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It's All About the Glass

Cascade Tubes

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Tag Archives: lacewood

A Cautionary Tale

Posted on January 4, 2025 by Matt
14

After a busy Christmas season, including a brief trip out of state between Christmas and new year, I have finally managed to get the Lacewood amplifier back up and running. As part of this effort I also identified the root cause of the initial failure. And frankly I’m a little angry about it.

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Posted in Uncategorized | Tagged 6V6, failure, JJ, lacewood, repair | 14 Replies

I Spoke Too Soon

Posted on December 18, 2024 by Matt
2

Remember a few weeks ago in the post When it Rains, It Pours! I said that the Lacewood V2 reservoir capacitor had likely failed? Well, I was wrong.

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Posted in Uncategorized | Tagged 6V6, capacitor, failure, lacewood, resistor | 2 Replies

When it Rains, It Pours!

Posted on November 23, 2024 by Matt
10

Would you believe it? Today while listening to the 6V6 Lacewood V2 I heard a funny little popping sound and a short duration whine. It only lasted a few seconds, then it was gone. But when I walked over to the amp there was a distinct smell of “magic smoke“. Once again, the game’s afoot!

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Posted in Uncategorized | Tagged 6V6, capacitor, failure, lacewood, maple, repair | 10 Replies

Triode Test Jig Progress

Posted on January 12, 2022 by Matt
2

The weather has finally returned to normal here and I got to spend a little time in my shop today. I decided that I wanted to be able to finish the base of the SET and my new triode test jig at the same time. So I needed to get going on the test jig base.

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Posted in Uncategorized | Tagged lacewood, SET, test | 2 Replies

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Articles of Note

  • “Experts” 0
  • A Note on Feedback 0
  • A Tale of Two Tubes 0
  • About that Volume Control 0
  • About that Volume Control – Part II 0
  • About Tube Books 0
  • Another Note on Feedback with Black's Original Paper 0
  • Audio Heresy – Lampizator 0
  • Audio Power – Wikilink 0
  • Cathode Bypass and Frequency Range 0
  • Cathode Bypass and Frequency Range, Part II 0
  • Component Tolerances & Modern Manufacturing 0
  • Consequence of The Quest for 20Hz Roll Off 0
  • Distortion Misunderstood 0
  • Engineering! 0
  • How Amp Technology Affects Volume and Power 0
  • How Much Audio Bandwidth? 0
  • Identifying a Mystery Tube 0
  • In Praise of the Album 0
  • Low Frequency Output Transformer Performance 0
  • Matt's Grounding Philosophy 0
  • Sensitivity and Amp Power – Chuck Hawks 0
  • Talking about SETs 0
  • The Quest for 20Hz Roll Off 0
  • Toroids and “Shorted Turns” 0
  • Tube Sound – Power Stage Topology 0
  • Tube Testers 0
  • Understanding Speaker Power Ratings – Eminence 0
  • Volume Controls and High Frequency Response 0
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