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Joseph Crowe

Speaker System No.2314 --- Wide Baffle BLH plan set -- Fostex FE106NS

Include Drivers (Fostex FE108NS) USA customers only
Regular price $80.00 USD
Regular price Sale price $80.00 USD
Sale Sold out

This DIY plan set includes detail drawings on how to construct this wide baffle back loaded horn speaker. By ordering you will automatically receive the files by email. 

This speaker has been designed by Troy J. Crowe using simulation software along with extensive testing and development. 

The plan uses the Fostex FE108NS which has been chosen for it's excellent sound quality compared to other similar drivers. 

Specification

  • Small to medium sized listening rooms 
  • Nearfield listening or within 2.5m listening distance 
  • Low power tube amplifiers (ie. 300B, 45 tube) 
  • Average listening level of 75dB (low to medium) 
  • Wide Baffle 
  • Back Loaded Horn 
  • Basic Construction 
  • 12mm thick baltic birch plywood 
  • Very high sensitivity at 92.5dB for 70Hz region (in-room)
  • Bass extension to 40Hz 
  • Cancellation dip as expected -12dB at 145Hz 

Included in Plans

  • PDF drawing package 
    • Assembly Drawing 
    • Detail drawing 
    • Nested cutting layout for sheet of plywood 

Assembly Drawing 

Detail Drawing

Nested Layout x2 sheets 762mm x 1524mm (30" x 60") per speaker

Comparison on Efficiency (calibrated for 1WPC) for various speakers:

  • Markaudio CHR120 in 1cu. ft. bass reflex cabinet --- 75.5dB 
  • Signet SL16 2-way Stand Mount with SEAS 6.5" woofer --- 76.0dB 
  • Fostex FF165WK in transmission line enclosure --- 90.0dB 
  • Speaker No.1630 with dual 5" Scanspeak 4ohm woofers wired in series --- 89.5dB 

Test Data