Amplifiers
Manea Guitars Hand Made In USA
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WE REPLACE,WE DON’T REPAIR Effective January / 1 / 2012
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Just because your budget has been exhausted after purchasing your new guitar, that
doesn't mean you should compromise on the amp. Ultrasound comes to the rescue with
our newest offer, the AG15. Packed with award winning Ultrasound Tone at a very
affordable price.
The Ultrasound AG15 acoustic amp is the perfect starter amp for acoustic guitar players
looking to amplify their instrument, especially for those playing small clubs and coffee
houses, and who are looking to cart around a light but reasonably loud amplifier. For
warm, full frequency sound, it features Ultrasound’s special design 8" coaxial speaker,
known for its warm low and mid-frequency response as well as a coaxial tweeter for ultra-
clear, sparkling high end. The front panel is simple and easy to use, but intended to give
you satisfying control over your tone, with a volume control and 4-Band EQ. For quiet
playing, use the included ¼" stereo headphone jack.
The AG-30 has been the best selling compact acoustic amp on the market for the last 5
years. The AG-30 has the pro quality tone and workmanship that all Ultrasound amps are
famous for. Don't let it's compact size fool you, the AG-30 has plenty of power for small
venues and with it's Line/Direct outs, it can easily be patched into a sound system for
larger venues. If you want a pro quality amp, with pro quality tone and an amp you will
be able to enjoy for years, buy an Ultrasound AG-30. Specifications...

HEADPHONES: This jack provides a stereo signal to drive headphones. The use of this
jack will disengage the amplifiers internal speaker.
INPUT: Input designed for Instrument level (1/4") signals.
EFX SEND: Output for supplying signals to external low-level effects or signal
processing equipment.
EFX RETURN: Input for returning signals from external low-level effects or signal
processing equipment
VOLUME: Controls the overall volume of the amp.
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: Provides selectable frequency shift of the 18db cut.
NOTCH FILTER: from 100Hz - 350Hz to eliminate resonant feedback.
NOTCH FILTER ON/OFF: -This toggle switch enables or disables the notch filter
control.
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. .
POWER: This rocker switch turns the AC power On and Off. When on the pilot light is
illuminated to indicate the unit is ready for play.

AG-30 Back Panel
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 fuse.
LINE OUT: This jack provides an unbalanced out put from the preamp that is post eq
and post efx. This send can be used to feed a signal to a recording or sound reinforcement
mixer. Additionally this output can be used to drive a slave amp such as the
ULTRASOUND AG-50E.
DIRECT OUT: This XLR jack provides a balanced output signal that is post eq, used to
feed recording or sound reinforcement equipment.



The UltraSound DS4 is one of UltraSounds's most popular amplifier models offering
incredible sound and value with 100% All-Natural Tone. The compact and lightweight
DS4 with 2 - 8" coaxial speakers custom made by UltraSound powered with 50 Watts is
perfect for for the artist playing smaller venues, coffee shops, worship services, or just
kicking back at home.
**CLICK ON
THUMBNAILS
(PICTURES) TO
ENLARGE**
CHANNEL-1
INPUT-1: This combo input is designed for both MIC level (XLR) or Instrument level
(¼”) signals. (The XLR input provides phantom power)
VOLUME: Controls the overall volume level of CHANNEL-1.
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.
Note: When CHANNEL-1 is not in use, be sure to turn all controls to the minimum level
to avoid any unwanted noise being passed through the amplifier.
CHANNEL-2
INPUT-2: Combo Input designed for both MIC level (XLR) and Instrument level (¼”)
signals. (The XLR input provides phantom power)
VOLUME: Controls the overall volume of CHANNEL-2.
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.
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.
MASTER SECTION
Effects Assign: This 3 way toggle switch allows the digital effects to be routed to CH-1,
CH-2, or if in the middle position will supply effect for both channels.
Effects LEVEL: Controls the amount of digital effect mixed in to the guitar signal from 0%
to 50%.
Effects MODE: This is a rotary encoder, which selects 1 of 16 different digital effects.
See Digital Effects Program List.
MASTER VOLUME: Adjusts the overall loudness of the amplifier.
Pilot Light/Limit Indicator : When GREEN, this LED indicates that the power is turned
on. If the power amplifier reaches full power output, the on board Limiter will be enabled
and this LED will turn RED. The Limiter allows the amplifier to be played at full power
without unwanted distortion.

