Kramer Electronics, Ltd.
Contents Contents 1 2 2.
Introduction 1 Introduction Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been providing a world of unique, creative, and affordable solutions to the vast range of problems that confront the video, audio, presentation, and broadcasting professional on a daily basis. In recent years, we have redesigned and upgraded most of our line, making the best even better! Our 1,000-plus different models now appear in 11 groups 1 that are clearly defined by function.
Getting Started 2.1 Quick Start This quick start chart summarizes the basic setup and operation steps.
Overview 3 Overview The high-performance 903 Personal Stereo Amplifier outputs up to 20W RMS per channel. It uses Class “D” technology for highly efficient signal conversion 1 to a pair of loudspeakers with minimum power loss. The 903 includes: • Control knobs to adjust volume, bass, mid, treble and stereo balance • 4 input selector switches • Outputs for a headphone set and for a pair of loudspeakers • 3 stereo inputs on standard RCA connectors • 1 stereo input on a mini 3.
Your 903 Personal Stereo Amplifier 4 Your 903 Personal Stereo Amplifier Figure 1 and Table 1 define the 903 Personal Stereo Amplifier: Figure 1: 903 Personal Stereo Amplifier 4 KRAMER: SIMPLE CREATIVE TECHNOLOGY
Connecting the 903 Personal Stereo Amplifier Table 1: Features and Functions of the 903 Personal Stereo Amplifier # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 5 Feature INPUT 1 3.
Operating the 903 Personal Stereo Amplifier Figure 2: Connecting the 903 Personal Stereo Amplifier 6 Operating the 903 Personal Stereo Amplifier To operate your 903, as Figure 3 illustrates: 1. Choose the active audio source by pressing an INPUT SELECTOR button. 2. Adjust the VOLUME, BASS, MID, TREBLE and BALANCE controls as required. 3. Select the LOUD switch setting as required.
Technical Specifications 7 Technical Specifications 1 Table 2: Technical Specifications of the 903 Personal Stereo Amplifier INPUTS: 1 unbalanced stereo audio 1Vpp/50kΩ on a 3.5mm mini jack; 3 unbalanced stereo audio 1Vpp/50kΩ on RCA connectors OUTPUTS: Stereo headphone on a 6.
LIMITED WARRANTY Kramer Electronics (hereafter Kramer) warrants this product free from defects in material and workmanship under the following terms. HOW LONG IS THE WARRANTY Labor and parts are warranted for seven years from the date of the first customer purchase. WHO IS PROTECTED? Only the first purchase customer may enforce this warranty. WHAT IS COVERED AND WHAT IS NOT COVERED Except as below, this warranty covers all defects in material or workmanship in this product.
For the latest information on our products and a list of Kramer distributors, visit our Web site: www.kramerelectronics.com where updates to this user manual may be found. We welcome your questions, comments and feedback. Safety Warning: Disconnect the unit from the power supply before opening/servicing. Caution Kramer Electronics, Ltd. Web site: www.kramerelectronics.com E-mail: info@kramerel.
