Bose Direct / Reflecting 901 Series 4- Manuals

Page 2 - Table of Contents; Unpacking Instructions; Placing the Speakers ,; VI. Technical Information; B. Voltage Conversion

' ’ ~ ■-"■f I <■:: Table of Contents ill. IV. V. Introduction • .• Unpacking Instructions Installation A. Placing the Speakers , B. Connecting; the Speakers • ■;'^/;i;\/::Wire^;S'e^^^ i.--.- z 2! ^ ; P h â s i h ÿ / W Í п h g ' ' . '3/ ■'.'Fusing,'-- ■ ' • C. Connécting the Equalizer; . i -•■...

Page 3 - II. Unpacking Instructions

---- .u^i r^iK' I. Introduction Thank you for purchasing the BOSE 901 Series IV Olrect/Reflect- ing® speaker system. The listening enjoyment you will experience Is the culmination of many years of research dedicated to the art of bringing superb musical reproduction into the home, The BOSE 901 Seri...

Page 6 - Installation; not

Installation i 1 B. CONNECTING THE SPEAKERS 1. Wire Selection If the wire used to connect the speakers to your power ampli fier has too much resistance, audible coloration of the sound and loss of power can result. The table below summarizes maximum wire lengths for 18-, 16-, and 14-gauge, two-con...

Page 8 - if it

Installation C. CONNECTING THE EQUALIZER IT IS MOST IMPORTANT THAT YOU FOLLOW THESE IN STRUCTIONS FOR OPTIMUM PERFORMANCE OF YOUR 901 SERIES IV SPEAKER SYSTEM. 1. Using The Tape Monitor Circuit The connection methods described in this section can be us ed with virtually all Integrated ampiifers. p...

Page 9 - t— arrurl I mr I; The sound should stop.

THE FOLLOWING STEPS ARE PROVIDED TO ENSURETHAT THE EQUALIZER IS PROPERLY CONNECTED TO YOUR HIGH-FIDELITY SYSTEM. h. Place ihe TAPE switch of the equalizer in the MONITOR position. As you slide the LOW and HIGH FREQUENCY SOURCE AND ROOM COMPENSATION controls from one ex treme to the other, you will ...

Page 12 - IV. Connecting Other Equipment

IV. Connecting Other Equipment A. TAPE RECORDERS Since the 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 foll...

Page 13 - input

If you wish to play your tape recorder without using the equalizer (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 the tape out put connections of your ...

Page 14 - V. Living with your BOSE 901 Loudspeakers

V. Living with your BOSE 901 Loudspeakers The effect of listening room acoustics Is to radically modify the tonal balance of any loudspeaker. This effect can be greater than the difference between two loudspeakers of substantially different cost. As part of its ongoing research in sound reproduction...

Page 16 - Living with your BOSE 901 Loudspeakers

Living with your BOSE 901 Loudspeakers If you decide to hang your speakers, place the Pan II speaker on the left side of the room and the Part I speaker on the right side of the room.’ Turn the speakers upside down and place them on a covered surface or rug. ‘Please note that the reversed speaker pl...

Page 18 - Technical Information

Technical Information B. 110-220 VAC VOLTAGE CONVERSION The BOSE Series IV Equalizer is designed to operate on one power line voltage only. Equalizers manufactured for 120 VAC operation are not con- vertable to 240 volt operation except by factory modification. Equalizers manufactured for 240 VAC op...