Patented TPX (Polymethylpentene) cone.
Audiophile 170mm / 6½ inch drive unit from the prestige range. Featuring a patented TPX (Polymethylpentene) cone and fully ventilated chassis / pole piece, edgewound flat copper voicecoil, high loss rubber phase plug. Superb drive unit with a text book response curve.
New old stock in original factory boxes - very rare.
|Resonant frequency (fs)||46 Hz||Nominal impedance (Zn)||8 Ω|
|Mechanical Q factor (Qms)||10.62||DC resistance (Re)||6.0 Ω|
|Electrical Q factor (Qes)||0.46||RMS power handling||70 W|
|Total Q factor (Qts)||0.44||Sensitivity (2.83V/1m)||90 dB|
|Equivalent volume (Vas)||29.8L||Chassis diameter (cropped)||188 mm|
Priced as singles, including VAT.
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