Gamber-Johnson cabs with Rola 12" full range - diyAudio
Go Back   Home > Forums > Loudspeakers > Full Range
Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Thread Tools Search this Thread
Old 18th November 2013, 02:05 PM   #1
diyAudio Member
Join Date: Feb 2011
Location: Atlanta, USA
Default Gamber-Johnson cabs with Rola 12" full range

I recently picked up a pair of gorgeous MCM Gamber-Johnson Ovation series speaker cabinets stuffed with 12 inch Rola drivers. There is almost zero info out there on these and I wonder if anyone here has any info. My best guess is that this combo was put together in the early to mid sixties. I did find a sold pair on the auction site, but that doesn't tell me much. They sound very nice for a fifty year old speaker. The cabinet has an adjustable port size opening, because you could order it with a 15", or use the adapter plate and run a 12".

I want to do two things with these speakers:

1. Adjust the port size to the optimum opening.
2. Add a "period appropriate" tweeter.

Any suggestions, comments etc. are welcome.
  Reply With Quote


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
12" Full Range Speaker Recomendation Help c208driver Full Range 15 24th October 2013 02:04 AM
Recommendation for a full range 12" for First Watt amp mr_macgee Full Range 33 17th February 2013 05:37 PM
Wanted 12"x 2 full range drivers pedro11 Full Range 3 11th March 2012 02:25 PM
FS: Full Range Enclosures (19"w x 10.5"h x 12"d) axissilverhand Swap Meet 0 19th December 2010 12:01 AM
12" full range. help needed superfunk Full Range 14 17th March 2010 07:08 PM

New To Site? Need Help?

All times are GMT. The time now is 09:18 PM.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright 1999-2017 diyAudio

Content Relevant URLs by vBSEO 3.3.2