GRS RSRMO-8 Replacement Woofer for 15" Realistic Mach One 8 Ohm

We've produced a 15" driver that features the same warm, thundering sound characteristics as the original, but thanks to contemporary materials and technology will last far longer.

.

Product highlights:

• Modern reproduction of the famous Mach One design
• Resurrect your Mach One speakers from the Seventies!
• Same voicing but up-to-date materials and technology
• 2-1/4" copper voice coil on brass former
• Replaces the 4024 8 ohm version (1976-1981)
• Great results in custom acoustic suspension designs, too!

.

Product details

GRS RSRMO-8 Replacement Woofer for 15" Realistic Mach One 8 Ohm

Radio Shack produced the Realistic Mach One speaker for almost ten years, beginning in the 1970s. The Mach One 15" 3-way system is considered one of the finest loudspeakers offered by Radio Shack. Over time, many Mach Ones have been lost due to foam rot and old age. We've produced a 15" driver that features the same warm, thundering sound characteristics as the original, but thanks to contemporary materials and technology will last far longer. Now you can resurrect your set of Realistic Mach One speakers with completely new woofers, giving them a fresh lease on life! Replaces Realistic Mach One, Mach Two, 3802, 40-4029, 40-4032, 40-4032A, Optimus Pro 4000. Note: This unit is an exact replica of the Mach One. The Mach Two is slightly different, but this unit works great for them too!

.

Technical Specifications:

• Article number RSRMO-8
• Woofer Type Subwoofer
• Nominal Diameter 15"
• Power Handling (RMS) 125 Watts
• Power Handling (max) 250 Watts
• Impedance (Z) 8 ohms
• Sensitivity (SPL at 1m / 2.83V) 90 dB
• Frequency Response 22-1,200 Hz
• Voice Coil Diameter 2.25"
• DC Resistance (Re) 7.2 ohms
• Voice Coil Inductance (Le) 1.82 mH
• Resonant Frequency (Fs) 22 Hz
• Mechanical Q (Qms) 4.94
• Electromagnetic Q (Qes) 0.63
• Total Q (Qts) 0.56
• Compliance Equivalent Volume (Vas) 12.09 ft.³
• Maximum Linear Excursion (Xmax) 2.5 mm
• Cone / Diaphragm Material Paper Surround Material Foam
• Voice Coil Wire Material Copper
• Voice Coil Former Brass
• Basket / Frame Material Steel
• Magnet Material Ferrite
• Overall Outside Diameter 15.25"
• Overall Depth 6.25"
• Baffle Cutout Diameter 13.75"
• # Mounting Holes 6
• Sealed Volume 7.54 ft.³
• Sealed F3 35 Hz
• Vented Volume 23.32 ft.³
• Vented F3 17 Hz