LumberJocks

Purpleheart amp cabinet

  • Advertise with us
Project by xaq19 posted 11-30-2020 01:36 PM 500 views 0 times favorited 8 comments Add to Favorites Watch

A co-worker commissioned me to build a new amp cabinet for his tube amp. I learned a lot from this project including how sound changes with wood type and how to correctly wire a cabinet setup. The biggest lesson I learned from this project is to never use purpleheart…ever.

-- As the child of a woodworking instructor, I should have paid more attention...





8 comments so far

View 489tad's profile

489tad

3965 posts in 3980 days


#1 posted 11-30-2020 02:38 PM

The cabinet looks great. What problems did you have with the Purple Heart? I was gifted a big board of it,

-- Dan, Naperville IL, I.G.N.

View Planeman40's profile

Planeman40

1532 posts in 3729 days


#2 posted 11-30-2020 02:53 PM

Purpleheart is hard and brittle as a wood. It also changes color as it ages from purple to a muddy redish brown. Some say putting it out in direct sunlight will bring back the purple, but it will always revert to redish brown over time. I have used it and have experienced the above.

-- Always remember: It is a mathematical certainty that half the people in this country are below average in intelligence!

View xaq19's profile

xaq19

3 posts in 57 days


#3 posted 11-30-2020 03:18 PM


The cabinet looks great. What problems did you have with the Purple Heart? I was gifted a big board of it,

- 489tad

First off, thank you. Planeman40 hit the nail on the head (pun intended) with the issues purpleheart can present. It is heavy, brittle, and burns really easy and pretty deep. I spent a lot of time during this project patching broken pieces and sanding out the burn marks. I told my friend the color would change over time so that wasn’t much of an issue and I’m actually surprised how well the purple color has held up over time. The biggest issue with this build is that it is his “gigging amp” so he has to move it around a lot. Being a dense wood helps minimize the vibration which creates a cleaner sound, but also makes it a bit of a bear to transport. Here is a link to my build process if you are interested in the the build process (including my struggles).
https://imgur.com/gallery/DhJ13

Thanks again for looking.

-- As the child of a woodworking instructor, I should have paid more attention...

View splintergroup's profile

splintergroup

4365 posts in 2190 days


#4 posted 11-30-2020 07:21 PM



.... The biggest lesson I learned from this project is to never use purpleheart…ever.

- xaq19

8^)
Amen! With the burning through the DS and on the table saw (when the wood has anything you’d call figure) I always think twice before touching it (but I always fail that test in the end)

The boxes look great, a dense wood like PH is ideal for vibration control.

View Foghorn's profile

Foghorn

910 posts in 355 days


#5 posted 12-01-2020 01:33 AM

I’ve used purpleheart a few times. It rivals wenge for the ultimate splinters. Hard stuff. I used it for binding on a ukulele I built 10 years ago. Still purple. If you keep it out of the sun, the color lasts a lot longer just like many woods.

-- Darrel

View xaq19's profile

xaq19

3 posts in 57 days


#6 posted 12-01-2020 04:34 PM



I ve used purpleheart a few times. It rivals wenge for the ultimate splinters. Hard stuff. I used it for binding on a ukulele I built 10 years ago. Still purple. If you keep it out of the sun, the color lasts a lot longer just like many woods.

- Foghorn

That is beautiful, really nice work.

-- As the child of a woodworking instructor, I should have paid more attention...

View Foghorn's profile

Foghorn

910 posts in 355 days


#7 posted 12-01-2020 05:51 PM

That is beautiful, really nice work.

- xaq19

I ve used purpleheart a few times. It rivals wenge for the ultimate splinters. Hard stuff. I used it for binding on a ukulele I built 10 years ago. Still purple. If you keep it out of the sun, the color lasts a lot longer just like many woods.

- Foghorn

That is beautiful, really nice work.

- xaq19


Thanks. Your project reminds me that I still have a cabinet on the list for my Blues Junior. Great looking cabinets. They must be a little heavy. Hope you didn’t get too many splinters building them!

-- Darrel

View dannmarks's profile

dannmarks

1023 posts in 1550 days


#8 posted 12-06-2020 07:06 PM

Fun to see good work for fun stuff.

Have your say...

You must be signed in to post the comments.

DISCLAIMER: Any posts on LJ are posted by individuals acting in their own right and do not necessarily reflect the views of LJ. LJ will not be held liable for the actions of any user.

Latest Projects | Latest Blog Entries | Latest Forum Topics

HomeRefurbers.com