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Group buy 3fe22 anyone? |
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Hemisphere 
Old Croc 
Joined: 21 April 2008 Status: Offline Points: 2272 |
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 Posted: 30 October 2014 at 3:29pm |
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http://www.audiomate.co.uk/proddetail.php?prod=Monacor-SPH-30X%2F4-Mini-Full-Range-Speaker-3-inch-50W-4Ohm&gclid=COCj_6PY1MECFUrpwgodg1sAuw
Audiomate are doing them for £23.77 now. It would be interesting to find out what their wholesale price is. They seem very well designed drivers but the production cost must be low given their size and weight.
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lutkeveld
Young Croc 
Joined: 23 September 2013 Location: The Netherlands Status: Offline Points: 517 |
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Posted: 30 October 2014 at 3:36pm |
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Neo magnet and kevlar cone are not very cheap features.
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Hemisphere
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Joined: 21 April 2008 Status: Offline Points: 2272 |
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Posted: 30 October 2014 at 3:54pm |
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True, the bulk of the cost certainly comes from there, neodymium is about £60 a kilo now. I guess there's about 75 grams of it in these drivers, that's about £4.50. It's a wonder the Faital drivers could be so cheap. Can't be much margin in that.
Edited by Hemisphere - 30 October 2014 at 3:55pm |
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EdTheProfet
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Joined: 01 April 2009 Location: Southampton Status: Offline Points: 87 |
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Posted: 30 October 2014 at 5:19pm |
Have you considered asking us what deal we can do and if we'd mind ordering the 4 ohm for you? You might find you actually get the drivers, at a great price and without a shedload of hassle... Distributors are there for a reason and we are very approachable, mostly ;)
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Saturnus
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Joined: 13 July 2010 Location: Copenhagen Status: Offline Points: 2025 |
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Posted: 30 October 2014 at 5:22pm |
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The Monacor version is a slightly modified OEM version of the p.audio original. I personally prefer the original... it's also cheaper. The p.audio original is as far as I know also the driver used in the Mini-Rig.
Edited by Saturnus - 30 October 2014 at 5:26pm |
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Hemisphere
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Joined: 21 April 2008 Status: Offline Points: 2272 |
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Posted: 30 October 2014 at 5:35pm |
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I didn't open it up to check but when I had a Minirig I shone a light through the grille and it looked like a paper cone to me.
Thanks for the offer Ed, I'm still considering options, as mentioned price is really the major deciding factor as I've already gone way over the usual festive spend for this project. I also considered the Monacor SP8 4 SQ ( http://www.audiomate.co.uk/proddetail.php?prod=Monacor-SP-8%2F4SQ-Mini-Loudspeaker-4Ohm-20W.max-88.5mm&gclid=CJ2_9-_11MECFWXnwgodw2UAcQ )because that would bring the overall spend down from £30 to £20 - at some sacrifice of quality and efficiency I'm sure but keeping in mind this is meant as an alternative for socks or a boardgame or something. I found this in relation to the SP8  I'm not sure how accurate that is but it seems to suggest it would do the trick. Monacor doesn't post TS parameters which is very suspicious but this looks like a measurement, possibly guessed parameters to match the curve.
Edited by Hemisphere - 30 October 2014 at 6:09pm |
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EdTheProfet
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Posted: 30 October 2014 at 6:09pm |
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No problem, it's always worth asking for a discount (sometimes even on Monacor tat!).. we do like to look after speakerplans members :)
Very interested to see how the project turns out.. I might have to borrow a few ideas! What are you thinking for batteries?
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Hemisphere
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Joined: 21 April 2008 Status: Offline Points: 2272 |
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Posted: 30 October 2014 at 6:13pm |
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http://www.ebay.co.uk/itm/Durable-Mobile-Power-Bank-Charger-for-2x-18650-Rechargeable-Battery-USB-5V-/390916329896?pt=UK_MobilePhones_MobilePhonesCasesPouches&var=&hash=item5b046dd1a8
+ http://www.ebay.co.uk/itm/10x-UltraFire-18650-4200mAh-3-7V-Li-ion-Rechargeable-Battery-for-LED-Flashlight-/400766636923?pt=UK_ConsumerElectronics_Batteries_SM&hash=item5d4f8d937b The 5v charger may be rubbish and there's gotta be something wrong with the batteries for 82p each... but if it powers up at all it's a success and with a 6w peak amplifier is bound to last a good amount of time.
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Hemisphere
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Joined: 21 April 2008 Status: Offline Points: 2272 |
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Posted: 30 October 2014 at 6:23pm |
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Incidentally I thought I should post this for the sheer wtf-ness:
http://www.aliexpress.com/item/Free-Shipping-20pcs-PAM8403-module-Super-mini-digital-amplifier-board-2-3W-Class-digital-amplifier-board/2044214288.html That's 20p. 20 pence, delivered, for a 6 watt class D amplifier circuit..  |
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Saturnus
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Joined: 13 July 2010 Location: Copenhagen Status: Offline Points: 2025 |
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Posted: 30 October 2014 at 6:58pm |
Pretty sure it is not though  Mostly because Davey_T himself writes the p.audio pa20k/4 are the drivers used in the Mini-Rig in this old thread http://forum.speakerplans.com/pa20k-4_topic18323.html
Edited by Saturnus - 30 October 2014 at 7:00pm |
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Hemisphere
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Joined: 21 April 2008 Status: Offline Points: 2272 |
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Posted: 30 October 2014 at 7:12pm |
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Okay, well I trust my eyes :D kevlar is pretty distinctive with a light shone on it - textured not smooth. I think that was one of the driver used in prototyping, along with the sph30x and probably others too.
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davey t
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Posted: 05 November 2014 at 9:20am |
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Yea it's not that p.audio/monacor driver in the Minirig and it's not a paper cone either- that wouldn't last long! But I have some Monacor SPH-30X 4ohm drivers left if anyone wants to buy a few. £10 each a fair price?
http://www.bluearan.co.uk/index.php?product=Monacor_SPH-30X_4_3_inch_4_ohm_Kevlar_Cone_full_range_driver&id=MON104400 I have a load of 6" sub drivers too.. can't remember the exact specs but they were going cheap on parts express a while ago and had a nice low fs and decent xmax. |
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Minirig portable soundsystem movement
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Hemisphere wrote: