Category Archives: Power Amplifier

Documenting the build of the first power amplifiers.

Testing Begins

The printed circuit board I used for testing the preamp and power amps is now back on the test bench to be prepared for Frank’s Portable HiFi: Advertisements

Posted in Amplification, Circuit Tests, Construction, Ghetto Blaster / Portable Music Player, Power Amplifier, Power Supplies, Pre Amplifier, Testing | Tagged , , | Leave a comment

Box Construction Jig now Faced

Box construction jig: the faces are now glued in place. All three faces need to be perpendicular to the other two; not so easy to do in practise. As I adjusted one set another face would be pushed out of … Continue reading

Posted in Box Construction Jig, cabinet, Construction, Ghetto Blaster / Portable Music Player, Loudspeakers, Power Amplifier | Tagged , , , , | Leave a comment

Portable Stereo HiFi development

The MDF has now been cut by Stalite Signs of Exeter, to produce the Box Construction Jig.  There are one or two problems, basically mistakes I have made and need correcting before I proceed. But that aside, our outside wall … Continue reading

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Dual Amplifier CV1460 Incandescent Lamp to LED Conversion

How to convert an amplifier or receiver from incandescent lamps to LED lamps I use a Dual CV 1460 amplifier for my office/workshop and not just because it sounds good; I like the looks too. Mostly the reason I like … Continue reading

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Woodwork drawing in for production

The drawing for the Box Construction Jig is with Stalite Signs of Exeter.  I have accepted their quote and they have sent the drawing to their production department.  When cut I will have woodwork for the jig but also one … Continue reading

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Slight Redesign of 10W High End Amplifier

Having found what appears to be a good company to cut my MDF for cabinet making, I now need to redraw my cutting information to suit their needs.  They need the files as PDF (Portable Document Forma). But they also … Continue reading

Posted in Amp Cabinet, cabinet, Construction, Design, Ghetto Blaster / Portable Music Player, Headphone Amp, Loudspeakers, Power Amplifier | Tagged , , , , | Leave a comment

Quick Update

I’m feeling guilty for not saying anything on this blog for such a long time, so will write something quick now. I took some time off to decorate the sitting room; laying a parquet floor and a vintage looking HiFi … Continue reading

Posted in Amp Cabinet, Amplification, cabinet, Construction, Design, Earthing, PCB Layout & Design, Power Amplifier, Power Supplies, Pre Amplifier, renovation, Vintage HiFi Renovation | Tagged , , , | Leave a comment