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Ampex
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AMPEX Model 300 mono Tape Machine
Ampex Model 300
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Posted On
13.06.2025
Last Update On
13.06.2025
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Ampex 300 Tape MachineMessage Board - AMPEX Model 300 General DiscussionAll performance characteristics of the Ampex Model 300 Magnetic Tape Recorder equal or exceed the standards of the NARTB (National Association of Radio & Television Broadcasters). All Ampex audio recorders reproduce a tape frequency characteristic which has been accepted as standard by the NARTB.For the Ampex Model 300, Harold Lindsay designed the mechanical part and Frank Lennert designed all of the electronicsincluding the record/playback electronics.It used 10.5 inch reels, 1/4-inch tape facing inward, and was a two-speed machine switchable to either 7.5 or 15 ips.Harold designed a new head that, when compared to the one for the 200A, was less expensive, performed better and was more uniform from head to head.The new head made tapes more easily interchangeable from machine to machine than was possible between 200A recorders. The first production Model 300 was shipped in late spring, 1949.A 15/30 ips version, the Model 301, was introduced shortly after that. The 300 transport became the platform for many versions of both audio and instrumentation recorders. Overall about 20,000 of these transports were produced.AMPEX Model 300 Tape Machines - Voice of America, March 1968- AMPEX Model 300 Tape Machines - Voice of America, Okinawa relay station, Control Room in operation until ~1977. circa March 1968.Tapes were not interchangeable between the 200A and the 301 due to several factors. First, the tape on the 200A had the oxide facing outward, whereas on the 301 it faced inward. Second, the record equalization was different, and the 301 was designed to use 3M 111 (again, the 200A used the 3M RR/112 tape). It became embarrassing that the Model 301 had better frequency response, lower noise, and lower flutter than the 200A. Sales of the Models 300 and 301 quickly outstripped those of the 200A, which was soon phased out; in the end, a total of 112 Model 200A recorders were manufactured and shipped.Foundational text courtesy of Ross H. Snyder and John Leslie from the AES Historical Committee paper, “History of The Early Days of Ampex Corporation”.Ampex 300 Tape Machine- Ampex Model 300 Mono Deck shown at Mira Sound Studio's, NY. Photo courtesy of George Schowerer.AMPEX 300Dave Sarser checking out one of the three Ampex 300 Consoles he installed in the Toscanini Studio in the basement of Villa Pauline in Riverdale. Photo and text courtesy of Jim Reeves.Ampex 300 Tape Machine- Ampex 300-3 - Photo Courtesy of Wikimedia Commons.Ampex Model 300 - Mono 1/4"- Ampex Model 300 - Mono 1/4" Tape MachineAMPEX Model 300 mono 1/4" Tape MachineAMPEX Model 300, mono 1/4", Tape Machine. Photo courtesy of the Audio Engineering Society (AES) Historical Committee.
Ampex 300 BandmaschineMessage Board - AMPEX Modell 300 Allgemeine DiskussionAlle Leistungsmerkmale des Ampex Modell 300 Magnetbandgeräts entsprechen oder übertreffen die Standards der NARTB (National Association of Radio & Television Broadcasters). Alle Ampex Audiorecorder reproduzieren eine Bandfrequenzcharakteristik, die von der NARTB als Standard akzeptiert wurde.Für das Ampex Model 300 entwarf Harold Lindsay den mechanischen Teil und Frank Lennert die gesamte Elektronik, einschließlich der Aufnahme-/Wiedergabeelektronik.Es verwendete 10,5-Zoll-Rollen, wobei das 1/4-Zoll-Band nach innen zeigte, und war eine Maschine mit zwei Geschwindigkeiten, die entweder auf 7,5 oder 15 ips umgeschaltet werden konnte.Harold entwarf einen neuen Kopf, der im Vergleich zu dem für den 200A kostengünstiger war, eine bessere Leistung erbrachte und von Kopf zu Kopf gleichmäßiger war.Mit dem neuen Kopf konnten die Bänder leichter von Maschine zu Maschine ausgetauscht werden, als dies bei 200-A-Rekordern möglich war. Das erste Serienmodell 300 wurde im späten Frühjahr 1949 ausgeliefert.Kurz darauf wurde eine 15/30 ips-Version, das Modell 301, vorgestellt. Der Transport 300 wurde zur Plattform für viele Versionen von Audio- und Instrumentenrekordern. Insgesamt wurden rund 20.000 dieser Transporte produziert.AMPEX Model 300 Tape Machines - Voice of America, März 1968 - AMPEX Model 300 Tape Machines - Voice of America, Okinawa Relaisstation, Kontrollraum