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The High Frequency Compression Driver / 高音压缩驱动单元（1954年）

JBL 375

The Acoustic Lens / 声学透镜（1950年）

JBL LE175（目前售价：$1010美元 / 对）

Studio Monior / 录音监听扬声器（60年代初期）

Symmetrical Field Geometry Magnetic Structures / SFG对称磁场回路技术（70年代中期）

The JBL Bi-Radial Constant Coverage Horns / Bi-Radial高精度高音号角（70年代中期）

The Diamond Surround and Titanium / 纯钛钻石高音（50年代中期）

Coherent Wave Phasing Plug / 相位塞（80年代中期）

谈谈JBL的高音单元

JBL是于50年代开始投身于专业的音乐、电影等等专业扬声器的研究的，在至今的60年里面，为发展到今天的扬声器工业，做出了卓越的贡献！

假如说，没有JBL，可能就不会有今天很多的名牌音箱了。

JBL的高音单元，一般可以分为三大类，在下面为大家一一道来。
（同时由于带式高音的资料不是很齐，等以后有机会收集齐了以后再讲吧）

一、Horn Type（号角用高音单元）

这个号角高音，至今仍是全世界最好的高音单元之一，但是基本上这个系列的高音单元都是用于JBL的贵价、顶级的Hi-end喇叭里面。

1954年，JBL首次发明了Ring Radiation的技术，而首次采用这项技术的075号角高音系列（1寸音圈 /铝镍钴磁），震惊了全世界！其高频上限可以平稳延伸至50KHz，而使用这种Ring Radiation的技术的高音单元，至今还是全球最顶级的高音单元，以至于在60年以后的今天，还使得很多厂商受益良多，比如目前还是采用Ring Radiation技术的意力6系列的X-Jet。

075系列分为纯铍（Be）和纯钛（Ti）两种，第一个使用075高音单元的，就是至今仍是最顶级的喇叭之一的JBL Paragon，另外还有Heartsfield和欧林巴斯也是使用了075高音，一直到今天，最新的旗舰DD66000 Everest仍然使用了075Be高音单元。

下面是JBL这个高音号角的型号衍生，它们按照单元级别，从上到下依次降序，横线后面分别是衍生型号，以及使用的部分民用或专业监听喇叭的代表型号（后面都是一样的表示方法）：

l 1954年至今：075 – 2402 – 2402H，代表型号有Paragon、Heartsfield、欧林巴斯、DD66000 Everest等等。

l 1978 – 1986年发表：076 – 2403 – 2403H，代表型号有L220 – L222A。

l 1979年至今：2404H

l 1971年至今：2405 – 2405H – 077，代表型号有L65。

l 1999年至今：045，代表型号有K2S Project系列、劲浪（第一代）乌托邦系列。

二、Dome Type（球顶高音）

这个高音系列，在JBL家族里面，可以说是仅次于Horn / 号角系列以后的又一个奇迹！

l 1958年：LE30 – 066 – 053Ti，代表型号有L166、LSR监听系列。

l 1978 - 1999年：033 – 034 – 035Ti – 050Ti Gold – 052Ti，代表型号有L110、L46、L56、4312A、4312mkII、4411、4412A、4410A、4408A。

l 1981 – 1989年：044 – 044Ti，代表型号有L112。

l 2000年至今，2406、2407，代表型号不详。

三、Cone Type（锥盆高音）

1961 – 1983年：LE20 – LE20-1 – LE25 – LE25-1/2/3，代表型号不详。

--The new book, written by John Eargle, details JBL’s complete history as one of the world’s most recognized audio brands.--

ANAHEIM, CALIFORNIA, January 18, 2007 — Documenting 60 years of creativity, expertise and leadership in audio, The JBL Story – 60 Years of Audio Innovation, a new book by John Eargle, is being released. Distributed by Hal Leonard Corporation, The JBL Story offers a historical perspective on the people and products that have made JBL one of the most recognized audio brands in the world.

The JBL Story features full-color photos, historical advertisements and hundreds of diagrams and images, many taken from JBL’s archives. Topics include stories behind the development of innovative applications for consumer products, as well as systems installations for stadiums, tour sound, movie theaters, recording studios, and houses of worship. Additionally, the book covers the brilliant engineers, and colorful record producers, musicians and technicians who had the vision to pursue a better way. The foreword was written by legendary guitarist Les Paul.

A key figure in JBL’s continuing commitment to excellence and innovation, Eargle has written eight books covering various topics in professional audio. “Since James B. Lansing founded the company in 1946, JBL has provided groundbreaking solutions for virtually every loudspeaker application,” Eargle noted. “These achievements, however, did not occur overnight. The story of the individuals responsible for JBL’s contributions over the past 60 years is as informative as it is entertaining, and I hope it will prove useful to anyone with an interest in loudspeakers and audio technology.”

About JBL Professional:
Headquartered in Northridge, California, JBL Professional is the world’s leading designer, manufacturer, and marketer of professional loudspeakers for recording and broadcast, musician, cinema, touring sound, commercial sound and contracting applications. Celebrating its 60th Anniversary in 2006, JBL Professional is the proud recipient of the 2005 Technical GRAMMY® award. JBL Professional is part of the Harman International network of professional and consumer audio companies.

About the Harman Pro Group:
The Harman Pro Group is the world’s largest provider of professional audio products and system solutions for commercial sound, contracting, tour sound, recording and broadcast, musician, portable PA and cinema applications. The Group is headquartered in Northridge, California and includes industry leaders AKG Acoustics, BSS Audio, Crown International, dbx, DigiTech, JBL Professional, Lexicon, Soundcraft, and Studer. The Group is part of Harman International Industries, Incorporated (NYSE: HAR), a leading supplier of high-quality, high fidelity audio products and infotainment systems for the automotive, home and professional markets.

Paperback: 320 pages

Publisher: JBL Pro Audio Publications (April 1, 2007)

Language: English

ISBN-10: 1423412818

ISBN-13: 978-1423412816

Product Dimensions: 10.9 x 8.5 x 1.3 inches

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