American Acoustic Development Speaker THE CUB User Manual

THE CUB  
OWNER’S MANUAL  
 
Thank you for purchasing the AAD CUB Acoustic Guitar Amplifier. A  
great deal of dedication and passion went into designing and building this  
no compromise, high performance compact-combo amplifier. It was  
conceived to be a dedicated amplifier for the “connoisseur” guitarist.  
Reading this manual will enable you to get the best performance from it so that  
you may enjoy many years of service.  
READ THIS FIRST  
Before using the CUB please read ALL the instructions.  
On receipt of product, check for any signs of physical damage arising  
from shipping. If any damage is visible contact your dealer.  
Keep all original packing.  
Never use this product in the vicinity of water. If the CUB were to get wet,  
it could kill you by electrocution.  
Do not use this amplifier in a way that would compromise its ventilation  
system. When operating, never cover the heatsink on rear panel.  
Do not locate this amplifier near any heat source.  
This amplifier must be connected only to a power source specified in this  
manual.  
For safety do not leave the amplifier plugged into a power source for  
long periods of time when not in use.  
Do not let any liquid or foreign objects fall into any openings on the  
amplifier.  
Never use this amplifier if it has:  
1. Suffered any physical damage.  
2. Been subjected to any liquids, rain or moisture.  
3. Damaged cables connected to it.  
If any of the above occurs, the amplifier should be examined by  
qualified service personnel.  
Always operate this amplifier with the correctly rated fuse.  
Never use this amplifier without proper grounding.  
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OVERVIEW OF THE CUB  
The CUB is not your usual combo amp. On first appearance it may be mistaken for what it is  
because of its diminutive size. Don’t let this fool you, this is a very high performance amplifier  
designed to give the utmost fidelity for acoustic guitar or any other lead musical instrument  
where clean sound and absolute fidelity are paramount. AAD has pushed the envelope in  
creating what is the smallest serious guitar amplifier currently available.  
Rather than cram it with gimmicky features to enhance marketing, we decided to go all out on  
making the best small amplifier money can buy. Nothing this small, with this performance has  
ever been created before. To the working musician this amplifier will not only give sound  
quality beyond expectations but in practical terms of transportation and storage; this amplifier  
will be invaluable.  
FEATURES  
Switchable high impedance/high gain input OR low impedance/low gain stage.  
3 Band EQ designated for guitar.  
FX Send Return sockets.  
Tuner out.  
Pre-amp Output.  
Balanced Line Output with ground lift.  
Smart power sensing that allows amplifier to work on any AC voltage worldwide. Just  
plug in, no switching required.  
Sophisticated amplifier protection circuitry  
Special “Soft-Clipping” 100watt Amplifier  
Ultra low noise pre amplifier circuit.  
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PANEL OVERVIEW  
SEND  
FX  
0 dB  
0
0
0
LEVEL  
INPUT  
-10 dB  
-15dB  
+15dB  
-15dB  
+15dB  
-15dB  
TREBLE  
+15dB  
BASS  
MID  
RETURN  
CUB - GUITAR AMPLIFIER  
110 WATTS/4 OHMS  
SERIAL#: N00001  
American Acoustic Development LLC  
AC~INPUT  
POWER  
ON  
LINE OUT  
LIFT  
TUNER  
I
O
OFF  
GROUND  
100 - 240V~ 50 / 60Hz  
Fuse: T2.5AL 250V  
DI OUT  
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PANEL DESCRIPTION  
1. Input Socket  
Accepts standard mono ¼ inch guitar instrument cable.  
2. Input level switch  
This switches the input sensitivity. 0db with passive pickups or -10dB: output from an  
additional pre amp.  
3. Level Control  
Controls volume of amplifier.  
4. Bass Control.  
5. Mid Range Control  
6. Treble Control  
7. FX Send  
Connect the FX send to auxiliary FX unit input.  
This can also be used as an additional line out if necessary.  
8. FX Return  
Connect the FX Return to auxiliary FX unit output.  
9. Line Out  
These are used for driving a second amplifier.  
10. Tuner Out  
Connect to instrument tuner. This output can also be used as an additional line out.  
11.XLR Balanced Line Out.  
This is an ultra-low impedance (200ohm) balanced line out for use with recording or PA mixing  
consoles.  
12. Ground lift Switch  
When there is a difference in grounding between audio equipment, it can cause what is  
known as a ground loop. This will cause an audible hum or buzz through the speakers or  
main PA speakers. Using this switch will break the ground loop and therefore eliminate  
any hum.  
13. AC Power On/Off Switch.  
14. AC Power input and AC fuse holder.  
Connects the amplifier to AC power supply. Always use a grounded plug and make sure  
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the AC cable is more than 3A rating at 250-volt AC. If you require a longer AC power cord,  
we recommend you use the AAD heavy-duty 20 foot power cords. These are available as  
an accessory. Use a slow blow ¾ inch fuse rated at 2.5 amps.  
OPERATION & POSITIONING  
TURN THE VOLUME DOWN on the CUB before plugging in your instrument.  
Positioning the CUB for Best Sound  
It is recommended that you place the cub on a solid object or dedicated stand for best sound  
and projection. Do not place on a high microphone stand as it will be unstable and easily  
topple over.  
TRANSPORTING AND STORING THE CUB  
When transporting in a vehicle, it is recommended that you use an external case or heavy-duty  
cover to prevent it being damaged by falling over or other objects falling on it. The Cub has an  
optional padded carrying bag as an available accessory.  
When Storing:  
Keep the CUB in a dry location preferably at room temperature.  
Do not store the CUB in temperatures below -20 Degrees C or above 40 Degrees C.  
Do not allow it to get wet. If this occurs, never turn it on in this condition.  
Do not leave the CUB connected to a power source for long periods of time.  
6
 
