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stevie

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Everything posted by stevie

  1. stevie
    I just checked - and I don't seem to have it. The problem is that I kept developing the cab (it was a diary-style thread) and didn't keep all the details of each stage of development. John who is Chienmortbb built one and he may have kept the circuit diagram. I've asked him. Otherwise, the Wayback Machine might help..... Sorry!
  2. stevie
    Yes, I published the crossover details for the Beyma 12 with a P-Audio tweeter, but since then P. Audio decided to change the diaphragm from titanium to phenolic. I've no idea how much that changed the performance of the tweeter, but it certainly will be different (and very likely worse), which meants that the published crossover won't work properly with current versions of the tweeter. There is a neodymium version of that tweeter with a titanium diaphragm, which I duly purchased to test. Unfortunately, it was nothing like my original ferrite one (and also nothing like the published spec sheet). So I sent it back and gave up on tweeters. The next design mated the Beyma 12 with the P.Audio PH-170 horn and a Celestion CDX1-1445 compression driver. That's a high-performance, low cost combination. I published the crossover too, but it got lost due to Tiny Pic's shenanigans. If it's of any interest, I can repost it.
  3. stevie
    I can see (hear) why you wanted to change the driver. That's much better!
  4. stevie

    Barefaced Machinist

    stevie replied to Kev's topic in Effects

    To me, this is a 250-quid fuzz box - so I'm definitely not the target market. However, I can see the business logic behind the move and I'm sure Alex knows what his customers want. This is a tough time to launch a new music product and I wish him well with it.
  5. stevie
    All the photos I posted for the Diary Continued were removed when the previously free Tiny Pic hosting service decided to change its business model. I uploaded most of the later ones, particularly those showing how to assemble and finish the cab, but it was not always clear from the context which photos from the earlier part of the thread were missing. So I didn't bother with those. Then there was the fact that P. Audio changed the spec for the tweeter used in the first budget two-way design - I think that was the MKII - and there wasn't a lot of point in uploading those photos anyway. If there's any interest in a design for a budget 12" + horn tweeter, I can certainly do one, based on either the MkIII cab or the less complex but easier to build MkI. However, both of those cabs are perfectly usable with just a 12" driver on its own.
  6. stevie
    There you go. I actually nicked the idea of panel pins from Chienmort, although the self-drilling screws idea was my own. They sometimes work better than clamps. If you leave the panel pins in, just be careful if you're using a router to round off the cabinet edges.
  7. stevie
    Nice work! That Beyma driver is a classic and works well in that box. I agree about getting straight, square cuts - it's so important but not easy. If you're short of clamps, you can always use panel pins or self-drilling screws - remove and fill the the holes once the glue has dried.
  8. stevie
    The bass needs to be more forward. The whole thing sounds like it's in mono. Otherwise, it sounds pretty good to me. I'm no expert though.
  9. stevie
    I'd be very careful with this if I were you, @B.Flat. There's a very good chance that the lowpass circuit Bill has suggested will drop the impedance of your speaker to 2.5 ohms. Your Yamaha is 2-ohm stable - so you should be all right. However, you should be aware that the circuit will probably also induce a nasty peak at 2kHz, which won't be very nice. Just sayin'.
  10. stevie
    The cheaper cabs in this list, @stewblack (the first four) all have ceramic magnet drivers. Barefaced also use ceramic magnets. The more expensive ones are fitted with neo drivers, which is what you'd expect. Those Harley Bentons are ridiculously cheap. As a DIY'er, it would be difficult to build a poplar ply cab for those prices - never mind buying the drivers.
  11. stevie
    I can't imagine that there is a more friendly, better organised bass bash than this. I'll be there!
  12. stevie
    It looks like an interesting project. However, if you want to by bypass the passive crossover in the BC12 cab you'll need to be able to programme the crossover and DSP. I've no idea if that's possible. Simply bypassing the passive crossover with the Mackie one will not work properly and will definately sound worse (as Chienmortbb has already said). To adjust the active crossover, you'll have to time align the drivers by delaying the woofer. Then set the crossover (24dB L/R) to 2kHz and use the parametric function to equalise the response of the CD horn. If you're going to use the separate 50W amp for the HF, you'd need to adjust the sensitivity to compensate for the higher sensitivity of the HF driver. Even if you can do all this, chances are that the passive crossover will sound better anyway. So I'd agree that connecting a full range signal to the regular input on your cab is probably the best solution. Should be good.
  13. stevie
    Graham bought a cab from me and drove all the way from Kent to collect it. It was nice to have a chat about basses. Lovely chap and a delight to deal with.
  14. stevie
    Mark bought a cab from me. He was a delight to deal with and is a credit to Basschat.
  15. stevie
    Unmolested?
  16. stevie
    There's a lesson in there somewhere.
  17. stevie
    Now on hold for BaggyMan.
  18. stevie
    Agreed. I looked at the 15" cab and the porting is the first thing I noticed. I don't think you can manufacture for those prices without cutting corners. I would imagine that being outside a customs union would make returning a faulty product quite complicated.
  19. stevie
    My bathroom scales tell me 17kg, @Marky Screen. So it's thereabouts.
  20. stevie
    Cab and one driver gone. That was quick. One driver left.
  21. stevie
    I'll have to get my scales out. It's not Barefaced-light - more like Mark Bass weight. But I'll let you know.
  22. stevie
    These are nice drivers and that's a good deal.
  23. stevie
    This is very probably the best 15" bass guitar driver on the market at the moment. 500W continuous power handling, long coil, triple demodulating rings, very low distortion and a killer sound. It works in a relatively small cabinet right up to about 90 litres internal volume. This one's 4 ohms. Weighs only 3.5kg. https://www.lean-business.co.uk/eshop/bms-15n620-15”-500-watt-neodymium-low-midrange-speaker-3-vc-98-db-8-ohm-p-2572.html?zenid=s6s9v6eis558l9kflc7tjf4fe7 I've photographed it in the Eden cabinet that I've used with it, which is also for sale. It's a lightweight construction (but not as light as poplar), braced and damped, and has a compartment for a 6" midrange driver, which I'll blank off leaving you with the option of fitting a midrange driver if you want to. If you'd like to see some photos of the driver on its own, please ask. I'd like £100 for the BMS and £25 for the Eden cab. Carriage at cost.
  24. stevie
    I have two Eminence Kappalite drivers for sale. These are OEM models with no vendor’s name but the eagle-eyed amongst you will recognise them straight away. They have the same Eminence cone number as the Barefaced 12 driver (and the Mesa Boogie Subway 12 surprisingly). One has been used for testing and the other is unused. I have the T/S parameters if you’d like them. I’m happy to sell them individually. If you’d like me to install one of them in a cab, I still have the 12” cab used for the development of the Basschat 12” system. It’s lightweight, 15mm poplar ply, properly braced and damped and fitted with two Speakons, a quality handle and an Ashdown grille. £100 each for the drivers, please, and £50 for the cab (which just about covers the cost of the wood). Carriage at cost.
  25. stevie
    I have two Eminence Kappalite 3012LF drivers for sale. They have had a small amount of use but only for testing. These currently sell for £200 each new and are hardly ever seen on the used market. They're used in a number of high-end bass cabs, particularly the Fearful/Fearless range and cabs from Quilter and other boutique makers. I’d like £100 for each one, please. I’m happy to sell them individually, but only if there are two buyers. (As you know, drivers are easier to sell in pairs). Delivery at cost or collect if you like from Dorchester in Dorset. Here’s the manufacturer’s link: https://www.eminence.com/speakers/speaker-detail/?model=Kappalite_3012LF
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