Skip to primary content
Skip to secondary content

Cascade Tubes

It's All About the Glass

Cascade Tubes

Main menu

  • Home
  • About Me
  • Blog
  • The Source Selection Preamp
  • The “Purpleheart” Signal Meters
  • The “Universal” Preamp
  • The 12AU7 “Color” Preamp
  • The 6336 SET Amp
  • The 6AS5 µ-Power UL
  • The 6AS7 “Purpleheart” SET
  • The 6CY7 Amp
  • The 6CY7 V2.0 “Zebrawood” Amp
  • The 6DJ8 Headphone Amp
  • The 6EM7 Vertical Amp
  • The 6L6 “Spalted Alder” Amp
  • The 6V6 Lacewood Amp
  • The 6V6 Lacewood Amp V2.0
  • The 6V6 Marblewood Amp
  • Optimization of the 6L6 SE-UL
  • Optimization of the 6V6 SE-UL
  • Older Pages
    • The First Amp
    • The Recovery
    • The Rebuild
    • On Prototyping
    • Brassboard Prototypes
    • Volume Control
    • Dummy Speaker Load

Tag Archives: 6AS7 SET

6AS7 SET “It’s Alive!”

Posted on April 28, 2022 by Matt
3

Yesterday, after setting the B+ and installing the power supply dropping resistor, I tried out the 6AS7 SET. To say that I am pleased would be an understatement.

Continue reading →
Posted in Uncategorized | Tagged 6AS7, 6AS7 SET, copper, Purpleheart | 3 Replies

6AS7 SET is Completely Wired!

Posted on April 26, 2022 by Matt
1

I first announced this SET on September 18th, 2020. It’s only taken me about 19 months to get to this point. To be fair, that 19 months was fairly eventful, including both my retirement and much of the COVID madness. But tomorrow, the slow methodical process of testing can finally begin.

Continue reading →
Posted in Uncategorized | Tagged 6AS7, 6AS7 SET, copper, test | 1 Reply

6AS7 SET Assembly Begins

Posted on April 12, 2022 by Matt
8

After many delays and distractions I have finally finished the 6AS7 SET chassis and have begun assembly.

Continue reading →
Posted in Uncategorized | Tagged 6AS7, 6AS7 SET, Chassis, SET | 8 Replies

6AS7 SET Chassis Is Almost Complete

Posted on March 28, 2022 by Matt
3

For the last few days I’ve been applying oil to the SET chassis. It now has four coats of oil, cured and buffed out. There’s only one decision left for the chassis.

Continue reading →
Posted in Uncategorized | Tagged 6AS7 SET, Chassis, copper, finish, patina, SET | 3 Replies

6AS7 SET Finally Starts to Move Forward

Posted on March 24, 2022 by Matt
2

It looks like the weather has finally broken here at CascadeTubes and spring has arrived. Yesterday, the 6AS7 SET chassis got its first coat of oil. The purple heart used for this chassis is definitely much deeper in tone than that used on the The 6DJ8 Headphone Amp.

Continue reading →
Posted in Uncategorized | Tagged 6AS7, 6AS7 SET, Chassis, copper, SET | 2 Replies

Bump In The Road

Posted on December 12, 2020 by Matt
1

So I took some time the other day and got all the purple heart planed to thickness and ready to go for the new SET amp. Then, when I was checking all the layouts, I discovered a problem.

Continue reading →
Posted in Uncategorized | Tagged 6AS7 SET, Chassis | 1 Reply

Meta

  • Log in
  • Entries feed
  • Comments feed
  • WordPress.org

Engineering

  • DabbleE

Audio

  • DIY Audio Projects
  • DIY Audio Projects – Forum
  • Mongrel Dog Audio
  • OddWatt Audio
  • Retro-Thermionic

Tube Amp Parts Suppliers

  • Antique Electronics Supply
  • Edcor Electronics
  • Front Panel Express
  • Hammond Manufacturing
  • Radio Daze
  • The Tube Store
  • Tube Depot
  • Vacuum Tubes Inc.

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
Proudly powered by WordPress