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Si.archived
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Hi Doug 
Yes, the one you're looking at, has the pair of 8002B digital-amplifier chips (bottom-right).
The additional Bluetooth-board, is appropriately, the 'blue thing' top-left.
I think this means it will RECEIVE Bluetooth, from eg. a cellphone.
I don't think it actually TRANSMITS Bluetooth though, to eg. a remote amp/speaker unit.
Mmm... ??
The Bluetooth feature seems to have limited usefulness, if this is the case, for a model sound-system.
Looks like a lot of extra dough getting paid out, for an F.M.-radio, a Clock & Bluetooth, all of which appear to be of limited use.
You don't need the remote either, I guess you have 2 already.
Si.
You might be able to broadcast C&W music to the town square, from your cellphone though !
Or
Play your phone calls back through the speaker in the sawmill !!
The machinery noise might make the caller hard to hear though !
____________________
' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1
' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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slateworks
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As I thought Si but thanks for the confirmation. Yes, I agree the "extras" are unnecessary and an even cheaper unit would make more sense. And yes, I've got remotes coming out of my ears! It seems that every bit of cheap electronics from the Far East has one and they all appear to be the same.
____________________
Doug
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Si.archived
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Hi >> REPLICANT << readers
I just bought a CD of steam railway recordings, made by one of the old-school of British Cinema sound-recordists, Peter Handford.
Some of the reviews on Amazon were pretty funny.
So here are the details & the reviews.
Peter Handford (1919 - 2007) was one of the British Film Industries' most respected sound recordists and mixers.
When out and about on location directors came to trust this artisan of sound to sonically and realistically complement the imaginative and often affecting visuals.
With his own personal passion you could argue that it was this same level of realism and authentic reproduction that would make his recordings of railways so special and evocative for those who came to hear them.
The average rail enthusiast could easily list the reasons why, far better than we could ever express here.
The qualities and the technical aspects that make them treasure the sounds of those last wistful days of steam.
Maybe it is because here you have something that wholeheartedly transports you back instantly to that moment in time and brings home the excitement of experiencing steam in its full glory and the array of emotions that follow.
Your senses are pleasingly overwhelmed by the noise, commotion, routines and trials and tribulations of the everyday workings of the railway.
Placing you in the heart of the action, and there you are standing, track side, in Handford's shoes, feeling the grit on your face and breathing in the smoke and steam.
Meanwhile in the background, the ever changeable British weather and landscape.
Track Listing :-
1. A down express passenger train, followed by an up express passenger train, passing in open country
2. A local passenger train starting out from a country station
3. An express passenger train passing, fast, in open country
4. An express passenger train accelerating after a signal arm changes
5. A local passenger train passing by in open country
6. An express passenger train climbing a steep gradient
7. Passenger trains near the summit of a climb from both directions
8. Passenger trains at the entrance to a tunnel
9. At a country station. Passenger and freight trains passing and a local passenger train arriving and departing
10. An express passenger train accelerating after leaving a station
11. A freight train slowly approaching a marshalling yard
12. A variety of locomotives at work in a large, busy marshalling yard, with loose coupled wagons
13. A loose coupled freight train starting
14. A journey on board an express passenger train
15. At a large main line station; a typically busy terminus
16. Locomotives moving to and from the loco. sheds
17. A journey on the footplate of a locomotive hauling a passenger train
18. Inside a large signal box at a busy main line station
19. Inside the signal box at a country station
20. Passenger and freight trains passing and leaving a station on a main line
21. Passenger trains arriving at, leaving and passing a large station; an important junction, on a main line
73-mins
Amazon UK Reviews :-
" I cannot reccommend this product highly enough!
I listen to it on an almost daily basis (usually whilst doing the washing-up) and find it very relaxing to have playing in the background.
If you are tired of listening to the usual drivel on the radio then this is for you.
The CD features 21 tracks (no pun), about half of which are of various steam hauled trains passing.
The real joy however, lies with the other half of the tracks which feature rather more operational interest such as shunting, riding on the footplate and the inside of signal boxes.
Top notch ! "
" Bought for background to a murder mystery dinner party set on a Trans-Siberian Railway, this worked really well.
I'm afraid I can't review how good the particular tracks of steam engines are though ! "
" This CD is really good and has some evocative tracks and sounds.
We had it playing when a man came to sell us new windows,
he said "Of course you won't hear the railway so much with these windows"
and we said, yes we will ! "
" This CD was bought as a Christmas gift for my husband who has set up a train room since retirement.
He was rapt with the sound effects and really enjoys playing and following the tracks as he runs his trains.
Says it has been one of his best gifts ever !! "
" I purchased this CD to play down my shed when I am working on stuff for my garden tramway.
With my big CD player I purchased from Argos I get wonderfull sound and it fill's my shed !!
Really a good buy unlike the CD with the American Locomotive on the cover which is hopeless ! "
Si.
