Feb 17, 2025 · This is a 30w amplifier circuit, output OCL, and integrated on one PCB, without IC so it is cheap and low noise. it is a small size for a mini room.

Mar 19, 2025 · If you want a 50W OCL main amplifier circuit, high quality and save money. I recommend this 2N3055 MJ2955 Amplifier circuit. You can use it to amplify the normal sound in the home.

Jan 12, 2024 · Do you like listening to soft music all day in your private room? On a budget that is cost-effective. I suggest you build a transistor audio amplifier circuit. This may be one of the best choices for you. Why? They are OCL class AB amplifiers using 2N3055+MJ2955 is easy to build, and very inexpensive. To use Power Supply +35V -35V 2A.

Jan 1, 2024 · The 300W OCL power amplifier circuit diagram utilizing 2N3055 and MJ2955 transistors in the output section, along with BC507, D313, D438, and A564 transistors in the driver and preamplifier sections, offers excellent audio performance and sufficient power output.

In this article, we will explore the layout design of the OCL 150 Watt amplifier PCB and provide tips for designing an optimal layout. An OCL (Output Capacitor-Less) amplifier is a type of power amplifier that does not require an output capacitor to block DC voltage.

Feb 29, 2024 · In this article, we will discuss a 150W OCL (Output Capacitor Less) amplifier circuit diagram using high-quality transistors such as 2N3055 in the output section, BD139 and BD140 in the driver section, and 2SA733 in the preamplifier section.

In this 50W OCL Main Amplifier, we are using LF351, because of the noise reduction and, higher frequency responsiveness. The output signal of IC1 is sent to the transistor drivers Q1, and Q2 through two 1N4148 diodes D1 and D2 (BD140).

6 days ago · 150w Ocl Amplifier Circuit Using 2n3055. The OCL (Output Capacitor-Less) 150W amplifier circuit featuring the 2N3055 transistor is a popular choice for audio enthusiasts seeking powerful and high-fidelity sound reproduction.

Aug 17, 2022 · These are 4 simple 50w OTL audio amplifier circuits using 2N3055 as main parts. We can build easy and cheap. It’s durable and very loud sound, Not needed speaker Protection. We use all transistors and LM3900 below. This is 60W RMS OTL integrated audio amplifier circuit using 2N3055 and normal transistor. It is so cheap and can build easily.

Dec 27, 2023 · Harness the power of the popular LM1875 power amplifier chip, while enjoying the flexibility to switch between OTL or OCL modes for comparison and audition.