00:00Need best copper coils for speaker builds without burning wallet?
00:04Tested market
00:05Found top 5 copper coils for audio frequency projects
00:09High specs, low price
00:11First, standard spool enameled copper wire, 0.1-0.9mm sizes
00:18Cost $2.48
00:21Over 4,000 sold, 4.7 stars
00:25Perfect for hand winding custom inductors and fixing small transformers
00:29Dirt cheap, high heat enamel, maximum DIY flexibility
00:34Second, oxygen-free copper hollow circular inductor with clear casing
00:39Comes in 0.33 and 0.18 mH values using 0.8mm wire
00:45$10.80
00:48Air core means zero magnetic saturation distortion in crossover audio path
00:54Clean sound, sturdy mount, good for pristine high-pass filters
00:57Third, 1.2mm iron core silicon steel sheet inductor, 0.5 mH
01:04Only $4.55
01:07Boasts 4.9 rating across thousands sold
01:11Heavy iron core keeps series resistance tiny while handling massive base current
01:16Best value for subwoofers and low-frequency crossovers
01:20Fourth, audiophile-grade 1.0mm empty core inductor
01:25Runs $7.71, rated 4.8 stars
01:29Thick wire handles high car audio amplifier wattage without melting or degrading audio signal
01:35Excellent upgrade for custom car two-way splits
01:39Fifth, bare hollow inductor coil
01:42Incredible $1.35 base price with perfect 5-star rating
01:47Pure copper, no core, full-spec sizes available
01:52Cheapest way to drop clean air core filtering into budget desktop speakers without distortion
01:57All product links drop in description below
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