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Operation

The YJM 308 Overdrive Preamp is the sound of a 
guitar hitting raw distortion.The controls are 
straight forward:

Gain: Adjusts the amount of distortion
Level: Adjusts the overall volume.
The switch engages or disengages the distortion.

Connections

Changing the Battery

1. Remove the back plate screws.
2. Remove and replace the battery.
3. Replace back plate and screws

Note: To prolong battery life, unplug the input jack

when not in use.

Specifications:

Input Impedance: 4 M ohms
Output Impedance: 100 k ohms
Max Input Level: 6 V
Power Supply: 9 VDC

Declaration of Conformity

Manufacturer’s Name:

DOD Electronics 

Manufacturer’s Address:

8760  S. Sandy  Parkway
Sandy, Utah 84070, USA

declares that the product:

Product name:

YJM308

Product option:all (requires Class II power adapter that conforms
to the requirements of EN60065, EN60742, or equivalent.)
conforms to the following Product Specifications:
Safety:

IEC 60065 (1998)

EMC:

EN 55013 (1990)
EN 55020 (1991)

Supplementary Information:

The product herewith complies with the requirements of 
the Low Voltage Directive 72/23/EEC and the EMC 
Directive 89/336/EEC as amended by Directive 93/68/EEC.

President of Harman Music Group
8760 S. Sandy Parkway
Sandy, Utah 84070, USA
Date: October 10, 2001

European Contact:Your local DOD Sales and Service Office or

Harman Music Group
8760 South Sandy Parkway
Sandy, Utah  
84070  USA
Ph: (801) 566-8800
Fax: (801) 568-7583

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