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Old 12th March 2012, 07:30 PM   #1
Dave R is offline Dave R  United States
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Default help Identifying speaker - International Electronics

I was given my ex-father-in-law's speaker, and was trying to find out more about it. From what I understood, he got it in the late 60's or early 70's for a mono (not stereo) setup.

The info I'm able to get from the cabinet is the following:

Manufacturer: International Electronics, Cleveland Ohio
Model Number: Professional Series 8

Cabinet Dimensions
External: 21.5 x 12 x 9.5
Internal: 20 x 10.5 x 7 (24 liters, not counting woofer and port displacements)

port: 4" ID x 5.25 long

The only part number I can find on the driver is on the back of the cone:
21981

Here are some pictures of the cabinet markings and the driver, and measurements I made with a WT3.

Can anyone identify the driver used in this speaker?
Attached Images
File Type: jpg emblem_8.JPG (96.7 KB, 78 views)
File Type: jpg mfr_8.jpg (35.0 KB, 76 views)
File Type: jpg front_8.JPG (109.9 KB, 77 views)
File Type: jpg rear_8.JPG (91.7 KB, 76 views)
File Type: jpg meas_7p5.JPG (94.8 KB, 74 views)
File Type: jpg IE_8_imp.jpg (95.4 KB, 32 views)
File Type: jpg IE_8_TS.jpg (60.9 KB, 33 views)
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Last edited by Dave R; 12th March 2012 at 07:33 PM.
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Old 17th March 2012, 04:39 AM   #2
Dave R is offline Dave R  United States
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I found a similar 8" full range made by Beyma. Maybe the one I have is an earlier version.
http://profesional.beyma.com/ingles/pdf/8AGN.pdf

Anyway, the Beyma might be similar enough to match up for a pair of shop speakers.
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Old 17th March 2012, 07:48 AM   #3
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From the construction, Made in USA. The number is one digit short of an EIA code.

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Old 17th March 2012, 11:20 PM   #4
Dave R is offline Dave R  United States
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Another search led me to flea-bay. Basket, magnet, cone, and whizzer all more closely resemble this Jensen 8-incher

Vintage 8" Jensen Pro C-855 Two-Way Coaxail Full Range Speaker - Excellent C855 | eBay
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