11.0 Technical Specifications
MARS HYBRID INTEGRATED AMPLIFIER
WITH USB DAC and WIRELESS
Power Output: Class A RMS 25W per channel
.
.Frequency Response: 20Hz-40kHz (+/-0.5dB 1W)
.S/N Ratio: 92dB
.Output Power Distortion: <1% (4W 1kHz)
.Input Sensitivity: 220mV
.Inputs: LINE, USB DAC, Wireless
.Max. Line Input: RMS 3.5V
.USB DAC Spec.: 24 Bit 96kHz (IC Parts No.: VT1620)
.Speaker Output Impedance: 4Ω or 8Ω
.Headphone Output Impedance: 32-600Ω
.Overall Negative Feedback: -39dB
.Overall S/N Ratio: 83dB
.Power Consumption: Max. 180W
.Operation Method: Class AB
.Output: Preamplifier
.Tubes Required: 6N3
.Dimensions: 190 x 128 x 40 mm (W x D x H)
7.5” x 5” x 6 1.5”
.Weight: 3.5kg / 7.8lbs
MARS
UNIVERSAL TUBE HYBRID
INTEGRATED AMPLIFIER
WITH USB DAC and WIRELESS
with HEADPHONE OUTPUT
WARNING!
Read the instruction manual
completely before use.
IT CONTAINS VITAL SAFETY, WARRANTY
AND LIABILITY INFORMATION.
Thank-you for selecting DARED
as your choice for your
audio entertainment system
and listening pleasure.
By using the product the user acknowledges their
responsibility and agrees to the warranty and liability
statements and safety notices.
Manual Rev 1.3 Nov 26 2014
Experience The Art of Tube
DARED AUDIO INTERNATIONAL
www.dared.com.hk
Tube
12
The Purity of Sound
© 2010-2014 DARED Due to constant improvements, specifications and functions
subject to change without notice. Failure to read and follow the guidelines established in the manual may void warranty. Customer is solely responsible for use.
Tampering or modifying the unit voids warranty. Consult Warranty Statement for all
details.
Dear Valued Customer:
Thank-you for purchasing our revolutionary MARS tube based hybrid
Class AB Integrated Amplifier for your home or office as part of your
music entertainment system. This component has been designed to
offer state-of-the-art high-end performance in an elegant package while
retaining all the sonic hallmarks on which DARED has been recognized
for since 1995. Our dedication to the “Purity of Sound” is an important
reason why our products are sought after retain their value over time.
The performance of your MARS amplifier will continue to improve during the first 480 hours of listening. This is the result of a “break-in” period required for the numerous high quality electronic parts and ageing of
the tube used in the preamplification stage. Before use we encourage
you to please read this manual thoroughly to properly acquaint yourself
with its features. We hope you enjoy listening to our Product as much
as we have had the pride that we have taken in manufacturing this fine
receiver for your listening pleasure. Thank-you for choosing DARED for
your audio experience!
FCC NOTICE: 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.
2. This device must accept any interference received, including interference that may
cause undesired operation.
This equipment generates RF energy and if not installed or used in accordance with the
instructions, may cause harmful interference to radio communications and other devices. There is no guarantee that interference will not occur. If this equipment does cause
harmful interference which can be determined by turning the equipment on or off or
transmitting momentarily, the user is encouraged to try to correct the interference by
one or more of the following methods:
-Re-orient or relocate the receiving antenna.
-Increase the separation between the equipment and the receiver.
-Connect equipment into an outlet on a circuit that is different from that to the receiver is connected to.
-Consult the dealer or an experienced radio/TV/ communications technician.
10.0 MAINTENANCE:
10.1 Tube Replacement
When should I replace a tube? This is a hard one to answer as in this
unit your tube should last depending on its use for a very long period of
time. If you hear unusual sounds, squeals, or have low audio output, or
distorted output, it is time to consider replacing the tube. Your DARED
Dealer may assist. Replace tubes always with the same model number.
