn the volume on the PA or amp channel
OFF before you plug the XLR cable in/out the
preamp or the mixing board/amp. If you don’t, the
loud crack in combination with a phantom power
spike might damage the preamp’s op-amp!
CHANGING THE BATTERY
To insert and change the battery, open the 2 screws
on the sides of the unit, remove the lid, connect a
fresh 9 volt battery to the battery clip and place it in
the marked compartment.
The unit is delivered without a battery.
ALWAYS UNPLUG THE INPUT CABLE IN ORDER TO
SWICH OFF THE BATTERY when the unit is not in
use!
ADJUSTING THE SOUND WITH THE PREAMP
We recommend to start with all EQ controls turned
down all the way and add frequencies to your liking.
Then listen to the two phase switch settings to get
the best tone and the lowest feedback. But first,
please read the following paragraphs:
ADJUSTABLE GAIN CONTROL
Gain and volume do both have an effect on the
output volume of the preamp but they accomplish
different tasks.
The gain (also called input gain or sensitivity
control) controls the input signal level in the circuit
in the preamp. It sets the amount of pre-
amplification before the signal enters the EQ section
etc.
The volume control on the other hand is located at
the end of the circuit and simply allows lowering or
shutting down the volume.
It is very important to properly set the gain control
to fit the instrument you are using. An instrument
with a high volume will require less gain than one
that is not as loud. Also a player who strums hard
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