VINTAGE WESTERN ELECTRIC 728B FULL RANGE SPEAKER (1 of 2)NOTE: I am selling these speakers AS IS. I unfortunately cannot answer technical questions, as the elderly owner is no longer in a position to do any tests and provide me with answers.When I picked up the speaker from the owner, he had it connected and playing music, so the speaker works fine. See below for SHIPPING AND INSURANCE INFO. THE SPEAKER WILL BE SOLD ONLY INWITH THE CABINET. The speaker box is rustic, scratched, and unattractive.... Photos are substandard, but I didn't want to remove the speaker from the box. I am selling this speaker for an elderly gentleman who worked as an engineer for Bose Corp for more than 30 years. He built the speaker box per the speaker specifications and provided me with the detailed information below, which he wrote in 2017.NOTE: The gentleman has one other 728B speaker that is in a separate listing, which is why the gentleman's text below refers to more than one loudspeaker. For the sake of simplicity, I am leaving the references to the plural "loudspeakers" in the text below, although this listing is for just one speaker.BEGINNING OF GENTLEMAN'S INFO:The 728B loudspeakers are all in non-ported plywood cabinets built per the specifications of Western Electric (in terms of volume and stiffness) by myself around 1954 to 1960. These have permanent magnets. Please note all loudspeakers are max rated for very low power compared to products produced now in 2017. Thus could very easily be burned out just connected to todays amplifiers.Brand: Western ElectricModel: 728B Loud Speaker, 12 inch full range Coverage Angle: 50 degreesVoice Coil Impedance: 4 OhmsPower Handling: 30 Watts ContinuousApprox. Frequency Range: 60 to 10, 000 Hz. (cycles)Speaker Enclosure Required: 3 cubic feet completely enclosedApprox. Year Made: 1947, available from Graybar Electric Co.The 728B Loudspeaker represents an advanced application of the latest technique developed by the Bell Telephone Laboratories as a result of their never ending research and development in the interest of natural sound.The 728B is another in the famous series of Western Electric loudspeakers which give the feeling of presence that characteristic which eliminates the consciousness that the program is coming through a loudspeaker.For optimum performance under average conditions the 728B enclosure should have a volume of three cubic feet, with no openings other than the baffle hole. Since its dimensions are not critical the enclosure can be designed to fit into any type of installation a highly desirable feature.The enclosure should be constructed of wood not less than ¾ thick. (Less if wood reinforced.) Inside surfaces of the box should be lined with sound absorbing material 1 thick. If a grille cloth is used for covering the speaker it should be open mesh material which has not audible effect on the high frequency response.Above four paragraphs from Western Electric specificationsad document, not in sequence. The gentleman's name omitted cabinets meet these specs.Reference: A History of Engineering and Science in the Bell System The Early Years (1875 1925)http:doc.telephonecollectors.infodmA_History_of_Engineering_and_Science_in_the_Bell_System_-_The_Early_Years_1875-1925_prelim_ocr-op-r.pdf ----------------------------------------------------------------- http:www.beatriceco.combtiporticusbellwesternelectric_history.html Many pages of the full history of Western Electric (and Bell Telephone) from 1869 to essentially the present.SHIPPING AND INSURANCE:The speaker weighs 34 pounds. I am allocating 50 pounds for shipping to account for extensive padding and double boxing of the speaker. A charge of 50 for insurance will be added to the buyer's shipping cost.Seller's note to self: this is speaker 1
This vintage Western Electric 728B speaker is fresh from an estate. The owner had it in a homemade cabinet. The speaker has a small dent in the center of the cone but is in very good cosmetic condition otherwise. I have never used this speaker myself but will guarantee it to be a good speaker with a good driver.
One vintage Western Electric 728B speaker.Perfect original cone.Good working condition.Inspection stamps are there but colors are fade as you see on the pictures.DCR 2.1 ohms on my meter.Please check the pictures for more information.
Here is a Vintage Western Electric 19C Tube Oscillator Project in Case with Meter. It comes with tubes listed written on lid as shown. It has a 289A Input Transformer, Output trans, D 166874 Cond, and a RET D16. Super dirty and crusty inside as shown. This will make a wonderful addition to anyone's collection. Money back guarantee you will not be disappointed.Buyer to pay actual shipping 34 lbs
Up for your auction is a pair of vintage Royal Copenhagen 12" Full Range Speakers, Made In Denmark. Both speakers are in very good condition with no damage to the paper cones or surrounds. Please refer to photos for cosmetic condition. Both speakers read 6.4 Ohms on a multimeter. These speakers seem to be quite rare and I cannot find any specifications on their frequency response or power rating. Due to the age of the speakers they are being sold as is. Happy bidding
THIS AUCTION IS FOR ONE VINTAGE TELEFUNKEN ca. 10 inch FIELD COIL FULL RANGE DRIVER 1939. The label on the field coil says:Feldspule 62mA120 VTel. Bv. 15363which proves that it is genuine TELEFUNKEN THIRD REICH SPEAKER.The speaker is in a great optical condition. Perfect cone, no tear or holes.Very hard to fin in this condition.The technical condition is great, too.The Ohmmeter measuring showed:Field Coil:ca. 1740 Ohmsvoice coil: 13, 6 OhmsThe voice coil area is moving smooth and clean. The phen...ollic spider (pict. 6, 7 ) is in a great condition.PLEASE LOOK AT THE ORIGINAL PICTURES ATTACHEDThis loudspeaker is ready for a Klangfilm project, or for high end enthusiasts projects.I will pack the loudspeaker very safe. The worldwide shipping will be 65 US dollars, for an air mailed registered package shipping.Registered, traceable (tracking number) package.I may need your telephone number for EMS shipping where it is available.Please, no shipping to South America and Africa. You can pay Paypal .According to EU regulations as a private seller I can not give any guarantee. No return back option.