Question
Preparing to build my first Bassilisk
About to build my first bassilisk, 3d printed stuff wish me luck
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QuestionSolved
Huge dip at 2 kHz — baffle step or crossover?
Measured response has a deep notch right at 2 kHz, exactly my crossover point. Reversed tweeter polarity and the notch filled in. So... my XO phase is wrong, not baffle step, right?
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Room mode at 45 Hz — sub placement or EQ?
Big peak at 45 Hz, dip at 60. Single sub in the corner. Do I chase placement first or just EQ the peak down?
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Hum when I touch the RCA — ground loop?
Faint hum that gets louder when I touch the RCA connector shell. Single amp, single source, both on the same outlet. Ground loop, or is my chassis ground floating?
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Veneer vs paint for MDF cabinets — first timer
First "nice looking" build. Veneer scares me (glue, seams) but paint on MDF means a lot of priming/sanding to kill the fuzz. Which is more forgiving for a beginner?
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How low THD do I actually need?
Chasing distortion numbers. Below what THD level does it stop mattering for a home speaker at living room levels?
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Sub crawl gave me two good spots — which?
Did the sub crawl. Two positions measure almost equally flat. One is in the front corner, one is mid side wall. Tie breaker?
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Best damping material for a sealed midrange?
Sealed midrange sub enclosure, 1.5L. Long fiber wool, polyfill, or acoustic foam? Trying to kill the internal reflection without over damping.
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Crossover point for SB17 + a fabric dome?
Pairing an SB Acoustics SB17NRX woofer with a 28mm fabric dome. Both can comfortably cross around 2–2.5 kHz on paper. Where would you put it, and LR2 or LR4?
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Best budget interface for REW under $100?
Need an interface for REW measurements (loopback timing + mic in). Under $100. Behringer UMC202HD? Or is there something better at that price?
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SPL from 2× 15″ in a 4th-order bandpass?
Modeling 2× 15″ pro drivers in a 4th order bandpass for a small venue. WinISD says 128 dB in the passband. Is that realistic or am I going to be disappointed once it is built?
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Glue for driver gaskets — holds but re-seatable?
Want a gasket seal that is airtight but lets me pull the driver later without destroying the baffle. Mortite rope caulk? Or something better?
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Sealed vs ported for a 12″ Dayton UM12 — HT + music?
Building my first sub around a Dayton UM12 22 . Room is 32 m². I want tight bass for music but also some grunt for movies. Sealed gives me the transient response, ported the extension. Is a 0.7 Qtc sealed + EQ the move here, or should I just tune a ported box to 22 Hz?
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Ported box tuned 5 Hz lower than WinISD said?
Modeled a 28 Hz tune, measured it at 23 Hz. Port is the right length and diameter. Box volume is correct. What am I missing — does stuffing shift the tune that much?
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Flatten a 6 dB baffle step without losing sensitivity?
My 2 way needs 5–6 dB of baffle step compensation, but every BSC circuit eats sensitivity. Is there a smarter way, or do I just accept the loss and pad the tweeter to match?
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TPA3116 amp shuts off after 10 min — thermal?
Little 2×50W TPA3116 board cuts out after 10 minutes at moderate volume, comes back when it cools. No heatsink on the chip. Thermal shutdown, right? Just add a heatsink?
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miniDSP 2x4 HD vs Flex — worth the upgrade?
Running a 2x4 HD now. The Flex has better converters and Dirac as an option. For a 2.1 active setup, is it a real upgrade or am I chasing specs?
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