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paulbuzz

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About paulbuzz

  • Birthday 01/12/1964

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  1. paulbuzz

    Bass ports and monitors

    Extremely interesting! Thanks for pointing that out!
  2. paulbuzz

    Resistance reducing device

    These exist (as an alternative to resistor-based dummy loads) : https://www.tedweber.com/gadgets/attenuators/speaker-motor-models As Bill and Bass Bunny said though, this doesn't come any closer to acheiving what the OP was asking.
  3. paulbuzz

    Resistance reducing device

    Fair point! I was just trying to envisage a setup that came as close as possible to fulfilling the OP's original scenario. Not that I'm proposing to create a driver with switchable alternative voice coils!
  4. paulbuzz

    Resistance reducing device

    The short answer is an emphatic "no". Slightly longer answer: The device you're imagining does exist. It's generally referred to as a "dummy load", and is essentially a big chunky resistor. Attached in parallel with the existing speaker, it will reduce the impedance seen by the amplifier's output, and thereby cause the amp to produce its full rated output power, as you suggest. However, this won't produce your desired result (more volume from the speaker), as the additional output from the amp will simply be dissipated (as heat) by the dummy load itself. To get more volume from the existing speaker, you would need to reduce the impedance of the driver itself, which isn't feasible in any practical way.
  5. paulbuzz

    Tech 21 VT Bass DI

    Is this still for sale?
  6. paulbuzz

    Site Bugs - List them here

    Ok, not a bug, but a feature that's irritating me, and not sure where else to mention it: On any of the topic/post listings pages, the 'tag' graphics are unnecessarily prominent - their bright orange colour on pages that are otherwise largely monochrome makes them much more eye-catching than the topic titles. This seems kinda weird for what's really a relatively minor feature, no? I would prefer them to be a fairly inconspicuous grey colour, so I can read them if I want to, rather than having them burnt onto my retinas... Sorry to moan, I know you've got much bigger fish to fry...!
  7. Interesting! Another gold star for John at Orchid! I assume he incorporated one of the transformers that he uses in the isolator box that he sells as a separate item: http://www.orchid-electronics.co.uk/trans.htm
  8. paulbuzz

    Separating the artist from the art

    Loads of top-notch art throughout history has been made by individuals who were/are despicable people. If we start ignoring all the art made by unpleasant individuals, it's going to leave some pretty major gaps in the canon of many art forms. So in theory, I'm fully in favour of keeping the art separate from the artist. In practice, I agree that it's not that easy - in fact there are quite a few bands/musicians whose work I used to love that I now find it much harder to enjoy, after having become aware of their personal flaws. Difficult one, innit?
  9. The thing about DI boxes is that it depends on what you're trying to achieve: do you want to preserve the sound of your bass with maximum fidelity, or do you want to mess with it in some way that you hope to find subjectively pleasing? If you're trying to maintain fidelity, the answer is easy: you want an active DI box, because electronics that do this are cheap and reliable; nothing is really going to do this any better than the £35 Orchid DI box mentioned by various people above. If you want the sound to be altered in some way, then all bets are off, because who knows what changes you might deem acceptable or desirable? Any passive DI box, no matter how high quality, with a passive bass plugged directly into it, is going to alter the frequency response quite radically, because their input inpedance is always too low to match the bass's magnetic pickups properly. This doesn't apply with active basses, because the pickups are buffered by the electronics in the bass, so then you might well notice that the more expensive passive DIs have lower distortion and greater fidelity than cheaper ones. But then if high fidelity is what you're after, you should probably just get an active DI anyway. So at this point, it's really all going to be a bit hit-and-miss which passive DI, cheap or expensive, will do things to the sound that you happen to like. In which case you might as well try out some cheap ones (as long as they're sufficiently well-constructed to not fall apart, which most seem to be...) since they're probably just as likely to make the particular sound you want as a more expensive one is...
  10. You want cheap? Here's cheap: [url="https://www.thomann.de/gb/millenium_die_dibox_passiv.htm"]https://www.thomann.de/gb/millenium_die_dibox_passiv.htm[/url] Give it a try - what's to lose? It might be perfect for your needs! Why do you particularly want a passive one? My own choice would be another vote for the Orchid Electronics ones recommended by sk8, but they are active, as you noted.
  11. Hmm, a late surge in popularity for the 'leave it alone' option! It's great to get these differing opinions to weigh up!
  12. Ah, interesting to have an alternative viewpoint Ghost, thanks for that! Didn't know that the original Promethean had a traditional driver while its extension cab had a neo - that seems quite strange! It's okay man, we're among friends here, we can use the 'h' word! Pretty certain from the manufacturer's part number that the driver in my H-B is the Elder Audio / Beta Three one...
  13. Hi Balcro That's all extremely useful info - thanks very much indeed for your help with this! I'm leaning towards getting the Celestion driver - if this happens I'll let you know how the results pan out! Thanks again, Paul
  14. Having now had another look at WinISD using the correct cab dimensions , the existing tuning of the cab seems a bit more sensible and less lumpy...? It also seems to emphasise the differences between the response curves of the Deltalite 2510 and the Celestion NTR10-2520D - the Deltalite seems to be a bit louder from ~110Hz to ~200Hz, while the Celestion seems to be a bit louder from ~110 Hz down to ~70Hz ...? This tends to make me think the Celestion might be the better bet - would you agree?
  15. Hi Balcro The dimensions on the diagram are my own measurements, so I have to admit an error: the port height, marked as 37mm, is in fact 25mm. The other figures on the diagram are correct. Updated diagram attached! [attachment=256627:hb-cab.jpg] The dimensions in my original post were copied from a post on TalkBass - I have now realised that that post referred to the original Ibanez Promethean combo, which is very closely related to my HB/RedSub/Beta-Aivin combo but does have different cabinet dimensions. Apologies for my stupidity! Paul
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