Carot One DOPPIO RUM 70 User manual

DOPPIO RUM 70 AUDIOPHILE CLASS D
MONOBLOCK
1 - 11

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Table of Contents
1. INTRODUCTION
3
2. FEATURES.
3
3. OVERVIEW.
7
3.1 Connection
3.2 Operation
4. SPECIFICATIONS
10
4.1 Specification of the Amplifier Unit
4.2 Specification of the AC Adaptor
5. TROUBLESHOOTING
11
6. ACCESSORIES
11

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1. Introduction
Thank you for your purchase of Carot One DOPPIO RUM 70 Class-D mono
block audio power amplifier.
Carot One introduces the mini-size Class-D mono block amplifier DOPPIO
RUM 70 providing up to 1 x 70W output with the bundledAC power supply unit.
With our special techniques in circuit design and component selection, the pair
of DOPPIO RUM 70 provides you stunning power effect while still achieves
the sound quality of high-end Hi Fi but in a very affordable price.
2. Features
Digital class-D amplification for audiophile quality sound, high power
efficiency (90%) and less heat generation
Compact design (mini-size & light weight), easy portable and setup
Individual 24VDC power supply for each unit to ensure sufficient current
provide to circuit for high power output
Each provide up to 1 x 70W output
An AC adaptor is bundled for continuous power supply.
Tried-and-true Texas Instruments Class D architecture
Built-in over/under voltage protection
Built-in over-temperature protection
Audiophile-graded parts and components
The stylish & specially-plated aluminum case provides not only
good-looking, and also provides outstanding shielding capability.

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Safety Guidelines
Important safety instructions
This product is designed and manufactured to meet strict quality and safety
standards. However, you should be aware of the following installation and
operation precautions.
1. Take heed of warnings and instructions
You should read all the safety and operating instructions before operating this
equipment. Retain this handbook for future reference and adhere to all
warnings in the handbook or on the equipment.
2. Water and moisture
The presence of electricity near water can be dangerous.
Do not uses the equipment near water, for example next to a bathtub,
washbowl, kitchen sink, in a wet basement or near a swimming pool, etc.
3. Object or liquid entry
Take care that objects do not fall and liquids are not spilled into the enclosure
through any openings. Liquid filled objects such as vases should not be placed
on the equipment.
4. Placing the equipment
Only use a rack or shelf that is stable and strong enough to support the weight
of this equipment.
5. Ventilation
Do not place the equipment on a bed, sofa, rug or similar soft surface, or in an
enclosed bookcase or cabinet, since ventilation may be impeded. We
recommend a minimum distance of 50mm around the sides and top of the
equipment to provide adequate ventilation.
6 Heat
Locate the equipment away from naked flames or heat producing appliances
such as radiators, stoves or other appliances that produce heat.

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7 Climate
The equipment has been designed for use in moderate climates and in
domestic situations.
8. Cleaning
Unplug the unit from the mains supply before cleaning.
The case should normally only require a wipe with a soft, lint-free cloth. Do not
use chemical solvents for cleaning.
We do not advise the use of furniture cleaning sprays or polishes as they can
cause indelible white marks.
9. Power sources
Only connect the equipment to a power supply of the type described in the
operating instructions or as marked on the equipment.
The primary method of isolating the unit from the mains supply is to use the
switch on the rear of the unit. The unit must be installed in a manner that
makes disconnection possible.
10. Power-cord protection
Power supply cords should be routed so that they are not likely to be walked
on or pinched by items placed upon or against them. Pay particular attention to
the point where they exit from the equipment.
11. Power lines
Locate any outdoor antenna/aerial away from power lines.
12. Non-use periods
If the equipment is not being used for an extended period, we recommend that
you unplug the power cord of the equipment from the outlet, to save power.
13. Abnormal smell
If an abnormal smell or smoke is detected from the equipment, turn the power
off immediately and unplug the equipment from the wall outlet. Contact your
dealer and do not reconnect the equipment.
14. Servicing
You should not attempt to service the equipment.
Contact your dealer to arrange servicing.

