2022年5月5日 · In the field of audio amplifiers OCL stands for Output Capacitor-Less Amplifier design. In this OCL type of amplifier topology or configuration, the power output stage is directly coupled to its preceding driver stage without coupling capacitors.

An OCL amplifier (output capacitor-less amplifier) is any audio amplifier with direct-coupled capacitorless output. Typically, OCL amplifiers can be any of several amplifier classes, and typically have a push–pull output stage.

OCL（Output CapacitorLess ）是OTL电路的升级，指省去输出端大电容的功率放大电路，省去了输出电容，使系统的低频响应更加平滑。 缺点是必须用双电源供电，增加了电源的复杂性。

2023年11月10日 · In the symphony of audio electronics, the OCL (Output Capacitor-Less) Amplifier Circuit stands out as a powerhouse, delivering both power and precision. This article explores the construction of an OCL Amplifier Circuit Diaram using TIP31 & TIP32, with a focus on the dynamic quartet of transistors: TIP31, TIP32, C1815, and A1015.

2020年8月15日 · 本文深入探讨了无输出电容的功率放大电路 (OCL)的工作原理，详细分析了其最大输出功率和效率的计算方法。 通过数学公式，阐述了在正弦信号输入下，OCL电路如何达到最大输出功率及相应的转换效率。 OCL全称:Output Capacitorless，中文名称:无输出电容的功率放大电路。 功率放大带电路最重要的技术指标是最大输出功率Pom和效率n。 若输入信号Ui为正弦信号sin (wt)，负载上能得到的最大输出电压且不能失真，此时对应负载上的功率为最大输出功率Pom …

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).

2025年2月17日 · 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.

2024年1月1日 · 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.

2023年2月14日 · OCL（Output CapacitorLess ）是OTL电路的升级，指省去输出端大电容的功率放大电路，省去了输出电容，使系统的低频响应更加平滑。缺点是必须用双电源供电，增加了电源的复杂性。

2023年10月14日 · The 100W OCL amplifier circuit diagram is a powerful audio amplifier circuit that utilizes the 2N3055 transistor and LM741 operational amplifier (IC) to deliver high-quality sound output. This circuit is widely used in audio systems, music amplifiers, and home theaters, offering an excellent performance for audio enthusiasts.