3070-8ohm 3W Speaker

1. Electrical Characteristics

Item | Specification

Type: Concave Speaker 3070 – 8Ω

Dimension: 13.3mmx69.6mmx30.9mm. 

Mylar Thickness: —

Magnet: 12.5 × 1.5 mm

Voice Coil: 13.28 × 0.08 × 8

Nominal Impedance: 8Ω ±15% at 1.0 kHz

Rated Input Power: 2W

Max. Input Power: 3W

Mean Sound Pressure Level (S.P.L.): 116 ±3 dB by 2W/0.1M at 0.8, 1.0, 1.2, 1.5 kHz (average)

Frequency Range: F0 ~ 20,000 Hz

Distortion: Maximum 5% at 4V rated input, at 1.0 kHz/nominal power

Buzzes & Rattles Test Voltage: 4V

Lowest Resonance Frequency (F0): 450 Hz ±15%

Load Test: White noise, 0.2W, 24 hrs

Net Weight: 9.85 g

Operation Temperature: –20 ℃ ~ +50 ℃

Storage Temperature: –25 ℃ ~ +60 ℃

Polarity: Diaphragm shall move forward when a positive DC current is applied to the “+” or marked terminal.