10.2 Regular Care
Keep the unit clean and free of dust.
Always turn of power and let the tube cool before cleaning the tube area
and unit.
The vacuum tube may be removed easily with a gentle jiggle while lifting
the tube upwards out of its socket. Use the same method when reinstalling the tubes. Only touch when cool.
When cool the vacuum tubes may be cleaned with a soft and slightly
dampened microfiber cloth.
The case may be cleaned with a slightly sampled microfiber cloth and
then polished using a separate dry soft microfiber cloth.
CE DECLARATION OF CONFORMITY
DARED AUDIO INTERNATIONAL,
Declares that this equipment complies with the essential requirements of the following application Council Directive: 1995/5/EC on Radio Equipment and Telecommunications Terminal Equipment R&TTE Registration Numbers: ATE20141517;
ATE20141518; ATE20141519; ATS2014445
Model No. MARS
This compliance is based on conformity with the following harmonized standards or
documents:
EN 301 489-1 V1.9.2: 2011 EN 62479:2010
EN301 489-17 V2.2.1:2012
EN 60065:2002 +A1:2006 + A11:2008
EN 300 328 V 1.7.1:2006
A2:2010 + A12:2011
Shenzhen, Feb 24 2014
Place and Date of Issue
2
11
1.0 UNPACKING: The DARED MARS Hybrid Integrated Amplifier
should be removed from its box with care. The following accessories
should be found inside:
9.0 Basic Troubleshooting
AC power supply with cable
Symptom
A.
Unit does
not power
up when the
Power
Switch is
Pressed
1)
B. Unit powers
up, Vacuum
Tube does not
light up or glow.
1)
2)
C. No Sound
from
Speakers
1)
Possible Solution
No Power to unit
1) Check that power supply and its AC
line cord is plugged into both the AC
power adapter as well as to a powered
electrical outlet
2) Check if the power supply cable
with 3.5 mm plug is secured to the
amplifier's power input socket on the
rear panel of the amplifier.
Tube not seated
Tube is defective
1) Check tube
2) Replace tube
2)
Audio input not
connected
Incorrect Input
setting
Low volume
Speaker issue
1) Check input connections and
make sure that the source is in
play mode if applicable
2) Check input selector
3) Check volume control, check speaker connection, check tube
4) Check speaker connections
5) Check speakers
1) Speaker polarities are 1)
reversed and not unmatched to the polarity of
the amplifier.
2)
Check speaker connections: Right
Speaker Output connection for
Right Speaker, Left Output connection for Left Speaker
Check that speaker polarity connections are correct: Red of Amp
to Red of Speaker (+); Black of
Amp to Black of Speaker (-)
If you continue to experience difficulty and cannot solve your
issue or have other problems or where the particular problem is
not listed, disconnect the power cord and contact
your Authorized DARED Dealer for assistance.
10
Wireless Antenna
This Owner’s Manual
One set of lint free gloves
Soft cloth bag for MARS
USB Cable
As soon as the amplifier is safely removed from its packaging please perform a thorough physical inspection and report any physical damage to
your dealer immediately. We suggest that you keep all of the original
packaging, storing it in a safe, dry place in the event that you may need it
later to transport or move this product.
At this time also please locate the Product Registration Card and write
down the serial number of your new MARS Amplifier in the space provided on the card as well as below for future reference.
Serial No.: _________________
3)
4)
D. Poor sound
stage, Poor
audio presence,
acoustic image is
unstable characterized by an
unnatural sound
and insufficient
low range tonal
quality.
