digi-tech DB15 User manual

Owner’s Manual
Electric Bass Amplifier

2
U.K. MAINS PLUG WARNING
A molded mains plug that has been cut off from the cord is unsafe.
Discard the mains plug at a suitable disposal facility.
NEVER UNDER ANY CIRCUMSTANCES SHOULD YOU
INSERT A DAMAGED OR CUT MAINS PLUG INTO A
13 AMP POWER SOCKET.
Do not use the mains plug without the fuse cover in place.
Replacement fuse covers can be obtained from your local retailer.
Replacement fuses are 13 amps and MUST be ASTA approved to
BS1362.
The symbols shown above are internationally accepted symbols that
warn of potential hazards with electrical products. The lightning flash
with arrowpoint in an equilateral triangle means that there are danger-
ous voltages present within the unit. The exclamation point in an
equilateral triangle indicates that it is necessary for the user to refer to
the owner’s manual.
These symbols warn that there are no user serviceable parts inside
the unit. Do not open the unit. Do not attempt to service the unit
yourself. Refer all servicing to qualified personnel. Opening the chassis
for any reason will void the manufacturer’s warranty. Do not get the
unit wet. If liquid is spilled on the unit, shut it off immediately and
take it to a dealer for service. Disconnect the unit during storms to
prevent damage.
If you want to dispose this product, do not mix it with general household waste. There is a
separate collection system for used electronic products in accordance with legislation that
requires proper treatment, recovery and recycling.
Private household in the 25 member states of the EU, in Switzerland and Norway may return their used
electronic products free of charge to designated collection facilities or to a retailer (if you purchase a similar
new one).
For Countries not mentioned above, please contact your local authorities for a correct method of disposal.
By doing so you will ensure that your disposed product undergoes the necessary treatment, recovery and
recycling and thus prevent potential negative effects on the environment and human health.
Important Safety instructions
SAFETY INSTRUCTIONS
NOTICE FOR CUSTOMERS IF YOUR UNIT IS EQUIPPED WITH A POWER
CORD.
WARNING: THIS APPLIANCE SHALL BE CONNECTED TO A MAINS
SOCKET OUTLET WITH A PROTECTIVE EARTHING CONNECTION.
The cores in the mains lead are coloured in accordance with the fol-
lowing code:
GREEN and YELLOW - Earth BLUE - Neutral BROWN - Live
As colours of the cores in the mains lead of this appliance may not
correspond with the coloured markings identifying the terminals in
your plug, proceed as follows:
•The core which is coloured green and yellow must be connected
to the terminal in the plug marked with the letter E, or with the
earth symbol, or coloured green, or green and yellow.
•The core which is coloured blue must be connected to the
terminal marked N or coloured black.
•The core which is coloured brown must be connected to the
terminal marked L or coloured red.
This equipment may require the use of a different line cord,
attachment plug, or both, depending on the available power source
at installation. If the attachment plug needs to be changed, refer
servicing to qualified service personnel who should refer to the
table below. The green/yellow wire shall be connected directly
to the units chassis.
CONDUCTOR WIRE COLOR
Normal Alt
LLIVE BROWN BLACK
NNEUTRAL BLUE WHITE
EEARTH GND GREEN/
YEL GREEN
WARNING: If the ground is defeated, certain fault conditions in
the unit or in the system to which it is connected can result in full
line voltage between chassis and earth ground. Severe injury or
death can then result if the chassis and earth ground are touched
simultaneously.
ELECTROMAGNETIC COMPATIBILITY
This device complies with the Product Specifications noted on
the Declaration of Conformity. Operation is subject to the
following two conditions:
• this device may not cause harmful
interference, and
• this device must accept any interference received, including
interference that may cause undesired operation.
Operation of this unit within significant
electromagnetic fields should be avoided.
• use only shielded interconnecting cables.

