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Old 12th September 2012, 10:31 PM   #511
sippy is offline sippy  United Kingdom
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I have 4 channels of LM3875, I can steal a pair of channels back off mother, a Cyrus 2/PSX and a Kenwood A-91 that I use for game noises.
The latter is possibly the sweetest sounding of the bunch, the C2/PSX and LM3875 are about the same unless the latter are fed with the simple 6922 pre.
Once I have listened to the Em's here at home, I'm going to speak to Big Ears Audio in Newquay and see if I can take them there to audition with some valve kit.
I've thought about working my way through the single ended Zen's, Z4 would seem to (me) to be the best bet or perhaps Papa's ACA or IRF F5, PLH or JLH.
Decisions decisions.
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Old 13th September 2012, 12:21 AM   #512
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Quote:
Originally Posted by chris661 View Post
multiple-ports-different-tunings.html
Thanx Chris

dave
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Old 14th September 2012, 12:37 PM   #513
sippy is offline sippy  United Kingdom
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Well, final afternoon of doing chaps.
Jobs left:
Drill pilot holes in the removable vent parts (will take a photo of the parts for all to see).
Glue and screw the panels together + pilot holes for removable backs.
Bolt in drive units.
Take photo of completed 'speakers.
Make noise.
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Old 14th September 2012, 01:38 PM   #514
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Quote:
Originally Posted by sippy View Post
Make noise.
Yeah baby! Noise sweet noise!
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Old 15th September 2012, 08:48 PM   #515
18Hurts is offline 18Hurts  United States
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Bring on the noise! (pics also please)
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Old 16th September 2012, 01:28 PM   #516
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How's the noise Sippy?
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Old 16th September 2012, 03:02 PM   #517
sippy is offline sippy  United Kingdom
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The loudest noise in the hood was made by Matt and myself swearing on Friday as we battled to try and keep A box strait.
The cuts are bang on 90deg and the battens are square. Sides were assembled on a very flat surface, so the slight twists in the side panels we taken out when the whole lot was clamped / glued, pinned and screwed. I guess the easy way to make them is to make the outer side and battens square with the front baffle line and chop on a HUGE table saw when the box is together, same way P10 does. I went to a 'Do' Friday night and got asked by a stranger how my speakers were sounding - turns out the guy was the one from the wood place I purchased from and they have a HUGE table saw / offer a cutting service:
68 pence a cut and a rough quote of 20 each box for assembly.
GUESS what I'm going to do next time?
Matt's told me that we couldn't odds them being this difficult - or rather awkward.
Still, at least they're closer to done in one week than the previous six and I find myself chuckling about things
Pictures - my cameras dead and so is my cellphone (died Sat am), which had a camera, so I'm on a hunt to borrow the former and will post a pic of a side and vent extensions later IF I can reduce it and get it to attach.
In the mean time I have a Sim race league event this evening at Zandvoort to prepare for and I'm expected by my team to win..... the pressures of motor sport *sighs
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Old 16th September 2012, 04:09 PM   #518
sippy is offline sippy  United Kingdom
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Pictures taken, though as it requires a hosting site to post, maybe JKRO or Dave could post them for me?
I have an aversion to such things that verges on OCD.
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Old 16th September 2012, 04:27 PM   #519
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No hosting required. Just make sure the image is the right format and size then use the paperclip - attachment facility
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Old 16th September 2012, 04:43 PM   #520
sippy is offline sippy  United Kingdom
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Thanks for the hint JKRO.........
First picture shows front baffle and brace - might have taken a bit too much out when cutting holes.
Picture 2 - 4 show alternate vent parts, When all are in place these give a vent length 'close' to JKRO's, the wider of the two parts installed gives 'close' to Dave's modified porting.
A cunning arrangement with plenty of scope for twiddling state of tune.
Attached Images
File Type: jpg DSCF0742.JPG (160.6 KB, 234 views)
File Type: jpg DSCF0743.JPG (155.4 KB, 225 views)
File Type: jpg DSCF0744.JPG (150.3 KB, 227 views)
File Type: jpg DSCF0746.JPG (148.9 KB, 227 views)
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