# \#passive-xover

**URL:** https://discourse.midwestaudio.club/tag/passive-xover/12.md

[Latest](https://discourse.midwestaudio.club/latest.md) · [Categories](https://discourse.midwestaudio.club/categories.md) · [Tags](https://discourse.midwestaudio.club/tags.md)

---

## ["The Epicures" build, title maybe?](https://discourse.midwestaudio.club/t/the-epicures-build-title-maybe/847)

<div class="topic-metadata">

**Author:** [@JasonP](https://discourse.midwestaudio.club/u/JasonP)\
**Replies:** 2\
**Last updated:** [October 23, 2026, 10:35am UTC](https://discourse.midwestaudio.club/t/the-epicures-build-title-maybe/847 "2026-10-23T10:35:55Z")

</div>

I dug the EPI tweeters I have out of the driver drawers, figure I’ll try and run limp on them shortly. Here they are with the Dynavox woofers I plan on pairing them with: I wonder if I’ll need human speakers to rebui…

---

## [Another " Because she let me"](https://discourse.midwestaudio.club/t/another-because-she-let-me/822)

<div class="topic-metadata">

**Author:** [@Eggguy](https://discourse.midwestaudio.club/u/Eggguy)\
**Replies:** 7\
**Last updated:** [October 17, 2026, 7:21pm UTC](https://discourse.midwestaudio.club/t/another-because-she-let-me/822 "2026-10-17T19:21:48Z")

</div>

So being a very frugal guy, such are some of you. I try to use what I have. In this case what I was given at Grand Rapids. Thanks to Ken and Madisound, four Eminence alpha lite 16 Ohm 6.5 mids and 2 scan speak partially …

---

## [Seven snails a snailing](https://discourse.midwestaudio.club/t/seven-snails-a-snailing/818)

<div class="topic-metadata">

**Author:** [@Eggguy](https://discourse.midwestaudio.club/u/Eggguy)\
**Replies:** 12\
**Last updated:** [October 12, 2026, 3:08am UTC](https://discourse.midwestaudio.club/t/seven-snails-a-snailing/818 "2026-10-12T03:08:00Z")

</div>

My cousin in Louisiana asked me to make four of what we call snail bots. He already has one of my originals and he wants to give one to each of his kids for Christmas. We are vacationing together with our wives in S. Car…

---

## [The Rubies](https://discourse.midwestaudio.club/t/the-rubies/733)

<div class="topic-metadata">

**Author:** [@ScottS](https://discourse.midwestaudio.club/u/ScottS)\
**Replies:** 29\
**Last updated:** [October 10, 2026, 8:23pm UTC](https://discourse.midwestaudio.club/t/the-rubies/733 "2026-10-10T20:23:38Z")

</div>

Coming this fall. This project could wind up as “how to pay too much for the Chachos” - but parts are on hand and I have some reclaimed redwood siding from my parents old house that needs a new purpose. A baffle was cu…

---

## [Sycamore Towers](https://discourse.midwestaudio.club/t/sycamore-towers/630)

<div class="topic-metadata">

**Author:** [@Eggguy](https://discourse.midwestaudio.club/u/Eggguy)\
**Replies:** 97\
**Last updated:** [September 17, 2026, 12:29am UTC](https://discourse.midwestaudio.club/t/sycamore-towers/630 "2026-09-17T00:29:35Z")

</div>

The name is subject to change but it is started. I did some more design work today and ripped some lumber. I was given some cull lumber that had been in a barn for 20+ years. The red oak showed signs of powder post beetl…

---

## [Jaekels, Itasca, and Wanlü; VersaBox #4A, #4B, and #4C continued](https://discourse.midwestaudio.club/t/jaekels-itasca-and-wanlu-versabox-4a-4b-and-4c-continued/51)

<div class="topic-metadata">

**Author:** [@Wolf](https://discourse.midwestaudio.club/u/Wolf)\
**Replies:** 63\
**Last updated:** [August 10, 2026, 8:42pm UTC](https://discourse.midwestaudio.club/t/jaekels-itasca-and-wanlu-versabox-4a-4b-and-4c-continued/51 "2026-08-10T20:42:24Z")

</div>

Updates for this pair of reversible projects will be posted here.