3
DECLARATION OF CONFORMITY
Manufacturer’s Name: DigiTech
Manufacturer’s Address: 8760 S. Sandy Parkway
Sandy, Utah 84070, USA
declares that the product:
Product name: DB15
Product option: None
conforms to the following Product Specifications:
Safety: IEC 60065 -01+Amd 1
EMC: EN 55022 (N/A Analog Product)
EN 55020
EN61000-3-2
EN61000-3-3
Supplementary Information:
The product herewith complies with the requirements of the:
Low Voltage Directive 2006/95/EC
EMC Directive 2004/108/EC.
RoHS Directive 2002/95/EC
WEEE Directive 2002/96/EC
EC Regulation 278/2009
With regard to Directive 2005/32/EC and EC Regulation 1275/2008 of
17 December 2008, this product is designed, produced, and classified as
Professional Audio Equipment and thus is exempt from this Directive.
Roger Johnsen
Director, Engineering
Signal Processing
8760 S. Sandy Parkway
Sandy, Utah 84070, USA
Date: September 30, 2011
European Contact: Your local DigiTech Sales and Service Office or
Harman Signal Processing
8760 South Sandy Parkway
Sandy, Utah
84070 USA
Ph: [phone]
Fax: [phone]
PRECAUTIONS
• Beforeplugginginthepowercable,
ensurethattheVoltageswitchisproperly
setforyourCountriesoperatingVoltage.
• Neverusethisequipmentinthesun,rain
orhighhumidity.
• Ensurethepowerswitchisinthe
offpositionbeforeconnectingor
disconnectingtheinstrumentcable.
• Donotopenthisequipment(riskof
electricshock).
• Donotexposethisequipmenttohigh
impactshockorvibration,evenwhen
turnedoff.
• Nevercovertheequipmentwheninuse.
• Neverusechemicalproductstocleanthis
equipment.Useonlyasoft,cleancloth.
• Whenchangingthefuse,replacewith
onlythesamesize,typeandrating.
Important Safety instructions
WARNING FOR YOUR PROTECTION
READ THE FOLLOWING:
KEEP THESE INSTRUCTIONS
HEED ALL WARNINGS
FOLLOW ALL INSTRUCTIONS
THE APPARATUS SHALL NOT BE EXPOSED TO DRIPPING OR SPLASHING
LIQUID AND NO OBJECT FILLED WITH LIQUID, SUCH AS VASES, SHALL
BE PLACED ON THE APPARATUS
CLEAN ONLY WITH A DRY CLOTH.
DO NOT BLOCK ANY OF THE VENTILATION OPENINGS. INSTALL IN
ACCORDANCE WITH THE MANUFACTURER’S INSTRUCTIONS.
DO NOT INSTALL NEAR ANY HEAT SOURCES SUCH AS RADIATORS, HEAT
REGISTERS, STOVES, OR OTHER APPARATUS (INCLUDING AMPLIFIERS)
THAT PRODUCE HEAT.
ONLY USE ATTACHMENTS/ACCESSORIES SPECIFIED BY THE
MANUFACTURER.
UNPLUG THIS APPARATUS DURING LIGHTNING STORMS OR WHEN
UNUSED FOR LONG PERIODS OF TIME.
Do not defeat the safety purpose of the polarized or grounding-type plug. A
polarized plug has two blades with one wider than the other. A grounding
type plug has two blades and a third grounding prong. The wide blade or
third prong are provided for your safety. If the provided plug does not fit your
outlet, consult an electrician for replacement of the obsolete outlet.
Protect the power cord from being walked on or pinched particularly at plugs,
convenience receptacles, and the point where they exit from the apparatus.
Use only with the cart stand, tripod bracket, or table specified by the manufac-
ture, or sold with the apparatus. When a cart is used, use caution when moving
the cart/apparatus combination to avoid injury from tip-over.
Refer all servicing to to qualified service personnel. Servicing is required
when the apparatus has been damaged in any way, such as power-supply
cord or plug is damaged, liquid has been spilled or objects have fallen into
the apparatus, the apparatus has been exposed to rain or moisture, does not
operate normally, or has been dropped.
POWER ON/OFF SWITCH: For products provided with a power switch, the
power switch DOES NOT break the connection from the mains.
MAINS DISCONNECT: The plug shall remain readily operable. For rack-mount
or installation where plug is not accessible, an all-pole mains switch with a
contact separation of at least 3 mm in each pole shall be incorporated into
the electrical installation of the rack or building.
FOR UNITS EQUIPPED WITH EXTERNALLY ACCESSIBLE FUSE RECEPTACLE:
Replace fuse with same type and rating only.
MULTIPLE-INPUT VOLTAGE: This equipment may require the use of a differ-
ent line cord, attachment plug, or both, depending on the available power
source at installation. Connect this equipment only to the power source
indicated on the equipment rear panel. To reduce the risk of fire or electric
shock, refer servicing to qualified service personnel or equivalent.
If connected to 240V supply, a suitable CSA/UL certified power cord shall
be used for this supply.

