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May 30, 2013

Comments

Gary

On the Yahoo redsun-shortwave-radios group, someone posted this:

"To me it seems more like Anjan DTS 10 with Grundig 450 like cabinet style... very less similarity with RP3100 which is far different..."

Avo Ohanian

Makes me wonder about the innards. If this unit performs on MW and (more importantly for my FM DX bent) FM similarly to the RP2100 then I will probably snap one.

However I am a little sceptical. The Jaycar updated version (AR1748) of the old RP2100 look-a-like unit (AR1747) still mentions the use of MOSFETs in the front end. But this unit doesn't have that listed which makes me wonder if the s/n and sensitivity figures are comparable....

Ian

I have a Jaycar AR1747 which is a rebadged Redsun 2100 and it is a good unit however it was $100. This new one is $175 which is a big difference. I don't have my 2100 with me to check but I think the 2100 takes 4 D cells but has a separate compartment for 4 AAs. This one is listed as taking 6 D cells. It would be interesting to know what the 3100 takes.

Gary

Another guy on the Yahoo group says:

"It's a rebadged Grundig S450DLX and not DTS-10 or RP3100..."

Ian

"It's a rebadged Grundig S450DLX and not DTS-10 or RP3100..."

If they have rebadged it they have also moved the tuning knob to the middle of the radio and added a lot more memory buttons. That seems like a fair bit more than just changing the name. Also the S450DLX seems to sell for around $90 in North America. The Jaycar radio is going for $179. Australia is usually dearer than the US but not to that extent.

Chinese radios seem to use the same case for many different models, just changing the plate beneath the display to allow for different placements of knobs and buttons. To know for certain which factory it came out of it might need some one to take it apart and see what is printed on the circuit board.

Avo

I can see the disparity in price with the Jaycar unit as it has VHF Air and a built-in SSB decoder (I think it is a true carrier insertion decoder as it has a USB/LSB selector with a fine tuning knob to compensate for the 1kHz step size).

I didn't think the S450DLX had either of these features.

Unfortunately I didn't get a chance to go to the local Jaycar store (considering it is a 5 minute walk from my abode - well it was awfully cold on the weekend!) but must get around to it.

Avo

Just checked out one of these puppies (strange things happen when I have a day off work). Feels very solid. Apart from the different front layout, it looks exactly the same as the AR1748 (basically an updated RP2100). Unfortunately I wasn't able to switch it on as the power adapter was not handy.

Manager of the Jaycar store didn't even know they had arrived (he assumed it was another load of 1748s). Stock level shows 5 at that store and about 50 state-wide/online warehouse store.

None sold yet. No information available apart from the blurb in the catalogue.

A.

Richard Griffith

I just received my Digitech AR1945 yesterday directly from Australia. It arrived in only 3 days but at $72US, the import costs are steep. It arrives well packed and in a nice box. The radio is about the size of the Grundig 450 offering. It uses the same front mounted tuning dial as the 450 does. It feels heavy and doesn't sit perfectly straight but is better than the other offerings from these Chinese made radios.

The Digitech supplants the wobbly band and bandwidth knobs for buttons. This is a very nice change. The 5 watt speaker sounds amazing too. There is no dedicated light button, but you can set a switch so that all the buttons light up when you engage the radio. After much research, I do think this is a rebadged Redsun RP-3100 which I am not sure ever came to market?

FEATURES: Wow does the Digitech offer features! But...do they work? Well, yes and no. The Digitech takes SSB listening to a new level, splitting rhe fine tune first into 1/10th step and then for super fine tuning, it offers a 1/200th step that is organized as -0-99+99-0. This should allow the user to really pinpoint the signal. It doesn't. No matter how much I fiddle with the fine tune, I cannot get the "garbled" sounds out of the voices I hear. I was frustrated but not surprised.

On MW, below 900Khz, there is a buzz or grinding sound that accompanies your tuning efforts. Then...it locks onto a frequency and you are shocked at how well it locks on. It's as if there is an auto sync detector running in the background.

SW is good and much like the other offerings in this group. While FM sounds good, I would say its overall FM reception is average at best...similar to the Grundig 450 or CCRANE-SW.

I also have the Anjan DTS-10. I love the looks of the Anjan. With this one, there is a significant bug with the FM band but everything else works well enough. The Anjan uses a BFO tuning knob where the Digitech attempts to use dedicated USB/LSB button configuration. The difference is that the Anjan can clearly copy SSB without the garbled voices.

The Anjan is smaller. It has a cool display too. You can set the backlight on even in battery mode. I can see why Eton and CCrane will not offer so-called enhanced featured radios at this juncture. Too many bugs??? While the Digitech and Anjan offer a lot of bang for the buck, I personally cannot recommend them because each radio has its bugs. If you can live with these bugs, as I can with the Anjan's FM bug (I have plenty of FM radios), then go for it. They are cool novelties and I do plan to use them.

Tecsun has worked out sync, so I am hoping these guys will get it right too eventually. I think the market is ready for a higher end receiver.

I hope this helps.

Regards,
Richard Griffith

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