M5155L Audio Tone Control & Pre-Amplifier IC SIP-8
M5155L Audio signal processing IC used for tone control and pre-amplification in compact audio systems.
40.00 EGP
Buy NowM5155L Audio Tone Control & Pre-Amplifier IC SIP-8
The M5155L is a compact audio processing integrated circuit designed for tone control and signal conditioning in consumer audio equipment. It is commonly used in applications such as radios, cassette players, and small amplifier systems to enhance sound quality by adjusting frequency response and improving signal clarity. Its SIP-8 package makes it suitable for space-constrained through-hole PCB designs.
This IC integrates multiple internal audio processing functions, reducing the need for complex external circuitry. It offers stable performance with low noise characteristics, making it ideal for analog audio systems. The M5155L is widely used in legacy and repair applications, as well as DIY audio projects where simple and reliable tone shaping is required.
Features:
- Integrated audio processing IC.
- Supports tone control functionality.
- Low noise and stable operation.
- Compact SIP-8 package.
- Minimal external components required.
- Suitable for analog audio circuits.
- Easy integration into existing designs.
Specifications:
| Parameter | Value |
|---|---|
| Model | M5155L |
| Package Type | SIP-8 |
| Function | Audio tone control / preamp |
| Channels | Mono / Stereo (application dependent) |
| Supply Voltage | 6V – 12V |
| Recommended Voltage | 9V |
| Application Type | Audio signal processing |
Pinout:
| Pin No. | Pin Name | Description |
|---|---|---|
| 1 | IN | Audio input |
| 2 | NF | Feedback |
| 3 | GND | Ground |
| 4 | VCC | Power supply |
| 5 | OUT | Audio output |
| 6 | TONE | Tone control |
| 7 | BIAS | Bias reference |
| 8 | NC | No connection / internal use |
Applications:
- Radios and cassette players.
- Audio amplifier tone stages.
- Consumer audio electronics.
- DIY audio projects.
- Signal conditioning circuits.
Package Includes:
- 1x M5155L Audio Tone Control & Pre-Amplifier IC – SIP-8.