4
Warranty
WeatDigiTech®areveryproudofourproductsandbackupeachonewesellwith
thefollowingwarranty:
1. Please register online at www.digitech.com within ten days of purchase to
validatethiswarranty.
2. DigiTechwarrantsthisproduct,whenusedsolelywithintheU.S.,tobefreefrom
defectsinmaterialsandworkmanshipundernormaluseandservice.
3. DigiTechliabilityunderthiswarrantyislimitedtorepairingorreplacingdefective
materials that show evidence of defect, provided the product is returned to
DigiTech WITH RETURN AUTHORIZATION, where all parts and labor will be
covered up to a period of one year. A Return Authorization number may be
obtainedfromDigiTechbytelephone.Thecompanyshallnotbeliableforany
consequentialdamageasaresultoftheproduct’suseinanycircuitorassembly.
4. Proof-of-purchaseisconsideredtobetheburdenoftheconsumer.
5. DigiTechreservestherighttomakechangesindesign,ormakeadditionsto,or
improvementsuponthisproductwithoutincurringanyobligationtoinstallthe
sameonproductspreviouslymanufactured.
6. Theconsumerforfeitsthebenetsofthiswarrantyiftheproduct’smainassembly
isopenedandtamperedwithbyanyoneotherthanacertiedDigiTechtechnician
or,iftheproductisusedwithACvoltagesoutsideoftherangesuggestedby
themanufacturer.
7. Theforegoingisinlieuofallotherwarranties,expressedorimplied,andDigiTech
neitherassumesnorauthorizesanypersontoassumeanyobligationorliability
in connection with the sale of this product. In no event shall DigiTech or its
dealersbeliableforspecialorconsequentialdamagesorfromanydelayinthe
performanceofthiswarrantyduetocausesbeyondtheircontrol.

5
features
Congratulations on your purchase of the DigiTech DB15!  The DB15, DG15, and
DG15Rfamilyofampliersweredeveloped to providetheguitaristandbassistan
ampliercapableofproducingawidevarietyofhighqualitytones.With15Wattsof
outputpower,theDB15istheperfectpracticeamplierforbeginners,schoolsand
seasonedplayersalike.Havefunexperimentingwiththedifferentstylesandsounds
usingthevariouscontrols.
DB15 Features:
• 15WattsofOutputPower
• 3BandEQ
• HeadphoneOutput
• PowerSwitch
• VolumeControl
• Built-inOpticalLimiter
Included Items:
• DB15Amplier
• PowerCable
• Manual

6
Front Panel
41 5 6 7 82 3
1. Input Jack-Connectyourbassguitartothisinputjack.
2. Volume-Thiscontroladjuststheoutputvolumeoftheamplier.
3. Bass-Thiscontroladjuststhelevelofthelowfrequencies.
4. Middle-Thiscontroladjuststhelevelofthemidfrequencies.
5. Treble-Thiscontroladjuststhelevelofthehighfrequencies.
6. Phones Jack-Connectthisoutputjacktoapairofheadphonesfor
monitoring.
7. Power LED-ThisLEDindicateswhethertheamplierspowerisonoroff
8. Power Switch-Thisswitchturnstheamplierspoweronandoff.

Rear Panel

109
11
9. AC Input-Connecttheincludedpowercabletothisconnector.
10. Voltage Selector-Selectstheampliersoperatingvoltage(120Vor220V).
Setthisswitchtomatchtheoperatingvoltageinyourcountry.
11. Fuse-Thisdraweriswherethefuseresides(replaceonlywithidentical
fuse).

7
Specifications
Output Power: 15WattsRMSInto4Ohms
Fuse: 100-120VAC,F1.0AL250V,5x20mm
220-240VAC,F500mAL250V,5x20mm
Input Level: 10mV–350mV
Supply Voltage: 120V–220V(RearPanelSwitch)
Max Power Consumption: 40Watts
Dimensions: 13.98”(H)x8.15”(D)x14.37”(W)
[355mm(H)x207mm(D)x365mm(W)]
Weight: 15.5lbs
[7.0Kg]

8760 South Sandy Parkway
Sandy, Utah 84070
PH [phone]
FAX [phone]
Please visit us
on the World Wide Web at:
www.digitech.com
DigiTech®is a registered trademark
of Harman
DB15 Owner’s Manual
18-0877-A
Printed in China
Copyright - Harman