Guitar cab prototyping - part 6! Why our AVD cabs uniquely have a low cut filter switch.

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  • เผยแพร่เมื่อ 7 ก.ย. 2024

ความคิดเห็น • 22

  • @3DeadDucks
    @3DeadDucks 2 ปีที่แล้ว +4

    Having two jacks means you could connect your speaker cable to both when transporting so second connector doesn't jump around. And there's also nice room for some extra rolled up cables if needed. They stick nice between two sides and don't easily fall off even without cover.

    • @3DeadDucks
      @3DeadDucks 2 ปีที่แล้ว +1

      Oh, Alex just told it at the end. xD

  • @PooNinja
    @PooNinja 2 ปีที่แล้ว +3

    Clutter cutter switch, I love the speakon combo jacks… they should be the standard. So much better than the typical phono sockets, bi amp possibilities, solid locking connections and they just look nice.

  • @jcwear89
    @jcwear89 2 ปีที่แล้ว +2

    Love these videos, really fascinating

  • @tonekilltech
    @tonekilltech 2 ปีที่แล้ว +2

    Great vid! You should do a 1x15 with a Celestion Fullback. I have one in an open back cab that has an incredibly full greenback sound, almost like a 4x12 closed back cab.

    • @BarefacedAudio
      @BarefacedAudio  2 ปีที่แล้ว +1

      We'll have a look into this - I wonder if one will fit in a Radical with a different baffle and internals.

  • @egoncorneliscallery9535
    @egoncorneliscallery9535 ปีที่แล้ว +1

    I like the low cut option. One thing that always stand out w speakers is that they have a low resonance peak, some around 60 some around 80hz. Second harmonics often cause issues (120-180hz) in cabs so i usually filter them out w a para EQ. That low cut might solve that..nice

  • @marcusdavey9747
    @marcusdavey9747 2 ปีที่แล้ว +1

    So, it’s a cabinet with non-parallel walls and a slot port, plus horn-loading (or at least flaring) for dispersion of the back wave at mid/high frequencies? If people are using the low-cut filter, they should probably just move the cab away from the wall a bit.

  • @RobustWorks
    @RobustWorks 2 ปีที่แล้ว +1

    Fascinating tech! But forgive me, we are also told never to operate tube amps without a load. Does this mean you have to switch off the amp between flipping the switch (engaging/disengaging the filter)? It may only be a momentary break (open circuit) between one toggle switch position and the next but it is a break. I mean, doesn't it risk damaging the output transformer if you flick the switch while the amp is running hot? It would be interesting to see how you arrived at a 100Hz cutoff as well, is this the same across all your cab designs or can you tailor this to the individual player?

    • @tobins6800
      @tobins6800 2 ปีที่แล้ว

      Amps are only sending power to the speaker (s) when making noise. When making changes other dialing knobs, ensure no noise will be made. And for the sake of precaution,, preparing ahead of time, ve quick about it. Per my understanding, and I could very well be wrong, melting down the transformer isn't instantaneous. If nothing g else, just switch it to standby.

    • @BarefacedAudio
      @BarefacedAudio  2 ปีที่แล้ว

      I guess if you're playing very loudly and flick the switch in the middle of this loud note then your amp might not like it but I can't see any issues in a more normal situation. If there's minimal sound coming from the amp then I can't see it caring if there's an open circuit for a fraction of a second. Regarding the "100Hz cut-off" I wouldn't look at it like that - the response rolls off somewhere in that region, similar to where larger closed back guitar cabs roll off.

    • @RobustWorks
      @RobustWorks 2 ปีที่แล้ว

      Thank you both... it's very interesting. I guess you might play with different values of cap in the low cut filter depending on the style of playing you're into. Is there a massive difference between the cap for the jazz chime and the heavy chug of metal? Still, would be leery of switching the filter in or out while the amp is operational, but with no signal, and adequate protection (flyback diodes) in the power section, I guess it would be okay.
      On the other hand, what you seem to be suggesting @Barefaced Audio, is that the filter really only shapes the frequency response of the cab; with the filter engaged it's more like a closed back cab and with the filter disengaged, it's more like an open backed cab. Is that right? I guess under those circumstances, the style of the player is more a product of the amp's EQ and the players themselves.

  • @danz4904
    @danz4904 ปีที่แล้ว +1

    I assume the low-cut raises the Impedance at low frequencies. Does this cause an issue with valve/tube amps?

    • @BarefacedAudio
      @BarefacedAudio  ปีที่แล้ว

      It reduces current flow at low frequencies which sometimes actually cleans up the amp (I presume this depends on the power supply and how much current capacity it has). I wouldn't recommend running a low frequency sine wave through a valve amp into a cab with the low-cut switch activated (why would anyone do that?) but everything else should be fine!

    • @danz4904
      @danz4904 ปีที่แล้ว +1

      @@BarefacedAudio Thanks for rhe prompt reply. Do you have a distributor or selling agent in the United States?

    • @BarefacedAudio
      @BarefacedAudio  ปีที่แล้ว

      @@danz4904 we just sell direct to customers everywhere - we send cabs to the USA every week. Our consultative approach (email us for help!) and having so many different models, options and customisations means that this makes more sense (even before custom tolex and grill cloth we have about 1000 different variants!)

  • @vitbenes7347
    @vitbenes7347 ปีที่แล้ว +1

    Hello, Is it possible that the low cut filter can cause some problems with cranked tube amp? I was playing some loud droning intervals in lower register of the guitar and with the switch ON I got some nasty crackles. These noises were repeating rhythmically following the beating of the interval. With the switch OFF it is not happening. With other speakers it is not happening. Please could you share some info about this?

    • @BarefacedAudio
      @BarefacedAudio  ปีที่แล้ว

      That might be possible if you’re putting lots of power into the lowest registers - but I’m not sure why you’d be putting in sounds like that and then choosing to cut the lows using the switch?

    • @vitbenes7347
      @vitbenes7347 ปีที่แล้ว +1

      @@BarefacedAudio thanks for reply. Well I play many different sounds In one set and I don't want to change settings of cabinet, that is why. Anyways thats not the point, thanks for the info. I am happy that the speaker is not damaged.

    • @BarefacedAudio
      @BarefacedAudio  ปีที่แล้ว +1

      It’s an interesting one - I assume it’s an electrical resonance between the output transformer and the filter. Not heard of it happening to anyone else but tube amps are pretty weird things and there’s a lot of reactive electrical stuff going on once paired with a speaker.

  • @adaptercrash
    @adaptercrash 2 ปีที่แล้ว

    Oh yeah alnico cream x blackbird, they just don't want to pay for it.

  • @randyschock7374
    @randyschock7374 2 ปีที่แล้ว +1

    It's the Elon musk of guitar cabs.