---

## ["Inquisidores" VersaBox#6 continued](https://discourse.midwestaudio.club/t/inquisidores-versabox-6-continued/49)

<div class="topic-metadata">

**Author:** [@Wolf](https://discourse.midwestaudio.club/u/Wolf)\
**Replies:** 107\
**Last updated:** [August 7, 2026, 8:54pm UTC](https://discourse.midwestaudio.club/t/inquisidores-versabox-6-continued/49 "2026-08-07T20:54:53Z")

</div>

I’ll update these here as I progress…

---

## [DYG's ... continues](https://discourse.midwestaudio.club/t/dygs-continues/47)

<div class="topic-metadata">

**Author:** [@6thplanet](https://discourse.midwestaudio.club/u/6thplanet)\
**Replies:** 91\
**Last updated:** [August 4, 2026, 12:25am UTC](https://discourse.midwestaudio.club/t/dygs-continues/47 "2026-08-04T00:25:57Z")

</div>

Link to original post.

---

## [4thtry's 2026 InDIYana theme project - Divide and Conquer](https://discourse.midwestaudio.club/t/4thtrys-2026-indiyana-theme-project-divide-and-conquer/43)

<div class="topic-metadata">

**Author:** [@4thtry](https://discourse.midwestaudio.club/u/4thtry)\
**Replies:** 239\
**Last updated:** [July 23, 2026, 7:18pm UTC](https://discourse.midwestaudio.club/t/4thtrys-2026-indiyana-theme-project-divide-and-conquer/43 "2026-07-23T19:18:03Z")

</div>

Testing one two three. No pics yet. Working on making a particle board prototype baffle board. Think I’ll replace with solid cherry or walnut later on. End of test. :grinning\_face: Edit: My 2026 InDIYana them…

---

## [Endgame bluetooth speaker](https://discourse.midwestaudio.club/t/endgame-bluetooth-speaker/677)

<div class="topic-metadata">

**Author:** [@Eggguy](https://discourse.midwestaudio.club/u/Eggguy)\
**Replies:** 14\
**Last updated:** [July 15, 2026, 12:30am UTC](https://discourse.midwestaudio.club/t/endgame-bluetooth-speaker/677 "2026-07-15T00:30:24Z")

</div>

Introducing Botzilla the Tricab Tallboy. Not really. It is a year or two away, but I have one more KAB 4x100 board left, so a party speaker with max SPL and max projection. It is a bit of a line array but not a CBT. The …

---

## [On the drawing board for this year](https://discourse.midwestaudio.club/t/on-the-drawing-board-for-this-year/355)

<div class="topic-metadata">

**Author:** [@Eggguy](https://discourse.midwestaudio.club/u/Eggguy)\
**Replies:** 19\
**Last updated:** [May 24, 2026, 7:45pm UTC](https://discourse.midwestaudio.club/t/on-the-drawing-board-for-this-year/355 "2026-05-24T19:45:11Z")

</div>

Is it weird to be working on a speaker pair and at the same time drawing up another? Endgame.pdf (116.3 KB)

---

## [GRS Poly "surface mount" 4" 4 ohm and ND28F in waveguide](https://discourse.midwestaudio.club/t/grs-poly-surface-mount-4-4-ohm-and-nd28f-in-waveguide/454)

<div class="topic-metadata">

**Author:** [@jr-mac](https://discourse.midwestaudio.club/u/jr-mac)\
**Replies:** 13\
**Last updated:** [May 24, 2026, 6:57pm UTC](https://discourse.midwestaudio.club/t/grs-poly-surface-mount-4-4-ohm-and-nd28f-in-waveguide/454 "2026-05-24T18:57:44Z")

</div>

Ken is printing waveguides for the tweeters, and I just bought 0.34 cubic foot flatpacks from Cinergy since it is too cold to spend too much time out in the garage. I can glue them up indoors, and then maybe cut one driv…