in Betrieb bis ~1977. ca. März 1968.Die Bänder waren zwischen dem 200A und dem 301 aufgrund mehrerer Faktoren nicht austauschbar. Zuerst zeigte das Oxid beim 200A nach außen, während es beim 301 nach innen zeigte. Zweitens war die Plattenentzerrung anders, und der 301 war für die Verwendung von 3M 111 ausgelegt (auch hier verwendete der 200A das 3M RR/112-Band). Es wurde peinlich, dass das Modell 301 einen besseren Frequenzgang, ein geringeres Rauschen und ein geringeres Flattern als das 200A hatte. Die Verkaufszahlen der Modelle 300 und 301 übertrafen schnell die des 200A, der bald auslief; Am Ende wurden insgesamt 112 Blockflöten des Modells 200A hergestellt und ausgeliefert.Grundlegender Text mit freundlicher Genehmigung von Ross H. Snyder und John Leslie aus dem Papier des AES Historical Committee, "History of The Early Days of Ampex Corporation".Ampex 300 Bandmaschine - Ampex Model 300 Mono Deck ausgestellt im Mira Sound Studio, NY. Foto mit freundlicher Genehmigung von George Schowerer.AMPEX 300Dave Sarser begutachtet eine der drei Ampex 300 Konsolen, die er im Toscanini Studio im Keller der Villa Pauline in Riverdale installiert hat. Foto und Text mit freundlicher Genehmigung von Jim Reeves.Ampex 300 Bandmaschine - Ampex 300-3 - Foto mit freundlicher Genehmigung von Wikimedia Commons.Ampex Model 300 - Mono 1/4" - Ampex Model 300 - Mono 1/4" BandmaschineAMPEX Model 300 Mono 1/4" BandmaschineAMPEX Model 300, Mono 1/4", Bandmaschine. Foto mit freundlicher Genehmigung des Historischen Komitees der Audio Engineering Society (AES).
Tablón de anuncios de la máquina de cinta Ampex 300- AMPEX Modelo 300 Discusión generalTodas las características de rendimiento de la grabadora de cinta magnética Ampex Modelo 300 igualan o superan los estándares de la NARTB (Asociación Nacional de Emisoras de Radio y Televisión). Todos los grabadores de audio Ampex reproducen una característica de frecuencia de cinta que ha sido aceptada como estándar por la NARTB.Para el Ampex Modelo 300, Harold Lindsay diseñó la parte mecánica y Frank Lennert diseñó toda la electrónica, incluida la electrónica de grabación y reproducción.Usaba carretes de 10,5 pulgadas, cinta de 1/4 de pulgada hacia adentro, y era una máquina de dos velocidades conmutable a 7,5 o 15 ips.Harold diseñó una nueva cabeza que, en comparación con la del 200A, era menos costosa, funcionaba mejor y era más uniforme de cabeza a cabeza.El nuevo cabezal hizo que las cintas fueran más fácilmente intercambiables de una máquina a otra de lo que era posible entre las grabadoras de 200 A. El primer Modelo 300 de producción se envió a finales de la primavera de 1949.Poco después se introdujo una versión 15/30 ips, el Modelo 301. El transporte 300 se convirtió en la plataforma para muchas versiones de grabadoras de audio e instrumentación. En total, se fabricaron unos 20.000 de estos transportes.Máquinas de cinta AMPEX Modelo 300 - Voz de América, marzo de 1968- Máquinas de cinta AMPEX Modelo 300 - Voz de América, estación de retransmisión de Okinawa, sala de control en funcionamiento hasta ~ 1977. hacia marzo de 1968.Las cintas no eran intercambiables entre el 200A y el 301 debido a varios factores. En primer lugar, la cinta del 200A tenía el óxido hacia fuera, mientras que en el 301 miraba hacia dentro. En segundo lugar, la ecualización de los registros era diferente, y el 301 fue diseñado para usar 3M 111 (de nuevo, el 200A usó la cinta 3M RR/112). Se volvió vergonzoso que el Modelo 301 tuviera una mejor respuesta de frecuencia, menos ruido y menor aleteo que el 200A. Las ventas de los modelos 300 y 301 superaron rápidamente a las del 200A, que pronto se eliminó; al final, se fabricaron y enviaron un total de 112 grabadoras Modelo 200A.Texto fundacional cortesía de Ross H. Snyder y John Leslie del documento del Comité Histórico de AES, "Historia de los primeros días de Ampex Corporation".Máquina de cinta Ampex 300 - Ampex Model 300 Mono Deck se muestra en Mira Sound Studio, NY. Foto cortesía de George Schowerer.AMPEX 300Dave Sarser revisando una de las tres consolas Ampex 300 que instaló en el estudio Toscanini en el sótano de Villa Pauline en Riverdale. Foto y texto cortesía de Jim Reeves.Máquina de cinta Ampex 300 - Ampex 300-3 - Foto cortesía de Wikimedia Commons.Ampex Modelo 300 - Mono 1/4"- Ampex Modelo 300 - Máquina de cinta Mono 1/4"AMPEX Modelo 300 mono 1/4" Máquina de cintaAMPEX Modelo 300, mono 1/4", Máquina de cinta. Foto cortesía del Comité Histórico de la Sociedad de Ingeniería de Audio (AES).
