May be covered by one or more of the following: U.S. Patents #4538297, 4647876, 4696044, 4745309, 4881047,
4893099, 5124657, 5263091, 5268527, 5319713, 5333201, 5402498 and 5493617.
Other patents pending. Foreign patents pending.
O.D.B Overdrive Dynamic Blues
Instruction Manual
This pedal is:
Your O.D.B - Overdrive Dynamic Blues™ pedal has been tested and complies
with the following Standards and Directives as set forth by the European
Union:
Council Directive(s): 89/336/EEC Electromagnetic Compatibility
Standard(s): EN55013, EN50082-1
This means that this product has been designed to meet stringent guidelines
on how much RF energy it can emit, and that it should be immune from other
sources of interference when properly used. Improper use of this equipment
could result in increased RF emissions, which may or may not interfere with
other electronic products.
To insure against this possibility, always use good shielded cables for all
audio input and output connections. This will help insure compliance with the
Directive(s).
For more information about other Rocktron products, please see your local
dealer or one of our importers closest to you (listed on the Rocktron website
(www.rocktron.com).
Read all instructions contained in this manual.
Keep these instructions
Heed all warnings
Follow all instructions.
Do not use this apparatus near water.
Clean with dry cloth
Copyright © 2010 GHS Corporation
All Rights Reserved.
Compliance
Do not block any ventilation openings (if applicable). 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 ampliers) that produce heat.
This product is not equipped with a plug or cable. This pedal runs on a 9
Volt Battery, if a 9Volt DC adapter is the used please follow adapter manufacturer’s operation instructions.
Only used attachments/accessories specied by the manufacturer.
Do not use this product with any case, stand tripod, bracket or table that
is not specied by the manufacturer. Insure that the case, stand, tripod,
bracket etc. is properly adjusted and setup (follow all instructions). Extra
care and caution should be taken to avoid tip over and injury.
Unplug this apparatus during lightening storms or when unused during long
periods of time.
Refer all service to qualied service personnel. Servicing is required when
the apparatus has been damaged in any way, such as power supply or plug
is damaged, liquid has been spilled or objects have fallen into the apparatus
or if the apparatus has been exposed to rain or moisture, does not operate
normally or has been dropped.
DO NOT ATTEMPT TO SERVICE THIS EQUIPMENT. QUALIFIED
PERSONNEL SHOULD SERVICE THIS EQUIPMENT ONLY. DO
NOT MAKE ANY INTERNAL ADJUSTMENTS OR ADDITIONS TO
THIS EQUIPMENT AT ANY TIME OR TAMPER WITH INTERNAL
ELECTRONIC COMPONENTS AT ANY TIME. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY VOID THE WARRANTY OF THIS
EQUIPMENT AS WELL AS CAUSING A SHOCK HAZARD.
OPERATING TEMPERATURE
Do not expose this unit to excessive heat. This unit is designed to operate
between 32 F and 104 F (0 C and 40 C). This unit may not function properly under extreme temperatures.
Precautions
Introduction:
The O.D.B provides the best Blues tone and unparalleled dynamic
control you can get in one pedal. You get total control over the most
subtle nuances.
The O.D.B provides two Germanium clipping diodes that may be
independently assigned to provide soft knee clipping compression
applied to the to the positive cycle of the overdrive output, negative
cycle of the overdrive output or both! Thus providing the musician
total control of the overdrive characteristics providing even /odd
harmonic enhancement produced when Asymmetric clipping is
present.
SYMMETRICAL CLIPPING:
Assigning both + - diodes produces Symmetrical clipping (both
halves of the overdrive output waveform have equal volume).
ASYMMETRICAL CLIPPING:
Assigning only one of the diodes produces Asymmetrical clipping
(one half of the overdrive output waveform is larger than the other)
produces more harmonic overtones.
Germanium diodes are known for their magical soft clipping
properties.
The Drange Control determines how much Soft Knee Clipping is
applied.
Introduction continued....:
OUTPUT: Adjusts the nal Output Gain 0db to +3dBu
TONE: Adjusts nal High Frequency.
GERMANIUM DIODES:
+ When in applies clipping to the positive portion of
overdrive.
- When in applies clipping to the negative portion of
overdrive.
DRANGE: Determines how much soft knee clipping compression
is applied:
(Controls dynamic range [waveform excursion] of the assigned + or –
Germanium process)
DRIVE: Adjust the Overdrive gain (before Germanium diode
circuitry)
The footswitch on the O.D.B controls On/Off status (indicated by
the LED). This stomp box runs on a 9V Alkaline battery. You may
also use the Rocktron DC OnTap Universal Power Adaptor (sold
seperately).
Descriptions
Descriptions continued.........
OUTPUT & TONE Control - The larger outside knob
(Tone Control) controls the nal HIGH FREQUENCY. The smaller inside knob (Output Control) adjusts
the nal output gain 0db to +3dBu.
GERMANIUM DIODES Switches - these two switches turn ON and OFF the positive and negative portion
of the overdrive.
+ Applies clipping to the positive portion of overdrive.
- applies clipping to the negative portion of overdrive.
9VDC Input - This input jack provides 9VDC power
to the pedal from the Rocktron DC OnTap 9V power
supply (sold separately).
DRIVE & D-RANGE Control- The larger outside
knob (D-Range Control) Determines how much
soft knee clipping compression is applied. Controls
dynamic range (waveform excursion) of the assigned
+ or – Germanium process. The smaller inside knob
(Drive Control) adjusts the overdrive gain (before the
Germanium diode circuitry.
INPUT Jack - Using a standard 1/4” guitar cable, plug
your guitar into this jack.
1
2
3
4
5
Descriptions continued.........
ON/OFF Led - This LED shows if the pedal is on or
off. When the LED is light the pedal is on. When the
LED is not light the pedal is off.
OUTPUT Jack - This jack provides the summed output of the effect. Use a 1/4” guitar cable to plug into
the next effect or into a guitar amplier.
FOOTSWITCH - Use this switch to turn on or off the
pedal. The On/Off Led will show you if the pedal is
on or off.
6
7
8
Typical Connection
Specications
Maximum Input
Maximum Output
Input Impedance
Output Impedance
Current Consumption
Power Requirements
Dimensions
Weight
2.2dBu
-0.64dBu
1MΩ
1Ω
15mA
9V Alkaline Battery or
Rocktron DC OnTap Universal Power Supply (sold
separately). Negative tip.
95mm x 120mm x 56mm
3.75” x 4.75” x 2.25”
410g
14.46 oz
How to change the battery:
To change the battery, turn the pedal over and remove
the 4 screws on the bottom. Remove the back cover.
Carefully remove the old battery and replace it with a
new 9V Alkaline battery. Replace battery in the same
area as the old battery was located. Place the back cover
on the pedal and re-insert the screws.
Save yourself tons of money in batteries by using the
Rocktron DC OnTap Universal Power Supply to power
this pedal (sold separately). The Rocktron DC OnTap
provides a constant ow of power to the pedal, unlike a
battery that will degrade over time. The Rocktron DC
OnTap Universal Power Supply can also power up to 20
pedals and can be used with both 110V and 220V power
sources.
Check, www.rocktron.com for more information on the
DC OnTap and where to purchase.
Rocktron - A Division of GHS Corporation
2813 Wilber Ave
Battle Creek MI 49037
USA
www.rocktron.com
info@rocktron.com
tel: 1-269-968-3351
rev. 050710
2010.1
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