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#soundbox

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LAYERED<p>However, my new designed USB DAC pcb fits very well in my <a href="https://chaos.social/tags/NeXT" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NeXT</span></a> <a href="https://chaos.social/tags/SoundBox" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SoundBox</span></a> mini case.</p><p><a href="https://chaos.social/tags/electronic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronic</span></a> <a href="https://chaos.social/tags/pcb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pcb</span></a> <a href="https://chaos.social/tags/USB" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>USB</span></a> <a href="https://chaos.social/tags/Electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Electronics</span></a> <a href="https://chaos.social/tags/PCBDesign" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PCBDesign</span></a></p>
LAYERED<p>So, this is the final version of my <a href="https://chaos.social/tags/NeXT" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NeXT</span></a> <a href="https://chaos.social/tags/SoundBox" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SoundBox</span></a> mini (watch the live rendering). I have printed some versions and now assembling the parts. When it's done, I will share some photographs.</p><p>The driver I'm using here is a “Techtonic TEBM28C10-4B" BMR [1]. BMR stands for “Balanced Mode Radiator”. These full range drivers has - imho - a way better sound than the "classic" ones.</p><p><a href="https://chaos.social/tags/3DPrint" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>3DPrint</span></a> <a href="https://chaos.social/tags/3DPrinting" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>3DPrinting</span></a></p><p><a href="https://collaborate.shapr3d.com/v/oi-OJznjVC02NejS8d6vJ" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">collaborate.shapr3d.com/v/oi-O</span><span class="invisible">JznjVC02NejS8d6vJ</span></a></p><p>[1] <a href="https://www.tectonicaudiolabs.com/product-family/tebm28c-family" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">tectonicaudiolabs.com/product-</span><span class="invisible">family/tebm28c-family</span></a></p>
LAYERED<p>My <a href="https://chaos.social/tags/NeXT" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NeXT</span></a> <a href="https://chaos.social/tags/SoundBox" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SoundBox</span></a> mini is taking shape. I think I managed to define the right hole size for the speaker grill without looking too odd. Just the NeXT logo is missing.</p><p>Next challenge: I would like to reverse engineer the PCB for the USB audio bridge with mono amplifier from a cheap USB speaker I bought at Amazon.</p><p>The speaker driver I will use is a Tectonic TEBM28C10-4.</p><p>Watch the live render here:<br><a href="https://collaborate.shapr3d.com/v/oi-OJznjVC02NejS8d6vJ" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">collaborate.shapr3d.com/v/oi-O</span><span class="invisible">JznjVC02NejS8d6vJ</span></a></p><p>What do you think?</p>
LAYERED<p>I’m a bit torn on how I should design the interior of my <a href="https://chaos.social/tags/NeXT" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NeXT</span></a> <a href="https://chaos.social/tags/SoundBox" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SoundBox</span></a> mini. There are two possibilities:</p><p>[1] Simply install a speaker driver and terminals on the housing.</p><p>[2] Install a speaker driver and small amplifier.</p><p>Version [1] is simple and straightforward. The Raspberry Pi in the NeXTcube gets an amplifier HAT (e.g. HiFiBerry) and that’s it.</p><p>Version [2] is more complicated, because I’d need a power supply, which I actually want to avoid, since it means a second cable.</p><p>🤔</p>
LAYERED<p>Not yet finished, but a first take. The <a href="https://chaos.social/tags/NeXT" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NeXT</span></a> <a href="https://chaos.social/tags/SoundBox" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SoundBox</span></a> mini, scaled 1:2.</p><p>Watch th elive render here:<br><a href="https://collaborate.shapr3d.com/v/oi-OJznjVC02NejS8d6vJ" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">collaborate.shapr3d.com/v/oi-O</span><span class="invisible">JznjVC02NejS8d6vJ</span></a></p>
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