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Ferrofluid 100uL General Purpose for 1" Diameter V.C.

Overview
Ferrofluid improves the performance of high frequency and midrange drivers. It works by damping the impedance at resonance to effectively lower distortion, smooth frequency response, and increase thermal power handling.
Highlights
  • Great for retrofit/replacement or new applications
  • Damps impedance at resonance
  • Reduces distortion
  • Conducts heat away from voice coil
  • Increases power handling capacity
  • Comes complete with cleaning strips and instructions
  • Sized to fit approximate voice coil diameters
Part # 
340-540
Weight: 0.1 lbs.  
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List Price$5.99
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Part # 340-540
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Product Details

Ferrofluid 100uL General Purpose for 1" Diameter V.C.

Ferrofluid improves the performance of high frequency and midrange drivers. It works by damping the impedance at resonance to effectively lower distortion, smooth frequency response, and increase thermal power handling. It should be used to replenish drivers treated previously with ferrofluid. With care, it can also upgrade most drivers that have never contained ferrofluid. The kits listed are approximate fill quantities relative to approximate voice coil diameters. In general, the air gap should be 75% filled prior to inserting a voice coil diaphragm assembly. The kit contains synthetic ester-based ferrofluids and in most cases should not pose any adhesive incompatibility. It is recommended that this is confirmed by contacting the driver manufacturer prior to usage. Adding ferrofluid to a driver not intended for it will, in most cases, void the original manufacturer's warranty. Included in kit: A ferrofluid packet, absorbent paper strips for removing old ferrofluid, detailed instructions, and material safety data sheet.



Product Specifications
  • TypeFerrofluid
Ferrofluid 100uL General Purpose for 1" Diameter V.C.
  • BrandFerrotec Corp USA
  • Part Number340-540
  • UPC844632086298
  • Product CategoryReplacement Diaphragms & Baskets
  • Unit of MeasureEA
  • Product Rating
    (6 Reviews)
  • Weight0.1 lbs.
  • California Prop 65

    Warning: California residents only. Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Similar Products

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in the Replacement Diaphragms & Baskets product category.

Reviews

Ferrofluid 100uL General Purpose for 1" Diameter V.C.
Ferrofluid 100uL General Purpose for 1" Diameter V.C. is rated 5.0 out of 5 by 6.
Rated 5 out of 5 by from Worked like a charmI replaced the dried up ferrofluid in my KEF 104.2 K-33 tweeters. The ferrofluid kits from Parts Express have just the right amount of fluid for one 1" tweeter. Ferrofluid is amazing stuff. It jumps right into the magnet gap. It really smoothed out the high frequencies on my KEFs. They sound brand new.
Date published: 2013-10-29
Rated 5 out of 5 by from Great Product...This fluid had a bit of a salty taste, but seasoned my chicken wonderfully… Oh wait, this was for my speaker. It seems to work great. I haven’t pushed the speakers yet, but I’m sure it will work great.
Date published: 2013-10-28
Rated 5 out of 5 by from saving tweeter lives :)Had to change my jbl tweeter diaphragms way too often n then realized I needed ferrofluid. Life savers and the best deal around.
Date published: 2013-08-20
Rated 5 out of 5 by from "Re-fill"I recently obtained a set of Metronome 7 speakers, they sounded terrible like the cones were frozen. A quick examination revealed the woofers and tweeters had fluid cooling that had dried i ordered 6 of these to refill my speakers after removing the old fluid. Amazing the difference. These speakers are now so good at doing nothing to the music. I close my eyes to point at the sound when i open them, I'm pointing no where near the speakers. Perfect! this replacement fluid was better than expected.
Date published: 2013-04-23
Rated 5 out of 5 by from Works with B&W SpeakersGreat product and was advised by B&W to purchase from Parts.
Date published: 2013-01-18
Rated 5 out of 5 by from ferro fluidbefore finding this available at PE, I tried to buy it from ferrotech and found it was too expensive. PE has made it affordable!!! The first thing was to replace some fluid in a pair of old tweeters, like an oil change, but better! Next I tried it on a pair of expensive German tweeters that had never had ferro fluid but I could see evidence of the voicecoil rubbing on the magnet. This smoothed out the response but slightly changed the sound character of the tweeters.
Date published: 2013-04-22

Product Q&A

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Ferrofluid 100uL General Purpose for 1" Diameter V.C.

Suitable for JBL 2412H-1 replacement?

My client removed all the ferro fluid in these JBL drivers (1" dia.) Is this a suitable replacement and is the amount correct for the driver cavity? Thanks.
Asked by: Mskee
It is suitable but without knowing the cavity size it wouldn't be possible to know. Normally, each tube has more than needed for the average gap size so my guess would be, yes, it will work.
Answered by: outback
Date published: 2011-09-28

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