DS4 Back Panel
EFX F.S. (FOOTSWITCH): This jack is for connection to a shorting footswitch. When
the switch is closed the on board digital EFX will be bypassed.
EFX SEND: This jack provides an unbalanced output from the CHANNEL-2 preamp, it
does not include effects or tone control signal.
EFX RETURN: This jack provides a signal pre-eq. It automatically disconnects the
CHANNEL-2 preamp when used.
LINE OUT: This jack provides an unbalanced out put from the preamp that is post eq
and post efx. This send can be used to feed a signal to a recording or sound reinforcement
mixer. Additionally this output can be used to drive a slave amp such as the
ULTRASOUND AG-50E.
DIRECT OUT: Balanced output signal, post eq and post efx, used to feed recording or
sound reinforcement equipment.
TAPE/CD: Unbalanced phono (RCA) input jacks. This is an auxiliary input designed for
use with a drum machine, tape player, CD player, etc. and can be used for playing
prerecorded music.
TAPE/CD LEVEL: This “inset” control adjusts the volume level of the TAPE/CD input.
This control can be adjusted with a small screwdriver. This signal is pre MASTER
control which means that the MASTER volume setting will affect the loudness of the
TAPE/CD input signal.
"The CP-100's high headroom and ability to handle attack transients without compressing
the sound or getting distorted easily allows you to dig in and express yourself. Whether
you pick with skin or nail, play Doc Watson-smooth lead lines or snap the strings with
Mississippi Delta force, the CP-100 will transmit everything with the faithfulness of a
Steinway grand piano soundboard." - Emile Menasche (Guitar World Acoustic magazine)
Hours Monday - Saturday 9:00 AM - 6:00 PM Sunday - Closed Chicago Time USA
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AG15 $ 179.00
AG30 $ 279.00
DS4 $ 599.00
CP100 $ 799.00
CHANNEL-1
INPUT-1: This combo input is designed for both MIC level (XLR) or Instrument level
(¼”) signals. (The XLR input provides phantom power)
VOLUME: Controls the overall volume level of CHANNEL-1.
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.
Note: When CHANNEL-1 is not in use, be sure to turn all controls to the minimum level
to avoid any unwanted noise being passed through the amplifier.
CHANNEL-2
INPUT-2: Combo Input designed for both MIC level (XLR) and Instrument level (¼”)
signals. (The XLR input provides phantom power)
VOLUME: Controls the overall volume of CHANNEL-2.
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.
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.
MASTER SECTION
Effects Assign: This 3 way toggle switch allows the digital effects to be routed to CH-1,
CH-2, or if in the middle position will supply effect for both channels.
Effects LEVEL: Controls the amount of digital effect mixed in to the guitar signal from
0% to 50%.
Effects MODE: This is a rotary encoder, which selects 1 of 16 different digital effects.
See Digital Effects Program List.
MASTER VOLUME: Adjusts the overall loudness of the amplifier.
Pilot Light/Limit Indicator : When GREEN, this LED indicates that the power is turned
on. If the power amplifier reaches full power output, the on board Limiter will be enabled
and this LED will turn RED. The Limiter allows the amplifier to be played at full power
without unwanted distortion.


CP-100 Back Panel
EFX F.S. (FOOTSWITCH): This jack is for connection to a shorting footswitch. When
the switch is closed the on board digital EFX will be bypassed.
EFX SEND: This jack provides an unbalanced output from the CHANNEL-2 preamp, it
does not include effects or tone control signal.
EFX RETURN: This jack provides a signal pre-eq. It automatically disconnects the
CHANNEL-2 preamp when used.
LINE OUT: This jack provides an unbalanced out put from the preamp that is post eq
and post efx. This send can be used to feed a signal to a recording or sound reinforcement
mixer. Additionally this output can be used to drive a slave amp such as the
ULTRASOUND AG-50E.
DIRECT OUT: Balanced output signal, post eq and post efx, used to feed recording or
sound reinforcement equipment.
TAPE/CD: Unbalanced phono (RCA) input jacks. This is an auxiliary input designed for
use with a drum machine, tape player, CD player, etc. and can be used for playing
prerecorded music.
TAPE/CD LEVEL: This “inset” control adjusts the volume level of the TAPE/CD input.
This control can be adjusted with a small screwdriver. This signal is pre MASTER
control which means that the MASTER volume setting will affect the loudness of the
TAPE/CD input signal.

