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The Vintage Knob - Online vintage audio museum, forum and image bank

The Vintage Knob - Online vintage audio museum, forum and image bank
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4430/35 The 4430 and 4435 Bi-Radial Studio Monitors were amongst the most successful professional loudspeakers ever produced by JBL. They were in production longer than any other JBL main studio monitor, being introduced in 1981 and not discontinued until 1996 for the 4435 and 1999 for the 4430. David Smith was the engineer responsible for the system design of these monitors. The following is his account of the background and design of these systems. I came to JBL in September of 1980. At the time JBL had a good line of studio monitors including the 4350, the 4343 and the 4315 (a product I much admired). Don Keele had just gotten his constant directivity horn design software going. To explain the biradial name, there were a lot of radial horns at the time. One part of the mechanical development of the 4430/35 was of the 100 by 100 horn castings. As an aside, a lot of the evolution of horns has been tied to their construction processes. I was keen to give a paper on the monitors.

Technics SL-10 on thevintageknob.org Slightly severe in looks but highly desirable ! The SL-10 was designed by Yosumi Toshikazu from an R&D project initiated by Obata Shuichi and was at first planned with a lacquered black finish. After an inital prototype with such a finish, practical reasons led to a the semi-matte natural aluminium. The SL-7 and SL-15 variants were also designed Mr Toshikazu. Unlike many of the early 1980s "square" TTs, the SL-10 was no gadget and is an excellent sounding turntable : Stereo Sound Best Product in early 1980, Stereo Sound State of the Art in late 1980, and a japanese Good Design award, too. Better yet : the SL-10 was delivered with a Technics EPC-310MC cartridge and there's a built-in moving-coil preamp ! Technics worked on its first tangential turntable as early as 1966 with the 100P (images are at hand - stay tuned !)

HIFI VINTAGE OF THE 60's & 70's ………………………………………………………………………………………………………………………………. BRAUN TG-502 | PHILIPS AH-578 | AH-572 | AH-673 | SAE MARK SIX | PIONEER SX-1080 ………………………………………………………………………………………………………………………………. random audioklassiks pics Modificationsde la platine Thorens TD 124 (JC.Verdier) Audiophile n°17, octobre 1980

HIGH-END AUDIO and Arthur Salvatore BeoSystem 5500 Manufactured: 1986 - 1989 Designer: Jacob Jensen Colours: Aluminium, White Beosystem 5500 - raw power, civilised manners At first sight Beosystem 5500 looked almost too refined to be a musical powerhouse. The clean, streamlined design, devoid of buttons and dials, gave no indication of the massive potential beneath. Intelligent remote control Beosystem 5500 was technologically at its best - extremely powerful in design, wonderfully easy to use. Each time you gave the system an order, the light display would tell you what was going on. Where you want - and when you like The modular design of Beosystem 5500 gave you complete flexibility in where you placed the different units. Beosystem 5500 was made up of the following individual units: Beomaster 5500 This was the brains of the system. Beogram CD5500 The quality of this CD player took time to fully appreciate. Beocord 5500 Beocord 5500 automatically adjusted itself to match standard, chrome or metal tapes. [H][A=/prod_details.asp? Author Notes:

Technics SB-F1 on TVK High-end audio in small sizes - a dream, isn't it ? Not really high-end but, in 1978, really advanced bookshelf -literally this time- loudspeaker design. High power handling, diecast alumium enclosures, rubber coating damping, aluminium voice coils, polyamide adhesives, polyester insulation, aluminium film caps, high rigidity woofers, anti-resonant center cap, 10,000 Gauss magnetic flux, linear phase driver placement, linear phase, copper-clad aluminium voice coil 2 or 3-piece horn tweeters, polyurethane free edge woofers - and good looks, too. Technics in Japan made a very special version named HAN-T1 : one of the woofers had its meshed metal protection replaced by a transparent plastic showing a battery powered quartz clock. You have to see it to believe it ! Better yet, every hour, a sound is emitted through the fully functional tweeter - how cheesy can you get ? I really wonder how these would compare today next to present offerings competing in "small size - big sound".

Der CD Player DER CD Player " Music-Station-Tube " ( MST ) Die Music-Station-Tube mit externem Netzteil und Röhren Ausgangsstufe ! ...oder hier in einem kompakterem Gehäuse und mit eingebautem analogem !!! ... und hier noch einmal in einer ehemaligen Arbeitsumgebung !!! Doch wie es zu diesem CD - Player kam lest ihr euch am besten in Ruhe durch ! Einen eigenen CD Player bauen? NEIN ! Ich hatte bis jetzt einen Rega Planet 2000 MK2 als digitale Quelle und wenn ich schon einmal CD gehört habe war ich eigentlich recht zufrieden mit diesem Player. Ich stöberte mal wieder durch das Internet und entdeckte ein paar Verrückte Menschen, welche Ihre teuren Edelplayer namens Wadia, Accuphase, Linn, etc. verkauft haben und fortan nur noch über eine Sony Playstastion hörten. Meine Neugier ließ mir dann doch mal wieder keine Ruhe. Ich dachte mir : Vielleicht will ich es einfach nur glauben, das dieses kleine Plastikteil so gut ist. Ich hatte mir bei Ebay eine Playstation ersteigert. Nun zu meinem Prototyp :

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