In this video I explain Hofmann's Iron Law, we learn a little bit about who Dr. Hofmann was, how to use his law to design a better box, get more bass, and how we can work around the law. To Learn more about box design check out these videos:    • Port Tuning   Thank you to https://www.youtube.com/channel/UCvusxEHa4KxVCusGeAK8n0g and https://www.youtube.com/channel/UCMW67kL9fp6QogFYNg-TTsw for their help with this video! If you found this video helpful then you can support the channel on Patreon for as little as $3 a month: https://www.patreon.com/DIYAudioGuy Affiliate* links to products used in the video: JP8 Amplifier: https://lddy.no/11qim Alternators: https://lddy.no/10avb Try Amazon Music to listen to Hofmann Sr.'s piano concerts: https://amzn.to/3vEZyM0 Dayton Audio Subwoofer: https://parts-express.sjv.io/mgmjkD Sundown Subwoofer: https://lddy.no/125np Kicker Subwoofer: https://howl.me/cgZanpbU12f Exclusive Discount Codes for DIY Audio Guy fans: 10% off at NVX.com (https://nvx.com/?ref=n_3Nr6MdZIar-d) with the code DIYAUDIO10 10% off of Custom Speaker Pods (https://customspeakerpods.com/) with the code DIYAG Support DIY audio content by shopping with these affiliates: Amazon: https://www.amazon.com/shop/diyaudioguy Shop for Car Audio at NVX: https://nvx.com/?ref=n_3Nr6MdZIar-d Shop for Basshead Gear at Down4Sound: https://lddy.no/1065t Shop for Car and Home Audio at Crutchfield: https://howl.me/cg9bCOKLoK7 Shop for Car Audio at Sonic Electronix: https://bit.ly/3bazPBs Shop for speakers at Parts Express: https://parts-express.sjv.io/0J6eYE DIY Audio Merch: null Chapters: 0:00 Introduction 0:20 What is the Iron Law? 1:40 The Efficiency Formula. 3:00 A Practical Application of Hofmann's Iron Law. 4:00 Cabin Gain 4:20 Who was Hofmann? 6:40 Hofmann and TS parameters 8:30 Power and Efficiency. 9:30 Cheating the Iron Law 10:20 The Iron Law and Enclosure Design *As an amazon associate marketer I may earn a small commission on qualified purchases. As an affiliate marketer I may earn a small commission when you make a purchase at Parts Express, Sonic Electronix or Down4Sound.