Tempest was $140 USD minus a 5% discount. AVA250 was $179 USD minus a 5% discount Shipping by UPS Standard (7day ground) was $40.90 USD

Which totals $343.95 USD. On my Visa this showed up as $540.84 CDN.

Add to that $78.40 CDN for tax and border fees.

Sonotube was $40 for 12 feet. Shortest length they would sell.

The 6" section 40 PVC pipe was $20.

The threaded rod, plate steel, nuts washers and coupling nuts were just under $30.

The insulation and polyfill was just under $15.

The MDF (4'x4') was $13.

Stuff to mount the driver (widgets and screws) was $25.

Fabric for the sock was $25.

Silicon, weather stripping and Glue was about $15.

Paint was about $25.

So grand total approximately $830 CDN which is about $525 USD.