- Driver: 4-inch 15W single cone driver with 10 oz. ceramic magnet with paper cone, treated cloth surround.
- Frame: 20-gauge stamped steel, zinc-plated.
- Mounting Bolt Circle: 4.72 in.
- Transformer: 70V with taps at 0.5, 1, 2, 4W
- Assembly Frequency Response: 66Hz–16kHz (±6dB) and 57Hz-20kHz (±7.9dB)
- Assembly Mounting Depth: 3.77 in.
- Assembly Dispersion Angle: 170 degrees conical
- Assembly Average Sensitivity: 90.2dB
- Assembled in U.S.A. with global components
- Meets or exceeds industry standards
The high compliance 4-inch cone driver with mounted transformer shall be Lowell Model No. JR410-T470. The driver shall be of the permanent magnet type with a paper cone, treated cloth surround, and dispersion angle of 170 degrees @2000Hz (-6dB). Average sensitivity shall measure 90.2dB (SPL at 1W/1M) and power rating shall be 15 watts RMS. The driver shall feature 1-inch diameter voice coil (8ohm impedance), 10 oz. ceramic magnet, 20-gauge steel frame with 5.00-inch diameter and four holes spaced at 90 degrees on 4.72-inch diameter mounting bolt circle. External metal parts shall be zinc-plated. Assembly frequency response shall be 66Hz- 16kHz (±6dB) and 57Hz-20kHz (±7.9dB). The mounted transformer shall be 70V with selectable taps at .5, 1, 2, 4W. Transformer response shall be 50Hz–15kHz (+1dB) with insertion loss of 0.8dB. The assembly shall have an overall depth of 3.77-inch.
