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CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

IMPORTANT SAFETY INSTRUCTION

TO REDUCE THE RISK OF ELECTRIC SHOCK
PLEASE DO NOT REMOVE THE COVER OR
THE BACK PANEL OF THIS EQUIPMENT.
THERE ARE NO PARTS NEEDED BY USER
INSIDE THE EQUIPMENT. FOR SERVICE,
PLEASE CONTACT QUALIFIED SERVICE
CENTERS.

WARNING

To reduce the risk of electric shock
and fire, do not expose this equipment
to moisture or rain.

1.
2.
3.

4.

5.

6.

7.

8.

9.

10.

Dispose of this product should
not be placed in municipal waste
and should be separate collection.

11.

12.

Move this Equipment only with a cart,
stand, tripod, or bracket,
specified by the
manufacturer, or
sold with the
Equipment. When
a cart is used, use
caution when
moving the cart /
equipment
combination to
avoid possible
injury from tip-over.
Permanent hearing loss may be caused by
exposure to \ extremely high noise levels.
The US. Government's Occupational Safety
and Health Administration (OSHA) has
specified the permissible exposure to noise
level.
These are shown in the following chart:

According to OSHA, an exposure to high SPL in
excess of these limits may result in the loss of
heat. To avoid the potential damage of heat, it is
recommended that Personnel exposed to
equipment capable of generating high SPL use
hearing protection while such equipment is
under operation.

This symbol, wherever used, alerts you to the
presence of un-insulated and dangerous voltages

within the product enclosure. These are voltages that
may be sufficient to constitute the risk of electric
shock or death.

This symbol, wherever used, alerts you to

important operating and maintenance instructions.

Please read.

Protective Ground Terminal
AC mains (Alternating Current)
Hazardous Live Terminal

ON:

Denotes the product is turned on.

OFF: Denotes the product is turned off.

The apparatus shall be connected to a mains
socket outlet with a protective earthing
connection.

The mains plug or an appliance coupler is used
as the disconnect device, the disconnect device
shall remain readily operable.

CAUTION

Describes precautions that should be observed to
prevent damage to the product.

Read this Manual carefully before operation.
Keep this Manual in a safe place.
Be aware of all warnings reported
with this symbol.
Keep this Equipment away from water and
moisture.
Clean it only with dry cloth. Do not use
solvent or other chemicals.
Do not damp or cover any cooling opening.
Install the equipment only in accordance with
the Manufacturer's instructions.

Power Cords are designed for your safety. Do
not remove Ground connections! If the plug
does not fit your AC outlet, seek advice from
a qualified electrician. Protect the power
cord and plug from any physical stress to
avoid risk of electric shock. Do not place
heavy objects on the power cord. This could
cause electric shock or fire.

Unplug this equipment when unused for long
periods of time or during a storm.

Refer all service to qualified service personnel
only. Do not perform any servicing other than
those instructions contained within the
User's Manual.

To prevent fire and damage to the product,
use only the recommended fuse type as
indicated in this manual. Do not short-circuit
the fuse holder. Before replacing the fuse,
make sure that the product is OFF and
disconnected from the AC outlet.

HOURS X DAY

EXAMPLE

8
6
4
3
2
1,5
1
0,5
0,25 or less

SPL

90
92
95
97

100
102
105
110
115

Small gig
train
Subway train
High level desktop monitors
Classic music concert

Rock concert

Содержание DRAGONFLY A1000.4

Страница 1: ...A1000 4 DRAGONFLY HIGH EFFICIENCY DIGITAL AMPLIFIER OWNER S MANUAL www altoproaudio com Version 1 2 OCT 2007 LTO R English ...

Страница 2: ...ective Ground Terminal AC mains Alternating Current Hazardous Live Terminal ON Denotes the product is turned on OFF Denotes the product is turned off The apparatus shall be connected to a mains socket outlet with a protective earthing connection The mains plug or an appliance coupler is used as the disconnect device the disconnect device shall remain readily operable CAUTION Describes precautions ...

Страница 3: ...le for Studio Application as well as for amplification of compression drivers or full range speakers where a very high SPL is not demanded Enjoy your A1000 4 and make sure to read this Manual carefully before operation 2 FEATURES Mountable in a 19 rack unit 1 5U and 1 rack space Digital stereo amplifier Hi fi quality for Studio applications Solid and durable rack mountable configuration Switchable...

