Celestion TF1225 (12″ 250W RMS Pro Woofer) Active Bi-amped This Celestion TF1225 is the fourth 12″ pro woofer that I’m testing. I’ve never owned any Celestion before, so it’ll be… Read more >
michael chua
July 31, 2020
Drivers Evaluation, HIFI DRIVERS, PRO DRIVERS12", Celestion, Horn, PD40, Pioneer, Pro Woofer, TF1225
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Peerless FSL 1225R02-08 (12″ 350W RMS Pro Woofer) Active Bi-amped My quest to find the right woofer for my Pioneer PD-40 horn is becoming tiresome and expensive. The first two… Read more >
michael chua
July 24, 2020
Drivers Evaluation, HIFI DRIVERS, PRO DRIVERS12", FSL-1225R02, Horn, PD40, Peerless, Pioneer, Pro Woofer
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Dayton PA310 (12″ 450W RMS Pro Woofer) Active Bi-amped This is my second attempt at finding the right woofer for the Pioneer PD-40 horn. This time round, I’m using a… Read more >
michael chua
July 19, 2020
Drivers Evaluation, HIFI DRIVERS, PRO DRIVERS12", Dayton, Horn, PA310, PD40, Pioneer, Pro Woofer
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Dayton DSA315-8 with Pioneer PD-40 Active Bi-amped In this exercise, I am testing a 12″ woofer with the Pioneer PD-40 mid horn. For convenience, I am running it active with… Read more >
michael chua
July 15, 2020
Drivers Evaluation, HIFI DRIVERSDayton, DSA315, Horn, PD40, Pioneer
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Marrying the Old with the New The Sandpiper is based on one of my favorite horns, the Pioneer PD-40-4. This horn was originally used for the midrange in Pioneer’s CS-R700…. Read more >
michael chua
May 12, 2020
ProjectsDA215, Dayton, PD40, Pioneer
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Pioneer PD-40-4 (8Ω Matched Pair) RAW Frequency Response Pioneer PD-40-3 (16Ω Matched Pair) RAW Frequency Response Pioneer PD-40-4 (8Ω) Thiele & Small Parameters Pioneer PD-40-3 (16Ω) Thiele & Small Parameters
michael chua
May 10, 2020
Drivers Thiele & Small, HIFI DRIVERSCS-R700, Horn, Midrange, PD40, Pioneer
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Pioneer HPM-100 (30-733A) 12″ Woofer Thiele / Small Parameters Ported Box 55 liters. F3=40Hz Ported Box 75 liters. F3=37Hz Ported Box 100 liters. F3=33Hz Sealed Box 45 liters. F3=53Hz, Q=0.75… Read more >
michael chua
May 8, 2018
HIFI DRIVERS12", 30-733A, HPM 100, Pioneer, Woofer
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Pioneer W20GR30 Thiele & Small Parameters Ported Box=20 liters • Fb=45Hz (DATS T/S) Ported Box=25 liters • Fb=40Hz (DATS T/S) Ported Box=35 liters • Fb=40Hz (DATS T/S) Updated on Oct… Read more >
michael chua
May 8, 2018
HIFI DRIVERS8", Pioneer, W20GR30, Woofer
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Pioneer W30IR50 Thiele / Small Parameters Ported Box = 45 liters • Fb=30Hz (DATS T/S) Ported Box = 55 liters • Fb=30Hz (DATS T/S) Sealed Box = 45 liters •… Read more >
michael chua
May 7, 2018
HIFI DRIVERS12", Pioneer, W30IR50, Woofer
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Thiele & Small Parameters (before Break-in) Sealed Box=55 liters • F3=45Hz • Q=0.80 (Manufacturer’s T/S) Sealed Box=55 liters • F3=40Hz • Q=0.78 (DATS x0.75) Sealed Box=75 liters • F3=45Hz •… Read more >
michael chua
April 30, 2018
Car Subwoofers12", Car Subwoofers, Pioneer, W31C
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