cassey jones
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Posts posted by cassey jones
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You can use the fuel tanks as a sound chamber, it would work as long as it is a sealed unit and nothing escapes up into the motor area. -
If it is a V3.5 RTR model - forget the blu tak enclosure on the chassis, fit a bass reflex 100 ohm speaker into the fuel tanks.
It will go alot louder and will add bass your 37 will growl! - This is the only way to improve the RTR V3.5 model for increase loudness
If its a V4 chip get youself the Alan Butcher speaker fitted into the fuel tanks - this is a serious growl on a 37!
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The only answer to this is fitting a 100 ohm bass reflex speaker into the fuel tanks - if its a v3.5 chip. Or a Alan Butcher bass speaker into the tanks if its a V4.0 chip - either way a complete strip down is required, it is easy but certainly well worth it.
Sealing the speaker will give you a slight improvement in sound - but nowhere near to fitting either of the above speakers - especially the AB speaker!
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This video has shown how this latest 'Paul Chetter Zimo' has taken sound chips to another level.........
As this is a Rail Exclusive special DS fitted loco, why don't they do a BR Blue version? Now that would be something.
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Oh Yes we thrash!
So you can toggle F6 to rev the 37 from coasting as long as the loco is moving above the threshold value for the thrash sound.
Works a treat!
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This is the lastest enhanced Class 37 multi drive on a Zimo sound chip.
It shows the 37 coasting, then a bit of instant full thrash, the thrash starts automatically and is switched back to coasting via pressing F6 - at any speed.
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Here is a new enhanced Paul Chetter Class 37 Multi Drive ,-
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They will no doubt be using SWD.
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Here is the latest Bachmann 37DS model, chip + speaker swapped for a Zimo Multi drive sound chip and renumbered to 37120.
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Either the 23mm or 40x20 both enclosed with blu'tak for an enclosure sat on the chassis and then the bass reflex in the tanks but leave your tanks without a base cover so the sound flows unhinded.
Hear the 37 growl!
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Which bass reflex speaker are people referring to? I've had a look at the dcc supplies website and none of them seem entirely suitable because of the narrow/shallow bit in the middle of the tanks.
Richard
http://www.dccsupplies.com/shop/product_info.php?products_id=673
You need to cut away the middle section of the Tanks so you only have the two outside walls of the tanks left in place.
I glue my reflex in place uncovered, just make sure your track is clean, no track pins laid about, otherwise you will have to lift the loco and remove the pins.
Let your ears decide.
[ don't forget you need to tweak your CV's to get the best of the loco on your own layout, everybodies layout is different.]
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You can change a couple of CV's and have notching on your 37, but before you go down that route, try this....
CV5 to 20 and CV6 to 10,and have a play , sorry test and either increase or decrease CV5 further, - what ever you change CV5 to - change CV6 to half of CV5's value
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You'll be okay as long as you keep the volume below about 45. (CV 63 and 45 should be plenty).
I know others on here favour the arrangement but I've personally never seen the benefit. You get more volume from the increased enclosure volume but, I've never been able to hear any improvement in sound quality. If I was going to the trouble, I would fit a bass reflex or make your own enclosure as detailed by Pete Harvey on another thread........which I will try and find for you!.
Just buy yourself a Bass reflex speaker from DCC supplies - http://www.dccsupplies.com/shop/product_info.php?products_id=673
fit it in the tanks and listen to the 37 growl.
Totally agree with the above regarding x2 23mm in the tanks, just makes increases in the volume, once had all my 37's this way, until a tried the reflex on the tanks and leave either the original 23mm speaker on the chassis or a 40 x 20 retangle speaker on the chassis.
Let your ears be the test!
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Hornby 08 with Howes sound chip and 23mm speaker fitted into the cab, sounds much better than the original Hornby speaker fitted to it.
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You need to use the base enhanced speaker along with the standard one on the 31 as shown in the link below
I used a bass reflex speaker with it and it still sounded dreadful, muffled almost as though it was recorded with too much volume, as the sound on all functions was distorted - Having said that, I suppose if I was not use to the quality of Howes and SWD sound files I may have thought it was good!
Mine is now back from Howes and the difference is remarkable!
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I had a SWD class 31 chip re programmed by Keytes, to hear what the quality was like. Similiar to Mr Soundguy sound files - quality wise!
Its now at Howes for their sound files................
You have been warned!
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I would have to agree with you regarding the class 20 and 47, Howes way better.
SWD rule the roost though with their class 37's and 25's.
Here's my link to vids
http://www.youtube.com/watch?v=yOlhann1T30
http://www.youtube.com/watch?v=_zSSNoO-q0M
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Dodgys probably a bit strong! If you prefer Howes ones to SWD then its probable you won't like Olivia's, although some have quite nice sounds.
No, I have already tried Olivias DS chips and barge pole and touch spring to mind.
Already have 08 20 24 25 26 31 33 37 40 45 47 50 and 55 DS chips and can whole heartly recommend Howes and SWD sound chips!
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Are all Olivias sound chip dodgy then?
I purchased a class 33, it was dreadful, I had to have it re programmed with the Howes version.. much better.
It seems Olivias sound files are supplied by different people? Perhaps this is why there are always problems with the DS chips they sell!
The 26 in that video differently sounds like the Howes 25?
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Yes, the 24 and 26 should sound similiar and the 25 and 27 should sound similiar.
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Here's a few of my videos only taken using a vivitar digital camera though.
http://www.youtube.com/watch?v=E7FmbhBZWCo
http://www.youtube.com/watch?v=YSyyw5avDDc
http://www.youtube.com/watch?v=50NTPP9Afic
Bachmann Class 37 DCC Sound
in DCC Sound
Posted · Edited by cassey jones
Part of the fun is experimenting on what sounds good for you, its the same as choosing speakers for the job............
I use to use some years back a large 28mm speaker fitted under the fan [blu tak sealed] with all my Zimo 37's - what is now called the tortured path method [is this a Paul Chetter term...
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Those type 3 sure did growl!
Finally moved on to Alan Butcher bass reflex in the tanks - a lot more work to fit - but wow do those 37's do sound deeper.........