---

## [New project: DeSlutens](https://discourse.midwestaudio.club/t/new-project-deslutens/518)

<div class="topic-metadata">

**Author:** [@PWRRYD](https://discourse.midwestaudio.club/u/PWRRYD)\
**Replies:** 111\
**Last updated:** [May 23, 2026, 12:31am UTC](https://discourse.midwestaudio.club/t/new-project-deslutens/518 "2026-05-23T00:31:12Z")

</div>

3 ways with Peerless 830668 10" woofers in sealed bass bins. The top enclosures will have 2.5"+ roundovers with SB12MNRX2-4 midranges and GRS RT3.0-8 ribbons. Cut some PB after work:

---

## [Electrolytic for large values](https://discourse.midwestaudio.club/t/electrolytic-for-large-values/552)

<div class="topic-metadata">

**Author:** [@Stearns250](https://discourse.midwestaudio.club/u/Stearns250)\
**Replies:** 17\
**Last updated:** [April 16, 2026, 3:28am UTC](https://discourse.midwestaudio.club/t/electrolytic-for-large-values/552 "2026-04-16T03:28:06Z")

</div>

Just curious if anyone can hear a difference from electrolytic caps vs poly on say a 150uf going to a Midrange in a 3way crossover? If there is a difference is it a huge one? 150uf capa are EXPENSIVE!. Just looking for…

---

## [TV speakers](https://discourse.midwestaudio.club/t/tv-speakers/431)

<div class="topic-metadata">

**Author:** [@Eggguy](https://discourse.midwestaudio.club/u/Eggguy)\
**Replies:** 73\
**Last updated:** [March 31, 2026, 1:52am UTC](https://discourse.midwestaudio.club/t/tv-speakers/431 "2026-03-31T01:52:48Z")

</div>

I don’t watch much TV or movies and I’m not into multichannel. So I’m not willing to spend a lot of money just to make Bobby Flay sound better. I found this 2 channel amp with HDMI that is cheap. I’m going to buy it a…

---

## [Solid Core Inductors](https://discourse.midwestaudio.club/t/solid-core-inductors/203)

<div class="topic-metadata">

**Author:** [@RobertH3](https://discourse.midwestaudio.club/u/RobertH3)\
**Replies:** 6\
**Last updated:** [March 25, 2026, 8:35pm UTC](https://discourse.midwestaudio.club/t/solid-core-inductors/203 "2026-03-25T20:35:26Z")

</div>

Thought I would share this. It is interesting and measurable. This is from the “Transformer and Inductor Design Handbook” by Col. William T. McLyman. He designed transformers for Mariner and other spacecraft. Good news:…

---

## [Midrange](https://discourse.midwestaudio.club/t/midrange/507)

<div class="topic-metadata">

**Author:** [@Eggguy](https://discourse.midwestaudio.club/u/Eggguy)\
**Replies:** 15\
**Last updated:** [March 18, 2026, 11:33pm UTC](https://discourse.midwestaudio.club/t/midrange/507 "2026-03-18T23:33:19Z")

</div>

I should not have bought those Satori 7.5” woofs for what I was intending. I think I will attempt a 2 way TL with them despite their low Qts. I do not think it necessary to spend a lot on mids. It seems to be the easiest…

---

## [It's not a rocket](https://discourse.midwestaudio.club/t/its-not-a-rocket/173)

<div class="topic-metadata">

**Author:** [@Eggguy](https://discourse.midwestaudio.club/u/Eggguy)\
**Replies:** 73\
**Last updated:** [March 15, 2026, 12:24am UTC](https://discourse.midwestaudio.club/t/its-not-a-rocket/173 "2026-03-15T00:24:54Z")

</div>

I had some walnut live edge slabs 1.5 inches thick for speaker baffles. Rocket3W.pdf (12.8 KB) I decided to rip them up into tapered strips and glue back together using PVA glue tinted with powdered pigments. This a…

