Speaker-Grille Assembly #D1410-72
• Full fidelity sound, very wide dispersion
• Driver (JR410): 4 in. 15W high compliance driver employs 10 oz. ceramic magnet. Cone is paper with treated cloth surround for smooth, extended frequency response and a clean, natural sound.
• Transformer (TLM-572): 70V/25V dual-voltage transformer. Taps at 0.25, 0.5, 1, 2, 5W.
• Grille (WB-4): Precision-formed steel. 7.25 in. diameter. White.
COMPLIANCE & CERTIFICATION
• Made in U.S.A. with global components
The driver–transformer–grille assembly shall be Lowell Model No. D1410-72 which shall include a 4 in. high-compliance driver with wired transformer and screw-mounted grille. The driver shall have a 15 watt RMS power rating and employ a 10 oz. ceramic magnet and paper cone with treated cloth surround. Frequency response shall be 67Hz–16kHz (±6dB) and 57Hz–20kHz (±7.4dB) with an average sensitivity of 90.8dB measured 1W/1M. The transformer shall be a factory-wired 70/25V unit with primary taps at 0.25, 0.5, 1, 2 and 5W. The 7.25 in. diameter steel grille shall be screw-mounted to the driver and have a white powder epoxy finish.