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2023 Speaker & Amp Camp, Sebastopol, CA: July 8, 2023

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Speaker Camp

With Optional Amp Camp Amp Build
Saturday, July 8, 2023
Sebastopol, California

About 1½ hours north of San Francisco, site of the 2008 and 2022 Speaker Camps and the 2012 Amp Camp

The build: Moth Full Range in SLOB Open Baffle with Eminence 15” bass as featured in the Pass Lounge at Burning Amp Festival. Two-way active design requires 4 channels of amplification. Analog active crossover is included in the kit!

Open baffle in cherry wood with black base:

Note: Full-range driver will be a Moth, not the one shown in these pictures.

This is an easy build that can be done by a beginner. Unfortunately, this build is likely too expensive for many younger beginners. We encourage campers to bring novice family members and friends to participate/observe in the process. Previous Camps had several attendees that were in elementary, middle and high school and everyone benefited from their participation.

Price is $750 for the Speaker Build

This is at or below cost of materials, resulting from a great deal of support from Nelson Pass, who is planning to be in attendance at the camp.

21 spots available


Amp Camp

We also have Amp Camp Amp Redux (ACA) Kits that are perfect for powering the full range drivers!

Price is $220 per two channel ACA Redux Kit

Tools and Supplies Needed to Build the SLOBS and ACAs will be provided.

Details (please read!):

  • Please indicate your interest by responding to the announcement either emailed to you or on on DIY Audio.
  • There will be a lottery to choose participants.
  • If chosen, you will need to pay $750 by June 15, 2023 to keep your spot.
  • Spots that open after June 15 will be filled with other lottery participants, moving down the list.
  • If you don’t initially get a spot, there is still hope (see above).
  • If you can’t make it to the camp for whatever reason, you will still be able to come collect the entire kit and take it home to build.
  • Sorry, no refunds.
  • Sorry, no shipping of speaker kits. They must be taken away from the camp site after the build or picked up if for some reason you miss the build.
  • Car and tent camping at the site is fine the night before and the night following the camp. There is one bathroom out in the barn available for freshening up, otherwise try to be as boondocking-capable as you can.
  • Bring family and friends to observe or participate as appropriate. Any children in attendance will need supervision away from the build area.
  • The Moth full range driver is in a relatively small open baffle. The downward facing Eminence bass driver is slot-loaded.
  • For best listening the speakers should be placed so the baffle is three feet or more away from the wall (so 1 ½’ from the rear of the bass driver to the wall).

Per Dana Brock of Speaker & Amp Camp:

The speakers to be built are an open baffle designed by Nelson Pass.  A Moth full range driver is paired with an Eminence Beta 15A bass driver in an open baffle/slot loaded configuration.  An active crossover also designed by Nelson Pass for the drivers is provided.  The system requires four channels of amplification.  The cabinets are nicely made in a cherry veneer.

In addition to the speaker build, an amplifier build is also offered at the camp.  It is a variation of the “Amp Camp Amp (ACA)” designed by Nelson Pass, this time in a simple configuration fabricated by Nelson Brock.

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