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write your own review of the MFJ-1275/1275M Sound Card to Rig Interface.
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KG8DP
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Rating: 3/5
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Feb 16, 2004 18:28
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Need Help but works good so far
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Time owned: 0 to 3 months
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Have figured out how to get it to decode. Using hamscope. Cannot get it to fire on cw. just sticking with the basics here for now. New to this sound card interface stuff. Can Someone please e-mail me and try to get the kinks worked out of the transmit so I get on the air with this thing. Thanks. :-) kg8dp@yahoo.com
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KB1IKD
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Rating: 5/5
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Feb 5, 2004 10:44
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So far their flawless.
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Time owned: more than 12 months
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I have had two of these rigs which I use on PSK, MFSK, and RTTY with an Icom 735 and an Elecraft K2. Both have worked flawlessly, after setting the jumpers for my rig microphone interface. I have no experience with other sound card interfaces to make a comparison.
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KB3JLZ
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Rating: 5/5
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Feb 5, 2004 10:14
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And the problem is?
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Time owned: 0 to 3 months
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Bought this unit back in November new from HRO. Didnt take long at all to set up and adjust the levels. This unit has worked well and flawlessly. No problems what soever on SSTV, PSK-31, AMTOR, MT63, Whatever. Would buy it again and do make reccomendations to others to use it.
73 Ren KB3JLZ
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W9THD
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Rating: 5/5
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Feb 5, 2004 08:50
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Mine works great
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Time owned: more than 12 months
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I bought mine two years ago and have never had any problems. Works as advertised. I started by connecting it to an ICOM 718. Ran it that way for about 18 months without a hitch. When I upgraded to a Kenwood TS-2000 I just lifted the lid, changed the jumpers, and once again flawless performance. If you like to change radios, this feature certainly saves the cost of another unit. I spend much of my HF operating time using soundcard modes like PSK31 and RTTY, and soon will have the necessary antennae to begin working the VHF digital modes with this unit. In that time the only difficulty I've had has been with my old Packard Bell (266Mhz) computer which I hope to replace someday. The MFJ-1275 works and I would recommend it to my friends.
73
Tim
W9THD
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K4CMC
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Rating: 0/5
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Feb 5, 2004 03:07
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Major quality problems
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Time owned: more than 12 months
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I bought the unit about a year ago and it worked for a few weeks and then stopped working for no apparent reason. Thought it might be my soundcard, so I replaced it. Still did not work. Did not send it back due to extremely poor service on a tuner (had to send it in three times to MFJ factory). Finally bought a Donner interface which comes with all needed cables wired up and is half the money and plugged it in and it worked great immediately. Would recommend Donner if you have only one or two rigs as they are specific to rig, otherwise Rigblaster. Pass on this one unless you are willing to gamble.
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WA2EWE
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Rating: 5/5
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Jan 22, 2004 23:29
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Plug and Play! Great!
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Time owned: 0 to 3 months
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I took it out of the box, set the jumpers, plugged it into my laptop and FT-897 radio and I was up and running on PSK31 Deluxe in minutes. I didn't have to adjust levels or fuss with it at all.
I ordered this interface after reading the reviews, reading the manual, and corresponding with MFJ. Since the literature didn't describe how to set the jumpers for the FT-897, I wrote to MFJ and asked for the details. MFJ responded that the settings were the same as for the FT-817 as described in the MFJ-1275M manual. Well, it really was as easy as that. Didn't even need to use toroids to quiet any noise. Looks like MFJ did a fine job here. If I needed another one, I would purchase this one again. The price was right.
My only recommendation would be for MFJ to add a small internal speaker to permit monitoring audio without having to use an external speaker. That would make portable operation a bit simpler. I might just add one myself.
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W1JCJ
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Rating: 4/5
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Oct 24, 2003 11:42
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Easy way to get on dig modes
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Time owned: 0 to 3 months
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After mulling around ways to boost my enthusiasm for ham radio, I decided to try PSK31, SSTV and even RTTY. The 1275 seemed an easy way to get rolling and I bought it despite the negative comments here and general impression of MFJ quality.
After a week with this little box,I have to say its a simple easy effective way to hook up your SSB HF rig to your PC and play. I had no difficulty with the connections and used the shareware to decide what software I wanted to buy or find on the net. Setup was easy; there is a simple schematic and diagram to help you set jumpers for mic/ptt lines. I needed to wire my own cable for my old Kenwood TS830 but that was easy. There are no hum, ground loop or quirky problems.
Only complaint and reason this rates a 4: the price (~$99) is a bit high for a handfull of low grade components. I'd almost think an opto-isolated design could be had for this price. But if you dont want to spend the time scrounging transformers and etching a board......its not a bad choice
73
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WB7CYO
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Rating: 3/5
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Apr 25, 2003 12:00
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Initial wiring problems
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Time owned: 0 to 3 months
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Bought two of these new. The mic. cable was wired wrong on both. Could not get them to work right and shipped back to MFJ for repair. Work fine now,
fair price for a unit that does the basics.
But I will probably do more "homework" before I buy another MFJ product.
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K1FPV
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Rating: 4/5
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Mar 13, 2003 12:40
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Not Bad For The Price !
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Time owned: 0 to 3 months
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Having bought and owned a number of MFJ products, I have to say that it is OK for the price. Mine didn't work after initially hooking it up and programming the jumpers. It wouldn't key my old and trusted IC-740. The RX did mute but the T/R relay wouldn't kick in within the IC-740.
After taking some voltage measurements in the MFJ-1275, it was apparent that the voltage drop across the surface mount inductors(L3 & L4) was too high as the IC-740's relay did draw a decent amount of current. The DC resistance of the inductors was about 6 ohms. I replaced the inductors with wired RF chokes of the same value and less than 1 ohm resistance each. BINGO, it worked great after that.
Perhaps MFJ should consider using chokes with a much lower resistance in the PTT section of the interface. It is still a fine interface for the price and I like it !
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AL7B
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Rating: 5/5
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Feb 22, 2003 16:51
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Good Value
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Time owned: 0 to 3 months
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I have found this interface to be a good value. It seems solid and performs well. The jumper settings can be a bit confusing to figure out but allows great flexability.
I do with one more jumper were included, that to remove the speaker termination resistor. This would allow the unit to be used with 600 Ohm, fixed level, audio sources. I lifted one lead of the resistor and is how I am operating mine.
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