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Everything posted by stevie
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Yes, with Winisd or any similar program.
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That's very generous of you @rubis. I eventually decided to order a roll - so I'm now well stocked. I didn't appreciate just how big a roll is, but hey, it'll come in handy. 😁
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What's the best class D bass amp head you've used?
stevie replied to thebassist's topic in Amps and Cabs
Lightweight amps I've had are the Ashdown Mibass 500, the Markbass LMIII and the Aguilar TH500. I've ended up with the Ashdown RM500. It's got the most sensibly specified eq and does the 'slam' thing that not all lightweight amps do well. -
@Lespaul1 Where did you get your LaVoce from? Do they have a UK distributor now?
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I'll jump in and say that's a very good explanation.
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The Bergantino CN212 contains two drivers rated by the manufacturer at 300W AES. I know because I've seen what they use. Bergantino rate their speaker at 700W. Why?
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The dispersion angle of a 12" driver is about 90-degrees. So you're not going to increase the dispersion below that frequency using a 90-degree horn. In fact, you'll limit it to 90-degrees down to 700Hz. At least in theory. The horn on that speaker doesn't look big enough to maintain its dispersion down to 700Hz.
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It's sad that the average bassist can't evaluate cabinets by comparing their manufacturer's specs. It should be possible, but it isn't. That's because the manufacturers don't provide specs in a usable format. There are standards for power handling, but hardly anyone quotes them. It makes more business sense to exaggerate. So when Barefaced say their cab is 600W rms or 800W rms depending on which way the wind's blowing, how does that compare with the 600W cabs from, say, Vanderkley? Well, Vanderkley's power ratings are to AES spec, which may not be perfect for our purposes, but at least it's a standard. So I can compare the (thermal) power handling of a Vanderkley cab with any other cab that uses the AES standard. Which is how it should be. Another example of a manufacturer who has tried hard to provide meaningful specs is Mesa Boogie. Although they don't actually say so, Mesa also use the AES spec for power handling. And although they don't provide frequency response curves, their low frequency extension figures are informative. In the PA world, most good vendors supply detailed specifications about their products which, by and large, are accurate and useful. That's because an important section of their target market are professionals who know whether the manufacturer is telling the truth. So the manufacturers, on the whole, don't lie because doing so harms their reputation. This is why Behringer, for example, has such a poor reputation in the professional sound reinforcement world. So, to get back to the OP's question. Why would a supposedly 500W driver morph into a 600W driver when you put it into a cabinet and into an 800W driver when you add a tweeter? Fair question. To find out, you need to ask another question: what standard are they applying to their specs? If they (or anyone else) don't quote a recognised standard or specify their measurement process, their figures are meaningless, i.e. they're making it up.
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@rubis - would you like to sell me some of the felt underlay you have left? I can't source it locally and the cost of a roll from the mail-order suppliers is a bit steep just for an experiment.
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The Big Fat South-West Bass Bash - Now Sunday 19th September 2021
stevie replied to scrumpymike's topic in Events
For anyone wondering whether they should bother, I'd just say that this is a very friendly and good-humoured get-together, extremely well organised, with a wide range of interesting gear on show, and some fabulous, home-cooked food. Don't hesitate! -
In principle, yes, that's right. I used to stick my head in the box and say 'testing, testing'. Even though I use more scientific methods nowadays, I still do it. If it sounds hollow, add more damping until it sounds dead.
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Best practice for internal speaker damping is not to overdo it, especially with a ported system (which I assume this is). You're right to keep the damping well away from the slot ports. So try what you have and then carry out a before-and-after listening test, paying particular attention to the lower bass. If you find that the damping is removing too much of the very bottom end (quite likely if you cover all the walls with foam), take some out, or use a thinner material like BAF wadding (pillow or duvet stuffing). My go-to material is now felt - so I imagine that felt carpet underlay would work well. I've wanted to try it myself for a while but I've never found anyone willing to sell me a couple of square metres.
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Stevie’s 12” FRFR Cab Build Thread (Basschat Cab v3)
stevie replied to funkle's topic in Amps and Cabs
Ooh - this is going to look good. -
What problems? Looked like a great cab to me.
