Savage///Circuits

A project website devoted to electronics and microcontrollers and the things we create.

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  • Home
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Audio Projects

Audio projects including amplifiers, control circuits and more.

1 Sep 1998

Audio Level Meters

by Chris Savage | posted in: Audio Projects | 0

These were the final version of my audio level meters, used on many audio projects, including audio amplifiers and audio controllers.

LM3914, LM3915, LM3916
16 Aug 1998

Prototype Audio Controller Main Board

by Chris Savage | posted in: Audio Projects | 0

Well, the Prototype Audio Controller lasted about a year before it started experiencing issues that eventually resulted in overall failure.

555, 74LS74, Flip-Flop, LM1037N, Op-Amp, Relay
6 Aug 1997

Custom Speaker System

by Chris Savage | posted in: Audio Projects | 0

A custom 80W RMS 3-Way speaker system for testing my power amplifier.

Onkyo, Speaker
4 Aug 1997

Prototype Power Amplifier

by Chris Savage | posted in: Audio Projects | 0

This is the working Prototype Power Amplifier I built around the LM3886T Power Amplifier IC.

Amplifier, LM3886T
16 Jun 1997

Prototype Audio Controller

by Chris Savage | posted in: Audio Projects | 0

This is the beginning of a newer type of amplifier I started building in 1994.

LM1037N, LM3914, LM3915, LM3916
6 Jun 1997

Prototype Audio Level Meters

by Chris Savage | posted in: Audio Projects | 0

These are custom audio level meters for my next audio project. Capable of bar and dot display modes.

LM3914, LM3915, LM3916
1 Jun 1997

Prototype Audio Controller Power Supply

by Chris Savage | posted in: Audio Projects | 0

This is the triple power supply for my next audio project. This power supply provides +5 VDC, +12 VDC and -12 VDC.

LM7805, LM7812, LM7912, P/S, Power Supply
1 Jan 1997

Prototype Multimedia Amplifier

by Chris Savage | posted in: Audio Projects | 0

This was a 8W / channel audio amplifier with multiple inputs, designed for Super Nintendo or computer sound cards.

Amplifier, LM1037N, LM2879, LM3914, LM3915, LM3916, Nintendo, Sega, Sega Genesis, SNES
1 Jun 1996

Production SNES / PC Amplifier

by Chris Savage | posted in: Audio Projects | 0

This was a 2W / channel audio amplifier designed for Super Nintendo or computer sound cards.

Amplifier, LM383, Nintendo, Sega, Sega Genesis, SNES, Speaker
1 Jan 1996

Prototype SNES / PC Amplifier

by Chris Savage | posted in: Audio Projects | 0

This was a 2W / channel audio amplifier designed for Super Nintendo or computer sound cards.

Amplifier, LM1877N-9, LM377, LM386, Nintendo, SNES

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  • Savage Circuits TV – Episode 2 December 18, 2009

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