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Joseph Crowe

Sigma Speaker System No.3320

Sigma Speaker System No.3320

$60,000.00 USD
$60,000.00 USD
Sale Sold out
Shipping calculated at checkout.

Introduction 

Speaker System No. 3020 represents my latest achievement in the large scale horn speaker category. The system provides the feeling of being at the live event without compromising overall smoothness and clarity. 

We have a special arrangement with our commercial shipping courier which allows us to offer deep shipping discounts. Please contact for a shipping quote to your specific address. 

Please contact for a quote with lead time. 
joseph_crowe@josephcrowe.com or call 613-920-5934
Electronics shown in photos 
Amplifier No.2320 (Product page coming soon)

Sound Characteristics 
  • Excellent coherency throughout frequency range
  • Palpable mid-bass and midrange 
  • Convincing realism for live recordings
System Configuration
  • Dual 18" bass cabinet (uses Beyma 18LX60V2)
  • 33Hz bass response 
  • 101dB sensitivity (anechoic)
  • 280Hz & 2.2kHz crossover points
  • Large format midrange horn 
  • Dual 5" Paper cone midrange compression drivers (Modified in-house, open-back)
  • 800Hz Biradial with custom 1" compression driver (open-back)

Custom Decal Options

Options:

  • Hand signed by Troy J. Crowe
  • Additional text "Custom Made For (Your Name Here)" 
  • Brushed Copper or Nickle finish 

Example Image 

Dimensional drawing click HERE. 


Bass Section 
  • Dual Beyma 18LX60V2 18" woofer
  • 24mm thick baltic birch plywood construction, walnut veneer 
  • Bass extension to 33Hz (F3)
  • 101dB sensitivity @2.83V (anechoic)
  • Rear terminal plate (brushed nickel, laser engraved) 
  • Plywood Commercial shipping crate with 1” protective foam on all sides

Midrange Section 

  • Custom Dual 2" compression driver ES-280 Biradial 

High Frequency Section 

  • Custom single 1" compression driver ES-800 Biradial 

Passive Crossover 

  • Developed using extensive listening and testing 
  • Mounted inside the bass cabinet 
  • Physically separated between low, mid, and high frequency sections (ie low pass filter for bass drivers resides in bottom of bass cabinet, midrange filter resides in upper portion of bass cabinet)
  • Mundorf EVO oil capacitors 
  • OFC silver coated wire, PTFE jacket wire
  • Air core inductors 
  • Point to point wiring (no circuit boards used) 

 

Packing List 
Weight & dimensions are as follows:

Crate 1 44” x 48” x 28” contains x1 single loudspeaker mounted in cabinet 225lbs
Crate 2 44” x 48” x 28” (Same as above) 
Crate 3 36” x 32” x 48” contains x2 solid hardwood horns 180lbs 

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