---

## [MTMWW - taoiseach](https://discourse.midwestaudio.club/t/mtmww-taoiseach/433)

<div class="topic-metadata">

**Author:** [@jr-mac](https://discourse.midwestaudio.club/u/jr-mac)\
**Replies:** 44\
**Last updated:** [February 3, 2026, 3:09pm UTC](https://discourse.midwestaudio.club/t/mtmww-taoiseach/433 "2026-02-03T15:09:48Z")

</div>

So wife let me spend some money with Cinergy yesterday - to the tune of four 8” Motus and four 5” Motus. I also bought another pair of Chinese beryllium tweeters, so will be building a close to end game MTMWW using these…

---

## [MiniWAW](https://discourse.midwestaudio.club/t/miniwaw/448)

<div class="topic-metadata">

**Author:** [@traw](https://discourse.midwestaudio.club/u/traw)\
**Replies:** 2\
**Last updated:** [January 31, 2026, 3:11am UTC](https://discourse.midwestaudio.club/t/miniwaw/448 "2026-01-31T03:11:12Z")

</div>

Maybe rename topic, but maybe for chatter about full rangers as we did have that tweeterectomy challenge in 2025. Though some of my fascination on them has passed, like others, often the urge to repurpose past cabinets …

---

## [Sliced cone PM180-8](https://discourse.midwestaudio.club/t/sliced-cone-pm180-8/367)

<div class="topic-metadata">

**Author:** [@PWRRYD](https://discourse.midwestaudio.club/u/PWRRYD)\
**Replies:** 28\
**Last updated:** [January 9, 2026, 4:18pm UTC](https://discourse.midwestaudio.club/t/sliced-cone-pm180-8/367 "2026-01-09T16:18:42Z")

</div>

I can’t remember if I started a thread for this and couldn’t find one using search. A while back I sliced the slits in my pair of M180-8. I applied a little caulk to the backside of the slits. This morning I felt frog…

---

## [Gurkhas (small 2way build)](https://discourse.midwestaudio.club/t/gurkhas-small-2way-build/306)

<div class="topic-metadata">

**Author:** [@DrewsBrews](https://discourse.midwestaudio.club/u/DrewsBrews)\
**Replies:** 55\
**Last updated:** [December 13, 2025, 3:53am UTC](https://discourse.midwestaudio.club/t/gurkhas-small-2way-build/306 "2025-12-13T03:53:02Z")

</div>

The Gurkhas are Nepalese soldiers who, during British colonization, became known for their kukri sidearms and fearless tenacity in combat. Which more than made up for their typically shorter stature. The speaker: A 2way…

---

## [Time for another Infinity-themed InDIYana contest entry?](https://discourse.midwestaudio.club/t/time-for-another-infinity-themed-indiyana-contest-entry/258)

<div class="topic-metadata">

**Author:** [@ScottS](https://discourse.midwestaudio.club/u/ScottS)\
**Replies:** 9\
**Last updated:** [December 2, 2025, 3:15am UTC](https://discourse.midwestaudio.club/t/time-for-another-infinity-themed-indiyana-contest-entry/258 "2025-12-02T03:15:03Z")

</div>

9 years ago, the InDIYana widebody theme led to one of my favorite designs, the Indium 7 - which was generally a take on the Infinity Kappa 7 from the late 1980’s. One way to meet the requirements of the 2026 theme i…

---

## [What is my new username?](https://discourse.midwestaudio.club/t/what-is-my-new-username/261)

<div class="topic-metadata">

**Author:** [@danny](https://discourse.midwestaudio.club/u/danny)\
**Replies:** 4\
**Last updated:** [November 2, 2025, 11:09pm UTC](https://discourse.midwestaudio.club/t/what-is-my-new-username/261 "2025-11-02T23:09:19Z")

</div>

Help. I can’t remember my username,

---

## [Driver Cost vs. Crossover Components Cost](https://discourse.midwestaudio.club/t/driver-cost-vs-crossover-components-cost/197)

