Crow-II (Dayton DA175-8 Bandpass Tower Subwoofer)
Crow-II It was in 2018 that I designed the Crow with the Silver Flute W17RC38-08. Though it sounded good, the sensitivity was rather low. The Crow-II addresses this deficiency by… Read more >
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Goldfinch (Scanspeak PL18WO with Peerless H26TG45)
Scanspeak PL18WO-06-08 The Goldfinch is based on the Scanspeak PL18WO-06-08 that is no longer in production. I happened to chance upon them at Parts Express and immediately bought a pair…. Read more >
Dayton DA135-8 (5-1/4″ Aluminum Cone Woofer)
Dayton DA135-8 Published Specs Dayton DA135-8 Measured Thiele & Small Ported Box=8 liters • F3=55Hz Ported Box=10 liters • F3=50Hz Ported Box=20 liters • F3=37Hz Sealed Box=8 liters • F3=75Hz… Read more >
September 4, 2020 Drivers Thiele & Small, HIFI DRIVERS Read more >
Dayton DA175-8 (7″ Aluminum Cone Woofer)
Dayton DA175-8 Published Specs Dayton DA175-8 Measured Thiele & Small Sealed Box=18 liters • F3=55Hz Sealed Box=24 liters • F3=53Hz Ported Box=35 liters • F3=52Hz Bandpass Box=25 liters • F3=40Hz-100Hz
September 4, 2020 Drivers Thiele & Small, HIFI DRIVERS Read more >
Sparrow-TA (SB13PFC25-08 with SB19ST-C000-4)
Sparrow-TA Time-Aligned It was 2 yrs ago that I tested these drivers in an active bi-amped system (Sparrow-19ST). What really bugged me then was the SB13PFC25-08 frequency response. It is… Read more >
Enlightenment – Scanspeak 15WU with Morel CAT378
ScanSpeak 15WU/4741T00 I would like to thank my buddy Mark Nash for sending his midwoofer for testing. The 15WU is the top of the line midwoofer by Scanspeak. It features… Read more >
Scanspeak Illuminator 15WU/4741T00 Thiele/Small
Scanspeak Illuminator 15WU/4741T00 Published Specs Scanspeak 15WU/4741T00 Measured Thiele & Small RAW Frequency Response in 10 Liters Box. Baffle Width=8″. Below 500Hz in Nearfield. Ported Box=7 liters • F3=53Hz Ported… Read more >
August 27, 2020 Drivers Thiele & Small, HIFI DRIVERS Read more >
Hummingbird-TA (Time Aligned DSA135 with ND25FW)
Hummingbird-TA Time Aligned Dayton DSA135-8 with ND25FW-4 In Aug last year, I worked on the Hummingbird which is based on the Dayton DSA135-8. This is one midwoofer that I really… Read more >
HiVi RT1.3WE Isodynamic Planar Tweeter
HiVi RT1.3WE Isodynamic Planar Tweeter
August 20, 2020 Drivers Thiele & Small, HIFI DRIVERS Read more >
Dayton RS125P-8 (5″ Reference Paper Cone Woofer)
Dayton RS125P-8 Published Specs Dayton RS125P-8 Measured Thiele & Small Sealed Box=3 liters • F3=107Hz Sealed Box=5 liters • F3=106Hz Ported Box=5 liters • F3=70Hz
August 20, 2020 Drivers Thiele & Small, HIFI DRIVERS Read more >