SPECIFICATIONS  
Speaker  
Computer Optimized Enclosure  
Speaker Frequency Response: 80Hz –15KHz  
Speaker Compliment: 2x 5inch proprietary NEO-POWER, extended-range drivers  
Speaker Sensitivity: 95dB/W/M  
Internal Speaker Impedance: 4 Ohms  
Dimensions (HxWxD): 170x300x320mm  
6.5x11.8x12.5inch  
Weight: 5.2 Kg / 11.5 Lbs  
Amplifier  
PJB 100watt Solid State class AB amplifier with soft clip feature  
Signal to Noise Ratio  
Better than 95 dB  
Impedance  
0dB Input: >4M/22pF  
-10dB Input: >100K/22pF  
Pre Amp Out: < 2KΩ  
Bal. Line Out: <200Ω  
Levels  
0dB Input: 10mV-2.5V  
-10dB Input: 20mV-5V  
Pre Amp Out: 1.2V  
FX send: 250mV  
Bal. Line Out: Typical 100mV  
Protection Circuits  
1. AC line filter.  
2. Slow-blow Fuse: 2.5A / 250V.  
3. Smart Thermal Protection: auto turn down the output power to about 50% when the heat  
sink temperature over 65º C.  
4. Loudspeaker Short-Circuit Protection.  
5. DC Output Protection.  
Included Parts  
12 ft AC Power Cord  
7
 
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SERVICE/WARRANTY INFORMATION  
The CUB has a warranty period of 2 years, starting from the date of purchase. The buyer  
must complete and return the enclosed warranty card within 14 days of purchase.  
This warranty covers defect in materials or workmanship that occurs in normal use. Within  
warranty period AAD will repair or replace the defect unit free of labor and parts charge. It is  
the buyer’s responsibility to use the unit strictly according to instructions written in this  
manual and amplifier manual.  
This warranty is not transferable; it is provided to original owner only. Damage/defects caused  
by the following conditions are not covered by this warranty:  
Improper handling, neglect or failure to operate the unit in compliance with the  
instructions given in user manual;  
Connection or operation of the speakers in any way that does not comply with the technical  
or safely regulations applicable in the country where the product is used;  
Repairs or modifications by anyone other than authorized AAD service agent;  
Damages/defects caused by force majeure or any other condition that is beyond the  
control of AAD.  
Should you need any warranty service, please bring the CUB back to the dealer from whom  
you purchased, along with your sales receipt. Depending on the complexity of the repair work,  
your dealer may return the defect unit to AAD service center for repair or replacement.  
American Acoustic Development LLC  
8559 Page Avenue St. Louis, MO 63114 USA  
Phone: 314 814 3383 or 314 814 1264 Fax: 314  
628 9941  
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