The all New Tri-Amped PRO250 kicks out 250 thundering watts. 150 watts drive the
heavy duty 10" Eminence Speaker. 50W drives the Heavy Duty 4" mid frequency driver,
and 50W (with active Crossover) drives the Super-Tweeter with its own Horn- Level
Volume Control for precise settings of the harmonics and high-end Sizzle.
The PRO-250 features two independent channels, each with volume and active EQ along
with independent, 24 bit digital EFX processors, producing studio quality reverbs,
delays, and chorus effects. And there's the auxiliary Stereo input for MP3, tape/CD
player, drum machine, and other devices. Plus 3 balanced direct XLR outs, 3 line outs,
and 2 EFX loops. Even Global Ground Lift to eliminate ground-loop hum.
PRO250 $ 1,399.00
Control Panel
Back Panel
PRO-250 High points:
250 watts of acoustic power
Special tri-amp design for even response over the full audio frequency range
10" high powered full range driver, powered by 150 watts
4" midrange driver, powered by 50 watts
High frequency “supertweeter” with active crossover, powered by 50 watts. The
Supertweeter has its own volume control for extended versatility with many different
instruments.
3 Line outs
3 Direct outs
2 Effects loops
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.
Dual “On-board” digital effects processors. (One for each channel)
Auxiliary “Stereo” input for MP3 or tape player
Heavy duty 16 ga. Steel chassis
Plywood cabinet with heavy duty tolex covering, metal corner protectors, and heavy duty
rubber feet

