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4.75" Acoustic Research Genuine .75" Dome Tweeter, AR3a, AR9, Others, 12000840

Part Number:AR-12000840
4.75" Acoustic Research Genuine .75" Dome Tweeter, AR3a, AR9, Others, 12000840
AR Tweeter 12000840
4.75" Acoustic Research Genuine .75" Dome Tweeter, AR3a, AR9, Others, 12000840
Your Price:$79.00
List Price:$94.00
You Save:$15.00

Availability:

In Stock
Factory Acoustic Research Speaker Dome Tweeter Part # 12000840

  • Special 3 hole mount, rear connection tabs
  • New Acoustic Research design, .75" fabric soft dome
  • Replaces old AR designs with .75" paper domes and phenolic domes
  • Size: 4.75"
  • Hole cut-out: 3.75"
  • Depth: 1"
  • Voice Coil: .75"
  • Magnet: 12 oz
  • Impedance: 4 ohms, Re: 3.9 ohms
  • Power: 80 watts RMS, 120 watts max
  • Response: 5 kHz - 20 kHz
  • Sensitivity: 87 dB
5 Stars
Ar12000840dometweeter
Love the new tweeter I bought the ar12000840 dome tweeter perfect for my rtr 240 d I bought the replacement woofers for another pair of rtr I'll let you know how I like when I get them but everything has been great thanks
Did you find this helpful?  1 of 1 Found Helpful
Reviewed by:  from Fairport. on 2/4/2017
5/5
5 Stars
AR3a Tweeters
Brilliant tweeters. I've finally completed the refurbishment of my AR 3a speakers with the OEM dome Tweeters. I'd previously used the re-foam kit from Simply Speakers on the Woofers. The midrange are original untouched. I also built a new set of crossovers - to get rid of the noisy switch mechanism and I replaced all the components. I'm extremely pleased with the result. Clear, well integrated sound and a joy to listen to. I've found the best placement is to put the speakers on their sides (as shown in the original brochures). I believe you get a more consistent sound with that alignment. I found the midrange tended to dominate the sound when the speakers are positioned upright. Great to have these 60's speakers singing again.
Did you find this helpful?  1 of 1 Found Helpful
Reviewed by:  from Harrogate, UK. on 12/17/2015
5/5
5 Stars
Retired
Very Good Replacement sounds great.
Did you find this helpful?  1 of 1 Found Helpful
Reviewed by:  from Clearfield Utah. on 5/6/2015
5/5
5 Stars
AR 90 speaker owner
I replaced two 35 years old original AR 90 tweeters with AR-12000840 4.75" replacement from Simply Speakers. Sounding is smoother in high end notes now which I missed them for very long times. However, little distortion is now more noticeable coming from the midrange drive. Because in AR90 4- way design, most of the sound is produced by the high-midrange tweeter instead of normally by the 8" midrange woofer. I will replace them soon and hope to restore its glory. Kim
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Reviewed by:  from Los Angeles. on 8/24/2017
5/5
5 Stars
*
One of my original tweeters was damaged, so I replaced both to make sure the performance matched. The tweeters worked perfectly and provided (as close as my ears could compare) the sound of the original units. The mounting holes matched perfectly, though I did have to modify the cabinets, as the original units have front facing connections and the replacements had connections on the rear. I also installed new foam surrounds on the woofers, midrange and tweeter pots, cross-over capacitors, and fiberglass insulation. The restoration project was a total success!
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Reviewed by:  from Illinois. on 1/16/2017
5/5

UPC:

700621988366

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