The backbone of the Bozak line was the B-302A system, the beginning of the systematic growth program, offered in several cabinet styles over a period of years. One design of his featured a kettle drum shell as the loudspeaker enclosure. The new design echoed earlier changes to the B-209 midrange: the standard tweeter cone shape was modified into a dished open horn shape that flattened out gradually from the center to the periphery. For commercial sound reinforcement, Bozak introduced a full line of columnar loudspeakers, which included a biamped columnar loudspeaker in 1964. /* TAC breed */ C.G.Conn Ltd., 1951. The CMA-10-2 and 10-2DL mixer was designed at Bozak for sale to discotheques. 1979, Boston Audio Society. Bozak. The 919 preamp and 929 power amp were great successes, with black out esthetics typical of the day, a la Marantz, McIntosh, etc. Bozak studied at Milwaukee School of Engineering; in 1981, the school awarded him an honorary doctorate in engineering. What did you guys do to it?’ We said we hadn’t done anything. [5] The Symphony was eventually offered in four cabinet styles. Power Amplifiers, Mixers, Equalizers, and DJ mixers. ), an audiophile loudspeaker manufacturer based in Lewiston, Maine. $300.00. R.T.Bozak Mfg. This somewhat affected the sales of "big box" speaker systems of all brands. Local Pickup. [33] Bozak was awarded an AES Fellowship in 1965 for "valuable contributions to the advancement in or dissemination of knowledge of audio engineering or in the promotion of its application in practice." In June 1940, Electronics magazine published an article that Bozak had written about the design of the 27" loudspeaker. In early 1982, Rudy Bozak died. While in Elkhart, Indiana, he noticed that the human sense of hearing was unpredictable at best. When both Bozak and Marantz teamed up to demonstrate loudspeakers at Hi-Fi events and audio engineering conventions, a sizable crowd would form. Bozak accepted occasional United States Department of Defense contracts including an underwater low frequency driver intended for acoustic communication testing, an ultrasonic transducer that was flat to 40 KHz, and a vibration platform that Bozak employees called "The Shaker" which was meant to test the G-force integrity of electronic assemblies. A week later he was invited back into the laboratory and sat down and played the instrument again. Then, we use … At the right time of afternoon, when the light streamed in from one of the few windows, you could see the air filled with particulate matter and through it, if you knew where to look, a small, round faced man with felt cap could be usually found sitting in the dark at his old desk with the one small lamp illuminating his face. The design was patented and was largely responsible for the superb transient response of the Bozak B-209B and B-209C midrange. Bozak joined C.G. By the mid-1950s, Bozak had expanded into new quarters at 587 Connecticut Avenue in South Norwalk, with an export office in Hicksville, New York. Bozak is often remembered today for his advanced designs of DJ mixers which allowed the development of the concept of disc jockey mixing and 'discotheques', but with exceptional sales to churches, arenas, stadiums, auditoriums, and other public areas. In 1970, Rudy T. Bozak won the AES John H. Potts Award (now the Gold Medal), their highest award for outstanding, sustained achievement in the field of audio engineering. Though these sold reasonably well, McIntosh did not develop the design further. Co., 1969. [7] The B-310 and B-310A were the mono versions in which the tweeters were arranged as a sector of a sphere for widest distribution of high frequencies. google_ad_width = 728; N.E.A.R. Buzzy Beck (a former engineer) and Paul Hammarlund carried on the work for a time. Metallic diaphragm for electrodynamic loudspeakerss. The material was very thin spun aluminum which took much of its strength from its curvilinear profile along the radius. … Jack Webb put a pair in his Mark VII Productions listening room. Then the cone was pressed to uniform thickness. The 302A systems consisted of one 12" woofer, one midrange driver and one tweeter pair. We take something very natural like music and capture it, like a caged animal. US patent 3436494. This compact loudspeaker contained a soft dome tweeter, a 6" 209-W wide range aluminum driver designed by Ledermann, and a modified first order crossover. In 1965, a pair of B-410 Concert Grands cost US$2000. The Bozak speakers produce a full throated, balanced sound that leans slightly warm, consistent with the dulcet tones of the best stereo equipment of its era. "Bozak" redirects here. The 302A systems consisted of one 12" woofer, one midrange driver and one tweeter pair. Two years later he was chief engineer. In 1950 Bozak was hired as a consultant by McIntosh Laboratory[4] to develop a square loudspeaker driver unit but it was not an engineering success. The original midrange and tweeter cones were paper. When Rudy Bozak turned 67 in 1977, he offered an opportunity for an employee buy-out headed by Bob Betts, his chief engineer. The sound quality is so good that the system has been used to remaster albums. Cook and Bozak thrilled the audio world in 1951 with Cook's ground-breaking stereo recording of train sounds at night: Rail Dynamics. Joseph Schlig bio, Connecticut General Assembly. In 1961 the original B-200X paper-cone tweeter re-appeared as the B-200Y, using the same basic cone design of the midrange. In 1938, Bozak was elected to Associate Grade membership with the Institute of Radio Engineers. Bozak Catalogues. response posted by Pat Tobin on December 17 2003, AudioAsylum bulletin board. N.E.A.R. to obtain the rights to Bozak's former outdoor speaker line. The 'stereo' B-310B and B-400 had the eight tweeters arranged in a vertical row. He helped with esthetic details of certain products. In 2005, Soundcraft began to offer a UREI-Soundcraft units. google_ad_slot = "1011629563"; The new design became the B-200Z. This console sounds amazing. Such a high price limited ownership to a small number of hi-fi aficionados and audiophiles. The result was a cone with 'variable density' from center to rim with virtually no breakup or standing waves, the major sources of distortion in more conventional paper cones.