Ultrasound PRO-200 User manual

Back Panel Continued
AC Input: Connect the female end of the AC line
cord here. Connect the male plug to a suitable
source of line voltage. Refer to the voltage
information on the back of the amplifier for its
voltage and current requirements. This connector
also acts as the main fuse holder and includes a
compartment for a spare 5x20mm 6A fuse.
Power: This rocker switch turns the AC power ON
and Off. When ON the power indicator is
illuminated to indicate the unit is ready for play.
Protection
Short circuit and thermal overload
protection.
Spec.’s for the PRO series:
 Input
Impedance: 1 Meg (CH-1), 220k (CH-2)
Sensitivity: 150MV to 6V
 EQ: (Active)
Bass: +/- 12db @ 150HZ (CH-1, CH-2)
Mid: +/- 12db @ 1kHZ (CH-2)
Treble: +/- 12db @ 5kHZ (CH-1, CH-2)
 Shape (CH-1)
+5db @ 3kHZ
-5db @ 1500HZ
+5db @ 100HZ
 Notch (Feedback Elimination) (CH-1)
Range: 100 to 350HZ
Attenuation: –18db
 Line Out
IMP: 10K
Sig. Level: 300MV Nominal
 Output
Power: PRO-100 (100W RMS) PRO-200 (200W RMS)
Total Harmonic Distortion: .1%
Signal to Noise Ratio: 98db
PRO dimensions:
PRO-200 PRO-100
Weight: 50 Lbs. 45 Lbs.
Height: 16” 16”
Length: 21.5” 21.5”
Depth: 10.5” 10.5”
Serial number:
Model number:
Date of purchase:
Purchased from:
Please fill out and keep for your records.
ULTRASOUND AMPLIFIERS
5110 PARK AVE
DES MOINES, IA 50321
PHONE: [phone]
FAX: [phone]
www.UltraSoundAmps.com
E-MAIL: [e-mail]
CUSTOMER / TECHNICAL SUPPORT:
E-MAIL:
[e-mail]
TOLL FREE 1-888-993-5091
ULTRASOUND AMPLIFIERS
5110 PARK AVE
DES MOINES, IA 50321
PRO Owners Guide

GUITAR CHANNEL (CHANNEL - 1)
GUITAR INPUT: Instrument input. Designed
for both active and passive pickups.
VOLUME: Adjusts the pre amp gain,
(sensitivity), of the guitar channel. This control
should be used to match your guitar pickup to
the amplifier. If amp overloading occurs when
using this unit with an active pick up system be
sure to decrease this level until the overloading
situation ceases.
BASS: Adjusts the amount of cut or boost in the
low frequency range.
TREBLE: Adjusts the amount of cut or boost
in the high frequency range.
Notch Filter HZ: Sets the frequency of the
18db cut NOTCH FILTER that is used to
control resonant feedback.
Notch Filter:ON/OFF - Enables or disables
the notch filter control.
EFX LEVEL: Controls the amount of digital
effect mixed in to the guitar signal from 0% to
50%.
EFX MODE: This is a rotary encoder, which
selects 1 of 16 different digital effects. See
Digital Effects Program List.
Shape: ON/OFF This toggle switch enables or
disables the SHAPE control. The shape control
is a mid dip control. In the on position the mid
frequencies will be cut and the high and low
frequencies will be boosted.
MIC/AUX CHANNEL (CHANNEL - 2)
MIC INPUT: XLR input designed for direct
connection of a microphone.
AUX INPUT: 1/4” input designed for
connection to an instrument such as a guitar or
keyboard, and can also be used for connection
to a line level signal from a digital effects
processor.
MIC VOLUME: Controls the volume of the
microphone signal.
AUX VOLUME: Controls the volume of the
Aux. signal.
BASS: Adjusts the amount of cut or boost in
the low frequency range.
MID: Adjusts the amount of cut or boost in the
mid frequency range.
TREBLE: Adjusts the amount of cut or boost
in the high frequency range.
EFX LEVEL: Controls the amount of digital
effect mixed in to the Mic/Aux signal from 0%
to 50%.
EFX MODE: This is a rotary encoder, which
selects 1 of 16 different digital effects. See
Digital Effects Program List.
OVERLOAD LED: This indicator will
illuminate when an overload situation occurs in
the Channel - 2 pre-amp section. IF an overload
is detected in either the Mic Input front end,
Aux input front end, or the tone controls this
LED will illuminate. This is very useful when
setting up Channel - 2 for different
Microphones, instruments, or effects processors.
To remedy an overload situation the
corresponding Volume control on the
PRO or
on the connected instrument can be turned
down until the LED does not illuminate.
MASTER SECTION
HORN VOLUME: Adjusts the amount of
signal being sent to the on board electronic
crossover which feeds the separate high
frequency power amplifier. A higher setting of
this control adds crisp clean high end to the
sound of the amplifier which makes this control
one of the most important when setting up your
PRO for your applications. If you are playing
an acoustic instrument a higher level on the
Horn Volume control will be desirable. If you
are playing an electric guitar through a digital efx
processor a lower Horn Volume level may be
more desirable to reduce any harshness. The
Horn Volume control when used in conjunction
with the separate Treble controls in the pre-amp
sections will give you a lot of control and
flexibility over the high frequency section of the
PRO .
MASTER VOLUME: Adjusts the overall
loudness of the amplifier.
Back Panel
DIRECT OUTPUTS:
The
PRO has both XLR (balanced) and 1/4"
(unbalanced) outputs. The XLR outputs can
drive long cable lengths without added noise
while the 1/4" outputs can drive virtually any
line level input. Separate Channel 1, Channel 2,
and Channel 1+2 outputs are post eq/efx to
ensure a finished mixed signal to a PA system.
GROUND LIFT:
This is a global ground lift which lifts the ground
from pin 1 of the XLR jacks and the sleeve of
the 1/4" jacks to break any ground loops
between the
PRO and a PA system.