Design Studies & Theory - HTGuide Forum

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Interesting summary article about Loudspeaker Bass Reflex Alignments on AudioXpress by JonMarsh Started by JonMarsh, 27 October 2025, 08:38 Monday	17 responses 341 views 1 reaction	Last Post by chrisn 18 November 2025, 23:04 Tuesday
Revisiting the M8ta... by JonMarsh Started by JonMarsh, 15 September 2025, 18:18 Monday	15 responses 393 views 0 reactions	Last Post by Bear 23 September 2025, 08:06 Tuesday
Little Miss NatP version - SB15CAC-8 + Seas DXT underway by JonMarsh Started by JonMarsh, 15 November 2024, 11:37 Friday	6 responses 439 views 1 reaction	Last Post by peterpan 18 August 2025, 06:10 Monday
The Schlafmutzes Mini MT’s design and progress by JonW Started by JonW, 28 February 2013, 21:55 Thursday	349 responses 46,424 views 0 reactions	Last Post by JonW 23 March 2025, 12:10 Sunday
Dayton Ardent PE? by JonMarsh Started by JonMarsh, 08 April 2023, 09:50 Saturday	58 responses 2,418 views 2 reactions	Last Post by technodanvan 19 January 2025, 14:25 Sunday
Nostalgia for a certain style of design innovation - but ruthlessly simplified by Evil Twin Started by Evil Twin, 05 September 2023, 09:00 Tuesday	71 responses 3,655 views 4 reactions	Last Post by Evil Twin 30 December 2024, 12:08 Monday
A possible new venture into the Dark Side inspired by KEF Meta 3 by Evil Twin Started by Evil Twin, 07 December 2024, 11:21 Saturday	4 responses 189 views 0 reactions	Last Post by Evil Twin 07 December 2024, 18:10 Saturday
Minerva TB, or "Re-using the ET-CCT coaxial driver design with the TB W6-2313" by JonMarsh Started by JonMarsh, 17 October 2024, 10:33 Thursday	5 responses 222 views 1 reaction	Last Post by JonMarsh 19 November 2024, 09:55 Tuesday
Not home audio related, but trying to upgrade our cars sub and have driver questions. by Hdale85 Started by Hdale85, 26 August 2024, 14:19 Monday	3 responses 53 views 0 reactions	Last Post by Hdale85 26 August 2024, 23:58 Monday
Modula PSD- small system idea simmering on the back burner for months... by JonMarsh Started by JonMarsh, 07 October 2023, 11:30 Saturday	14 responses 736 views 3 reactions	Last Post by JonMarsh 27 July 2024, 15:17 Saturday
NASB, or, "The Skinny Minnie" by JonMarsh Started by JonMarsh, 14 November 2023, 18:49 Tuesday	8 responses 415 views 2 reactions	Last Post by technodanvan 02 March 2024, 21:07 Saturday
Isobaric, how to actually do it? by DaveFred Started by DaveFred, 23 February 2024, 19:07 Friday	4 responses 177 views 0 reactions	Last Post by JonMarsh 28 February 2024, 08:11 Wednesday
New D3004-6022 Illuminator + WG patterned after Monacor WG-300 by JonMarsh Started by JonMarsh, 01 January 2024, 15:42 Monday	4 responses 357 views 2 reactions	Last Post by JonMarsh 07 January 2024, 15:47 Sunday
A question on box depth from the old days by GenoT Started by GenoT, 01 November 2023, 12:25 Wednesday	4 responses 246 views 0 reactions	Last Post by Reet 24 November 2023, 10:36 Friday
JADS- NatP HT, or high efficiency on wall/in wall MTM for HT by JonMarsh Started by JonMarsh, 26 July 2022, 21:53 Tuesday	30 responses 2,077 views 1 reaction	Last Post by Megatone13 25 October 2023, 06:29 Wednesday
Arvo Pärt Supreme? It's not my fault!! by JonMarsh Started by JonMarsh, 25 September 2023, 20:54 Monday	5 responses 330 views 0 reactions	Last Post by JonMarsh 29 September 2023, 11:45 Friday
A Monster Construction Methods Shootout Thread by augerpro Started by augerpro, 17 June 2020, 14:51 Wednesday	159 responses 16,892 views 1 reaction	Last Post by technodanvan 06 July 2023, 15:57 Thursday
Purifi white paper shows that a series notch can decrease breakup distortion by capslock Started by capslock, 03 April 2022, 10:53 Sunday	13 responses 2,269 views 0 reactions	Last Post by JonMarsh 02 February 2023, 09:14 Thursday
Closed: Video about the new PS Audio FR30's was a hoot, but for unusual reasons by JonMarsh Started by JonMarsh, 16 May 2022, 21:40 Monday	83 responses 4,742 views 0 reactions	Last Post by JonMarsh 06 November 2022, 20:25 Sunday
Calliope CC Mk2 Design Study by JonMarsh Started by JonMarsh, 13 August 2022, 12:14 Saturday	34 responses 1,332 views 0 reactions	Last Post by JonMarsh 10 October 2022, 09:52 Monday
