General technical information about Lansing products
Courtesy of saeman : At the request of several forum members I'll start this thread to discuss the options I've tested to install grille cloth on the wood framework. Hopefully other members will chime in, not with their failures, but with additional techniques for success. Since receiving my...
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*** Submitted by Giskard
Formulas: Sherwin Williams pigments and using a Martin Senour "Bright Life" Latex Eggshell Enamel, Neutral Base (Qt.) Behr Premium Plus Interior Flat Enamel, Deep Base (Gallon) (Home Depot)
... Submitted by Ian Mackenzie
JBL began "bypassing" the mylar and non-polarized electrolytic capacitors in their frequency dividing networks beginning with the model L110A loudspeaker system. These bypass capacitors were smaller, higher quality polypropylene and polystyrene capacitors which exhibited greater linearity,...
The subject of Alnico vs ferrite magnet drivers comes up fairly regularly on our site. The following is my attempt to clarify some of the issues involved. Before I get into a discussion on the merits and disadvantages of each magnet type, it is important to separate fact from fiction. To understand...
The following is a brief summary of the model naming conventions used by JBL over the years. Model numbers on the professional side have been a lot more consistent than model numbers on the home speaker products. However, there seem to be more exceptions than rules on both sides. This post attempts...
Hi group, Yesterday I had the pleasure of meeting with Mr. John Eargle at JBL in Northridge. John had invited me up to tour the history exhibit which is currently on display there. Although not a public display, he thought I might like to take some pictures to share with the JBL enthusiasts...
As requested:
Spreadsheet formulas courtesy of David Smith.
JBL’s reputation in loudspeakers has always been greatly influenced by their studio monitors. At the beginning of JBL’s professional endeavors, the consumer speakers and monitors shared components and system designs. Eventually, these lines would diverge into distinct products with different design...
Several forum members have put forward the question of compression driver diaphragm longevity. Here is some information. Context - 2410/2420/2421/2425/2426/2440/2441/2445/LE175/LE85/375/376 The power and efficiency ratings of these compression drivers can be found on the JBL Pro website or...
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