Built-in circuit elementspeaker
Speaker
Electrodynamic speaker after Thiele/Small: voice coil Re + Le, mechanical resonance Fs (Qms, Qes) as a parallel circuit. The sound follows the cone acceleration and is audible with 🔈.
Key data
- Category
- Audio
- Simulation model
- Built-in circuit element
- Reference prefix
- LS
- Pins
- 2
- Land pattern
- JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical
Simulation model
Thiele/Small equivalent circuit: voice-coil resistance and inductance plus the mechanical resonance as a parallel tank. The editor plays the sound.
- Primitive
- SPEAKER
Pins 2
| Pin | Name | Use |
|---|---|---|
| + | +Passive pin | Speaker +: from the amplifier output (through a coupling capacitor with single supply) |
| - | −Passive pin | Speaker −: to GND |
Parameters 7
Type
typeDefault40 mm 8 Ω
28 mm 8 Ω40 mm 8 Ω57 mm 8 Ω100 mm 4 Ωeigene Werte
Re (DC resistance)
REDefault7.2 Ω
only when type is "Custom values"
Le (voice coil)
LEDefault60u H
only when type is "Custom values"
Resonant frequency Fs
FSDefault450 Hz
only when type is "Custom values"
Qms
QMSDefault3
only when type is "Custom values"
Qes
QESDefault1.2
only when type is "Custom values"
Power rating
PDefault0.5 W
PCB
Connector / off-board
JST_PH_B2B-PH-K_1x02_P2.00mm_Verticalspeaker off-board on a JST PH 2-pin connector