Midrange design study... by Evil Twin Started by Evil Twin, 24 July 2022, 13:52 Sunday	11 responses 1,531 views 0 reactions	Last Post by Evil Twin 28 September 2022, 16:57 Wednesday
Investigating floor and ceiling bounce by augerpro Started by augerpro, 03 July 2022, 21:34 Sunday	15 responses 990 views 0 reactions	Last Post by augerpro 10 September 2022, 21:43 Saturday
Any thoughts on side mounted woofer (CSS SDX10) in floorstander designs? by Efalegalo Started by Efalegalo, 07 October 2021, 19:53 Thursday	23 responses 3,012 views 0 reactions	Last Post by JonMarsh 04 September 2022, 09:52 Sunday
A New Design Study in progress... by Evil Twin Started by Evil Twin, 30 March 2022, 09:01 Wednesday	18 responses 2,883 views 0 reactions	Last Post by Scottg 12 April 2022, 15:12 Tuesday
Port tuning measurement by jquin Started by jquin, 19 February 2022, 18:34 Saturday	10 responses 831 views 0 reactions	Last Post by Reet 22 February 2022, 19:53 Tuesday
My first attempt at passive crossover design. Comments welcomed (VituixCAD) by Mark HT Started by Mark HT, 06 December 2021, 19:00 Monday	3 responses 622 views 0 reactions	Last Post by tktran 07 December 2021, 04:34 Tuesday
An attempt to make a 3 way floorstander with DSP-based crossover by vineethkumar01 Started by vineethkumar01, 21 September 2021, 23:14 Tuesday	13 responses 2,161 views 0 reactions	Last Post by vineethkumar01 29 September 2021, 20:48 Wednesday
Question about inductors by Luke Started by Luke, 15 August 2021, 15:15 Sunday	3 responses 710 views 0 reactions	Last Post by Luke 17 August 2021, 13:16 Tuesday
Subwoofers upgrade on the brain by ---k--- Started by ---k---, 17 February 2021, 11:09 Wednesday	12 responses 1,438 views 0 reactions	Last Post by rick844 18 July 2021, 08:08 Sunday
The Bordeaux - Crossover Help Needed - DIY Gurus please chime in by Efalegalo Started by Efalegalo, 24 March 2019, 22:16 Sunday	58 responses 21,959 views 0 reactions	Last Post by Mikerodrig27 17 July 2021, 15:48 Saturday
Isiris Min- a definite Maybe? by JonMarsh Started by JonMarsh, 02 June 2021, 11:53 Wednesday	75 responses 6,152 views 0 reactions	Last Post by theSven 23 June 2021, 21:31 Wednesday
Three Way Evil Design Study by Evil Twin Started by Evil Twin, 17 December 2006, 04:30 Sunday	1,205 responses 257,062 views 0 reactions	Last Post by Guest 23 June 2021, 13:58 Wednesday
Which end is postive on capacitor??? by CADman_ks Started by CADman_ks, 22 January 2012, 15:01 Sunday	6 responses 1,106 views 0 reactions	Last Post by CADman_ks 29 March 2021, 21:02 Monday
Issues with C-Coil inductors from Jantzen by ligonk Started by ligonk, 16 August 2014, 23:20 Saturday	27 responses 5,627 views 0 reactions	Last Post by ergo 28 March 2021, 12:30 Sunday
Having trouble figuring out sub port length with enclosure constraints by crackyflipside Started by crackyflipside, 11 January 2021, 09:55 Monday	1 response 305 views 0 reactions	Last Post by carlthess40 11 January 2021, 10:39 Monday
Steve's been bugging me for a center channel design... by JonMarsh Started by JonMarsh, 28 September 2020, 20:45 Monday	22 responses 3,260 views 0 reactions	Last Post by Steve Manning 03 December 2020, 10:18 Thursday
High value capacitors by Scareurpasenger Started by Scareurpasenger, 02 July 2020, 10:02 Thursday	19 responses 3,099 views 0 reactions	Last Post by wolf_teeth 28 August 2020, 18:55 Friday
Keep TD10m or is there an alternative that meets my needs? by lbstyling Started by lbstyling, 09 July 2020, 09:40 Thursday	11 responses 1,331 views 0 reactions	Last Post by AJINFLA 13 July 2020, 12:29 Monday
The Cathedrals by Dave Bullet Started by Dave Bullet, 13 April 2020, 03:03 Monday	4 responses 897 views 0 reactions	Last Post by Dave Bullet 13 April 2020, 15:42 Monday
seas thor crossover redesign help by kappa546 Started by kappa546, 18 July 2007, 04:42 Wednesday	254 responses 88,036 views 0 reactions	Last Post by leandro girard 31 March 2020, 23:56 Tuesday
My first project is a 4 way speaker... by cochinada Started by cochinada, 04 March 2015, 06:19 Wednesday	618 responses 196,600 views 0 reactions	Last Post by cochinada 18 March 2020, 02:50 Wednesday
