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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SB Acoustics SB19ST-C000-4 Impedance SB Acoustics SB19ST-C000-4 RAW Frequency ResponseFlush Mounted • Baffle Width=8-3/4″ SB19ST-C000-4 CumulativeSpectral Decay (CSD) 3.0kHz HPF • 18dB/oct Rise Time = 0.10 msec. Window = 1.3… Read more >
michael chua
July 25, 2018
HIFI DRIVERS3/4", SB Acoustics, SB19ST, Soft Dome, Tweeter
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Solitaire Peerless 830870 PPB Cone HDS 4″ Midrange with Morel MDT29 Tweeter Active Bi-Amped The Solitaire is the result of my quest for a compact satellite speaker. In this design,… Read more >
michael chua
July 23, 2018
Drivers Evaluation, HIFI DRIVERS830870, MDT29, Morel, Peerless
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Morel MDT29 Frequency Response Surface and Flush Mounted • Baffle Width=9-1/2″Fig 1 – Blue plot=Surface Mounted • Black plot=Flush Mounted Baffle Width=9-1/2″ • Ported Box=18 liters Morel MDT29 Surface Mounted… Read more >
michael chua
July 21, 2018
HIFI DRIVERS1-1/8", MDT29, Morel, Soft Dome, Tweeter
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Hummingbird Dayton DSA135-8 Aluminum Cone 5″ Midwoofer with Dynavox TD2801XL Tweeter Active 2-way This is the first time I’m working on Dayton’s Designer Series Aluminum Cone (DSA) woofer. From the… Read more >
michael chua
July 17, 2018
Drivers Evaluation, HIFI DRIVERSDayton, DSA135, Dynavox, TD2801XL
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Dynavox TD2801XL Published Frequency Response Dynavox TD2801XL RAW Frequency Response Mic at 24ins, tweeter axis. Impulse Window = 5msec. No Smoothing. Baffle Width=8-1/8″ • Ported Box=7 liters Dynavox TD2801XL •… Read more >
michael chua
July 17, 2018
HIFI DRIVERS1-1/8", Dynavox, Silk Dome, TD2801XL, Tweeter
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Dayton ND25FW-4 RAW Frequency ResponseFig 1 – Mic at 36ins, tweeter axis. Impulse Window = 5msec. No Smoothing. Baffle Width=9″ • DCR Box=40 liters Dayton ND25FW-4 • 3kHz HPF • 24dB/oct… Read more >
michael chua
June 29, 2018
HIFI DRIVERSDayton, ND25FW-4, Neodymium, Soft Dome, Tweeter, Waveguide
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Lark DCR2 (Dual Chamber Reflex) SB Acoustics SB16PFC25-8 with Dayton ND25FW-4 Active 2-way In this next version, I’m pairing the SB16PFC25-8 with a mini Waveguide tweeter by Dayton, the ND25FW-4…. Read more >
michael chua
June 28, 2018
Drivers Evaluation, HIFI DRIVERS6", Dayton, ND25FW-4, SB Acoustics, SB16PFC25-8, Waveguide
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Dayton DSA135-8 Published Frequency Response Dayton DSA135-8 RAW Frequency Response Baffle Width=8.25″ • Ported Box=7 liters Mic at 24ins, woofer axis. Impulse Window=5msec. No Smoothing. Nearfield below 500Hz. Dayton DSA135-8… Read more >
michael chua
June 26, 2018
HIFI DRIVERS5", Aluminum Cone, Dayton, DSA135, Midwoofer
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