"The ULTRASOUND DI Plus is a very powerful tool for any musician. This is not only
a DI but a full featured preamp designed after our famous AG-series amps. Whether at a
local open mic night or at a major concert venue, you will be able to dial in the clear
natural acoustic sound that our amplifiers are known for, and route it to the stage PA
through a balanced XLR output. Sound engineers will appreciate the versatile controls
and the optional 48-volt phantom power operation. Therefore, no more wall warts or
batteries if your mixer has phantom power. (Originally called ULTRA PDI.)
INSTRUMENT INPUT: This input is designed for all passive and active type pickup
signals. When a plug is inserted, the 9V battery is switched on.
INSTRUMENT OUTPUT: This is a "parallel" jack which can be used to send the
"guitar/instrument signal" to an external tuner, guitar amp or other device which can use
an instrument level signal.
EFX LOOP: This is a real world "EFX LOOP". In an effort to save room, most of our
competition uses a TRS jack (tip, ring, sleeve) and Y cable type system. The DI+ is
provided with two 1/4" jacks, one for "SEND" and one for "RETURN". Since the EFX
LOOP interrupts the signal path it can be used as an insert point for a volume pedal,
compressor, or tuner, if the tuner is equipped with a bypass switch. (Try that with one
of our competitors units)
SEND: The signal on the SEND jack is post-input gain and pre EQ. This means that you
can use the SEND signal as an auxiliary unbalanced direct output. This signal is not
affected by any of the panel controls with exception of the "INPUT GAIN" control.
RETURN: A plug inserted into the RETURN jack will interrupt the signal path. The
signal on the tip of the plug inserted into the RETURN jack will be the signal that the DI
Plus will process.
INPUT GAIN: The "INPUT GAIN" is not a volume control, rather this control sets the
level of amplification applied to the input signal to boost it to a useable level. The reason
this is adjustable is to accommodate a wide range of pickup devices.
BASS: This is an "Active" control. The BASS control adjusts the amount of cut or boost
in the low frequency (150HZ) range.
TREBLE: This is an "Active" control. The TREBLE control adjusts the amount of cut or
boost in the high frequency (5kHZ) range.
NOTCH FILTER: ON/OFF - Enables or disables the NOTCH FILTER control.
FREQ. HZ - Sets the frequency (100-350HZ) of the 18db cut NOTCH FILTER that is
used to control resonant feedback.
SHAPE: ON/OFF - This toggle switch enables or disables the SHAPE control. This
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.
PHASE: IN/OUT - Changes the polarity of the signal. Phase affects the way the guitar
top is pressurized by the loudspeakers. When the signals are out of phase with each
other, low-end feedback is minimized. If you experience “positive acoustic” feedback on
stage, flip the phase switch from its current setting to see if this will kill the feedback. If
inverting phase alone does not eliminate feedback, the notch filter can be used. Phase will
also affect the way the guitar signal mixes live and when recording.
XLR LEVEL: This control adjusts the amount of signal sent to the XLR OUT jack.
LINE LEVEL: This control adjusts the amount of signal sent to the LINE OUT jack.
48V : (Phantom Power) This LED lights when there is 48V Phantom Power present on
the XLR OUT jack. No battery drain will occur when Phantom Power is present.
POWER: This LED indicates the DI PLUS is ready to operate. The POWER LED will
illuminate when:
A. A plug is inserted into the INPUT jack and there is a fresh battery installed in the DI
PLUS.
B. A 9VDC adapter (Wall Wart) is plugged into the power jack. (9VDC Regulated Power
Supply - 500mA) (2.1MM DC Power Plug, Center +)
C. There is 48V phantom power on the XLR cable plugged into the XLR OUT jack. (The
48V LED and the POWER LED will both be illuminated.)
XLR OUT: Plug a standard XLR cable from your PA or recording console into this low
impedance balanced output. Use the "XLR LEVEL" control to set the output level which
matches up best with your PA or recording gear and gives you the least amount of noise.
If your board provides 48V phantom power on the XLR cables, the DI Plus will run
from this and save the battery. It is suggested that you keep a battery in the unit as a
backup when using the phantom power. If the phantom power drops, the DI Plus will
automatically switch to battery power.
LINE OUT: This is a standard unbalanced line level output signal. Use the "LINE
LEVEL" control to adjust the signal level on this jack. This output can be used
simultaneously with the XLR OUT jack for some creative signal routing. Plug a standard
instrument cable from this output to a stage monitor amp or unbalanced Mic input on a
mixer.
Because Dean Markley is personally the owner of UltraSound Amplifiers, we got
together and are Reissuing some of the great amps that Dean designed back in the 80’s.
Dean Markley Electronics was about 25 years ahead of themselves with the designs and
tone of their amps.
Welcome to the first of the Reissues!!!! The CD60 All Tube Lead amp with channel
switching!!!!
There will be more to come.
DSX PowerStack $ 988.00
50/100 watt Amp + XTC Extension Cabinet
The DSX PowerStack™ by UltraSound delivers unmatched all-natural acoustic tone in an
ergonomically designed high performance “stack” package. The DSX PowerStack pumps
out 100 watts of incredibly pure warmtone through its four 8” Mylar coned coaxial
speakers which were specially engineered by UltraSound for all-natural acoustic tone
reproduction.
Because the PowerStack is a modular design you only need to take as many speakers as
you think you might need. For smaller venues in a solo arrangement just take the top of
the PowerStack. For louder venus and playing with a band take the entire PowerStack for
a rich full volume sound with 100% All-Natural Tone.
The DSX PowerStack has 2 channels, including phantom-poweredmicrophone inputs for
each channel. Each channel sports its own volume and active EQ.Additional features
include a studio quality DI, effects loop, Extension Speaker Jack, and an additionalAux.
Input for Tape/CD. To further enhance the DSX™, the onboard 24-bit digital effects
processor produces studio quality reverbs, delays and chorus effects, which can be routed
to either or both channels.
DI Plus $ 179.00
Our New DI MAX is the most versatile instrument pre-amp on the market. With 2
independent channels, the DI MAX can be used as a blender as well as a pre-amp. The
Channel-1 input will accept ¼” mono as well as ¼” stereo (TRS) inputs which allows the
DI MAX to process the “tip” signal through the Channel-1 controls and the “ring” signal
through the Channel-2 controls giving you an enormous amount of flexibility for creative
signal blending from your stereo pickups. Of course you can plug 2 different instruments
into the DI MAX and blend the signals. Channel-1 also allows the use of an XLR input
so you can use the DI MAX as a personal mic pre-amp.
The DI MAX lets you dial in a clear, natural sound and route it to a stage PA from a
balanced XLR output. A ¼” Line out sends the signal to your stage amp. Tone controls
include active bass and treble EQ, mid-dip shape control, and phase switch. Operates on
48V phantom power, 9V adapter, or 9V battery.
ULTRASOUND DI MAX Features:
• Full-featured stereo preamp and DI box
• “Bulletproof” metal housing
• Input gain control for each channel to allow proper setting for the huge variety of
acoustic pickup output levels
• Balanced XLR output for routing the signal to a PA system
• 1/4” Line Out for sending the signal to a stage amp
• Both stage and PA outputs have their own level controls
• 48V phantom power capability
• Active bass and treble EQ for each channel
• Mid-dip shape for each channel control permits removal of honky
• Phase switch for each channel to help eliminate feedback

