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View Full Version : 2235H vs 2234H



tweeter
01-21-2010, 10:14 AM
What´s the difference between both models?

tweeter
01-21-2010, 10:42 AM
What is "mass ring"? The rubber ring around the magnet?
Are they sound and electricaly equivalent?

Fangio
01-21-2010, 10:49 AM
A 35gr mass control ring made from plastic is added to increase the weight of the cone and tune it lower.
(http://www.classicaudio.ru/images/tech/jbl/L65catalog_fig8_12inch.gif)

tweeter
01-21-2010, 11:00 AM
Thanks but, where is placed the ring? In the back of the cone?
Sorry for my ignorance......

Fangio
01-21-2010, 11:13 AM
Here's a nice drawing from the L65 Jubal booklet.
(http://www.classicaudio.ru/images/tech/jbl/L65catalog_fig8_12inch.gif)

tweeter
01-21-2010, 11:19 AM
Clear now. Thanks.

subwoof
01-21-2010, 12:52 PM
cast metal, not plastic.

Fangio
01-21-2010, 01:00 PM
cast metalI stand corrected.

Mr. Widget
01-21-2010, 01:10 PM
...followed by possibly useful information:

http://audioheritage.org/vbulletin/showthread.php?t=414&highlight=2235H+mass+ringFollowed by, a very thorough answer to:


What´s the difference between both models?

Sometimes the info can be tricky to find, but there is so much here to find...


Widget

Fangio
01-23-2010, 03:00 AM
Plastic, don't know what I was thinking of.. :rolleyes:

anyway here's a more recent pic of a 2235H kit w/mass ring installed in a basket, and dustcap removed.