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jb JFX - Test report from an Audiophile in France (Mr. SAM BENELBAZ )

Samples tested:
jb JFX—Premium Metallized Polypropylene film capacitors
JFX 94uF 250VDC +/-5% Bulk RoHS                 Qty: 2pcs
JFX 22uF 250VDC +/-5% Bulk RoHS                 Qty: 2pcs
JFX 3.5uF 250VDC +/-5% Bulk RoHS                Qty: 4pcs
Datasheet link:: http://www.jbcapacitors.com/pdf/JFX-Premium-Metallized-Polypropylene-Film-Capacitors-Axial.pdf 

 
Introduction of Mr. SAM BENELBAZ
French, retired, have the hobby of TUBE do it yourself; used to work in IBM as a professional of electronics; after that for LASER a company involved in point of sales solutions and hardware maintenance, in that position, he bought a French company sic-safco.
Mr. SAM BENELBAZ is member of some forums in US and France, some are AUDIOASYLUM.com and DIYAUDIO.com fun withtubes. com and some others.
 
Original letter from Mr. SAM BENELBAZ
 
Dear Iris,
I hope you are ok.
I have installed the JFX capacitors last Sunday and i can now give you my impressions.

But first i have to tell you what speakers and amps i used for the test:

The speakers are YAMAHA NS1000M well known in the market and very revealing .
The amps are two american CARY tube amps model 40M using 6SL7 and EL34 tubes.
In this test the EL34 are NOS Philips EL34 of the XF2 series (the best).

The Yamaha crossover was using mainly NICHICON capacitors using metalised paper .
I did replace every capacitor with the ones you send me.

The CDs i use for the test are very good Cds , classic music and jazz mainly.
I know them very well and can hear the differences well.

Now lets come to the findings:
The JFX has good audio imaging and you can hear obviously more details than with the nichicon .
I think this is because they are wounded very tight.
Congratulations to the worker who did the job.
 
At this very moment I think that JFX are very good capacitors for cross overs and with their price-sound ratio you can go to the market without any shame.

My best regards
Sam
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    jb Capacitors Company is ISO manufacturer founded in 1980 in Taiwan. We are specialized in production of Plastic Film Capacitors and Radial, SMD & Snap-in, Screw and Lug terminals Aluminum Electrolytic Capacitors.

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