Tuner Nat 05 versus Nat 05 XS

Ron Smith Galaxie-17's are the most popular/recommended for NAT's,  Naim have numbers of the bigger G-23's on the factory  .........  https://www.ronsmithaerials.com/.        They are a bit obtrusive with 3 rows of horizontal elements,  but that aside they really do work.  If that is a problem,   an 8 element Blake is a very good alternative make ......... https://www.blake-uk.com/vhf-b...i-fm/180-fm3468.html

..........  and another thing is your location,  even with a good aerial if you are in a poor signal strength area it might be better to think about something with more sensitivity.  Magnum Dynalab's are a good place to start looking  

PTCM posted:
Hungryhalibut posted:

And remember that unless you have a top notch aerial you won't hear what either is capable of anyway. 

Can you please give me an example of a top notch aerial (brand/model no.) ?

Many thanks

Naim's recommendation is the Ron Smith Galaxie, the G17 being probably the most popular model for use with the NAT01/101/02.

When I put one on my roof I needed to get planning permission, and could only put it on the rear of the house, and not the roof. Even then I had to chop some of it off and make it into a G14. 

These days I'm very content with the FM module in my 272, fed by a five element aerial on the roof. With an NDX and a Supernait 2, I really do wonder if you are getting carried away and that a NAT05 is all you need.....

Mike-B posted:

Ron Smith Galaxie-17's are the most popular/recommended for NAT's,  Naim have numbers of the bigger G-23's on the factory  .........  https://www.ronsmithaerials.com/.        They are a bit obtrusive with 3 rows of horizontal elements,  but that aside they really do work.  If that is a problem,   an 8 element Blake is a very good alternative make ......... https://www.blake-uk.com/vhf-b...i-fm/180-fm3468.html

..........  and another thing is your location,  even with a good aerial if you are in a poor signal strength area it might be better to think about something with more sensitivity.  Magnum Dynalab's are a good place to start looking  

Thanks to you and Richard,

I am in HK and do not have the space luxury for this type of Ron Smith aerial.  I am told by a friend about this ST2. Is it just as good or not even close?

Magnum Dynalab - ST-2 

Living in HK changes the whole game,  do you have any uncompressed FM radio service ??   I doubt it, & IMO a NAT-01 & 02 is a bit pointless.  NAT-05 is a good alternative & more suitable for you.

The ST-2 is nowhere near close to a G-17,  MD claim it has 2.5dB gain,  a G-17 has 33.7dB.   

Looking back at the original post, three weeks and three pages ago, it seems that the OP already owns an 05, with which he is very happy. So over the next three weeks and three pages we have gone all the way to suggesting an 01, which turns out to be impractical, only to recommend that the OP purchases what they have already.....

It's like Dickens' circumlocution office, and yet another example of where if people put in their profile where they lived, and provided all relevant information in their original post, a lot of wasted time would be avoided. 

Mike-B posted:

Living in HK changes the whole game,  do you have any uncompressed FM radio service ??   I doubt it, & IMO a NAT-01 & 02 is a bit pointless.  NAT-05 is a good alternative & more suitable for you.

The ST-2 is nowhere near close to a G-17,  MD claim it has 2.5dB gain,  a G-17 has 33.7dB.   

There is an antenna outlet available on wall that connects to the roof of the building, which is 30 storey high.  Is that good enough for 01/02 ?

PTCM posted:

Just got the 02 and is on.  Even without fancy attenna, the 02 sounds gooood.  Thanks again to those who recommended 01/02.  01 is not so easy to get in this part of the world, but I will try to get that at some point.

That was quick. Anyway glad you have it sorted. Enjoy the 02 

As far as aerials, a strong topic of mine, you should indeed talk to a proper aerial installer - you need to discuss stations that you want to receive with them and they should check the installation with an analyzer/meter - having the highest gain Yagi aerial you can is not necessarily the best solution. Also having a aerial with many elements can really add to its wind loading potentially causing unintended structural damage elsewhere. To  achieve  maximise SNR ratio with a typical house  you should ensure a good quality balun is fitted at the aerial assuming it is a dipole or Yagi and you are using coax cable. (this is all about ensuring the coax shield remains a shield and not become part of the antenna picking up interference/noise - it can also help optimise the performance  of the aerial). A regular 5 element Yagi with a folded dipole mounted well in the clear above the roof line  with balun and good quality low loss downlead should be absolutely fine for many circumstances. 

Get it right and a good aerial makes a great difference... with almost totally silent stereo decoding with no/minimal sibilance... get it wrong and you will hear low level warbles and noise on stereo stations with noticeable sibilance.

Simon

Simon,

Thanks for your comprehensive input on attenna.  

In the context of signal quality on 01/02, does the light on stereo equate a "good" or superior signal? 

I am told that magnum dynalab 205 can make huge diff on 01/02 setup. No idea how it functions differently relative to Smith's type of aereial.

That said, it costs half of 02's price. Do you guys have experience with that product?

 

PTCM posted:

 

I am told that magnum dynalab 205 can make huge diff on 01/02 setup. No idea how it functions differently relative to Smith's type of aereial. 

A MD 205 is a signal tuner box.  Its a full size box with just a few components on a small circuit board that is claimed to fine tune the aerial input.  Ron Smith's Galaxie aerial's are a design of FM aerial that can pick up both horizontal & vertical polarised signals,  as such they are slightly different & a lot larger than standard aerials,  but they are just another version of the zillions mounted on rooftops everywhere.    Whoever is telling you about "huge" differences with the MD 205 seems (maybe) to be over enthusiastic.

If as you said in a previous post you live in a HK city environment,  in an apartment/housing block 30 stories high &probably using the communal TV/Radio system, I think you are best advised to do nothing & listen to what you have.

Mike makes a good point. Given your location and your building, you don't have a lot of options (if any) apart from the communal feed which with its roof mounted antenna, has the best chance of giving you a usable signal. Adding something like the MD 205 might give you more problems depending on how well the communal system has been designed and implemented and how well the distribution amplifier(s) are working in what is likely to be a difficult RF environment. 

If the Stereo light is illuminating and you can hear very little noise (apart from a small hiss) underneath the actual radio program then that's the sign of a good signal on these tuners. 

Do nothing and listen is good advice 

To add to the MD 205 question:  Do you live in a weak signal area, do you have a specific difficulty receiving some stations; if the answer is no then you don't need it. The tuning function might (might) help in a extremely strong / crowded-signal situations & maybe (maybe) help receive a weaker station that is adjacent to the frequency of a stronger station. The signal amplifier function might make further problems as amplifying a weak signal is you are also amplify the noise.

 

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