SP-7140-2

Overview

The SP-7140-2 is a general-purpose magnetic speaker manufactured by Soberton Inc. It features an 8 Ohm impedance and a nominal power rating of 3 W. The frequency range spans from 300 Hz to 20 kHz, with a self-resonant frequency of 300 Hz. The unit delivers an efficiency of 85 dBA at 100 mW/100mm. It utilizes a top port configuration and has a rectangular form factor.

Feature Summary

• Rectangular design with top port configuration
• General-purpose magnetic technology
• High efficiency sound pressure level

Applications

• Consumer electronics audio output
• Industrial control panel indicators
• General purpose signaling devices

Procurement Notes

Verify the specific suffix -2 against official Soberton Inc. documentation to confirm exact mechanical dimensions and terminal types. Ensure compatibility with enclosure mounting requirements. Cross-reference electrical parameters with current datasheets to avoid discrepancies in impedance or power handling specifications during integration.

Selection Notes

Select this component for applications requiring a compact rectangular speaker with standard 8 Ohm impedance. The 3 W power rating suits low-to-medium volume requirements. Verify that the 300 Hz lower frequency limit meets acoustic needs. Confirm physical clearance for the top port orientation and terminal access.

Part Context

This part belongs to the SP Micro Speaker series from Soberton Inc., designed for general-purpose audio reproduction. The series offers various form factors including oval and rectangular shapes. The SP-7140-2 specifically addresses space-constrained designs requiring reliable magnetic transduction with standardized electrical interfaces.

Replacement Considerations

SP-7140-1 is a related variant within the same series. Verify dimensional and electrical equivalence before substitution. No other direct public substitutes are confirmed.