Ampex 300 Bant MakinesiMesaj Panosu - AMPEX Model 300 Genel TartışmaAmpex Model 300 Manyetik Kayıt Cihazının tüm performans özellikleri NARTB (Ulusal Radyo ve Televizyon Yayıncıları Birliği) standartlarına eşit veya bu standartları aşıyor. Tüm Ampex ses kayıt cihazları, NARTB tarafından standart olarak kabul edilen bir bant frekansı karakteristiği üretir.Ampex Model 300 için Harold Lindsay mekanik parçayı tasarladı ve Frank Lennert, kayıt/oynatma elektroniği de dahil olmak üzere tüm elektronik aksamı tasarladı.10,5 inç makaralar, içe bakan 1/4 inç bant kullandı ve 7,5 veya 15 ips'ye değiştirilebilen iki hızlı bir makineydi.Harold, 200A ile karşılaştırıldığında daha ucuz, daha iyi performans gösteren ve baştan başa daha düzgün olan yeni bir kafa tasarladı.Yeni kafa, bantları 200A kayıt cihazları arasında mümkün olandan daha kolay bir şekilde makineden makineye değiştirilebilir hale getirdi. İlk üretim Model 300, 1949 baharının sonlarında sevk edildi.Bundan kısa bir süre sonra 15/30 ips versiyonu olan Model 301 tanıtıldı. 300 taşıyıcı, hem ses hem de enstrümantasyon kaydedicilerin birçok versiyonu için bir platform haline geldi. Genel olarak bu nakliyelerin yaklaşık 20.000'i üretildi.AMPEX Model 300 Bant Makineleri - Amerika'nın Sesi, Mart 1968- AMPEX Model 300 Bant Makineleri - Amerika'nın Sesi, Okinawa röle istasyonu, ~ 1977'ye kadar çalışan Kontrol Odası. Mart 1968 dolaylarında.Bantlar, çeşitli faktörlerden dolayı 200A ve 301 arasında değiştirilemezdi. İlk olarak, 200A'daki bant oksit dışa bakıyordu, oysa 301'de içe bakıyordu. İkincisi, kayıt eşitleme farklıydı ve 301, 3M 111'i kullanacak şekilde tasarlandı (yine 200A, 3M RR/112 bandını kullandı). Model 301'in 200A'dan daha iyi frekans tepkisine, daha düşük gürültüye ve daha düşük çarpıntıya sahip olması utanç verici hale geldi. Model 300 ve 301'in satışları, kısa süre sonra aşamalı olarak kullanımdan kaldırılan 200A'nın satışlarını hızla geride bıraktı; sonunda toplam 112 adet Model 200A kayıt cihazı üretildi ve sevk edildi.AES Tarih Komitesi'nin "Ampex Corporation'ın İlk Günlerinin Tarihi" başlıklı makalesinden Ross H. Snyder ve John Leslie'nin temel metninin izniyle.Ampex 300 Bant Makinesi- Ampex Model 300 Mono Deck, Mira Sound Studio's, NY'de gösteriliyor. Fotoğraf George Schowerer'in izniyle.AMPEX 300Dave Sarser, Riverdale'deki Villa Pauline'in bodrum katındaki Toscanini Studio'ya kurduğu üç Ampex 300 Konsolundan birini kontrol ediyor. Fotoğraf ve metin Jim Reeves'in izniyle.Ampex 300 Bant Makinesi- Ampex 300-3 - Fotoğraf Wikimedia Commons'ın izniyle.Ampex Model 300 - Mono 1/4"- Ampex Model 300 - Mono 1/4" Bant MakinesiAMPEX Model 300 mono 1/4" Bant MakinesiAMPEX Model 300, mono 1/4", Bant Makinesi. Fotoğraf, Ses Mühendisliği Derneği (AES) Tarih Komitesi'nin izniyle.
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