<div class="topic-metadata">

**Author:** [@RobertH3](https://discourse.midwestaudio.club/u/RobertH3)\
**Replies:** 26\
**Last updated:** [October 31, 2025, 10:26pm UTC](https://discourse.midwestaudio.club/t/driver-cost-vs-crossover-components-cost/197 "2025-10-31T22:26:40Z")

</div>

Has anyone else noticed this? The 3W Shawn and I are working has a total Driver Cost in 2025 prices of: Hi-Vi F8: 75.00 ea: $150.00 SB12MNRX2-25-04: 62.50 ea: $125.00 Seas 27TDFC (H1149): 73.20 ea: $146.40 To…

---

## [The Blubs](https://discourse.midwestaudio.club/t/the-blubs/233)

<div class="topic-metadata">

**Author:** [@traw](https://discourse.midwestaudio.club/u/traw)\
**Replies:** 3\
**Last updated:** [October 24, 2025, 10:40pm UTC](https://discourse.midwestaudio.club/t/the-blubs/233 "2025-10-24T22:40:38Z")

</div>

After Indy24 was intrigued by the Apex (Javad’s 2 way with CSS sdx10 gen2 and giant waveguide), later Kerry’s passive exotic finish version at CSS-diy25. But had built 1.2cuft box, used RSS210HF and a visaton waveguide.…

---

## [Upgraded Work Radio](https://discourse.midwestaudio.club/t/upgraded-work-radio/237)

<div class="topic-metadata">

**Author:** [@Kornbread](https://discourse.midwestaudio.club/u/Kornbread)\
**Replies:** 6\
**Last updated:** [October 23, 2025, 10:20pm UTC](https://discourse.midwestaudio.club/t/upgraded-work-radio/237 "2025-10-23T22:20:56Z")

</div>

This stuff finally came together … Adau1701 and expansion board. Mid/tweet are passive, woofer is active; Since the amp boards have no bluetooth; To power the bluetooth board; The first amp board was a 3cha…

---

## [Things must go. $$$](https://discourse.midwestaudio.club/t/things-must-go/198)

<div class="topic-metadata">

**Author:** [@Hifiside](https://discourse.midwestaudio.club/u/Hifiside)\
**Replies:** 9\
**Last updated:** [October 17, 2025, 1:36am UTC](https://discourse.midwestaudio.club/t/things-must-go/198 "2025-10-17T01:36:31Z")

</div>

I have to much stuff. I need a thread to get rid of things. This will be it.

---

## [Winding bifilar coils](https://discourse.midwestaudio.club/t/winding-bifilar-coils/68)

<div class="topic-metadata">

**Author:** [@Wolf](https://discourse.midwestaudio.club/u/Wolf)\
**Replies:** 17\
**Last updated:** [October 16, 2025, 8:21am UTC](https://discourse.midwestaudio.club/t/winding-bifilar-coils/68 "2025-10-16T08:21:17Z")

</div>

Figured I’d post these up to see how the image loader works. I’ve wanted to do a pair of bifilar coils for a bit, but bever before had 2 spools of the same gauge. Since I had a spool of “blue (dry-oil)” \[looks teal in c…

---

## [ZAX, A High Performance 3-way Satellite Speaker](https://discourse.midwestaudio.club/t/zax-a-high-performance-3-way-satellite-speaker/71)

<div class="topic-metadata">

**Author:** [@JasonP](https://discourse.midwestaudio.club/u/JasonP)\
**Replies:** 45\
**Last updated:** [October 16, 2025, 12:38am UTC](https://discourse.midwestaudio.club/t/zax-a-high-performance-3-way-satellite-speaker/71 "2025-10-16T00:38:34Z")

</div>

Once again! (Driver change!) Here is the concept: it is a tribute to Zaph / John Krutke of zaphaudio.com fame, and featuring his ZA14 midbass driver as its midrange: To round out that driver, in the ‘high performanc…

[Next page](https://discourse.midwestaudio.club/tag/passive-xover/12.md?match_all_tags=true&page=1&tags%5B%5D=passive-xover)