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Mottlefeeder

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Everything posted by Mottlefeeder

  1. Mottlefeeder
    I tried an experiment using the speaker box calculator WinISD - checking the responses of a 4-pole filter and 2 * 2-pole filters, all supposedly Butterworth. The 2 * 2-pole filter had a much gentler knee than the other, so that may have been part of what you heard. David
  2. Mottlefeeder
    If the Peerless does not model well, you might consider the Faital Pro 5FE120 - 5" 80W Loudspeaker from Blue Aran - £23.44 +p&p It's available as a 4 ohm as well as an 8 ohm. I use a pair of them, driven by a stereo class D amp and they sound pretty good. David
  3. Mottlefeeder
    The attached PDF is a 2018 copy of FDeck's 12dB +12dB HPF design notes, and a tested and proven guitar-fx stripboard layout. Note, the user opted for a TL074 with a 9v supply, but it is not recommended for use at less than 10v David downloadfile.PDF
  4. Mottlefeeder
    Interesting - Small amp and efficient speaker. I went for small speakers and a bigger amp, and my rig looks a lot heavier than yours. Is that EQ a tilt control or a mid boost/cut control? David
  5. Mottlefeeder
    Often a crackle can be traced to something as simple as dirty contacts on a socket, to my first action would be a plug into each signal socket in turn and see if the noise persists or disappears. For the effects loop, take a guitar lead and link the Fx send to the Fx return. Next, you could try splitting the circuit into blocks and checking each block. Try feeding the signal from the Fx send to a mixer or another amplifier and see if that crackles. Next, take a signal from another source into the Fx return, and see if that crackles. That's probably as far as I would advise you to go unless you are knowledgeable enough to take the amp out of the combo and work on it without electrocuting yourself. David
  6. Mottlefeeder
    Pretty much what I thought - for the same money or less, you can have a well known brand with no resale problems, or an unknown with the problems that might bring. David
  7. Mottlefeeder
    Why would anyone bring an expensive, unknown brand into the UK and hope to make a profit from it? David
  8. Mottlefeeder
    You said it weighs like a boat anchor - that isn't going to change much by taking some material off the back, and you then run the risk of it being neck heavy. Before you put more effort into it, ask yourself, are you going to play this regularly, because you like it, or occasionally, out of guilt, because you put lots of money/effort into it? If your only motivation is 'I've started so I must finish' then you are basically making an ornament. Advertise it and let it go. David
  9. Mottlefeeder
    That is my take too. I build electronic gadgets, park the ones that didn't work, and use the ones that work until making a Mk 2 is required. Park your project for several months. If you still don't feel inclined to fix it, or don't feel you have the skills to fix it, or don't feel inclined to pay to have it fixed, strip it for parts and reuse/dispose of them. David
  10. Mottlefeeder
    PM'd re Zoom B1-4
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  15. Mottlefeeder
    Jim bought a pedal from me. Paid my price, transferred the money speedily and confirmed receipt of the item. Would happily buy from / sell to Jim again. David
  16. Mottlefeeder
    A cab with ports will perform better if it is not also leaking air from the joints, so what you may have is a sealant around the speaker, or just a speaker chassis that is a tight fit in the rebated cavity. It is unlikely to be glued in place because in addition to the eight screws, it would serve no useful purpose and would make servicing more difficult. Your repair tech may be able to confirm that. If you have confirmed that it is faulty, you have nothing to lose by taking the screws out and hitting the rear of the chassis (or the magnet) with a mallet to break the seal. David
  17. Mottlefeeder
    This is a 4 channel (two mono mic/line in and two stereo line in) compact Mackie mixer. It is 'built like a tank' and has Onyx microphone preamps. Each mic/line input has switchable HPF, switchable Hi-Z impedance for instruments, treble and bass controls, gain and volume controls and clipping indicators. The phantom power switch powers both mic sockets. There are no pan controls - the two channels are either hard left and hard right, or switched to mono.
  18. Mottlefeeder
    Sold.
  19. Mottlefeeder
    Won in a raffle, but not my kind of sound so I'm moving it on. £20 including postage to mainland UK. Five controls - Distortion / Output level / Bass / Treble / Voice (more trebly or more bassy) Condition - very good, Velcro'd, but original feet are still there too. Comes with a fresh battery, but no power supply and no instructions. Compatible with standard 9v pedal power supplies. Well designed case using only one screw to access the battery Will be shipped in bubble-wrap and boxed, 2nd class post. Any questions, please ask David
  20. Mottlefeeder
    Yes, you've got it. However, the bootlace / red line will not be straight due to the weight of the bass - it will form a shallow inverted V with the strap fixing at the point. David
  21. Mottlefeeder
    I use A, but keep the cable ties separate from the cables when playing. When I pack up, I know how many cables to collect by the number of cable ties that I have. David
  22. Mottlefeeder
    Yes I have used it on both a neck heavy 5-string Corvette with a light-weight swamp ash body, and on a 5-string Hohner headless, to move the fretboard two frets to the right so that it sits like a horned bass. The only down side I found was that the bootlace makes an uside down V. But with a dark bootlace and a dark strap, that is not noticable. I have seen advertisments for a commercial product that uses a rigid bar instead of a bootlace, and that gave me the idea. David
  23. Mottlefeeder
    Depending on how severe the neck dive is, your cheapest non-permanent fix might be to tie a black boot lace to the bridge end of the strap, and tie the boot lace ends to the existing strap buttons, so the strap end is behind the bass. It has the same effect as making the horn longer, and is quite discreet. David
  24. Mottlefeeder
    Market demand? 4R is mainly for cars, 8R is mainly for HiFi etc. or something along those lines. And as for 4R neo 5" or 6" - I have not found any yet. David
  25. Mottlefeeder
    My experience is that 4-plugs won't fit 2-sockets unless they are speakon/jack combo sockets, but 2-plugs will fit 4-sockets. Most budget scrapped speakers that I have dismantled had 4-sockets with terminals 1+ & 2+ connected together and likewise for 1- & 2- . David
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