POWER TUBES used as PREAMP tubes? You can DO THAT?! Yes. We did. (Dr. Z Octal Six!)
16:09
The RIGHT Tones With The WRONG Tubes!? Dr Z Octal SIX
6:33
Dr. Z AMA: "Master Volume vs. Attenuators"
6:36
Merry Christmas ( Carol of the Bells)
14:05
What's More Important? Tube Preamp or Power Amp? Too Many Tubes? w/ Upscale Audio's Kevin Deal
16:50
"The most UNQIUE amp I've ever made?" (Z-80 technical deep dive)
13:11
Not a Scam? The TRUMP GUITARS Have Arrived...
13:14
Audiophile preamps - What should you get for $30,000?
9:08