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write your own review of the Alinco DX-70TD.
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KD0DB
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Rating: 3/5
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Nov 4, 2003 19:57
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Worked well for awhile
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Time owned: more than 12 months
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Alinco DX70-T
When I first got the radio it had a problem with overheating and I sent it back. They replaced it under warranty. Now about 4 years later it just overheated to the point that it burned out the transmitter amplifier, AND IT WASN'T EVEN TURNED ON!!I had been using it and it was working fine. Turned it off (but left the power supply on) and was elsewhere in the shack when I smelled it cooking. I couldn't touch the back of the radio and power wires were about to melt. Now, although the transmit light comes on when you key the mike it has no RF power. I am going to send it to Alinco and get it fixed. But I bought an IC718 to take it's place anyway. If it works well in the future it'll be a good radio on the sailboat.
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LU5AIM
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Rating: 4/5
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Oct 15, 2003 08:07
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Good rtx
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Time owned: 6 to 12 months
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I have one, I bought it 1 year ago.
I'm satisfied with it.
It has narrow filter for ssb and cw like serie.
The receiver is hot and very good.
I think that NB is not good, this is a problem when I use it in my car like mobile rig.
In six meters band work great, but when I use it in my shack or like portable isn't a problem.
It has four levels of power, 100, 50, 10 and 5 W
like QRP is fun!
Tks! Max LU5AIM/EA7
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KD7EFQ
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Rating: 4/5
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Oct 4, 2003 16:51
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Good 2nd hand rig
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Time owned: 6 to 12 months
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I own 2 of these that I bought 2nd hand in like new condition for $400 ea. 1 developed an audio chip failure 24 hrs after I bought it, but KK7TV repaired it and actually used a higher output chip. Im putting it mobile as I won't have to strain to hear it above the road noise. With Icom 706's and FT-100's at the same price, I wouldn't give what they want for this radio new, as the others offer so much more. But if you can find one used for $300-400 that is in good shape, Their worth it. 73. T
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N0MKJ
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Rating: 2/5
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Apr 29, 2003 09:05
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Great until you need service
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Time owned: 3 to 6 months
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This is a great radio till you need service. The service dept. is quick but they don't have the parts to fix things. It doesn't look like they can even get them.
This is the last rig I buy from alinco.
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N5VWN
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Rating: 5/5
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Jan 29, 2003 19:07
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Very rugged radio the past many years!
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Time owned: more than 12 months
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When did these things come on the market? 95? 96? Well whenever they came out, that's when I bought it. I got it to use as a maritime mobile. Great CW machine and good SSB reports. Pretty easy to use. Nothing is perfect and I didn't get much out of the NB. I can tell it's there but I've never had much luck with noise blankers anyways.
Electrical noise everywhere these days. I wish it had an internal keyer. Minor really but I'm on my 2nd MFJ keyer. In a marine enviroment, this rig has been wonderfull for years. I'm glad it's idiot proof too, as I've keyed up a few time over the years with nothing plugged into the back or the wrong antenna. Man, I've had this radio forever and it's never missed a beat. Has a great reciever and sounds as good as any other BIG radio I've listen too. So my rig is 6 to 8 years old or something like that. (going a bit off topic now)I told myself this would be my last little radio as I wanted to get a big pretty one like that Icom 756pro-II next time. But then I got married. Then I got the "qrp while at work bug" and being a sneaky ham. Now I'm using my old HW-8 while I wait for my tiny ft-817 I just now ordered. No lie! (going back on topic now) So I still have my alinco DX70T it's by my bed. I let the soft sounds of a cw pile up put me to sleep. I still have to unplug my tv at night because it puts out rf pulses that the noise blanker can't take out. But is that the radio's fault or the t.v.'s? And no, chokes didn't work. This is a good honest rig. I got a good one. I've read lots of reports from lots of brands and there is always a lemon from every company. My advice is find something that appeals to you and buy it. We are all just appliance operators now anyways. I just wimped out from building a K-1. And it doesn't make mounds and mounds of cole slaw like the ft-817. hi hi Sri about the ramble, that's just me.
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AD5EM
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Rating: 5/5
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Jan 4, 2003 12:34
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DX-70T Great Radio for the money
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Time owned: 6 to 12 months
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I wanted to put an hf mobile in my truck, but it sits outside, so I didn't want to put a $1000 radio under the dash. I bought my Alinco from a Radio Shack employee who had bought it for his son, but his son never upgraded to general. I put in on my base, to get familiar with operation and it stayed there for 9 months! Yeah, I liked it more than I ever thought I would. Easy to use, good signal/audio reports, pretty hot receiver and it's cheap. I've heard folks express concern over getting them fixed, but everybody I've talked to that has one, has not had any trouble with it, time will tell.
