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Finally, an affordable drop-in replacement for those vintage KSN1016A piezos! GRS piezo tweeters are built using a 22 mm ceramic piezo element, to the original CTS specifications.
The GRS 1TM-4 Mylar dome tweeter is an ultra-economical solution for replacing the Mylar tweeters found in literally thousands of speakers.
The GRS 3FR-4 3" driver makes a great economical replacement full-range speaker for devices like multimedia speakers, table radios, and home theater soundbar systems. It’s also an excellent choice for new designs. 4 ohm impedance.
The GRS 4FR-8 is perfect for compact designs that require wide-bandwidth, high-sensitivity performance at an economical price. It’s also a drop-in replacement for other popular 4-1/2" full-range drivers.
The GRS 5SBM-8 5" sealed back midrange speaker is a perfect replacement for many popular 3-way and 4-way loudspeaker systems produced during the last couple of decades.
The 5SBM1-8 5-1/4" sealed back midrange from GRS makes a great choice for use in higher output 3-way designs. With a common size and 8 ohm impedance this midrange is also an ideal replacement for many classic 3-way speaker systems.
The GRS 8FR-8 full-range 8" speaker is engineered to withstand rigorous commercial use, but will also deliver great results when used in point-source hi-fi applications.
The GRS 8PR-8 8" woofer features a polypropylene cone and a rubber surround. It performs admirably in sealed-box speaker applications.
GRS 6PR-8 6-1/2" polypropylene cone woofers with butyl rubber surrounds are great replacement speakers, but also provide excellent performance in new projects.
A GRS 12PR-8 12" 8 ohm polypropylene cone woofer is a good, economical way to repair older speaker systems or create new projects.
Many popular, classic 10" speaker designs can be replaced or upgraded with a GRS 10PR-8 poly cone woofer.
The GRS 15PR-8 speaker is the best choice you can make if you need to replace a worn out, blown 15" woofer.
GRS 12PF-8 12" poly-laminated paper cone woofers are perfect for use in sealed-box home theater and music systems.
GRS 10PF-8 10" paper cone woofers are ideal replacement speakers for use in sealed-box loudspeaker systems in almost any application.
If you are looking for a low-cost, high-performance 8" replacement speaker, check out the GRS 8PF-8!
All the sound you need thanks to their carefully optimized parameters, the GRS 6PF-8 6-1/2" poly-laminated paper cone woofers offer a high degree of compatibility when used as replacement speakers—they also provide excellent performance in new projects, t
Thanks to their carefully optimized parameters, GRS 4PF-8 4" poly-laminated paper cone woofers offer a high degree of compatibility when used as replacement speakers.
Thanks to their carefully optimized parameters, GRS 4PF-8 4" poly-laminated paper cone woofers offer a high degree of compatibility when used as replacement speakers.
This driver's parameters were carefully optimized to match the performance of the classic Bose® 901® loudspeaker systems. Individually or in multiples, replacing your legendary but aging speakers has never been easier—or achieved better results.
A perfect replacement woofer for classic hi-fi loudspeakers! The oversized decorative squared-off frame accommodates a wide variety of OEM driver cutouts.
A perfect replacement woofer for classic hi-fi loudspeakers! The oversized decorative squared-off frame accommodates a wide variety of OEM driver cutouts.
A perfect replacement woofer for classic hi-fi loudspeakers! The oversized decorative squared-off frame accommodates a wide variety of OEM driver cutouts.
We've produced a 15" driver that features the same warm, thundering sound characteristics as the original, but thanks to contemporary materials and technology will last far longer.
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!
