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Thank you for purchasing the AAD CUBII Acoustic Guitar Amplifier. A 
great deal of dedication and passion went into designing and building this 
no compromise, high performance compact guitar amplifier. It was 
conceived to be a dedicated amplifier for the “connoisseur” guitarist looking 
for the most accurate sound reproduction. 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 CUBII 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 as soon as possible. 

 

If possible, keep all original packing. 

 

Do not use this amplifier in a way that would compromise its ventilation system. 
When operating, never cover the heat sink 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.

 

 

The mains plug is used as disconnect device, the disconnect device shall 
remain readily operable. 

 

 

Protective earthing terminal. The apparatus should be connected to a 

mains socket outlet with a protective earthing connection. 

 

 Correct Disposal of this product. This marking indicates that this product 

should not be disposed with other household wastes throughout the EU. To 
prevent possible harm to the environment or human health from 
uncontrolled waste disposal, recycle it responsibly to promote the sustainable 
reuse of material resources. 

 

The apparatus shall not be exposed to dripping or splashing.

 

Summary of Contents for CUBII

Page 1: ...CUB II OWNER S MANUAL ...

Page 2: ... Page 2 General Overview Introduction Page 3 Panel Overview Page 4 Panel Description Page 5 Operation Positioning Page 7 Transporting and storing of the CUBII Page 7 Specifications Page 8 Service Warranty information Page 9 ...

Page 3: ...dinthis manual For safety do not leave the amplifier plugged intoapowersourcefor long periods of time when not in use Do not let any liquid or foreign objects fallintoanyopeningsonthe amplifier Never use this amplifier if it has 1 Sufferedany physicaldamage 2 Beensubjectedtoanyliquids rainormoisture 3 Damagedcablesconnectedto it If any of the above occurs the amplifier shouldbeexaminedbyqualified ...

Page 4: ...DI Line and tuner outputs on back The cub II comes with a padded gig bag and can operate on any AC voltage worldwide With 100 watts of power you can practice or perform anywhere Available in red or black FEATURES Dual channel switchable high impedance high gain input OR low impedance low gain stage One stereo input for Drum machine or I pod MP3 player 3 Band EQ designated for guitar FX Send Return...

Page 5: ...PUT B 18dB 18dB 18dB 18dB 18dB 18dB 18dB 18dB TREBLE 18dB 18dB MID 18dB 18dB BASS LEVEL LOW MUTE HIGH LOW MIC HIGH CLIP INPUT LEVEL BASS MID TREBLE INPUT A POWER MIN MAX BACK PANEL OVERVIEW 100 240V 50 60Hz AC INPUT O I DI OUT LINE OUT TUNER OUT POWER ON OFF BACK REFER TO OWNERS MANUAL NO USER SERVICEABLE PARTS INSIDE BEFORE OPENING PULL MAIN PLUG CAUTION LIFT GND 23 24 25 26 27 28 ...

Page 6: ...IP INDICATOR When the amplifier output is clipping the LED will light up with red 4 INPUT LEVEL SENSITIVITY CHANNEL A 5 BASS EQ CONTROL 6 MID RANGE EQ CONTROL 7 TREBLE EQ CONTROL 8 FX SEND Connect the FX send to auxiliary FX unit input 9 FX BLEND SWITCH This switch select signal from channel A or channel B or both to the FX SEND output 10 FX Return Connect the FX Return to auxiliary FX unit output...

Page 7: ...ents are different when it comes to how much output is from the pickups Likewise for players depending on how hard or soft you play BACK PANEL DESCRIPTION 23 GROUND LIFT SWITCH This allows the grounding of balanced out socket to be disconnected This is useful if you are experiencing hum caused by grounding loops problems 24 BALANCED LINE OUT This is an ultra low impedance 200Ω balanced line out fo...

Page 8: ...r Best Sound It is recommended that you place the cub II on a solid object or the 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 II When transporting in a vehicle it is recommended that you use an external case such as a custom flight case or heavy duty cover to prevent it being da...

Page 9: ...mplifier with soft clip feature Signal to Noise Ratio Better than 95 dB Impedance High Input 4MΩ 22pF Low Input 100KΩ 22pF Pre Amp Out 2KΩ Bal Line Out 200Ω Levels High Input 10mV 2 5V Low Input 20mV 5V Pre Amp Out 1 2V FX send 250mV Bal Line Out Typical 600mV 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...

Page 10: ... 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...

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