Cause
Tube cover
Date of Purchase:___________
2.0 About your MARS Hybrid Amplifier: Dared enters a new area
for both new and veteran audio enthusiast alike. Combined with the
latest Class AB Texas Instruments Monoblock linear amplifier with the
exceptional true to life characteristics of the 6N3 tube used in the preamp stage, DARED delivers an affordable yet performing amplifier
with true to life imaging. Its Class AB bridge-tied load (BTL), transformerles output configuration provides exceptional impedance b ridging even at a very low load of 2 ohms. For wireless a CSR 8645 2.4
GHz hi end audio chipset is used to reduce any digital noise and provide an outstanding performance. The aluminum chassis itself reduces
resonance as well as dissipates heat. An overdesigned power stage
prevents high frequency distortion as well as any crosstalk between
the high and low voltage signal paths. With a preamp output, MARS
can also be the bridge between vintage audio equipment with modern
technology adding USB DAC and wireless connection to Smartphones
etc.. Quality components are used throughout the assembly that
should provide you with many years of listening pleasure. Included in
your component selection, design and fabrication :
•
All wiring used is made of Oxygen Free Copper (OFC) having enhanced
conductivity advantageous to audio signal transmission.
•
•
•
•
•
•
PCB using 2 oz copper layer to maintain extreme low resistance and noise
Japanese Nichicon high quality Electrolytic Capacitors
Gold plated connectors
Select 6N3 Vacuum Tube
For superior high frequency performance, Non-inductive resistors used
Gold tube socket connections
3
3.0 SAFETY NOTICES:
8.0 Notes
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings and follow all instructions in this Manual.
4. Do not use this apparatus near water.
5. Clean only with a dry cloth.
6. Do not block ventilation openings. Install in accordance with instructions.
7. Do not install near any heat sources such as radiators, heat registers,
stoves or another apparatus that produces heat.
8. Do not defeat the safety purpose of the polarized or grounding type plug. If
the provided plug does not fit into the outlet, consult your Reseller.
9. Protect the power cord from being walked on or pinched, particularly at
plugs, convenience receptacles, etc.. Unplug the AC mains cord as well as all
other connecting cables during transportation.
10. Only use attachments and accessories specified by DARED or your Authorized DARED Dealer.
11. Use a surge protector on the main AC-Line to this component as well as
all other components connected to this product. Unplug this apparatus during
lightning storms or when unused for long periods of time.
12. Refer all servicing to qualified service personnel. NO USER
SERVICEABLE PARTS INSIDE. Owner may change tubes.
WARNING: TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK, DO NOT EXPOSE THIS
APPLIANCE TO RAIN OR MOISTURE.
OTHER SAFETY CONSIDERATIONS
1. ALWAYS disconnect your entire system from the AC mains before connecting or disconnecting any cables, or when cleaning any component. To
completely disconnect this apparatus from the AC mains, disconnect the
power supply cord plug from the AC receptacle.
2. NEVER use flammable or combustible chemicals for cleaning audio components.
3. NEVER wet the inside of this component with any liquid. If a liquid substance does enter your unit, immediately disconnect it from the AC mains and
take it to your DARED Dealer for inspection.
4. NEVER spill or pour liquids directly onto this component.
5. NEVER block air flow through ventilation slots or heat sinks.
4
9
7.0 BASIC OPERATION
With all connections made and secured, and with all cables tucked away, you
are now steps away from enjoying the sound quality of your MARS integrated
amplifier.
To operate, turn on your MARS amplifier in the following manner:
A. Press in the main power switch in on the front panel. Immediately you will
see the blue indicator light come on above the power on/off switch. There is a
20 second delay before the tube is operating normally, this is called a “Soft
Start” to increase the longevity of the tube.
Allow the unit to warm up for another 1-2 minutes before using. Do not turn the
amplifier on and off until you have warmed up the system for at least 3
minutes.
B. While the unit is heating up, make sure the Volume Control is turned
counter-clockwise, to a lower level. This is good practice as not to damage
your speakers accidently should you have the volume turned up all the
way and one of the selected inputs has an audio signal present.
C. Select the desired Source Input by using the Input Selector Switch on the
front panel to the desired input setting.
D. Turn on the Input Device and, for an example a CD, press play on the CD
player.
