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sensible FM tuner choice
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Old 31st March 2019, 02:29 AM   #21
paba is offline paba  Canada
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IBOC noise is documented here is one report, you can skip to conclusion on page 45.

http://www.nprlabs.org/sites/nprlabs...l%20Report.zip

You can also google a bit on IBOC noise .

Paul
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Old 31st March 2019, 02:47 AM   #22
keilau is offline keilau  United States
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Default digital technology in Radio

Like it or not, it is difficult, if not impossible, to find a broadcast radio, for car or for home, that does not have a frequency synthesis front end.

Both the Marantz ST-6000 and ST7001 have frequency synthesis front end. The ST7001 front end is more integrated, thus, more compact in size. I suspect the same Marantz team designed both tuner and used newer components for the later ST7001. Both have decent sensitivity with ST7001 edged out ST-6000 by 0.1uV, practically identical.
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Old 31st March 2019, 03:04 AM   #23
keilau is offline keilau  United States
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Quote:
Originally Posted by paba View Post
IBOC noise is documented here is one report, you can skip to conclusion on page 45.

http://www.nprlabs.org/sites/nprlabs...l%20Report.zip

You can also google a bit on IBOC noise .

Paul
Paul, it is a 10 years old report. Do you experience a lot of IBOC noise when listening to FM at home? Particularly on headphone?

More importantly, it concluded that IBOC noise is mostly not a problem in component tuners. It should be no surprise to anyone. In car, it is so noisy that nobody cares.
Quote:
Originally Posted by NPRLab_report2008
First, as stated before, results vary greatly among radios. In addition to cost (perhaps the biggest determinant of quality of a receiver), the type of receiver seems to correlate with susceptibility to host channel IBOC impairments, primarily due to a correlation between cost and type of receiver. When ranking all of the receivers tested by their MP1 mode results only, a handful of not particularly surprising trends become clear. Of all 7 of the boom boxes, all but one falls in the bottom half of the group of all 29 receivers tested, having higher than average impairment from IBOC. Conversely, of all 7 home stereos, all but 2 rise to the top half of the larger group. In a way, this grants broadcasters of high power IBOC some leeway with regard to analog host interference. It seems that receivers designed for careful listening, such as home stereo entertainment systems, have less trouble filtering out IBOC than portable stereos and clock radios, not intended for critical listening. These radios are more often used in situations where background environmental noise will overpower some or most of the decline in the analog receiver’s noise floor.
In the good old days, component tuner used to spec the 19KHz and 38KHz sub-carrier signal suppression. Filter in modern tuner are so good that no one spec those number anymore.

Last edited by keilau; 31st March 2019 at 03:21 AM.
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Old 31st March 2019, 03:12 PM   #24
BrianL is offline BrianL  United States
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sensible FM tuner choice
Keilau,

Have you looked at the Tuner Information Center - Vintage Stereo Tuners web site; they also have a mailing list. There is a huge amount of info there on tuners by FM tuner enthusiasts. Check it out if you haven't already.
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Old 31st March 2019, 06:02 PM   #25
keilau is offline keilau  United States
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Quote:
Originally Posted by BrianL View Post
Keilau,

Have you looked at the Tuner Information Center - Vintage Stereo Tuners web site; they also have a mailing list. There is a huge amount of info there on tuners by FM tuner enthusiasts. Check it out if you haven't already.
Yes, I am quite familiar with the TIC website and have consulted its reviews many times. But they have not covered the Marantz ST7001 and ST-15S1. So far, no respondent claims first hand experience with them yet,

The Denon is very well represented. I have used Denon TU-600 and TU-1500RDS in recent years based on information there. The TU-1500RDS performed beautifully.

I have WFMT in the Chicago area which has very high quality and good classical music selection. But selection of FM station is very limited. I decided not to spend the money on a collector's grade FM tuner. The Maraantz that I asked about are good enough for my purpose. I ended up looking at Marantz ST7001 and Marantz ST6000 due to performance, feature, availability and cost at the moment.

Last edited by keilau; 31st March 2019 at 06:07 PM.
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Old 31st March 2019, 06:10 PM   #26
rayma is offline rayma  United States
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Quote:
Originally Posted by keilau View Post
I already picked the ST7001.
Don't forget that you can also stream WFMT. No noise, no problems.
Listen | 98.7WFMT
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Old 31st March 2019, 06:47 PM   #27
keilau is offline keilau  United States
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Default streaming WFMT

Quote:
Originally Posted by rayma View Post
Don't forget that you can also stream WFMT. No noise, no problems.
Listen | 98.7WFMT
My goal is for listening on my main, 2-channel, analogue sound system. Can I do it without a computer, Ipad, iPhone, Google Assistant or Amazan Alexa connected to the sound system?

I have Comcast/Xfinity for cable service. A Sony BDP-7200 Blu Ray player is connected to internet by CAT-5. I use a DAC to connect their digital sound output to my preamp.

Your advise is much appreciated.
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Old 31st March 2019, 09:18 PM   #28
rayma is offline rayma  United States
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Quote:
Originally Posted by keilau View Post
A Sony BDP-7200 Blu Ray player is connected to internet by CAT-5.
I use a DAC to connect their digital sound output to my preamp.
The Sony should be able to stream internet FM to your stereo system.
Check the owner's manual for details to see.

Last edited by rayma; 31st March 2019 at 09:24 PM.
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Old 31st March 2019, 11:57 PM   #29
keilau is offline keilau  United States
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Quote:
Originally Posted by rayma View Post
The Sony should be able to stream internet FM to your stereo system.
Check the owner's manual for details to see.
possible, but I have not tried it yet. The Sony software has a number of music (Pandora etc.) and video (Hulu etc.) in the default menu, but I could not figure out how to add to them using URL yet.

I suspect that I can access WFMT using its internet browser, but the screen keyboard is a pain in the neck to use.

I hope that other Sony user can help me out. If it works, I will not need a FM tuner after all.

Last edited by keilau; 1st April 2019 at 12:08 AM.
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Old 1st April 2019, 12:00 AM   #30
rayma is offline rayma  United States
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Quote:
Originally Posted by keilau View Post
I suspect that I can access using its internet browser, but the screen
keyboard is a pain in the neck to use.
A newer model may be easier to use, try a Best Buy or similar store
if no one here can help.
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