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PEX GRS Phenolic Ring Tweeter Replacement for AR 4X CTS Marantz and More 8 Ohm P2352481PEX-270-252 https://cdnimages.opentip.com/full/PEX/PEX-270-252.jpg GRS Phenolic Ring Tweeter Replacement for AR 4X CTS Marantz and More 8 Ohm Manufacturer Part Number: PRT-8At last, a faithful reproduction of the classic \"phenolic ring\" tweeter developed by CTS and used by Marantz, Altec, Martin, Acoustic Research and many others!Key Features: Modern reproduction of the famous CTS design used by Marantz, Altec, and many others High efficiency and smooth response Restore your classic speaker system from the Seventies! Phenolic Ring Tweeter Replacement for AR-4X CTS Marantz and More 8 OhmAt last, a faithful reproduction of the classic \"phenolic ring\" tweeter developed by CTS and used by Marantz, Altec, and many others! High efficiency and smooth, extended response. Extremely versatile; great for repairing older systems or for new custom projects. Low-mass paper cone and dust cap, 3/4\" voice coil, and stamped steel faceplate. 8 ohm nominal impedance. This is a drop in replacement for the Marantz Imperial Series cabinet speakers models Marantz Imperial 4, 5, 6, 6G, 7, 8, and 9 with common part numbers 137-7348N, 137-7350, 137-7816, and 841-1022 and HLM312A. Also used in Radio Shack Nova series cabinets Nova 7b as well as the Altec Lansing Santana 891 speakers, RSL Rogersound Labs, Acoustic Research AR 4x, Martin Speakers, and Rectilinear XI Cabinets from the 70\'s.Product Details BrandGRS ModelPRT-8 Part Number270-252 UPC844632084362 Unit of MeasureEach Weight1 Product Specifications Cone / Dome Diameter2\" Cutout Diameter3.19 Tweeter TypePaper Cone Power Handling (RMS)30 Watts Impedance8Ω Frequency Response2,000 to 15,000Hz Sensitivity90.3dB 2.83V/1m Thiele-Small Parameters Resonant Frequency (Fs)1084Hz DC Resistance (Re)6.9Ω Mounting Information Overall Outside Diameter4.25\" Depth1.25\" 2352481 844632084362 1.0000lbs 0.00 0.00 0.00
GRS
17.98 2025-04-18 178 In Stock
customer review - by , June 6, 2018
5/ 5stars
Got these to replace the decaying “low” tweeters in my ‘70s-era Ohm L bookshelf speakers. Cleaned the mid-highs up perfectly and they look just like the originals. Great!

GRS Phenolic Ring Tweeter Replacement for AR-4X CTS Marantz and More 8 Ohm

stars Rating 5 | 1 reviews
Brand GRS
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UPC: 844632084362
SKU: PEX-270-252
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Product Description

Manufacturer Part Number: PRT-8

At last, a faithful reproduction of the classic "phenolic ring" tweeter developed by CTS and used by Marantz, Altec, Martin, Acoustic Research and many others!

Key Features:
  • Modern reproduction of the famous CTS design used by Marantz, Altec, and many others
  • High efficiency and smooth response
  • Restore your classic speaker system from the Seventies!


Phenolic Ring Tweeter Replacement for AR-4X CTS Marantz and More 8 Ohm

At last, a faithful reproduction of the classic "phenolic ring" tweeter developed by CTS and used by Marantz, Altec, and many others! High efficiency and smooth, extended response. Extremely versatile; great for repairing older systems or for new custom projects. Low-mass paper cone and dust cap, 3/4" voice coil, and stamped steel faceplate. 8 ohm nominal impedance. This is a drop in replacement for the Marantz Imperial Series cabinet speakers models Marantz Imperial 4, 5, 6, 6G, 7, 8, and 9 with common part numbers 137-7348N, 137-7350, 137-7816, and 841-1022 and HLM312A. Also used in Radio Shack Nova series cabinets Nova 7b as well as the Altec Lansing Santana 891 speakers, RSL Rogersound Labs, Acoustic Research AR 4x, Martin Speakers, and Rectilinear XI Cabinets from the 70's.

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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By ChrisO
Date: June 10, 2018
Got these to replace the decaying “low” tweeters in my ‘70s-era Ohm L bookshelf speakers. Cleaned the mid-highs up perfectly and they look just like the originals. Great!
Rating: 5 stars [5 of 5 Stars!]
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