Jump to content

Zaph Hi-Vi B3S single driver BlueTooth speaker

Recommended Posts

I've made a few of the Zaph Audio Hi-Vi B3 speakers before. I use the B3N because it looks better. Here's my first effort https://community.classicspeakerpages.net/topic/8473-polk-psw-200-auto-parts-store-resto-zaph-satellites/#comment-104142I also made a pair to use as surround speakers in my HT. But I had one cabinet left over. What to do with that?

Recently I built my first BlueTooth speaker, written up here: https://community.classicspeakerpages.net/topic/20094-bluetooth-mini-guitar-amp/.  So it seemed logical to make a single Zaph speaker as a BlueTooth.

Cabinet is solid oak. Rear panel is Masonite. Driver is a B3N. BT amp board, Battery board, LED kit, cable kit, DC power supply are all from PE just like the "guitar amp" speaker. I put a grille on this to protect the driver but the ones from PE interfered with the surround so I found some on Amazon that work.

Filter network was built on a small breadboard. These were all parts from my parts bins:

  • 2 Dayton resistors (30 ohm, 8 ohm)
  • 4.3uF made up of a 2.7 and 1.5 (I figure 4.2 is close enough)
  • 0.08mH inductor is a 1.0 unwound to 0.08, the 0.8mH is a spare part of unknown origin.

On the back panel there are the volume control with a salvaged knob, on/off switch, Aux in, green BT reset button, Red charging LED and socket for the power supply.

I think the Zaph design sounds great. I have a couple of commercial BT speakers that I use outside in the summer but this one sounds far superior IMHO.


Zaph BT 00010.jpg

Zaph BT Back Plate 00002.jpg

Zaph BT XO Front 00001.jpg

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...