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MP105
ROUND SOUND
Tube Mic Preamp
The MP105 provides clear sonic quality and perfor-
mance for the working musician, studio operator or
anyone who needs a preamp with the warm, smooth,
analog sound. The unit uses a premium 7025 tube in a
unique configuration to give smooth controllable gain.
The unit has both XLR and 1/4" inputs and outputs
with a 37 dB Pad on the XLR input, 48 Volt Phantom
Power, and a Phase Reversal switches to adapt to any
performing or studio situation.
WHY TUBES?
Because they sound great! Vacuum tube circuits have
a natural warming effect on audio signals because they
react differently than solid state devices and will not
reproduce sharp transients in the music. The result of
adding a Bellari tube processor or preamp to your sig-
nal is a smooth round sound.
Preamps or signal processors are designed to provide
low noise gain or effects to microphones and instru-
ments without coloring or distorting the sound in an
unpleasant way. The audio signal can go directly from
a Bellari tube processor to the recorder, thus bypass-
ing any additional solid state circuits of a mixer.
SPECIFICATIONS
Input Impedance: XLR: 600 Ω, 100 K Ω Padded
1/4”: 10 K Ω
Output Impdance: 50 Ω
THD: .15%
S/N Ratio: >88 dB
Maximum Input Level: +12 dB XLR, +18 dB 1/4”
Maximum Output Level: +16 dB XLR, +10 dB 1/4”
Pad: - 37 dB
Frequency Response: 20H - 25kHz +/-3 dB
Size (W x H x D) 5.9” x 5.4” x 2.9”
Weight: 1 lb.
Bellari is a division of Rolls Corporation
5968 South 350 West
Salt Lake City, UT 84107
www.rolls.com
Tube preamps and processors have gained in popularity to
counteract the “digital sound” of contemporary digital re-
cording equipment which may sound harsh or brittle. Tube
processors are utilized by recording engineers who prefer
the “sound” of analog recording equipment, but like the
editing and predictability of digital recorders. Bellari tube
processors have a more even harmonic structure, adding
that analog touch back to the signal, so they just plain sound
better.
INPUT OUTPUT
GAIN
LEVEL
REV PHAN
PAD
NORM
PWR
CLIPPHAN
12VAC
+17 +75
-
∞
dB 0