It has the remains of the original paper label with the dates for the Jensen / Pridham patents from 1913 to 1926.This speaker needs to be re-coned and the metal struts have been repaired in several places, so we're selling this for restoration or parts.Date of manufacture: 21 st week of 1961 by the US Chicago plant.Numbers printed on the basket of this speaker: P12C6641, 50948, printed on the top of the magnet: 220121 (= date manufacturer code); Model: P10N C6907 2, D613 024675 C, printed on the rim of the basket: Magnet: Alnico (large!I tested each and every one of the speakers listed here to be working, but I do not warrant that they will work as a direct replacement for what you intend to use them for.If in doubt: Please check part numbers / frame nubers as given below to match what your need exactly, as these speakers are: : These USA manufactured Jensen speakers come from the golden age of vaccum tubes when output power was scarce.
It is worth noting that modern audio and stage lighting systems were derived from cinema audio systems (such as Altec) and theatrical and industrial (building) lighting.
The venerable furniture factory now stands vacant awaiting conversion to loft condominiums.
The Phillips/Magnavox history is quite interesting as it unfolded in the subsequent years: https://en.wikipedia.org/wiki/Magnavox The Magnavox consoles from the era were good, yes, but I've not come across any separate pieces from them that were very good, they all seemed rather cheap, and poorly designed.
All speakers were tested and swept with a sinus wave tone generator to detect potential problems, but do to age, are sold "12" 1961 Jensen P12N Speaker.
This is the higher powered version of the Alnico magnet speakers rated at 50W (heavy magnet).
They are not to be confused with the cheap knockoff consoles made by others and sold in various discount department stores.