View all
View all
GRS PRT-8 Replacement Phenolic Ring Tweeter
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!
- Impedance (Z)
- 8 Ω
- Power Handling (RMS)
- 30 Watts
- Frequency response
- 2,000-15,000 Hz
€26.95
15 in stock
Delivery options and total cost confirmed at checkout.
Ask us to check connections, dimensions and compatibility before you order.
Get compatibility adviceHighlights
- 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!
Product details
GRS PRT-8 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.
Specifications
| Article number | PRT-8 |
| EAN | 0844632084362 |
| Tweeter Type | Paper Cone |
| Cone / Dome Diameter | 51 mm | 2" |
| Power Handling (RMS) | 30 Watts |
| Impedance (Z) | 8 Ω |
| Sensitivity (SPL at 1m / 2.83V) | 90.3 dB |
| Frequency Response | 2,000-15,000 Hz |
| Resonant Frequency (Fs) | 1084 Hz |
| DC Resistance (Re) | 6.90 ohms |
| Overall Outside Diameter | 4.25" |
| Cutout Diameter | 3.19" |
| Depth | 1.25" |
| Article number | PRT-8 |
| EAN | 0844632084362 |
| Tweeter Type | Paper Cone |
|---|---|
| Cone / Dome Diameter | 51 mm | 2″ |
| Power Handling (RMS) | 30 Watts |
| Impedance (Z) | 8 Ω |
| Sensitivity (SPL at 1m / 2.83V) | 90.3 dB |
| Frequency response | 2,000-15,000 Hz |
| Resonant Frequency (Fs) | 1084 Hz |
| DC Resistance (Re) | 6.90 ohms |
| Overall Outside Diameter | 4.25″ |
| Cutout Diameter | 3.19″ |
| Depth | 1.25″ |
Alternatives
Compare other options from the same product category.
Recommended additions
Explore more for your audio setup. Check connections, dimensions and compatibility before ordering.
