Sold SI BM 10s (re-cones with new parts)

sundownz
Pro Seller

Supporting Vendor
Rating: 0%
0 0 0
I bought out all of the QC failed SI BM 10s (old models) and re-built them with several changes:

1) Slightly longer flat-wound coil (original was round wire) - USA made coils

2) Narrower / Taller Surround

3) Tied down tinsel leads

Measured T/S Specs (coils in series):

RE: 6.89 ohms

Z: 8 ohms

Fs: 27.2 Hz

Qes: 0.56

Qms: 3.32

Qts: 0.48

Le: 2.8 mH

Vas: 31.1 L

BL: 16.2 NA

Mms: 124 grams

Power: 400 watts RMS

0.95 ft^3 SEALED BOX - F3 of 41 Hz

1.5 ft^3 ported tuned to 30 - 35 Hz for high output

CIMG1239.JPG


CIMG1241.JPG


I have about 40 of these...

$125 shipped in the continental USA for one

$240 shipped in the continental USA for two

$440 shipped in the continental USA for four

Ask about more than that!

 
PS: I can build re-cones for them for a while as I did get about 25 sets of extra parts! They are pretty tough with a 2.5" diameter flat coil, though //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

Nice sounding drivers too!

 
PS: I can build re-cones for them for a while as I did get about 25 sets of extra parts! They are pretty tough with a 2.5" diameter flat coil, though //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
Nice sounding drivers too!

can you do an 8"?

//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 
can you do an 8"? //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
Nope - all the parts are for 10" models.

Perhaps I could do a custom deal if you had your own 8" 12-spoke basket... cut out an E8 cone and spider or something.

 
Nope - all the parts are for 10" models.
Perhaps I could do a custom deal if you had your own 8" 12-spoke basket... cut out an E8 cone and spider or something.


ah , i dont have any baskets...or parts. //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif

oh well , bump for a friggen great guy with great products.

 
Activity
No one is currently typing a reply...
Old Thread: Please note, there have been no replies in this thread for over 3 years!
Content in this thread may no longer be relevant.
Perhaps it would be better to start a new thread instead.

About this thread

sundownz

Pro Seller
Supporting Vendor
Thread starter
sundownz
Joined
Location
North Carolina
Start date
Participants
Who Replied
Replies
37
Views
2,057
Last reply date
Last reply from
sundownz
IMG_20260516_193114554_HDR.jpg

sherbanater

    May 16, 2026
  • 0
  • 0
IMG_20260516_192955471_HDR.jpg

sherbanater

    May 16, 2026
  • 0
  • 0

New threads

Top