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| Reviews Summary for Datong FL3 |
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Reviews: 12
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Average rating: 5.0/5
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MSRP: $£64.95 (GBP)
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Description: Variable High Pass/Low Pass/Notch Filter
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More info: http://
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write your own review of the Datong FL3.
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NV2A
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Rating: 5/5
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May 22, 2008 15:03
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fantastic piece of gear
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Time owned: more than 12 months
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I know this is an old thread but feel obligated to rate such a fine product.
If you can't tune out an interfering station with this unit it's because the guy is sharing the same frequency. It excells at slicing out just the signal you want if there is any difference in their frequencys at all. I paid $175.00 for mine at Dayton about 10 years ago and would not part with it for anything. I have an Icom 756 Pro III but it's digital receiver ain't got nothing on this Daytong FL3. If you have analog gear you need an FL3 wether or not you know it !!
In the DX club I belong to we used to call the Auto notch filter the "search and destroy" button!
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N0PL
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Rating: 5/5
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May 1, 2008 09:32
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Superb
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Time owned: more than 12 months
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I had placed the unit on the shelf some years ago when I moved and had forgotten about it. I recently pulled it out and hooked it up to my Kenwood R1000 receiver. The R1000 sensitivity is OK but selectivity is lacking. After putting the FL3 in line, it was like using a "new receiver". It is absolutely amazing. I have an outboard SCAF filter and the FL3 is superb over the SCAF. I did a search on the web and found another FL3 and I bought it. I have an outboard DSP unit and I prefer the FL3 over the DSP unit (audio is cleaner/clearer). If you get a chance to try one, I'll bet you will buy it.
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K9XT
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Rating: 5/5
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Aug 17, 2005 21:48
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A superb audio filter and a true classic!
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Time owned: more than 12 months
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I recently was able to purchase a new in box Datong FL-3 Multi-mode filter, after having sold an FL-2 many years ago. I had forgotten about the quality of the Datong products and just how well the FL-2 and FL-3 filters work.
I encourage anyone looking for an audio filter to search for a Datong FL-2 or FL-3 and buy it immediately! If you see one at a hamfest, don't walk by it thinking it will still be on the table in an hour!
Its a shame that the Datong multimode filters are no longer readily available. This is a true classic of amateur radio.
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KC8HXO
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Rating: 5/5
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Sep 13, 2004 17:37
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Top dog!
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Time owned: 3 to 6 months
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Outstanding. Superb quality and engineering. I don't need DSP with this. My older rig with filters, and this in the audio chain, I bet I can hear as much as any new-fangled (Read EXPENSIVE) DSP rig. And the audio is still pleasant to listen to. If you find one, I suggest you try it out. I've owned the FL-1, and FL-2 also. They are all GREAT!
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W9CW
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Rating: 5/5
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Nov 29, 2003 21:16
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Excellent Filter
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Time owned: more than 12 months
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I have owned the FL3 for several years. I've directly compared it "in real time" with my JPS NIR-10 and NIR-12 DSP-based units. The FL3 is superior to the NIR-10 in all respects. The Dual-DSP NIR-12's "Dynamic Peaking" feature is superior to the FL3's SSB bandpass filters. However, the FL3 excels over the NIR-12 in the CW narrow-band filter modes, plus it tunes much more smoothly than the NIR-12. Additionally, the Auto Notch's depth on the FL3 is superior to the NIR-12. The NIR-12 can reject up to 4 hetrodyne tones at one time, whereas the FL3 can only reject 1. But, the total depth of the null is greater on the FL3 than the NIR-12. I was surprised, but that's what I found, and on a repeatable basis. I prefer the FL3 over the NIR-12: much smoother tuning for CW operation and, of course, no digital artifacts or constant worry of overdriving the A to D converter. Overall, an excellent addition to the shack for CW operation, and for instant hetrodyne removal on SSB.
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9VTTW
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Rating: 5/5
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Feb 16, 2003 02:33
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Works like a charm
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Time owned: more than 12 months
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Been out of SWL for over 10 years. Recently dug up my average-performing Icom R72 receiver and connected the Datong FL3. Had never used the FL3 before but the results were amazing. The steep bandpass filters and the FL3 internal amp. made my Icom a whole new radio. The auto-het. notch is so accurate and deep that I hardly touch the manual notch. Only trouble now, the FL3 has got me hankering to go out and buy those fancy new DSP noise reduction stuff :-)
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GM0WNR
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Rating: 5/5
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Feb 4, 2003 16:01
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Nice little piece of kit !!
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Time owned: 0 to 3 months
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Only had this filter about a week or so, but already very impressed. I am mostly CW but do a little SSB and use it along with an unfiltered Yaesu FT840. I have been a ham for @ 5yrs now and I can say that this is one of the best buys I have made as it is so easy to use and so versatile. I have tried the Daiwa AF-606K and although good on CW, excellent in fact, I found it poor at best on SSB. I also find the FL3 a lot nicer looking (which is a factor more important than most of us will admit to). It has a strange power jack setup at the rear consisting of a 3.5mm jack socket - WEIRD!! There are 3 other sockets on the rear,all phono types, for audio in, out, and tape. The front also has a 1/4 inch headphone jack, power is 12V. It is very easy to use but the manual is very good, if anyone needs a copy then drop me an e-mail. On SSB , I find it very good, coping very well with most types of noise and even some unwanted hash within the audio passband, judicial use of the IF shift on the FT840 along with the FL3 usually sees off most unwanted stuff, and can render an almost lost QSO, to one where at least the important info can be gleaned. In CW mode however the filter really comes into it's own, the filtering it gives is not only excellent, but easy to achieve with only one rotary control being used. I think one of the most important features of any filter is that it should not only work as intended, but that it should also give the necessary effect without having to fiddle with the knobs too much, this only ends up with the operator spending more time fiddling and less time working people, in my humble opinion this filter does both of these things very well. Last but not least the auto-notch is a dream, it works very quickly, just take care not to leave it on in CW mode. I think a combination of this filter plus a 500Hz CW filter would be excellent.
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M5ABS
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Rating: 5/5
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Nov 16, 2002 15:03
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excellent item
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Time owned: 0 to 3 months
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i have just aquired this little beauty and though i dont have a user manual for it,i am surprized at its capability.on 40m it stopped a cw station causing qrm to my qso with a weaker station.i use it on rx only and believe that it can be used on the tx uadio too.has anyone done this.can someone perhaps help me with a scanned copy of the user manual please.
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WB1FPA
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Rating: 5/5
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Jul 2, 2002 21:37
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Top Notch
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Time owned: more than 12 months
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I've used SCAF, DSP and basic op amp AF filters. Of all the units I've had, this is the top of the line. Excellent manual, and accurate automatic notch filters. High Pass and Low Pass filtering have excellent shape factors (like a tunable 5 or 6 element crystal filter would have). If you can find one, try it out, you may find as I have, that when all else changes, the FL3 remains on the desk. Regardless of age, its worth every penny.
WB1FPA Tom
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