Product Description
Details
The Coles 8 ohm 4001K Super Tweeter is now available again as new 2021 manufacture stock. Celestion HF2000 replacement where used as a super tweeter (NB not suitable for Ditton range systems, please see SEAS 19TFF-1 for this application available here). Used by Spendor, many DiY designs particularly C Rogers and Atkinson transmission lines.
Frequency range quoted 1.2 Khz - 35Khz, useable 8KHz>. 19mm coil. 61mm mounting hole required.
Also available in 4001G 16 ohm version (see separate page).
Additional Information
Additional Information
| Nominal Impedance | 7-8 Ohm |
|---|---|
| Nominal Power RMS | 120W |
| Vas ( l) | - |
| Nominal Free Air Resonance Fs | 1.6Khz |
| Sensitivity (2.83V/1m) | 87 dB |
| Nominal Rdc | 6 Ohm |
| Qes | - |
| Qms | - |
| Qts | - |