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Post by petea on May 28, 2024 21:04:22 GMT
Where abouts are you? I've a fair bit I keep moving around the workshop and you are welcome to some. On the border of Shropshire and North Worcestershire,closest town Kidderminster, TBH it's a kind offer, but l can't see it being cost effective if your miles away. No that is probably too far. However, I might get a visit from Paul at Commercial Cameras in Church Stretton in a month or so and I'm sure he would not taking some with him if you have not sourced any by then. That would be a lot nearer I assume. |
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Post by mattspl on May 28, 2024 21:16:45 GMT
For the ATC PA65’s, I bought self adhesive vinyl floor tiles and stuck them to the inside of the cabinet before filling with the wadding. I got them in b&q fairly cheap.
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Post by stellabagpuss on May 28, 2024 21:37:52 GMT
Well thanks for everyone's input. l've just be down a rabbit hole, and been reading and discovered a big discussion about damping subs.
Additional damping can reduce resonances, but it can also alter and smooth frequencies out, however it can reduce output, and if your sub is ported,it can alter its effectiveness at its tuned frequency, its really is balancing act of tuning.
And l pust apologise, if l didn't fully disclose that the damping is for a woofer enclosure that operates below 200hz. Naturally adding wadding and pads is a lot more effective from Mid bass frequencies and above. lt seems that's why many subs simply don't have anything in them, as by damping, you can loose the chest thumping experience that you would expect,it reduces efficiency
And also why you don't see PA bass cabs,or Bass Player Speakers treated.
Anyway..l'm open to discussion,and reporting what l've read on this debate, there seems to be a divided view point.My take away, use small amounts,do you really need to damp everything, and the same with wadding...start with small amounts...
Looks like l'll been kept busy with this,and probably the best way forward, is to use a mono signal,and compare one speaker to another.
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Post by MartinT on May 29, 2024 4:24:04 GMT
All I would add to this is that the low frequencies add the most vibration input into the cabinet and it's a balance of how much do you want to hear the cabinet working, compared with the driver? Sadly, you can't separate the two. Perhaps bitumen panels internally without any stuffing? You really just want the cab to stop making sounds with the music as that sullies the purity of the bass. Perhaps try one Dodomat or similar on the rear internal panel and listen?  |
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Post by stellabagpuss on May 29, 2024 11:01:02 GMT
Just ordered some Dodomat.. Thanks Martin
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Post by stellabagpuss on Jun 3, 2024 15:10:01 GMT
So.... After all my efforts.. l going to abandon the Indigo woofers, although they improved a little bit, slightly tighter bass, they simply just don't have the enough impact, or soundstage when paired with my MA Studios. Now the positive outcome, l have returned to my Tannoy VS10BP Band Passes. You would thought l tried this set up, but l had totally different amps, and l was powering the Tannoy's via my Behringer amps. This time I now have them via there High Pass filter and my Nord amps. This brings the crossover to 110hz. Now this is a bit of a surprise, as it sounds really good, back is the impact, the sound is simply more balanced. l am a lot happier now, as l will retain my Tannoy and move the rest of the equipment on.  MA Studios & Tannoy VS10BP by Damien Read, on Flickr |
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Post by mattspl on Jun 3, 2024 18:34:06 GMT
I have to say it looks great like that Damien.
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Post by stellabagpuss on Jun 3, 2024 20:05:55 GMT
I have to say it looks great like that Damien. Just need a bit of Room Correction, but it's 90% there already. |
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Post by stellabagpuss on Jun 5, 2024 6:47:03 GMT
Well minor update.... l am going to try one final roll of the dice with the Indigo's woofers,they not far away,so l am going to try a better quality bypass cap, a Clarity Pure Cap,l'm also considering dropping the crossover over frequency, its currently at 220hz,and perhaps why l have a preference to my Tannoy VS10BP at the moment, as they cross around 110hz.. Well it keeps me busy....
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Post by MartinT on Jun 5, 2024 8:26:46 GMT
its currently at 220hz,and perhaps why l have a preference to my Tannoy VS10BP at the moment, as they cross around 110hz.. If the Indigos only go down to around 60Hz, they'll be performing over less than an octave. |
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Post by stellabagpuss on Jun 5, 2024 10:45:25 GMT
its currently at 220hz,and perhaps why l have a preference to my Tannoy VS10BP at the moment, as they cross around 110hz.. If the Indigos only go down to around 60Hz, they'll be performing over less than an octave. I can't obtain any definite specs,although they claimed in a review to reach down to 36hz. lt will keep me busy anyway Martin |
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Post by stellabagpuss on Jun 9, 2024 14:14:33 GMT
Well l scratched the itch... And definitely time to retire the lndigo woofers. So today l been focusing on Bass Isolation, for this l connected with my mate Vic, l know he reads TAS "Hi Vic!". Vic has been playing with speaker designs for years, and has a superb OB set up for is 18" Dayton Ultimax subs. Of course like us all,Vic has learnt with the trials and errors that running subs bring. I wanted to reduce transmission from my subs to the floor, l had already improved this with soft silicone pads, and patio slab. Vic suggested l try some packing foam that's used in suitcases guitarcases etc. l went for 2" in depth. And as can be seen in the photo, place underneath the sub and my MA Studios.  Vic lsolation Reduction by Damien Read, on Flickr End result...Big improvement big reduction in transmission. l can highly recommend this app for testing vibration. hamm-seismograph.en.aptoide.com/appWhile l didn't totally stop transmission, l reduce the most sensitive setting to a very small measurement... Which if you use this app,is a excellent result. So all in all... very positive outcome. |
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Post by John on Jun 9, 2024 15:00:58 GMT
Good result and I am glad Vic suggestion paid off
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Post by mattspl on Jun 9, 2024 16:47:18 GMT
Great job Damien. Has it tightened up the bass too?
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Post by stellabagpuss on Jun 9, 2024 17:01:39 GMT
Great job Damien. Has it tightened up the bass too? Yes it tightened things up nicely Matt, l think l may be able to improve further. |
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Post by MartinT on Jun 9, 2024 18:33:24 GMT
My speakers would have had that foam sheet so crushed it would achieve chain reaction!
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Post by stellabagpuss on Jun 9, 2024 19:08:36 GMT
My speakers would have had that foam sheet so crushed it would achieve chain reaction! 🤣 What do they weigh? |
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Post by mattspl on Jun 9, 2024 19:27:25 GMT
Are you going to have a go at upgrading the crossovers on the Tannoys with better caps?
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Post by MartinT on Jun 9, 2024 19:32:16 GMT
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Post by stellabagpuss on Jun 9, 2024 19:50:26 GMT
Wow... That's heavy, its sat on about 50 to 60 kg. You can get high density foam, they pack the motorcycles we get delivered with it, its about 4" deep, still l don't have 160kg to worry about, l'm planning to add an additional platform with mdf and add some Dodomat to it. |
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