INTRODUCTION Thank you for choosing this Johnson amplifier. Please read this manual carefully and completely before operating your new amplifier. PANEL FUNCTIONS INPUT Connect the cable from your instrument’s output jack to this jack. Always use an undamaged, shielded instrument cable.
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BASS BAND Used to shape the amplifier’s tone by adjusting the bass frequencies. HEADPHONE Used for private listening. Uses a 1/4” jack connector. (Speaker disengaged when headphone jack is in use.) POWER ON/OFF INDICATOR LED glows when the unit is turned on. POWER SWITCH This switch turns the unit ON and OFF.
TECHNICAL SPECIFICATIONS POWER SUPPLY 110/115VAC/50Hz~60Hz POWER OUTPUT: 30 watts RMS @ 8 ohms LOAD IMPEDANCE: 8 ohms INTERNAL SPEAKER SYSTEM: 10” diameter EQ SECTION: 3-BAND EQUALIZER Bass Control Range: Mid Control Range: Treble Control Range: INPUT: 1/4” Mono Jack LINE OUTPUT: 1/4”...
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PRECAUTIONS POWER SOURCES This product should be operated only from the type of power source indicated on the marking label. If you are not sure of the type of power supply to your home, consult your product dealer or local power company. INSERTION WARNING Never place objects of any kind into this product as they may touch dangerous voltage points or short-out parts that...
SAFETY PRECAUTIONS WARNING CAUTION: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS AMPLIFIER TO RAIN OR MOISTURE. DANGEROUSLY HIGH VOLTAGE IS PRESENT INSIDE THE ENCLOSURE. DO NOT OPEN THE CABINET. REFER SERVICING TO QUALIFIED PERSONNEL ONLY. This symbol warns the user of danger- ous voltage levels localized within the enclosure.
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WARRANTY INFORMATION This amplifier is warranted, to the original Purchaser, to be free from defects in material and workmanship for a period of five (5) years from the original retail purchase. This warranty is valid in North America only. The manufacturer shall, at its option, either repair or replace the defective product if the product is returned to the original place of purchase.