Sugden clone Preamp.
This board is LOSELY based on a Sugden Dac Pre-amp. I show the testing and a small modification that improves its performance with less interaction of the Volume pot.

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Krim ist isoliert! KEIN Benzin mehr! Ukraine Lagebericht (590)

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"No difference from fascists": These are the people the CDU wants to make a pact with | NIUS Live

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EEVblog 1752 - Texas Instruments SCREWED UP the NE5532!

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Which sounds best?

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Ultra Modulated AM Transmitter Part 92

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Tested: Where Does The Tone Come From In A Microphone Preamp?

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Top 5 PCB Grounding Mistakes That Cost Me Thousands

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How Google Translate Exposed Russia's Secret Army

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EEVblog #1085 - Bypass Capacitors Visualised!

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Something BIG is Brewing in Chechnya Right Now

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Putting multiple ICs in parallel. A good idea or not?

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We power up a giant Thyratron tube

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Class D vs Digital Amplifiers | What Most People Get Wrong (No DAC Needed?)

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LUXMAN Preamplifier Repair - The LUXKIT A3300 Preamp

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L12/2 version 5. FIXED.

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EEVBlog #1116 - How to Remove Power Supply Ripple

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A New DIY Preamp design and build. part 1

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Dynaco ST-70 Original vs. VTA Bench & Listening Test Comparisons - Stereo 70 Tube Amp

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Everything You Need to Know about MOSFETs

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