Coles 4001G 16 ohm Super Tweeter, now available again as new 2021 manufacture stock. Used in countless designs, IMF TLS50, Spendor BC1 and SP1, Cambridge in the R50, B&W in the DM2, DM2a, DM4, and in many DiY designs particularly transmission lines.
Frequency range 1.2 Khz - 35Khz, usable 8KHz>. 19mm coil. 61mm mounting hole required.
Also available ex-stock in 4001K 8 ohm version (see separate page).
|Nominal Impedance||16 Ohm|
|Nominal Power RMS||120W|
|Vas ( l)||-|
|Nominal Free Air Resonance Fs||1.6KHz|
|Sensitivity (2.83V/1m)||85 dB|
|Nominal Rdc||23 Ohm|