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Stevie’s 12” FRFR Cab Build Thread (Basschat Cab v3)
stevie replied to funkle's topic in Amps and Cabs
That big roll of Marshall covering and two big tins of Evostik make more sense now.🙂 I'm really looking forward to seeing this tolex-covered version. -
Stevie’s 12” FRFR Cab Build Thread (Basschat Cab v3)
stevie replied to funkle's topic in Amps and Cabs
Yes, excellent work Jonannes. The grille material is a great choice for the natural wood finish – it's fencing panel if I'm not mistaken. To make a picture-frame grille, use some pine batten - width between 9 and 11mm and depth 18-21mm. As far as positioning the cab is concerned, it's been designed to be flat response on the ground. If you raise it up, like in your photo, you'll lose some bottom end, which you could also interpret as having too much top end. Don't worry about not being able to hear yourself. The horn directs the mids and highs that get lost in traditional cabs towards the player's ears. The other benefit of having a proper compression driver/CD horn crossing low down is that the mids and highs that are a vital part of the sound of the bass reach the audience properly. In traditional bass cabs, these frequencies get lost the further back you go. Which leads to the muffled, indistinct bass tone we've all heard a thousand times. -
Stevie’s 12” FRFR Cab Build Thread (Basschat Cab v3)
stevie replied to funkle's topic in Amps and Cabs
For builders who haven't got round to fitting the grille yet, and others who are cutting their own wood, the four corner standoffs are triangular in shape, made from 21 (or 20mm) x 30mm softwood batten. The height is 21mm and the outside dimensions of the triangles are 30mm x 30mm. You simply glue them into the corners and paint them the same colour as the baffle. You can also cut two rectangular pieces 30mm x 12mm from the batten and glue them to the sides of the cab. Once you've painted them, stick some of the thin foam strip onto them that you used under the handle. Builders who had kits from the last batch received these parts along with the 4.8mm x 19mm flange-headed screws and M4 neoprene washers. At a guess, a full picture-frame batten in 20mm softwood weighs close to half a kg. So using the standoffs not only saves time but it also gives you a useful weight saving. -
Stevie’s 12” FRFR Cab Build Thread (Basschat Cab v3)
stevie replied to funkle's topic in Amps and Cabs
For anyone considering it, the aluminium grille has turned out well. It uses six standoffs in place of the picture-frame batten. Nice work. -
Searching for 12inch 4ohm or 16ohm drivers
stevie replied to Bloc Riff Nut's topic in Repairs and Technical
Lean Business have some 4-ohm Celestion BL12-200Xs on offer at the moment for £25. It's a very good driver that normally retails at £70. However, they do work best in a ported cab. -
Mr Pink - My Level 42 tribute band. Promo video.
stevie replied to doc40hz's topic in General Discussion
I'm a fan of Level 42 and loved this. In fact, I much preferred your vocals to Mark King's. With a showreel like that, you're going to be really busy. -
It looks like they're using Sica, Frank. The person on the Talkbass thread claims they are custom designs.
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Lots of good, practical advice here. It might be an idea to use the Basschat for sale sections to take a punt on some used gear that you fancy. Try it for a while, maybe sell it on at a small loss later and try something else. I think a lot of people, including me, have gone that route to find out what they need and what sounds good to them. It used to be that you could go to your local music shop to try out a good range of gear, but those shops are a bit few and far between nowadays.
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It's not about cars though. Whatever you think of Italian cars, the Italian PA speaker industry is world-leading. This isn't the first time that carbon fibre has been used for speaker cabinets, but the cost isn't usually worth it for most people. I can see some people going for it - cost being relative and all that. I certainly like the look of their heads.
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It was 1x12s mainly, with the odd 1x15 and 2x12 thrown in. To emphasise your point, @Lozz196, one of the contestants was a cheap 12+ horn PA cab from Maplin, which cost about £120 and did surprisingly well compared with the rest of the field, which included boxes up to about £1,000. I expect a search for the Essex Bass Bash will bring up the results.
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Good idea. There are lots of players gigging with a single 12 (including me) who find that it's plenty loud enough for anything. That doesn't necessarily mean it'll work for you.