ARIOSO
Speaker Tube Power Amplifier
PANEL AND PILOT DESCRIPTION
2
1
2
3
1. Volume control
2. LED indicators and control buttons.
1
2
1. Infrared receiver
2. Mute LED indicator
3. Input buttons and LED indicators
4. Standby button and LED indicator
CAUTION! HOT PARTS. DO NOT TOUCH! BURNED
FINGERS WHEN HANDLING THE PARTS. WAIT 15 MIN
AFTER SWITCHING OFF BEFORE HANDLING PARTS.
1
2
3
WARNING - TO REDUCE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS
EQUIPMENT TO RAIN OR MOISTURE. DO NOT REMOVE COVER NO USER SERVICABLE
PARTS INSIDE, REFER SERVICING TO QUALIFIED PERSONEL. HOT SURFACES, KEEP
CAUTION
COMBUSTIBLE MATERIALS AWAY FROM TUBES, DO NOT BLOCK AIRFLOW
1
3
4
TUBES INSTALLATION
3
1. Line input
2. Speaker sockets for 4 and 8 Ohm
3. AC power connection, fuse socket (2A), power switch
1
2
3
4
1. Volume control
2. Standby
3. Mute
4. Input controls
5. Place for lithium battery CR2032 (WARNING! Battery not included)
GENERAL SAFETY INSTRUCTION - READ BEFORE FIRST USE!
The amplifier should be plugged to power socket with ground connection. Please note
that tubes can reach operational temperature with exceeding 150 Celsius(300 F)
therefore tube exchange should be done with the device unplugged from AC power,
after allowing the tubes toer supply from the mains. Remove the damaged tube after
cooldown of the device (min. 15 minutes).
DEVICE VENTILATION
Proper ventilation provides long lifetime of the amplifier. Upper and lower cover are
equipped with ventilation holes which guarantee a free airflow. Bottom ventialation
holes provide cool air into the device case, which flows through it and escapes at the
top cover. Do not obstruct the airflow around the amplifier. Allow at least 30cm(12
inches) free space above the tubes and 10cm (4 inches) for the rear and sides. Do not
place the device on any other heat source. All ventilation openings should remain
uncovered during operation of the amplifier.
LIMITED WARRANTY
The amplifier was manufactured and tested to the highest quality standards. The
limited warranty covers defects in material or workmanship for 36 months (tubes for
5
4
3
2
1
2
5
CR2032
1
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