User manual BOLEX S-221 BROCHURE

[. . . ] It is supplied with a 50 foot extension cord, has a 6 watt power-output, and is 8 inches in diameter. The speaker SOUND HEADS Optical sound head has standard 4 V, 0. 75 amp. exciter lamp fed by a 40, 000 cycle high frequency current, eliminating all noise. Adjustable focusing of the accurately centered lightbeam ensures maximum sound quality regardless of whether the emulsion or base side faces the sound head. [. . . ] The film automatically moves into position on the claw as the lens holder is returned to projecting position. Tension on the film placed in the sound head is adjusted automatically. No need to change the reels for rewinding. To simplify operation even more, all projector controls are grouped in a panel on one side. Even in the dark, foolproof projection is guaranteed because the control panel, stroboscope, and watt meter are illuminated. lubrication system makes maintenance easy and FILMS SAFEGUARDED film has surface, Every part of the Bolex S-221 that will touch your been specially engineered to protect its perforations, and sound track. Tension on the film remains constant from the beginning to the end of the reel, in forward or reverse run in re-wind and regardless of how full the take-up reel may be. ' The sprockets and the sound track. guide rollers touch neither the frame nor The film gate and pressure pad are highly polished and precisely positioned. Easy to clean because the lens holder swings out completely. The claw ~ forotions: of tearing. mechanism is precision designed to protect the perEven urn films can be projected without da~ger' with extreme accuracy stainless extreme The magnetic sound heads are aligned and cannot damage the picture. 5 DURABLE CONSTRUCTION The optical sound drum is made from anti-magnetic, steel, polished to a high finish, and machined with accuracy. Separate film paths for optical and magnetic sound so the optical track cannot be damaged by the magnetic heads. Everyone of the thousands of parts that comprise the Bolex S-221 is precision machined and carefully tested before final assembly. As with all Bolex movie equipment, it takes many months of painstaking work to complete a projector. Only the finest raw materials are used, and they are chosen after careful consideration of the particular function which the finished part will perform. The drive mechanism, for example, is milled from extra hard, chrome-plated, tempered steel, and the cam is milled to a tolerance of 2/10, 000 of an inch. Certain parts in the magnetic sound head are made to a tolerance even greater than 1/10, 000 of an inch. The finished projector, as a result of this unhurried and precise manufacturing, will give years of prime performance. OPTICAL FEATURES Standard 750 (code: BENGE) or 1000 Watt (code: BERSO) projection lamp is mounted on hinged lcmphouse door for most convenient changing. Lamp current can be adjusted and measured on built-in meter to provide brightest picture and longest lamp life. [. . . ] Auditorium speaker kit Includes this power distributor -. Code: SOPUI. Transformer Portable: in metal case with carrying handle - Has 5 different inputs from 90 to 295 volts, 50 or 60 cycles - Rated power: 1350 VA - Safety fuse - 5 ft long leads - Weight: 32 Ibs. Code: SOTRA. Travel case (included with S-221 projector) Of canvas, with stiff bottom insures perfect protection of lined case; Room to store 2 reels of 2000' each in their containers. [. . . ]