The BaSSlines (was High Sensitivity Design) by dlneubec Started by dlneubec, 02 May 2008, 09:03 Friday	483 responses 123,980 views 0 reactions	Last Post by dlneubec 01 February 2020, 17:15 Saturday
Port Related Issue: Thoughts on how I can resolve? by Efalegalo Started by Efalegalo, 17 November 2019, 13:34 Sunday	6 responses 8,780 views 0 reactions	Last Post by fbov 25 November 2019, 00:04 Monday
Help me decide: OB with Seas C18 or with Neo10/Neo3 by sfdoddsy Started by sfdoddsy, 10 August 2019, 04:24 Saturday	31 responses 9,076 views 0 reactions	Last Post by sfdoddsy 20 November 2019, 04:29 Wednesday
ZDT3.5 (sort of): Duelund crossover design (I hope) by fjhuerta Started by fjhuerta, 04 June 2009, 21:35 Thursday	42 responses 29,924 views 0 reactions	Last Post by Guest 07 November 2019, 23:10 Thursday
Influence of inductor types on distortion performance by Zvu Started by Zvu, 06 October 2019, 10:57 Sunday	8 responses 12,378 views 0 reactions	Last Post by Zvu 13 October 2019, 16:54 Sunday
Introducing the SSA-WG by sdl2112 Started by sdl2112, 09 October 2015, 20:14 Friday	309 responses 72,112 views 0 reactions	Last Post by technodanvan 21 July 2019, 22:03 Sunday
Closed: Why doesn't anyone use loudspeaker management instead of crossovers in high end desig by DIYrocks Started by DIYrocks, 01 December 2016, 01:21 Thursday	65 responses 16,123 views 0 reactions	Last Post by ModMark 25 March 2017, 06:46 Saturday
The ultimate small speaker - final design critique/improvement by bcodemz Started by bcodemz, 25 August 2016, 21:41 Thursday	19 responses 2,262 views 0 reactions	Last Post by Rick Craig 09 September 2016, 23:39 Friday
Closed: "Fundamentals" for a new stand mounted speaker project -what goes around comes around by JonMarsh Started by JonMarsh, 20 June 2015, 19:04 Saturday	254 responses 27,577 views 0 reactions	Last Post by JonMarsh 17 January 2016, 18:48 Sunday
Closed: Proposal for an easy to build modular multi vendor bass bin concept for music by Evil Twin Started by Evil Twin, 19 September 2014, 10:33 Friday	40 responses 7,200 views 0 reactions	Last Post by CraigJ 24 December 2014, 15:37 Wednesday
Closed: Official Premature Arvo Pärt Picante thread by JonMarsh Started by JonMarsh, 03 December 2011, 13:03 Saturday	196 responses 39,476 views 0 reactions	Last Post by JonMarsh 21 August 2014, 09:21 Thursday
Closed: Finishing the design of my ZRT cabinets. by TheD Started by TheD, 04 July 2014, 05:07 Friday	19 responses 1,916 views 0 reactions	Last Post by TheD 04 August 2014, 04:44 Monday
Closed: Proposal for a compact three way by Evil Twin Started by Evil Twin, 13 February 2014, 11:43 Thursday	81 responses 24,883 views 0 reactions	Last Post by Paul K. 13 April 2014, 09:06 Sunday
Ultra-compact dipoles by gainphile Started by gainphile, 17 July 2012, 06:12 Tuesday	90 responses 111,664 views 0 reactions	Last Post by gainphile 09 July 2013, 18:51 Tuesday
Closed: Something New Cooking............................... by dlneubec Started by dlneubec, 26 September 2012, 14:36 Wednesday	114 responses 10,303 views 0 reactions	Last Post by dlneubec 10 December 2012, 07:55 Monday
Closed: The Pecorinos by cjd Started by cjd, 06 October 2011, 15:36 Thursday	71 responses 15,430 views 0 reactions	Last Post by Brian Bunge 15 November 2012, 22:50 Thursday
Closed: Modula Xtreme follow up by JonMarsh Started by JonMarsh, 21 March 2010, 07:48 Sunday	328 responses 79,874 views 0 reactions	Last Post by JonMarsh 07 August 2011, 17:06 Sunday
Closed: Zaph ZA5.3 MTM in a Steel Tube? by ---k--- Started by ---k---, 19 January 2010, 14:26 Tuesday	52 responses 6,726 views 0 reactions	Last Post by ---k--- 12 September 2010, 09:39 Sunday
Closed: Design Concept Study: M8td3 by JonMarsh Started by JonMarsh, 06 March 2010, 13:58 Saturday	22 responses 8,052 views 0 reactions	Last Post by knifeinthesink 30 August 2010, 23:15 Monday
Closed: Ported M8n MTM designs..... by ThomasW Started by ThomasW, 10 February 2004, 11:58 Tuesday	257 responses 58,464 views 0 reactions	Last Post by ThomasW 30 March 2008, 12:19 Sunday

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