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WB1FPA
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Rating: 4/5
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Dec 15, 2002 20:18
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Great on a budget
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Time owned: more than 12 months
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Receiver: The Alinco staff had to do allot of analysis to achieve the level of performance and simplicity offered by this model radio. The AM filter doubles as the FM selectivity filter. This means it’s broad for AM SWL use, but OK on a clear short-wave channel, while doing a good job on FM. In the AM mode, the SSB filter can be switched in to help with extreme interference (while loosing considerable fidelity). Again, given the price of the radio, good value engineering. The CW ceramic filter is 1KHz wide, which is less than perfect on a crowded band, but at the time the DX-70 was designed, there weren’t inexpensive alternatives. This 455 kHz CW filter is augmented by well designed CW audio filter, which has the effect of narrowing the CW bandwidth to about 500 Hz but can’t keep stations from activating the AGC if within the bandwidth of the 1 kHz filter. Since this very same 1 kHz ceramic filter can perform the function of a narrow SSB filter, again Alinco made a rational compromise (I would estimate that about 4 out of 5 voices can still be understood with this narrow a filter). The SSB ceramic filter is the exact same filter found in the Icom IC-718 and the Yaesu FT-817. (Isn’t it interesting how this Murata CFJ455K5 is always a topic of discussion in the FT-817/847 but everyone loves it in the IC-718?) These filters have about the same shape factor as a 6 element crystal filter, so while not perfect, they do a very credible job while only costing the manufacturer less than $20. The receiver’s fast and slow AGC are excellent. The RF front-end is on a par with radios at and just above the DX-70 in price. I’ve not heard front-end overload here on the east coast on 40M at night (preamp off) and up on 6M it seems very sensitive. The built in speaker faces up, takes no front panel space, and is very good as built in speakers go. The noise blanker is poor, but by mis-aligning the noise blanker IF coupling transformers, it can be tamed into being a little more useful.
Common circuits; The PLL synthesizer has 25 Hz steps, which is about the largest tolerable step when tuning in SSB for natural sounding voice. The PLL is very stable, about 10-15 Hz warm-up from a cold start, and little or no measurable drift thereafter. I’ve not noticed any spurs in any Ham or SWL ranges. The tuning knob is weighted , and quite smooth, with an adjustable drag mechanism for mobile or high vibration environments. The Tx/Rx relay is somewhat noisy, and I’d recommend using headsets when operating QSK CW. The control layout is very easy to use (but buttons should have been backlighted for mobile use).
Transmitter; The QSK is very good. The Tx/Rx relay is noisy, but functional. Cooling fan noise is audible not objectionable until the fan hits high speed (not often, usually after 5-10 minutes key-down on PSK31/RTTY). Audio reports are good on SSB with and without the audio processor. The supplied hand-mic goes a long way in making the audio sound so good. Stock power settings are 100W/10W on HF & 10W/1W on 6M. If you adjust the internal 100W set-up pot for 50W on high , then low power will be 5W (for QRP use). (6M is then 5W high/.5W low.)
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WQ5MM
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Rating: 5/5
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Nov 11, 2002 21:09
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Great radio
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Time owned: 3 to 6 months
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Bought the DX70T at Ham/Comm this past June in
Arlington,Tx. It's in my Dodge P/U and does very
well. Easy to learn, lots of memories, up and
down mic to change freq, with external speaker
I enjoy all my roadtime hf mobile. Have used it
in the house with my sec 1223 ps, into a MFJ969
tuner and G5RV, worked FB. 73's WQ5MM
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AD6KB
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Rating: 4/5
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Oct 9, 2002 06:39
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FINE RADIO
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Time owned: more than 12 months
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For a bare bones mobile HF rig it does a great job. Terrific front end on rcvr is the quietist I've heard. Consistantly good reports on SSB for signal quality.
Pickyness: that cable connecting the control head to the main box is HUGE and kind of ungainly. But it sure is tough; controls are sluggish when the unit is cold, I use mine in my pickup and on 40 degree mornings, the frequency just does not like to change using the main dial.
Recently had to send unit to repair shop as it had received a Dodge Ram alignment of the recevier. I guess due to vibration. Easily fixed but annoying.
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