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15. Damage requiring service
The equipment should be serviced by qualified service personnel when:
A. the power-supply cord or the plug has been damaged, or
B. objects have fallen, or liquid has spilled into the equipment, or
C. the equipment has been exposed to rain, or
D. the equipment does not appear to operate normally or exhibits a marked
change in performance, or
E. the equipment has been dropped or the enclosure damaged.
Safety compliance
This equipment has been designed to meet the EOCENE 60065 international
electrical safety standards.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference
that may cause undesired operation.
WARNING:
Due to the mains power supply being located on the rear panel, the apparatus
must be located in an open area without anything obstructing access to the
mains switch.
Mains plug/appliance coupler is used to disconnect device and it shall remain
readily operable.
Correct disposal of this product
This marking indicates that this product should not be disposed with other
household waste throughout the EU.
To prevent possible harm to the environment or human health from
uncontrolled waste disposal and to conserve material resources, this product
should be recycled responsibly.
To dispose of your product, please use your local return and collection systems
or contact the retailer where the product was purchased.

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3. Overview
1. Power on/off switch
2. Mute switch
3. Power on/off indicator
4. Mute on/off indicator
5. Power Supply Socket; Plug the bundled ACAdaptor to this socket to
supply power to this amplifier.
6. RCA Signal Input socket
7. Speaker Output binding post
WARNING:
When plug in your pre-amplifier into the mini jack (4), always plug in a vertical
way. NEVER shake the mini jack as this will permanently damage the
internal structure of the socket causing bad contact of signal.

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3.1 Connection
The mini series is easy to use product. Simply connect your pre-amplifier and
speakers following below steps, you can enjoy the high quality music in a
second:
-Connect your pre-amplifier to the RCA Signal Input socket (4) using normal
RCA audio cable (included). As both unit of DOPPIO RUM 70 might be
placed further apart, you might need to split the RCA cable in order to plug
in this audio cable
-Connect your speakers to the binding post (5)
-Connect the power adaptor to the “Power In” connector (3)
It’s now all set and you are ready to enjoy your music.
3.2 Operation
DOPPIO RUM 70 is a pure power amplifier. However, due to its high power
output, On/Off operation must be followed in order to avoid damage to the
amplifier and your speakers.
To turn on the amplifier
Put the volume mute button (2) to the mute position and green indicator (4)
is on
Turn DOPPIO RUM 70 on using the power button (1) and blue indicator (3)
is on
Un-mute the amplifier using the mute button (2), green indicator (4) off
Any volume control should be done on your pre-amplifier.
To turn off the amplifier
Put the volume mute button (2) to the mute position and green indicator (4)
is on
Turn DOPPIO RUM 70 off using the power button (1) and blue indicator (3)
is off

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To mute your music at any time
If you want to mute your music at any time, either mute your pre-amplifier or
put the mute button (2) of DOPPIO RUM 70 to the mute position and green
indicator (4) is on.

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4. Specifications
4.1 Specification of the Power Amplifier Unit
Power IC
Texas Instruments TPA-3116
Output Power
1x70W @4ohm
(24VDC <1% THD+N)
Signal-to-Noise Ratio (SNR)
102dB
(Max output @ THD+N<1% A-weighted)
Frequency Response
20 ~ 20,000 Hz
Input Audio
RCA (mono) x 1
Power Socket
2.1mm x 1
Speaker OUT
Speaker binding post x 2
Power Indicator
(Blue / Green LED) x1
Power Supply
DC 12V-24V (max.)
Dimensions
67mm (W) x 27mm (H) x 118mm (D)
4.2 Specification of the AC Adaptor
AC Input Universal AC 100V-240V/50-60Hz
DC Output DC 24V 5A (120W)
DC Plug DC 2.1mm
Dimensions (L)168mm x (W)65.5mm x (H)39mm

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5. Troubleshooting
If your machine is out of order, it may not be very serious. Before you call your
local distributor or us to repair, you are suggested to check the following:
SYMPTOM
POSSIBLE CAUSE
REMEDY
cannot power ON
indicator not bright
power cords not properly
connected
properly connect the
power cords
no sound at all
The audio cable not
properly connected
properly connect the
audio cable
the speaker cables not
properly connected
properly connect the
speaker cables
Hum
audio connector plug not
fully pushed in
Insert plug securely
sound out(s)
loose connection
check input and output
connections.
6. Accessories
. RCA audio cable x 1
. +24V power supply x 2
. User Guide x 1
OPENITEM ITALIA is WORLDWIDE DISTRIBUTOR of Carot One
Website: www.carotone.it
Email: [e-mail] - END -