Thiele & Small Parameters Dayton DA215-8 RAW Frequency Response 24 Liters Bass Reflex • Port Tuning = 2″ DIA, L=6.5″ • Baffle Width=13-1/2″ Thiele & Small Parameters (before Break-in) Ported… Read more >
michael chua
April 30, 2020
Drivers Thiele & Small, HIFI DRIVERSAluminum Cone, DA215, Dayton
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Thiele & Small Parameters Peerless 830656 RAW Frequency ResponsePorted Box=13L | Baffle Width=8-1/2″ Thiele & Small Parameters (before Break-in) Ported Box=13 liters • Fb=50Hz (Manufacturer’s T/S) Ported Box=13 liters •… Read more >
michael chua
April 30, 2020
Drivers Thiele & Small, HIFI DRIVERS830656, Peerless, SDS, Subwoofer
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Fountek FR88EX Thiele & Small (before Break-in) Manufacturer’s Specs Sealed Box=1.5 liters • F3=144Hz (Manufacturer’s T/S) Ported Box=3 liters • Fb=75Hz (Manufacturer’s T/S) Ported Box=3 liters • Fb=75Hz (DATS) Updated… Read more >
michael chua
April 18, 2020
Drivers Thiele & Small, HIFI DRIVERSFountek, FR88EX, Full Range
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Fountek FE85 RAW Frequency Response Fountek FE85 Thiele & Small Manufacturer’s Specs Sealed Box=1.5 liters. F3=150Hz Sealed Box=3 liters. F3=145Hz Ported Box=3 liters. F3=75Hz Ported Box=5 liters. F3=65Hz
michael chua
April 17, 2020
Drivers Thiele & Small, HIFI DRIVERSFE85, Fountek, Full Range
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Markaudio 4″ CHP70-P GEN2 Thiele & Small Parameters Thiele & Small Parameters (before Break-in) Ported Box=7 liters • F3=57Hz (DATS x0.75 T/S) Sealed Box=7 liters • F3=112Hz (DATS x0.75 T/S)… Read more >
michael chua
April 15, 2020
Drivers Thiele & Small, HIFI DRIVERSCHP70, Full Range, Markaudio
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Baffle Step Compensation I saved the baffle step compensation (BSC) for last because I wanted to see whether I can do without it. Presently, the CHP-70 with the TW010E1 are… Read more >
michael chua
March 10, 2020
Drivers Thiele & Small, HIFI DRIVERSAudax, Baffle Step, CHP70, Markaudio, Time Alignment, TW010E1
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Time Aligning the CHP-70 with TW010E1 There are different ways to time align drivers. Most common is to either move the woofer forward by using a step or to tilt… Read more >
michael chua
March 8, 2020
Drivers Thiele & Small, HIFI DRIVERSAudax, CHP70, Markaudio, Time Alignment, TW010E1
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why the Audax TW010E1 Because this is one of the few tweeters I have that works superbly with a 1st order filter. The other is my Morel CAT 378 which… Read more >
michael chua
March 4, 2020
Drivers Thiele & Small, HIFI DRIVERSAudax, CHP70, Markaudio, TW010E1
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First Impressions I’m not a fan of full range drivers but I was curious as to the performance of the CHP-70 by Markaudio. I’ve never owned nor heard any drivers… Read more >
michael chua
February 28, 2020
Drivers Thiele & Small, HIFI DRIVERSCHP70, Elite, Markaudio, Ribbon, VRT18
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Manufacturer’s Frequency Response Measured Frequency Response Baffle Width = 6-1/2″ | Sealed Box 1.7 liters | No Smoothing Step Response Cumulative Spectral Decay Toneburst Energy Storage Spectrogram Harmonic Distortion Impedance… Read more >
michael chua
February 27, 2020
Drivers Thiele & Small, HIFI DRIVERSCHP70, Full Range, Markaudio
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