Headphone Amplifier

Posted on Aug 18, 2012

High Quality unit with LM833 or NE5532 Low noise Dual Op-amp. No need for a preamplifier. # Can be directly connected to CD players, tuners and tape recorders. # Tested with several headphone models of different impedance: 32, 100, 245, 300, 600 & 2000 Ohm. # Old 8 Ohm impedance headphones can be also driven, but these obsolete devices are not recommended. # Schematic shows left channel and power supply (common to both channels). # Numbers in parentheses show IC1 right channel pin connections.

Headphone Amplifier
Click here to download the full size of the above Circuit.

* A correct grounding is very important to eliminate hum and ground loops. Connect to the same point the ground sides of J1, P1, C2, C3 & C4. Then connect separately the input and output grounds to the power supply ground. Technical data: Output vo

Leave Comment

characters left:

New Circuits



Popular Circuits

20kV Flyback power supply
SCA decoder
Human-Computer Interface Technology 3
Hi-fi Audio Amplifier Circuit Design and implementation
how to make automatic vehicle headlight
Speaker Microphone circuit diagrams
65W notebook laptop power adapter circuit
USB Data Acquisition
Touch Sensor Circuit
Interface Bluetooth with LPC2148 circuit
Active Plug Classic
Vanda F-9500A preamplifier b