![]() ![]() Plenum Cover for installation in airhandling spaces. Tile bridge for easy installation in tile Pendant mounting kit for easy installation in open ceilings. All other trademarks referenced herein are registered trademarks of Bose Corporation. ![]() ©2002 Bose Corporation JN21205 PC029592 Krylon is a registered trademark of Sherwin-Williams Co. It can be flush- or pendantmounted in any tile, hard or The versatility to create a quality sound Mounting arms simplify installation, making it an excellent choice for retrofits, ![]() Speaker anywhere you’d put a ceiling speaker. Mounting accessories permit flush or pendant mounting in tile, hard or openĬeilings, so you can install the Model 16 Engineered for demandingīacked by a transferable 5-year limited warranty. The Bose® FreeSpace® DS 16S is entry-level, full-range, surface-mount loudspeakers designed for background music and speech reproduction in a wide range of installed applications. A European version, the Modelġ6EU, meets European fire and evacuation codes. Restaurant operations to convenience stores,Īccessory, and it meets U.S. Popular speakers for commercial applications of any size. Make it easier than ever for customers toĬomplexity of installation. Value pricing and simplified installation You gave me the itch to wind a few 70V transformers and install small background music speakers in my 19 room house/workplace.Īlthough the realistic solution would be to install a Bluetooth or WiFi music server and do it wirelessly.Applications of all kinds and sizes, the sleekĢ1⁄4" full-range driver for smooth, accurate If you have many and can series wire them, perfect. In a nutshell: you CAN get a usable 4 ohm load from that speaker, penalty is that you can NOT feed 32W to it, because transformer wire will not handle current. Using it as a constant power multi impedance transformer was NOT a requirement. Since it´s the PURPOSE of this transformer, everything´s perfect ![]() so using same wire on all taps is GOOD.Ģ) penalty is reduced power handling at lower taps. I very much doubt it was wound that way, but constant diameter/area instead.ġ)cost/speed/practicality: it´s easy to stop winder every few turns and take a tap outside a PITA to change wire diameter and advance pitch every time (I commercially wind transformers) plus these must be cheap and easy, or else. To be a real impedance converter X-Former, lower voltage (8W) winding should be 1.4X diameter, 2X the area/section than "32W" one to keep power handling constant. In principle you can use some autotransformer taps for impedance conversion but it has its compromises.Ĥ:1 impedance step-up means 2:1 voltage down or 4:1 power down so you CAN connect speaker between common and 8W tap, then drive 32W tap from an amp which will "see" reflected 4 ohm, so far so good, BUT speaker can only "extract" specified 8W from that tap. Replacement Speakers, Woofers, Midranges, Tweeters, Parts for Speaker. Speaker is always across one or more windings ( in parallel), never in series with any of them.Īs of : getting 4 -8 ohm impedance instead of almost unusable 1 ohm. Bose-Einstein condensates are another state o. Justīe sure to connect both the speakers and the module directly to the amplifier, using separateĬhannels or connect speakers that do not need equalization in parallel with the Acoustimass module To be able to say this in advance one would need the circuit diagram (schematic) of the passive high pass in the bass unit from Freespace 3 Series II - go to Acoustimass Bassmodul Series II | Bose Professionalĭon't mention exact values for the satellite speaker impedance: You can use the FreeSpace®3 System Series II Acoustimass® module with other Bose® speakers, suchĪs the FreeSpace Model 16, Model 32, Model 32SE, Panaray® 302TM, or FreeSpace 6 speakers. close enough to typical speakers with impedance of 4 ohms. When such transformers available as a single part for reasonable costs, it would be an easy task to change it in all speaker devices to get 8 ohms and avoid to purchase amp with 100V outputs.Īn other possibility is a use of the pins "C" and "32" - this DC-resistance together with the driver is 1R7 and serial connection of two speaker devices is 3R4 - i. It can therefore be assumed that Bose uses this 0.8 ohm chassis in all versions of this model - even in the version with 8 ohms together with a suited auto transformer in this kind but for 8 ohms input. In the attachment the images of transformer with removed connection terminals and partially cut off leads of some winding so as of the steps of the assembly procedure.įirst image shows the schematic of the 100V transformer.Īccording this it is clearly an auto transformer, i. BOSE Model 32 100 VRMS - Auto-Transformer Schematic here ![]()
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