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Old 6th May 2008, 04:01 PM   #1
SGD is offline SGD  United Kingdom
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Default linaeum tweeters ET-6A

i have just now recieved a pair of these and am intent on making a pair of bookshelf spkers using them, however i have been unable to find ANY specifications online and aurasound have been unable to help.

has anyone here had any expereince with them and any info they could give me on their specifications???
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Old 6th May 2008, 04:42 PM   #2
gni is offline gni  United States
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There was a review of the Radio Shack use of the tweeter
several years ago.

Stereophile Review of Radio Shack speaker


From the review:

Quote:
while a 6.2F plastic-film series capacitor keeps LF from the tweeter.
Quote:
Description: Two-way, stand- or bookshelf-mounted, reflex-loaded box loudspeaker. Drive-units: 5" polypropylene-cone bass/midrange; 2" by 4" Linaeum dipole tweeter. Measured crossover frequency: 45kHz. Frequency range: 85Hz20kHz (no limits given). Measured sensitivity: 81.5dB/2.83V/m (B-weighted). Nominal impedance: 8 ohms. Amplifier requirements: 100W recommended maximum.


Quote:
The Linaeum tweeter comes in sharply above 2kHz, but on-axis at least, its output is down in level and looks very ragged.
That might give you a starting point.
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Old 6th May 2008, 06:36 PM   #3
SGD is offline SGD  United Kingdom
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unfortunity the tweeters i have are aurasounds later version, 6 ohm and, err thats everything i have on them right now, unless i get some help i guess my only way forward is to get them measured (and no i really dont want to have to do this)
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Old 6th May 2008, 07:14 PM   #4
adason is offline adason  United States
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I am pretty certain I have radio shack brochure at home. I bought them while back. Give me some time, I will find it for you and scan it.
ed
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Old 7th May 2008, 10:31 AM   #5
adason is offline adason  United States
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still looking, can't find that folder
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Old 7th May 2008, 10:46 AM   #6
adason is offline adason  United States
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Optimus Dipole Tweeter
(400-1389) Specifications Faxback Doc. # 34989

Magnet Weight: ........................................... 2.8 oz (79.2 g)

Speaker Weight: .......................................... 14.8 oz (420 g)

Power Handling: ........................................... 50 Watts (RMS)

Maximum Power: ................................................. 100 Watts

Impedance: .............................................. 8 Ohms (Nominal)

Freq. Response: ........................................ 2,500 Hz - 25 kHz

Crossover Frequency: ............................................. 2.5 kHz

Capacitor Type: .............................. Bipolar Electrolytic 4.7 uF


(YO/EB 11/1/96)
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Old 7th May 2008, 10:48 AM   #7
adason is offline adason  United States
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scan
Attached Files
File Type: pdf dipole tweeter.pdf (52.2 KB, 196 views)
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Old 7th May 2008, 02:47 PM   #8
SGD is offline SGD  United Kingdom
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thank you for your help, alas the driver i have is the aurasound et-6.

i have contacted wilmslow audio who will measure one driver and provide all the measurements.

anyone searching for these specs can email me and i will provide them, i will also try and get them hosted online and i shall provide a link later if iam succesful.

samuelduncan1983@hotmail.com
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