A1000.4 DRAGONFLY
HIGH EFFICIENCY DIGITAL AMPLIFIER
OWNER'S MANUAL
www.altoproaudio.com
Version 1.2 OCT. 2007
LTO
R
English
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 ...