Earthquake Sound HD250-X user manual

Summary of the content on the page No. 1

Earthquake warrants the original purchaser that all Factory Sealed New Audio Products be free from
defects in material and workmanship, under normal and proper use, for a period of ninety (90) days from
the date of purchase (as shown on the original sales receipt with serial number affixed/written on it). The
ninety (90) day warranty period is valid only if an authorized Earthquake dealer properly installs the
product, and the warranty registration card is properly filled out and sent to Ear

Summary of the content on the page No. 2

SPECIFICATIONS ø4-7/16” (111.5mm) Power Handling 150 Watts Nominal Impedance 8 Ohm Frequency Response 400Hz - 9kHz Sensitivity 110 dB - Voice Coil Diameter 2” (51mm) Throat Diameter 1-3/8” (34.2mm) + ADDITIONAL INFORMATION Magnet Material Barium Ferrite Magnet Weight 10.5 oz. Housing Material Cast Aluminum 3/16” (5mm) ø1” (25mm) 3” (76mm) Voice Coil Material Copper Weight 3.04 lbs (1.38 kgs) MOUNTING INFORMATION ø1-3/8” (34.2mm) 18TPI Horn Connection Screw-on 1-3/8” 18 TPI Connectors Push Termin

Summary of the content on the page No. 3

EQ11-25 matching horn 4” 4 9/16” 3” deep outer diameter 1 5/8” Specifications are subject to change without notice www.earthquakesound.com

Summary of the content on the page No. 4

ATTACHING HD250-X (DRIVER) TO EQ11-25 (HORN) 1) Place the EQ11-25 Horn facing downward onto a flat, hard surface. 2) Take the HD250-X Driver and carefully twist into the Horn. Hold the Horn down firmly with one hand while twisting the Driver in with the other hand. 3) Make sure the Driver screws evenly and at a level angle. Consider using a protective mat as to not damage the horn Specifications are subject to change without notice www.earthquakesound.com