Page 2 - Table of Contents; II. Unpacking Instructions
Table of Contents t »- - 1. Introduction 3 II. Unpacking Instructions 3 III. The 901 Series III Loudspeaker System 4 A. Design Features B. Technotogical innovations IV. Installation 6 A. Placing the Speakers B. Connecting the Speakers 1 Wire Selection 2 Phasing/Wiring3 Fusing C. Connecting the Equal...
Page 4 - III. The 901 Series III Loudspeaker System
• t III. The 901 Series III Loudspeaker System A. DESIGN FEATURES 1. Correct Balance ot Reflected and Direct Sound The BOSE 901 Series III is designed to use your listening room walls to simulate the reflective properties of the much larger stage wall found behind the instruments of a live performa...
Page 8 - Installafion
Installafion B. CONNECTING THE SPEAKERS 1. Wire Selection If the wire used to connect the speakers to your power amplifier has too much resistance, audible coloration of the sound and loss of power can result, The table below summar izes maximum wire lengths for 18*. 16*. and 14-gauge, two- conduc...
Page 9 - not
e. Connect t h e t e r m i n a l o n t h e left speaker to the termi nal marked "pos.” "positive." or "plus” on the left channel output of the amplifier or receiver. NOTE; Use only the terminals marked " k" and The terminal marked Is intended for future electronic de velopm...
Page 10 - Installation; if it were a
Installation C. CONNECTING THE EQUALIZER IT IS MOST IMPORTANT THAT YOU FOLLOW THESE IN STRUCTIONS FOR OPTIMUM PERFORMANCE OF YOUR 901 SERIES III SPEAKER SYSTEM 1. UsingtheTapeMonitorCircuit The connection methods described in this section can be used with virtually all integrated amplifiers, preamp...
Page 14 - V. Connecting Other Equipment
V. Connecting Other Equipment A. TAPE RECORDERS Since (he Active Equalizer is connected to your integrated amplifier, preamplifier, or receiver, where the tape recorder is normally connected, extra jacks are provided on the equalizer for the connection of a tape recorder. Refer to FIGURE 7 and follo...
Page 15 - input
If you wish to play your tape recorder without using the equal izer (for conventional speakers or headphones) and your control amplifier has two tape monitor circuits, an additional connection procedure is required: 1 Connect "Y" connectors to both channels at Ihe tape output connections ...
Page 16 - VI. Living with your BOSE 901 Speakers
• • VI. Living with your BOSE 901 Speakers A. ADJUSTING YOUR EQUALIZER CONTROLS The 901 Series 111 equalizer has been completely redesigned wiih new control features, allowing greater flexibility in operation and speaker placement. These controls are particularly useful in establishing the overall ...
Page 18 - VII. Technical Information
t VII. Technical Information SPECIFICATIONS 1. The system is packed in two cartons marked “Part 1“ and “Part 2.” Shipping Weight: F^arl 1.45.5 lbs Pari 2 . 4 3 5 lbs Carton Dimensions: 25%"x I 6 " x 14)4'* 2. The Speaker Dimensions: 21" Wide x 1 2%" High x 13" Deep Weight: 35 lbs...