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Ferrofluid 300uL General Purpose for 1.5" 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 # 
340-542
Weight: 0.1 lbs.  
IN STOCK
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Part # 340-542
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Product Details

Ferrofluid 300uL General Purpose for 1.5" 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 300uL General Purpose for 1.5" Diameter V.C.
  • BrandFerrotec Corp USA
  • Part Number340-542
  • UPC844632086304
  • Product CategoryReplacement Diaphragms & Baskets
  • Unit of MeasureEA
  • Product Rating
    (2 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.

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Reviews

Ferrofluid 300uL General Purpose for 1.5" Diameter V.C.
Ferrofluid 300uL General Purpose for 1.5" Diameter V.C. is rated 5.0 out of 5 by 2.
Rated 5 out of 5 by from Geat product and price!After alot of shopping around,PE is the best for price and premeasured use.I used one each on tweeters for the Kef 104/2 and now they sound revitalized and clear.The tweeters were designed with ferrofluid in them and I was not about to chance cleanig out the old dried up ferrofluid and use them without it. I'm sure the people at Kef know alot more about these things than I do so I'm not about to "build a better mouse trap".
Date published: 2013-11-12
Rated 5 out of 5 by from Ferrofluid worksI gave new life to my 20 year old $1000+ B&W P5 speakers by cleaning out the dried gunk (old ferrofluid) in the tweeters voice coil gap and then injecting a couple of dollars of Parts Express Ferrofluid . The tweeters had not been emitting any sound - and with a crossover to the tweeters of 3KHz, this ruined the sound of the speakers. I tested the speakers before and after injecting the Ferrofluid and the fluid smoothed out the sound noticeably. Plus, I upgraded the old non-polaraized electrolytic capacitors in the crossover network with audio grade polypropylene capacitors. The results were nothing short of amazing.
Date published: 2013-11-12

Product Q&A

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Ferrofluid 300uL General Purpose for 1.5" Diameter V.C.

Ferrofluid 300uL amount of questions

Ferrofluid 300uL amount of a single speaker driver can be used for?Or the amount that can be used for one pair?Thank you
Asked by: penanea
These tubes are intended for each voice coil in which the size is specified in the description.
Answered by: MattP
Date published: 2012-10-12

I have Kef 107 T33 tweeters 1 inch diameter. Do I need 1 of this tube for both or 1 each for each tweeter. Do I get instruction for open voice coil?

Asked by: Chang
One tube is designed for a 1-1/2" coil so you will not use the entire tube for each tweeter. You could use about half a tube per tweeter but I cannot say how much this will affect the performance. Unfortunately we do not have any directions on taking the tweeter apart.
Answered by: MattP
Date published: 2014-03-18

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