L12RE/XFC (H1602) 5″ Aluminum Cone Coaxial

• True fullrange, high-End performance in very compact package
• Higher SPL capability and low distortion
• Precise imaging and stable soundstage over a wider listening area
• Legendary SEAS contruction and quality control
• Field replaceable tweeter module
• Aluminum cone woofer + fabric dome tweeter
• 4 ohms woofer section

 

The L12RE/XFC is a coaxial loudspeaker providing high quality sound in a very compact format. The coaxially arranged precoated fabric dome high frequency unit has a low resonance frequency, and integrates with the cone driver to a point source. Voice coil windings immersed in magnetic fluid increase short term power handling capacity and reduce the compression at high power levels. The cone of the woofer acts as a moderate horn loading for the tweeter, and the chassis of the dome unit represents the throat of this horn. The stiff, yet light aluminum cone acts as a piston throughout the recommended frequency range.

SEAS coaxial technology raises the bar for small loudspeaker performance. Over the last few years, there has been an unmistakable increase in demand for smaller loudspeakers with higher quality sound. We all know the challenges. Small loudspeakers have to move a lot of air to create bass, while at the same time be capable of accuarately reproducing delicate high frequencies. These trends have led to the further refinement of small fullrange drivers in various products such as computer speakers and other personal audio products. SEAS wanted performance beyond what even the very best small fullrange drivers could offer. To achieve this, we had to look no further than our very own advanced coaxial driver technology. With nearly 25 years of experience in designing and manufacturing high performance coaxial drivers, we set our sights on developing a coaxial design that would set new standards of performance sound quality in a small enclosure. The result is our new L12RE/XFC coaxial driver, which delivers the superior sound quality you would expect from a SEAS Prestige driver, and offers advantages over conventional fullrange designs. See Application Notes PDF for enclosure.

Optional Crossover:

We tried several circuit boards for this, but the smallest we could fit the crossover on was the 103B board, 9.5″ x 4.0″. This board is too large to fit in the tiny enclosure as designed, so you’d have to run it externally. We are using Sidewinder inductor and Clarity SA capacitor. The crossover will result in very flat response. The slopes are hybrid 2nd order low-pass and 3rd order high-pass. See PDF file for network schematic.