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- 2012-01-31
Featured 耳机放大器-OP manuals
Earphone Amplifier OP Manual
The document outlines the components and circuit sections of a stereo earphone amplifier. It includes a parts list, power‑amplifier stage, audio input socket, and power‑supply details.
Key components are the LM833 or NE5532 dual op‑amp, BC337/45V NPN and BC327/45V PNP transistors, an RCA audio input socket, and a 110 V mains transformer with a 9 VA rating. This manual is written in Chinese.
Covers: Parts List · Power Amplifier Section · Audio Input Socket · Power Supply · Transistors
Latest 耳机放大器-OP manuals
Earphone Amplifier OP Manual
Product Leaflet 2 pages · 73 KB · ZHThis manual provides the parts list and circuit details for an earphone amplifier using LM833 or NE5532 op‑amps.
Questions answered in 耳机放大器-OP manuals
What op‑amp is used in the earphone amplifier?
The amplifier uses either an LM833 or an NE5532 low‑noise dual op‑amp.
Which transistors are specified for the circuit?
The circuit specifies BC337/45V NPN transistors and BC327/45V PNP transistors, each rated for 800 mA.