Search results for query: *

  1. A

    Maximum capacity of soundset in party tents

    Roel, Adding two more subs to the four you have will add about +3.5dB level. Doubling amount of subs would add 6dB, the equivalent change of being as loud in the back of the tent as it is halfway back with four. If you were using the 20% larger KS118, 18" subs, they would reach about 3Hz lower...
  2. A

    Maximum capacity of soundset in party tents

    Roelof, If your QSC KW122 are raised above head level, they are capable of over 90dB SPL at 30 meters. Your four dual 12 subs can get louder than that. That's loud enough for a party atmosphere, and is around the permissible NIOSH SPL limit of 90 dB for 151 minutes. Halfway back in the tent...
  3. A

    New DIY Mid High (90deg) - AKA PM90

    Pocket hole jigs and screws can be used for those types of shallow angle joints. https://www.kregtool.com/shop/pocket-hole-joinery/pocket-hole-jigs/ Pneumatic staples or nails can also be used.
  4. A

    Double 10 and Horn

    The difference is in the vertical pattern in the crossover range. Horn loaded response will add a little gain in the below the crossover range, but require more EQ to even the peaks and dips out. For small gigs, getting the horn above head level gives the advantage to TMM. Haven't checked past...
  5. A

    Quick Reverb Twin Question

    A flickering tube is generally bad, or has intermittent connections. The Sovteks should glow blue. If you swapped the flickering tube (good idea to # & date the tubes) to another position and it flickered there, and no other tubes flicker, replace it. You probably should check the bias on your...
  6. A

    Midas Pro 2 Motherboard Replacement after Flood

    Might be corrosion in or on connections or PCBs.
  7. A

    new centre speaker - advice

    Anna, A good option to avoid the off-axis comb filtering (peaks and dips, lobes) problems of multiple horizontal speakers is a single coax driver. The 4" B&C 4CXN36 coax would fit in your height requirements, in around a 2 liter sealed box response from ~95Hz-18kHz. B&C makes the FBCXN36...
  8. A

    60 Degree DIY Mid Hi - AKA PM60

    I have not heard either, but the PM60 has a more efficient folded horn design, and a uses a co-axial mid/high compared to the T24's short conical front loaded 2x12" horn and 3" diaphragm HF driver, so it should achieve a higher SPL and sound cleaner than the T24. The T24 from it's Fb at 73Hz to...
  9. A

    Paraflex Mid High

    Yes, the rear speaker's sound is affected by whatever is put in front of it, often detrimentally. The effects depend on the size, shape and reflectivity of what is in front. As mentioned, without proper polar response measurements the effects can't be determined. There are many examples (EAW...
  10. A

    New B&C dual 15" design

    The largest horn RCF makes is the HF950, 300 mm / 11.81 inches wide, like Peter said, a suitable size to match a 12" driver. The Limmerhorn 250m is 390mm wide (15.34") close to 15". How about that :sleep:?
  11. A

    New B&C dual 15" design

    The Limmerhorn 292 is 18" (470mm) wide, Peter was looking for a 15" (381mm) wide horn. The 292 is about halfway between the B&CME464's 22.6" (575mm) width and 15"...
  12. A

    Tips for a beginner

    Jack, Learning the circle of fifths would be a good introduction to music theory. For most, it is easier to grasp music theory concepts on a keyboard instrument. https://en.wikipedia.org/wiki/Circle_of_fifths You Tube videos can introduce you to music theory and production at almost any level...
  13. A

    QSC touchmix 16 no longer recording - help

    If you are using the FAT 32 format, might be running into it's limitations-FAT32 only supports individual files up to 4GB in size and volumes up to 2TB in size.
  14. A

    B&C DCX464 vs DCX 354

    DSP settings for the DCX 464 (or any other driver) depend on the horn used. Few horns will support 300Hz, crossing above 500Hz opens up a large variety. The mid section broadly peaks around 1.8kHz, the HF has fairly sharp dip between 5 and 6kHz. As Uwe mentioned, the DCX 464 has a wide overlap...
  15. A

    Crown Itech (original) troubleshooting?

    Since the moderators removed the post written in French complaining he couldn't get his old amps serviced by Harmon, looks like I revived the zombie.
  16. A

    Crown Itech (original) troubleshooting?

    Since Samsung absorbed Harman in 2016/17 and laid off most of the Crown employees, closed the Elkhart plant, moved production to Mexico, things changed. Lab Gruppen was acquired by Music Group in 2015, their service is difficult at best. Since it is cheaper to replace old USA products with new...
  17. A

    DIY a 40-20hz sub?

    Josh Ricci's Gjallerhorn gets down to below 20Hz, big, complicated build: https://www.diyaudio.com/community/threads/gjallerhorn.189784/ His Skhorn is a 24x32x54" cab with dual opposed 18 or 21" pro drivers. All vents open 30Hz tune, 2 vents open 25Hz tune, 1 vent open 17Hz Fb. Huge thread...
  18. A

    Step-Down Mode on EV TL15-2

    The TL-15 is already over -8dB at it's tuning frequency (Fb) of 40Hz. Covering ports to drop the tuning to 28Hz will drop the response about another -6dB , requiring four times the power to compensate. If you are using the cabinets for anything other than a home stereo, the additional boost...
  19. A

    B&C DCX464 vs DCX 354

    The 18 Sound XR1496C 90x60 has a smoother throat, looks like it would fit, has decent polars, though may not be as sensitive being wider vertical dispersion. The B&C ME90 80°x60° is similar.
  20. A

    B&C DCX464 vs DCX 354

    The JBL VS3215-9 mid horizontal dispersion falls to around 60 degrees above 1kHz, it's on axis sensitivity probably near equal to the HF horn driver. JBL specs the crossover points at 300-and 1.3kHz. A 3" driver has about 4-5dB less output than a 4" as used in the stock VS3215-9 . Since you...