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  1. Carl Klinkenborg

    [WTB] WTB - 2 PM-90 boxes (or complete speakers)

    I don't know where you are, but I have a full set of drivers for sale. (UK).
  2. Carl Klinkenborg

    Eighteensound 18LW2600

    It shouldn't sound desperately different. As a horn enclosure the usual qualities of high efficiency, no low bass (singly), peaky response, and poor transient decay will remain. You might even gain a tad more LF due to the lower Qts and higher EBP of the 2600! Vas is near-identical so rear...
  3. Carl Klinkenborg

    [FS] ___SOLD ___ MC² Audio Power amp (UK, EX39)

    1off MC² Audio E45 (Turbosound model) power amp in lightweight 2U plastic flight case (both used). Unused since service before lockdown. Normal rack rash, otherwise very tidy. Bank transfer or cash on collection. £925 shipped to mainland UK or £900 collected from Bideford EX39.
  4. Carl Klinkenborg

    [FS] Full set PM90 drivers and horns. (UK, EX39)

    For sale due to cancelled order; will not split; no offers, sorry: 4off B&C MB12N351 (New, boxed). 2off BMS 4594 (Used; low hours home use). 2off RCF HF950 horn (New). Bank transfer or cash on collection. £1400 shipped to mainland UK or £1350 collected from Bideford EX39.
  5. Carl Klinkenborg

    Loading Ramp Reccomendations

    A 'bumpy' ramp with a sheet of Hexaboard on it perhaps?
  6. Carl Klinkenborg

    Surround Sound Help

    You could almost certainly use the RCA outputs on the desk, or failing that, control room outputs - it depends on the desk and its features.
  7. Carl Klinkenborg

    Opinions on BOSE 802 Series II (2) PROFESSIONAL LOUDSPEAKER ??!!

    Amongst many professionals, 'BOSE' is considered an acronym for Buy Other Sound Equipment...
  8. Carl Klinkenborg

    Helmholz resonator contruction

    Blocking sound and absorbing sound are two very different animals. I think I would be correct in stating that you don't much care about the sound level within the enclosure, but what escapes it... Whilst absorbing sound makes the room/enclosure itself inherently 'dead', sound level is...
  9. Carl Klinkenborg

    New DIY Mid High (90deg) - AKA PM90

    I for one would not change a single thing. Peter Morris has done more development work on these than most of us would do in a lifetime of speaker building. I feel that you would be opening a Pandora's Box in changing anything based on anyone's unresearched opinion.
  10. Carl Klinkenborg

    Got a question

    Do you mean empty enclosures for domestic subs?
  11. Carl Klinkenborg

    Maximum capacity of soundset in party tents

    Oh, the times I have heard a man and his guitar at 'Deep Purple' sound levels... Less is often more, especially at weddings!
  12. Carl Klinkenborg

    Maximum capacity of soundset in party tents

    Slightly tongue-in-cheek, but it's far easier to run out of bass than to run out of mid/HF! It takes a lot of cone area and amplifier power to reproduce bass cleanly at volume in a large space or in open air. Move a Lot of Air - GENTLY!
  13. Carl Klinkenborg

    Maximum capacity of soundset in party tents

    Regardless of PA size, if one initially believes that 'X' number of subs are required (for anything larger than a pub-sized gig), 4X will be usually closer to reality! Amplifiers having twice the power rating of the subs is a wise move too... We've all probably heard PA systems run flat out...
  14. Carl Klinkenborg

    Do you Solder your SpeakOn Connectors?

    I prefer the screw connection, but the 8-pole is still solder-only, dammit!
  15. Carl Klinkenborg

    New DIY Mid High (90deg) - AKA PM90

    Yes - six amplifier channels required if the passive xover is not used.
  16. Carl Klinkenborg

    B&C DCX464 vs DCX 354

    Most large format compression drivers will play down to 1kHz. You do not need the lower frequency response capability (300Hz) of these coaxials as you already have this range covered by your midhorns.
  17. Carl Klinkenborg

    Circular Systems

    Which particular aspects of them, and for what reason? Further, is there one area of traditional systems that is your main focus of interest/improvement?
  18. Carl Klinkenborg

    Series or parallel connection

    Riley, I almost posted a very similar answer regarding this resistance seen by each series connected driver but bottled out at the last minute, as I remain unsure whether or not back EMF nullifies this problem. Your thoughts?
  19. Carl Klinkenborg

    Series or parallel connection

    Connecting in parallel will not result in complete silence if one driver fails! 16 ohm drivers are fairly rare beasts so this might ultimately drive your decision.
  20. Carl Klinkenborg

    Impossible sound installation? DIY project needs expert assistance

    It would be considerably simpler to employ electronic filtering before the amplifiers instead of using passive filters after them.