[5]. These speakers were produced for many years, and still sound really fantastic today if you can find a pair. Bozak began offering smaller speaker systems to answer consumer demand. C/M Labs designed the CMA-10 mixer intended for orchestral sound reinforcement; it was produced in small quantities. Bozak shifted from using McIntosh amplifiers for powering his loudspeakers to using Marantz amplifiers. These were installed and operated with great success over the course of the fair. Cook and Bozak thrilled the audio world in 1951 with Cook's ground-breaking stereo recording of train sounds at night: Rail Dynamics. C/M Labs also designed and built amplifiers and other integrated electronics for Bozak and used Bozak speakers to test their gear. 1940, Electronics magazine published an article that Bozak had written about the design of the 27" loudspeaker. The Lab Standard systems were especially designed for recording studio mix-down applications and off-air monitors. Employers: Allen-Bradley, Cinaudagraph, Dinion Coil Company, C. G. Conn, Wurlitzer, The R. T. Bozak Mfg. 'You did something to it. The company started by Rudy Bozak in the 1950's that today makes the best-known deejay mixers and deejay-ing equipment. The system could be expanded to a 3-way B-302A by adding a midrange and full 3-way Bozak crossover. Edge-damped diaphragm for electrodynamic loudspeakers. Rudy Bozak was not in favor of using ports or vents to tune loudspeaker enclosures for greater low-frequency output from a smaller box. It's funny how old impressions die hard. The CMA-10-2DL mixer was designed at Bozak. Username or e-mail: * Password ... Jbl L110; Technics Su-3150; Denon Dcd-1520; This website is not affiliated with or sponsored by Bozak. Such speakers had what many describe, myself included, as a mellow and warm sound… Bozak shifted from using McIntosh amplifiers for powering his loudspeakers to using his own home entertainment models, late in the 1960s. Bozak stayed on in a minor consulting role and Bob Betts remained as chief engineer. Though these sold reasonably well, McIntosh did not develop the design further. [5] Henry Mancini and Benny Goodman, good friends of Rudy Bozak, owned Concert Grand speaker systems. Bozak married Lillian Gilleski; the two had three daughters: Lillian, Mary and Barbara.[1]. Years later, Bozak recounted this story about the Conn electronic organ project: "The general sales manager, who was a pianist and played organ, sat down and played the thing and said it was great, just what we were looking for. $400, and to the West Coast … The facility relocated several times: Newington, Bristol and New Britain but management was unable to sustain the effort. His wife Lillian and their son-in-law Don Parks reorganized the company and quality of workmanship made a brief comeback from 1983 to 1985. Bozak … THE SOUND is … The Bozak name was sold to overseas interests who began to produce Bozak-branded equipment in China. Bozak manufactures or has manufactured the following equipment (click to expand models list): BobsAmerica.com/Bozak (Febuary 13, 2010): A Brief History of Rudy Bozak and Bozak, Incorporated. Conn in 1944 to help them develop an electronic organ. By the mid-1950s, Bozak had expanded into new quarters at 587 Connecticut Avenue in South Norwalk, with an export office in Hicksville, New York. Betts and other company management officers left the company one by one. Stream Tracks and Playlists from bozak … The BAS Speaker, volume 7, number 3 (1989), "Bogen Communications, Inc, Form 10-K, Annual Report, Filing Date Mar 31, 1998", ''About IRI: Management''. ''COLLARD AND ROE, P.C. One review stated that a dealer of that time said that JBL's and Klipsch outsold the Bozaks. Bozak developed an electronic digital delay device in the early 1970s and used it to align loudspeakers in time within event spaces. I was a musician first! [26] The facility relocated several times: Newington, Bristol and New Britain but management was unable to sustain the effort. Fresh out of college in 1933, Rudy Bozak began working for Allen-Bradley, an electronics manufacturer based in Milwaukee, Wisconsin. The cone was made thicker at the center, becoming progressively thinner toward the periphery. Bozak, Inc., 1973. 'Now this is the way it should be,' he says.". C.G.Conn Ltd., 1951. When Rudy Bozak turned 67 in 1977, he offered an opportunity for an employee buy-out headed by Bob Betts, his chief engineer. I estimate delivery to the East Coast at approx. Wavemusic Community Board. ''Electronic sound enhancing system'', AudioAsylum bulletin board. $29.95. The system could be expanded to a 3-way B-302A by adding a midrange and full 3-way Bozak crossover. R.T.Bozak Mfg. R.T.Bozak Mfg. "[2], In 1948 Bozak moved his family to North Tonawanda, New York to develop organ loudspeakers for Wurlitzer. Bozak was awarded an AES Fellowship in 1965 for "valuable contributions to the advancement in or dissemination of knowledge of audio engineering or in the promotion of its application in practice.". East Cost Sound vs West Coast Sound refers to the difference in the sound quality of speakers between New England speakers and speakers from California during the 60's, the 70's and the 80's. Later, working with Richard Majestic, for whom Ledermann worked previously at RAM Audio, the two men designed the new Listener series, the LS-200A, 220-A, 330-A and others, employing a soft dome tweeter for the first time, as the Bozak tweeter did not have the top end range extension needed to attract the changing marketplace. These were to be known as the 900-series of electronics. Bozak 1956 product literature.