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____________________
' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1
' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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slateworks
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Hi Si. Bookmarked in case it's something I can use when I see what you do with it.
____________________
Doug
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slateworks
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OK Si, now what?
One thing I found using one combination of MP3 player and small amp
d (1) by slateworks, on Flickr
was that the dimmer switch for the room lighting caused some minor speaker distortion. The lower the lighting, i.e. the harder the dimmer was working, the more buzz I got from the speakers. I must admit to using unscreened ordinary layout wire for the speaker connection and maybe screened wire would ease the problem but at the moment the distortion is not noticeable enough to justify a re-wire.
Interestingly, the other set up which uses the same MP3 player and ex-computer speakers which have their own built-in amp doesn't suffer at all. I'll be interested to hear what you discover.
____________________
Doug
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Herb Kephart
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Stay away from the new ballasts for a std, 40 W (now34) two tube fluorescent fixture.
One of these turned radio reception in my layout room (encased in aluminum) into nothing but a loud buzz, inspite of an outside antenna.
A pox on progress!
Herb
____________________
Fix it again, Mr Gates--it still works!"
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Si.archived
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| Joined: | 23 Feb 2012 |
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| Posts: | 5954 |
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Hi Doug.
Yeah, dimmers are noisy %£@$&*% !
My solution is simple...
...I won't have 'em in the house !!
I have been known to remove neons from things as well !!
Mmm...
It might be that one of the amps is 'digital' & the other 'analog'.
I'm such a vintage ol' dude, that I don't know much about these newish digital-amps.
But they are small, cheap & efficient, so seem to get thrown in a ton of stuff these days.
As I am now finding out.
You could just try 'screening' the cable between the MP3 player & amp-board.
Sometimes some Bacofoil(TM) wrapped around has a simple effect on things.
Just connect a bare 'drain wire' up inside the foil, from your audio-ground screw-terminal.
Cover in tape or heatshrink.
BINGO !
Si.
____________________
' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1
' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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slateworks
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Interesting Herb. And the possibility of radio interference (if that's what it is) had never occurred to me before this episode. I'm relieved it's so minor in my case.
____________________
Doug
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slateworks
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Hi Si. Thanks for the heads up. If it becomes an irritation I'll have a go at that. I reckon I'm even more vintage than you as I didn't realise that amps could be digital or analogue. To me they're just amps!
____________________
Doug
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Herb Kephart
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My amps make things smoke when too many cluster up in one place.
Herb
____________________
Fix it again, Mr Gates--it still works!"
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Si.archived
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| Location: | London |
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One thing about my 'economy' hi-tech parts is ...
... they aint arriving by rocket-ship !
Oh well, patience is a virtue & China-Post is CHEAP !!
A slow trickle of boards, bits & bobs is getting here though !
Doug ...
... you might be interested in this newly ordered item.
It allows the digital-amp output of the panel-mounted 'micro' MP3-player & also your 'bluetooth' one with 3W+3W amps built in ...
... to be connected to 'normal' analog line-level audio gear.
eg. the 'low pass filter' board, mentioned earlier.
Basically this unit is 2 transformers & a few other components, in a box, 1 transformer each for Left & Right stereo.
This cost me £1.19p inc. P&P on eBay & is on it's way here as we speak.
Si.
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____________________
' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1
' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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slateworks
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All extra info thanks Si and I'm eagerly awaiting news of what you do with it all - and the result of course!
____________________
Doug
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Si.archived
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| Joined: | 23 Feb 2012 |
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Hi Doug
I am of course, going to Post more on 'the plan' soon.
The plan is changing a bit though, as the various boards & parts are found.
This is really the R&D stage.
I thought I would start with this, before getting underway 'proper' like.
Otherwise it would all be one huge 'splurge' of info in Post No.1 !
OUCH !
It is great actually, that various Members have already expressed interest in >> THE REPLICANT <<
I have exchanged a TON of eMail recently, with Juergen (Toeffelholm), regarding his own 7/8ths loco & layout sound project.
One thing that has come up from this, is more of an investigation into 'Bluetooth' sound transmission.
I was wondering Doug, if you had got that Blutooth equipped MP3-player yet ?
I thought that it only RECEIVED Bluetooth.
But do you know if it TRANSMITS Bluetooth as well ?
It wasn't totally clear to me, reading the text from Hing Yong Pong Electronics precisely WHAT it did !
It did say it was very good value & would enhance my lifestyle though.
Do you feel your lifestyle has been enhanced by the Hing Yong Pong product ??
Si.
____________________
' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1
' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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slateworks
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Sorry Si, I've not got round to it yet as I've been distracted building a Cripple Creek/Minera Mexicana type small Mallet on a Roco chassis.
As and when I do dive back into ambient sound I'll report on developments. Good luck with yours and do keep posting on it.
Juergen might want to add his five penneth on here as it's all good education.
____________________
Doug
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