HexiBox Series: Retro
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A 1990's inspired isobarically-loaded computer speaker based on the Tectonic BMR80C-8, works with Dayton Audio PC83-8.
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Aktualizacja u źródła:
Informacje o modelu
- Źródło
- Printables
- Kategoria
- Audio
- Licencja
- Creative Commons — Attribution
As seen on X and YouTube:
Designed for use with a pair of the Tectonic BMR80C-8 full range drivers or a pair of the Dayton Audio PC83-8 full range drivers, depending on availability. Usable overall bandwidth of 55Hz - 20kHz in the nearfield.
The Tectonic BMR80C-8 is the primary driver choice for this design and is suitable for playing at high volume. The Dayton Audio is the alternate driver choice and is suitable for playing at low-to-medium volume sounding nearly identical. (At high volume, the PC83 version is prone to distortion.)
Warning: These speakers should not be used next to an authentic CRT monitor as they are not magnetically shielded.
Tectonic BMR80C-8 driver:
https://www.tectonicaudiolabs.com/product-family/bmr80c-family
(or) Dayton Audio PC83-8 driver:
https://www.parts-express.com/Dayton-Audio-PC83-8-3-Full-Range-Poly-Cone-Driver-295-156
M4x8 Threaded Inserts:
https://cnckitchenus.store/products/heat-set-insert-m4-x-8-1-50-pieces
M4x12 Screws:
https://www.amazon.com/dp/B0DYSY5K7T
M4x8 Screws:
https://www.amazon.com/dp/B0DYSM2K11
Hilitchi Binding Posts Terminals:
https://www.amazon.com/gp/product/B07PFMD1N2/
Reusable Adhesive:
https://www.amazon.com/dp/B001FGLX72
8x2mm Neodymium Magnets:
https://www.harborfreight.com/10-piece-rare-earth-magnets-67488.html
18 AWG Wire:
https://www.amazon.com/dp/B07CKVXHB5
Recommended printing settings:
PLA is okay; PETG is better.
At least 6 perimeters / walls / loops all the way around.
At least 20% gyroid infill. (40% recommended.)
Disclaimer: This is an acoustic model. As such, it does not scale, nor is it compatible with drivers other than the ones specified. Scaling / incorrect driver(s) will result in significantly diminished performance.
Assembly notes:
Wiring / DSP / amplification:
Retro is an isobaric speaker. Each enclosure requires a pair of the Tectonic BMR80C-8 drivers, or a pair of the Dayton Audio PC83-8 drivers. The two 8 ohm drivers are wired in parallel; positive-to-positive, negative-to-negative, creating a 4 ohm ISO group.
The Tectonic BMR80C-8 version of this design can be paired with a 100W per channel amplifier.
The Dayton Audio PC83-8 version of this design can be paired with a 50W per channel amplifier.
No DSP required; start with the bass & treble knobs set flat (noon position) and adjust to taste.
If DSP is available, apply a 55Hz high pass filter to protect the drivers.