SB17NRX2C35-4 RAW Frequency ResponseBaffle Width=9-1/2″ • 27 liters Bass Reflex • Mic=36ins • No Smoothing Thiele & Small Parameters Thiele & Small Parameters (before Break-in) Ported Box=15 liters • Fb=46Hz… Read more >
michael chua
January 23, 2021
Drivers Thiele & SmallSB Acoustics, SB17NRX
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Sparrow-V Although the Sparrow-II measures well, I find her too dull for my taste. I like my music to excite me, something that the Sparrow-II has a hard time doing…. Read more >
michael chua
November 18, 2020
HIFI DRIVERS, ProjectsBC25SC08, Peerless, SB Acoustics, SB13PFC25
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SB Acoustics SB13PFC25-08 This midwoofer has been bugging me for a long time. I’ve never encountered a 5″ that drops off at 1.5kHz (Fig 1) and just plateaus at -5dB… Read more >
michael chua
November 17, 2020
HIFI DRIVERS, ProjectsBC25SC08, Peerless, SB Acoustics, SB13PFC25
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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 >
michael chua
September 3, 2020
HIFI DRIVERS, ProjectsSB Acoustics, SB13PFC, SB19ST, Time Aligned
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Thiele & Small Parameters Thiele & Small Parameters (before Break-in) Sealed Box=35 liters • F3=50Hz • Q=0.64 (Manufacturer’s T/S) Sealed Box=35 liters • F3=44Hz • Q=0.80 (DATS T/S) Sealed Box=24… Read more >
michael chua
May 1, 2020
Drivers Thiele & SmallCeramic, SB Acoustics, SB23CACS45
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SB29RDNC-C000-4 Manufacturer’s Frequency Response SB29RDNC-C000-4 RAW Frequency Response (No Baffle) SB29RDNC-C000-4 Impedance
michael chua
April 20, 2020
HIFI DRIVERSNeodymium, SB Acoustics, SB29RDNC, Tweeter
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Lark DCR2b Dual Chamber Reflex SB Acoustics SB16PFC25-8 with Dayton ND25FW-4 All it took was two days before I ripped apart the Lark-DCR2 crossover. I just couldn’t stomach the sound… Read more >
michael chua
July 28, 2019
HIFI DRIVERS, Projects6", Dayton, ND25FW-4, SB Acoustics, SB16PFC25-8, Waveguide
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Lark DCR2 (Dual Chamber Reflex) SB Acoustics SB16PFC25-8 with Dayton ND25FW-4 It was in June of 2018 that I tested these two drivers in an active bi-amp setup. The result… Read more >
michael chua
July 24, 2019
HIFI DRIVERS, Projects6", Dayton, ND25FW-4, SB Acoustics, SB16PFC25-8, Waveguide
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Sparrow-19ST ver2 SB Acoustics SB13PFC25-08 with SB19ST-C000-4 Tweeter Active Tri-Amped I’ve been listening to the Sparrow-19ST for the past 5 months in an active 3-way configuration. While it is above… Read more >
michael chua
December 21, 2018
Drivers Evaluation, HIFI DRIVERSSB Acoustics, SB13PFC, SB19ST
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Sparrow-19ST SB Acoustics SB13PFC25-08 with SB19ST-C000-4 Tweeter Active BiAmped The Sparrow-19ST is my fourth attempt with the SB Acoustics 5″ plastic frame SB13PFC25-08 midwoofer. In all my previous designs, I… Read more >
michael chua
July 26, 2018
Drivers Evaluation, HIFI DRIVERSSB Acoustics, SB13PFC, SB19ST
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