DI MAX $ 229.00
CP100 PowerStack $ 899.00
100 watt Amp + XTC Extension Cabinet
Works on most footswitchable amps that require a single button switchfor channel
switching, effects switching, or other functions
Foot Switch $ 20.00
To use the tilt hardware feature, tilt the amplifier back and fold the tilt back handle down.
Tilt the amp forward until it is resting on the tilt hardware's rubber pad. You are ready to
play. Since the tilt hardware is spring loaded, when the amp is pickup up to transport to
a different location, the tilt hardware automatically folds back against the cabinet. To see
how to easily install this feature on your amp visit the FAQ page and scroll down to the
"How to install tilt hardware" section.
Tilt Hardware Kit Installed $ 30.00
Tilt Hardware Kit $ 20.00


The CD60 amps are all tube, two-channel combos. The clean channel produces lush, 3-
dimensional clean tones with just a bit of grunt when you dig in. The Drive channel starts
with a sweet, bluesy overdrive. But turning up the Overdrive opens the floodgates,
unleashing enough thick, harmonically rich distortion to satisfy the most demanding
player. With a separate Gain (Master Overdrive) control, you can control the balance
when switching between Clean and Overdrive. There is also a “Voicing” switch for the
Overdrive channel, when activated; it gives you all of the thundering low-end response
you’ll ever want.
The 3-band EQ on the CD series amps is where the magic happens. Unlike most amps,
the CD’s tone controls actually have some response when you turn the knobs, giving you
complete control of your tone. Included in the tone arsenal are “Bright” and “Mid Boost”
switches that give you that extra dimension in both the Clean and Overdrive mode. Also
in the tone structure is a Presence control that allows you to sculpt the high-end response.
At the heart of the CD60, you'll find three 12AX7 preamp tubes and a power section
fueled by two 6L6’s, driving a special Celestion 12” Speaker. Foot-switchable Reverb and
Overdrive, variable Effects, Send and Return, along with PA-In and Pre-Out jacks
complete this feature rich CD amplifier.
Controls include:
INPUT 1: Plug in connection for most guitars.
INPUT 2: Plug in connection for high-output/pre-amplified instruments. Provides 6dB
less gain than INPUT 1.
VOLUME: Adjusts the volume level of the normal (clean) channel.
DRIVE: Adjusts the amount of “overdrive” in the (drive) channel.
GAIN: Adjusts the overall volume level of the (drive) channel.
TREBLE - MID - BASS: Passive tone controls that regulate high, mid, and low
frequencies, respectively.
MASTER: Adjusts the overall loudness of the amplifier.
REVERB: Adjusts the Reverb level.
PRESENCE: Adjusts the tone at a point in the signal path after the overdrive for unique
ultra high-frequency tone shaping.
POWER: Illuminates when the unit is on.
DRIVE INDICATOR: Illuminates when the “DRIVE” channel is active.
VOICE SWITCHING: Dedicated to the Overdrive channel, when activated gives you all
of the thundering low-end response you will ever want.
BRIGHT SWITCH: Provides a high frequency boost to both the clean and drive channels
when activated.
MID BOOST SWITCH: Provides a mid frequency boost to both the clean and drive
channels when activated.
Output Power: 60W RMS @ 8 ohms (12" Celestion speaker)
Height: 20"
Length: 20"
Depth: 11"
CD60 Lead/Electric Amp w/Reverbe $ 1,198.00
CD30 Lead/Electric Amp w/Reverbe $ 998.00
Ultrasound Acoustic Products
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Dean Markley Electronics Lead Amp Products
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DM15R Lead/Electric Amp w/Reverbe $ 199.00
DM30RC Lead/Electric Amp w/Reverbe/Chorus $ 249.00
DM60RC Lead/Electric Amp w/Reverbe/Chorus $ 395.00
Under construction. We apologize for the inconvenience.
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