Circuit Project Electronic

Stereo Limiter by NE5532
Monday, February 15th, 2010

Stereo Broadcast Limiter Circuit for Ramsey. Link

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RIAA compensated stereo preamp with NE5532
Monday, June 8th, 2009

If your stereo amplifier does not have an input for a record player, you should use this circuit between your turntable and your amplifier. The output of your turntable follows a gain-bandwidth curve called the RIAA compensation curve. The standard AUX input on your stereo does not. Records will sound very strange without an RIAA [...]

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Headphone Amplifier using NE5532
Thursday, November 20th, 2008

Notes:
* 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).
* [...]

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