cassey jones Posted January 17, 2015 Share Posted January 17, 2015 (edited) 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... ] 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......... Edited January 17, 2015 by cassey jones 1 Link to post Share on other sites More sharing options...
mattrose Posted September 14, 2017 Share Posted September 14, 2017 I have got a V4 Loksound decoder with a 20x40mm speaker from 'DC Kits'. For a class 37/4 Large Logo. I have placed the speaker in the recess of the chassis, with the lugs at either end removed. I have also removed the fan housing unit from the roof, leaving only the fan held in with some insulation tape. The speaker was supplied in a black box, and can't sit fully in the chassis. When I lower the body onto the chassis it comes down but doesn't reach the bottom. Leaving a 5mm gap. The speaker is on top of all the wires but they are spread out to make the speaker sit lower in the chassis. Would a low profile sound chamber be smaller in depth? Any ideas why this might be? Link to post Share on other sites More sharing options...
charliepetty Posted September 14, 2017 Share Posted September 14, 2017 I have got a V4 Loksound decoder with a 20x40mm speaker from 'DC Kits'. For a class 37/4 Large Logo. I have placed the speaker in the recess of the chassis, with the lugs at either end removed. I have also removed the fan housing unit from the roof, leaving only the fan held in with some insulation tape. The speaker was supplied in a black box, and can't sit fully in the chassis. When I lower the body onto the chassis it comes down but doesn't reach the bottom. Leaving a 5mm gap. The speaker is on top of all the wires but they are spread out to make the speaker sit lower in the chassis. Would a low profile sound chamber be smaller in depth? Any ideas why this might be? There are two mounting pips about 7mm long for the fan to screw into, thet need removing. Charlie Link to post Share on other sites More sharing options...
mattrose Posted September 15, 2017 Share Posted September 15, 2017 Sorted! I have removed the speaker from its casing and sat it in the culvert in the chassis. The roof now comes down and secures. Link to post Share on other sites More sharing options...
tractor_37260 Posted September 15, 2017 Share Posted September 15, 2017 Sorted! I have removed the speaker from its casing and sat it in the culvert in the chassis. The roof now comes down and secures. The sound quality/volume will be very poor with the speaker casing removed, a better option would have been to cut the original fan mounting points flush with the bodyshell roof (as already suggested above by Charlie) leaving the speaker enclosure fitted. Link to post Share on other sites More sharing options...
mattrose Posted September 15, 2017 Share Posted September 15, 2017 The sound quality/volume will be very poor with the speaker casing removed, a better option would have been to cut the original fan mounting points flush with the bodyshell roof (as already suggested above by Charlie) leaving the speaker enclosure fitted. I may do that in the future but I'll need to get some equipment to cut them. How would you recommend cutting them? Link to post Share on other sites More sharing options...
Andrew F Posted September 15, 2017 Share Posted September 15, 2017 I'd use pliers than grind the excess away with a minidrill with grinding bit or more likely for me, scrat the stub with an old knife. Link to post Share on other sites More sharing options...
tractor_37260 Posted September 15, 2017 Share Posted September 15, 2017 I may do that in the future but I'll need to get some equipment to cut them. How would you recommend cutting them? An Xuron track cutter or electrical flush side cutters etc ............ Link to post Share on other sites More sharing options...
charliepetty Posted September 15, 2017 Share Posted September 15, 2017 An Xuron track cutter or electrical flush side cutters etc ............ A Soldering Iron will melt the of if your carefull. Charlie Link to post Share on other sites More sharing options...
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