Page 2 - Care & Safety Instructions; ELECTRICAL CONNECTION:
LTO LTO TM Care & Safety Instructions 1 All the safety and operating instructions should be read before this product is installed and operated. We recommend that installation be carried out by an authorized mobile electronics installation company. Please contact your local ALTO Mobile distributo...
Page 3 - Introduction; THE ALTO MOBILE TEAM
LTO LTO TM Introduction 2 Dear Customer, Thank you for choosing this ALTO Mobile ADP Series Full-Range Class-D Power Amplifier. We hope you will enjoy using this product as much as we enjoyed developing it. The ADP Series is the result of considerable research and development in our R&D centers ...
Page 4 - Drawings Showing the Front and Rear Panels
LTO LTO TM Drawings Showing the Front and Rear Panels 3 1 1 2 2 3 3 4 4 5 5 6 6 FREQ. HP/FLAT/LP GAIN CH 1. 2 CH 1. 2 FUSE GND 12V REM CH2 CH1 CH2 CH1 INPUT OUTPUT POWER INPUT
Page 5 - Installation & Setup Instructions; Signal Inputs; this action will disconnect power; IMPORTANT
Mounting the Unit 3 3 Power, Ground and Remote Switch-On Terminals LTO LTO TM Installation & Setup Instructions 4 Your ADP Series Power Amplifier has two fixing 'ears' at each side, allowing it to be firmly screwed to a suitable surface. It may be mounted vertically or horizontally, but avoid mo...
Page 6 - GND; of automotive noise.; REM; Tape or CD player.
+12V The terminal marked +12V should be connected to a permanent (i.e. not ignition switched) positive 12 Volt supply from the vehicle battery. GND The terminal marked GND (Ground) should be connected to a cable which is terminated to the vehicle chassis. Ensure that the point where this cable attac...
Page 8 - could damage the speaker.; Bridged Mode
See how far you can take the volume control before the signal begins to clip (you may need to reduce the amp gain if it gets too loud). If you see it clip on the scope, back off the volume control a little. Now increase the gain on the amp until you find the highest level before distortion or visibl...
Page 9 - Brief Technical Overview
8 LTO LTO TM Although commonly referred to as a "digital" amplifier, Class-D is more accurately described as a Pulse Width Modulated (PWM) amplifier. A PWM amplifier converts the music (which is a complex arrangement of sine waves) into a series of pulses. The major benefit of this design is...
Page 10 - Further Information; For additional information, please visit our website at; Troubleshooting; , check the speaker cable is connected
9 LTO LTO TM Further Information For additional information, please visit our website at www.altomobile.com , which includes a technical discussion forum where users can exchange ideas. Troubleshooting Power LED not lit : Is the Remote switch cable from the source unit (Cassette or CD Player) attach...
Page 11 - Your ALTO Warranty
10 To be protected by this warranty, the buyer must be able to produce a numbered, machine printed sales receipt from his supplying dealer that clearly shows the dealer's name and address, the buyer's name and address, purchase date, model and serial number of the product. ALTO warrants the mechanic...
Page 12 - Protection Circuitry:; Specifications
11 LTO LTO TM ADP102 Power Output (RMS, 4 ohms): THD: Residual Noise: Xover: Input Gain Range (MAX - MIN): Operating Voltage: Output Efficiency at Full Power: Protection Circuitry: Idle Current (no signal): Standby Current, REM input low: Size: 50W X 2<0.05% @10Vrms 120uVrms (A-wtd)HP/ LP/ FLAT s...
Page 14 - SEIKAKU TECHNICAL GROUP LIMITED
N F 0 1 1 7 3 - 1 . 0 No. 1, Lane 17, Sec. 2, Han Shi W. Road, Taichung, 401 Taiwan http://www.altomobile.com Tel: 886-4-22313737 email: [email protected] Fax: 886-4-22346757 All rights reserved to ALTO Mobile. Due to continued development in response to customer feedback, product features, specif...