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Tang Band W4-1320SJF 4" Bamboo Full Range Speaker
F3 of this driver? Enclosure?
Does anyone have the F3 of this? I was looking to making a mid sized pair of bookshelf speakers for my desk at the office, so it won't need to be loud. I would like to have usable bass extension down to at LEAST the FS, but maybe a little lower if porting can do so efficiently. Just bought a pair and can't wait to experiment!
The recommended enclosure for this driver is .13 cubic feet with a 1" diameter, 4" long port. This provides a tuning frequency of 64 Hz and an in room response into the mid-upper 50's.
Date published: 2012-11-07
Is this Tang the same as the one with (almost) same model number, W4-1320SJ?
I'm considering buying one of these, but can't see from the specs how they are different, except that the version with F in model number as what looks like a 'shield', right? But that situation is usually denoted with an 'S' in the part number, not an 'F', right? So what is the meaning of the 'F'?
They will perform very similarly. The primary difference is that this one has a ferrite magnet motor, and W4-1320SJ has a neodymium magnet motor. The "F" in this case denotes ferrite. There is also a round framed ferrite version, if you are interested in that.Neodymium magnets are much smaller, and have much less magnetic stray. That is, their magnetic fields are more focused around the voice coil, so they need less magnet mass to have the same effect. This also provides a bit of faux-shielding, if you will, so they neo version can be placed in closer proximity to a television without a problem.
Date published: 2014-09-06