Страница 4: ...30 12 16 20 18 6 22 24 26 28 dB 8 CLIP SIG LIMIT CH4 A1000 4 DRAGONFLY R LTO Today the advent of high quality computer generated music creates the need for hi fi quality and high SPL audio reproduction In this example the A1000 4 is connected to the output of your computer sound card and drives two pairs of advanced multimedia speakers such as the LTO MICRO4 MULTIMEDIA SET UP HOOK UP 30 12 16 20 1...

Страница 5: ...for a gig in a small pub bar or for a small Band rehearsal session LTO ELVIS 10 ELVIS 12 SMALL GIG SET UP HOOK UP 30 12 16 20 18 6 22 24 26 28 dB 8 CLIP SIG LIMIT CH1 30 12 16 20 18 6 22 24 26 28 dB 8 POWER ON OFF CLIP SIG LIMIT CH1 POWER ON 30 12 16 20 18 6 22 24 26 28 dB 8 CLIP SIG LIMIT CH2 30 12 16 20 18 6 22 24 26 28 dB 8 CLIP SIG LIMIT CH3 30 12 16 20 18 6 22 24 26 28 dB 8 CLIP SIG LIMIT CH4...

Страница 6: ... life of high frequency transducers 6 Signal LED When a signal is applied to the input of your A1000 4 this LED will light up SPOTLIGHT POWER ON OFF POWER ON A1000 4 DRAGONFLY R LTO 30 12 16 20 18 6 22 24 26 28 dB 8 CLIP SIG LIMIT CH1 30 12 16 20 18 6 22 24 26 28 dB 8 CLIP SIG LIMIT CH1 30 12 16 20 18 6 22 24 26 28 dB 8 CLIP SIG LIMIT CH2 30 12 16 20 18 6 22 24 26 28 dB 8 CLIP SIG LIMIT CH3 30 12 ...

Страница 7: ...c range and secure signal reproduction that is distortion free The Limiter status can be monitored from the limit led on the front panel of your A1000 4 10 AC Input 10 5 8 Output Sockets Use these Neutrik Speak on connectors to connect your speakers Standard IEC receptacle Connect your A1000 4 an AC socket with the supplied power cord Before powering up your A1000 4 for the first time make certain...

Страница 8: ...tely two 4 OPERATION 1 Connect two pairs of PA cabinets or studio monitors to the output of your A1000 4 make sure that your A1000 4 is switched off and that the volume controls are turned down all the way 2 Connect your A1000 4 to a mixer a preamplifier or another source making sure that the gain and volume controls on the mixer are turned down 3 Connect some source such as microphones keyboards ...

Страница 9: ...rence near field monitor speakers in smaller studios Your A1000 4 is also at home driving high frequency compression drivers or full range PA cabinets or Stage Monitors when enormous SPL is not required 4 4 POWER CONSIDERATION Digital amplifiers and switch mode power supply which are parts of your A1000 4 are designed to reproduce musical signals with high dynamics high SPL and low distortion For ...

Страница 10: ... Ohms per channel EIAJ 250 Watt Controls Input Sensitivity 4 Ohms 3dBu FRONT POWER SWITCH CH1 CH2 CH3 CH4 LEVEL knobs REAR CH1 CH2 CH3 CH4 LIMITER Indicators per channel Power On Green LED Limit Yellow LED Connectors of each channel Input COMBO connector Power Supply 190 240 VAC 50 Hz 95 120 VAC 60 Hz SNR Signal to Noise Ratio 76 dB Protection Thermal and Short Circuit Protection Net Weight Output...

Страница 11: ...d of 1 year from the purchase date if you have completed the Warranty Registration Card in time LTO 3 2 The warranty service is only available to the original consumer who purchased this product directly from the retail dealer and it can not be transferred 3 3 During the warranty service may repair or replace this product at its own option at no charge to you for parts or for labor in accordance w...

Страница 12: ...hotocopy translation or reproduction of part of this manual without written permission is forbidden Copyright 2007 Seikaku Group SEIKAKU TECHNICAL GROUP LIMITED NO 1 Lane 17 Sec 2 Han Shi West Road Taichung 40151 Taiwan http www altoproaudio com Tel 886 4 22313737 email alto altoproaudio com Fax 886 4 22346757 ...

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