You are now ready to begin listening to music. Adjust the volume control to
a comfortable and desired sound level. Your MARS comes with an elegant
wooden wireless on/off Remote Control. Once you have established an accapable volume level for your listening pleasure, you may then turn your
MARS unit on and off using the Remote Control.
NOTE: It is good practice for the first 480 hours play your selected music at
normal listening levels to further burn in the tubes and all components.
6. NEVER bypass any fuse or replace any fuse with a value or type other
than those specified.
7. NEVER expose MARS to extremely high or low temperatures. If the
amplifier has been taken out of storage from an unheated environment, let
the unit acclimate to room temperature before making any connections
and applying power to the unit.
8. ALWAYS keep electrical equipment out of reach of children. This unit
has a Protective Cage / Tube Cover which guards against accidently
touching the glass tube which runs hot when the unit is in operation thus
avoiding a potential injury and burn. Keep children away. Do not handle
the tube when hot, or wet them. Only touch the tubes only when they are
cold and the unit is unplugged from its source of AC Power.
9. ALWAYS unplug sensitive electronic equipment such as this unit
during lightning storms.
CONGRATULATIONS!
NOW YOU ARE READY TO START!
4.0 Installation & Placement
Your MARS amplifier as is the case with any tube equipped device is more
sensitive than most other types of audio components to EMI (electromagnetic interference) from power supplies and motors including vibration.
Consequently, it should be placed at a minimum distance of 18 inches from
power supplies, turntables, tape decks, AC line filters, etc..
One should never place another component directly on top of this integrated amplifier, and as good practice, it is not recommended to directly place
this component on another audio component that generates heat.
NEVER PLACE THIS COMPONENT ON TOP OF A LOUDSPEAKER.
Vibration picked up by the tubes will damage them and shorten their useful
life.
When dressing cables, take care as to tuck away loose cables so someone
may not trip on them.
Allow also for ample air circulation around the MARS amplifier.
8
5
5.0 FAMILIARIZING YOURSELF WITH YOUR MARS AMP
Front
6.0 CONNECTIONS
Shown with protective tube cage removed.
1
2
3
4
(1) USB, LINE or Wireless input selector
(2) Headphone Jack
(3) Volume Control
(4) Power On/Off Button
(5) Power Input Jack: 12—14 VDC, 5A
(6) USB DAC
(7) Antenna for Wireless receiver
(8) Line Input
(9) Preamplifier output (L&R)
(10) Right and Left Speaker Output; 4 or 8 Ohms
Rear Panel Connections
5
6
7
8
9
10
6.1 Connect your MARS integrated amplifier to the various components that
you wish to use. (Example: CD Player connected to Line Input via a pair of
good quality RCA terminated shielded cables, and your PC to the DAC input
via USB cable.) Check Channel designations (L + R, Red and Black).
6.2 Connect your MARS amplifier’s speaker outputs using good quality designated audiophile speaker cable to your speakers. (Your Authorized DARED
Dealer may be of assistance regarding cable selections.) Check channel designations, L & R (Left & Right) as well as Speaker Polarity Red & Black (+
and -).
6.3 With all input and output connections made, Use the supplied AC power
adapter with its IEC power cord, connecting the 3.5 mm plug into the power
jack on the rear panel. Ensure that the AC wall outlet you use has a functioning ground. Then, it is preferable that you plug your MARS amplifier into a
surge suppressor or combination surge suppressor power bar used as well for
your other audio components. Best is to connect the AC power cord, suppressor or power bar directly into a dedicated AC outlet. Best to avoid using an
extension cord.
NOTE: In order to obtain the maximum performance from your audio system
we strongly recommend that the detachable power cord does not come into
physical contact with any of the interconnect cables running to and from your
MARS amplifier. In the event that this can’t be avoided, you should ensure
that any cables coming into contact with each other are crossed at ninety degree angle to minimize the contact area.
6
7
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