My name is Kasper Bergholt. In 2023, I picked up a vintage Nikon camera for a minor photography project, which led to more visual work. I hold a Master of Arts degree (and a rare gold medal) from the University of Copenhagen. I’m interested in time, language, flowers, poetry, triptychs, art & artificiality, and chronotopes.… Continue reading About
The Leben CS-600 ~ An Introduction to Leben Tube Amplifiers
Contents Key features of the Leben CS-600 Input and output tubes A word of warning on changing tubes Tube placements Tube upgrade set Bypassing the input selector Tube-rolling / tweaking 6CS7 tube supply CS-600X circuitry Factory specifications Tube settings table Compatible output tubes 6CJ3 damper tubes EL34 RFT tubes Current setup Short history of Leben… Continue reading The Leben CS-600 ~ An Introduction to Leben Tube Amplifiers
System Poetry: Gibson, Wordsworth, Shakespeare (all Williams)
In 2011 I wrote a system poem. In 2024 I inscribed it into the Bitcoin blockchain. In 2025 I finished a photographic work, ICE | July | 1982, built around William Gibson’s concept of Black ICE: the cryptographic membrane that, in the novel, wraps data against intrusion. This page is an attempt to pull those… Continue reading System Poetry: Gibson, Wordsworth, Shakespeare (all Williams)
Bill Evans: The Paris Concert Edition Two
“Unfortunately, many of our best performances are out there in the universe someplace, and you still as professionals have to go in at ten o’clock on Wednesday and make a record and hope that every few records you might catch a really good day. And the rest of it is being professional and, certainly as… Continue reading Bill Evans: The Paris Concert Edition Two
The Nikon D3 in 2026 ~ Review, Photos, Thoughts
Contents Build quality and life expectancy Second-hand market prices in 2026 What I use the Nikon D3 for In brief Nikon D3 ratings D3 specs Nikon D3 photos In December 2023, I switched from a Pentax K5 to a Nikon D3. With the K5, I used either a 35mm macro limited lens or a 77mm… Continue reading The Nikon D3 in 2026 ~ Review, Photos, Thoughts
Sunbuck Kondo Audio Note KSL-M7 preamplifier “clone”/ Exploding Capacitors
Here is my first tube photo in a while: a Russian 5U3C (Cyrillic: 5Ц3C) rectifier tube from 1976. It’s what’s known as New Old Stock (NOS), meaning that the tube has never been used. The tube was bought for a Kondo Audio Note KSL-M7 preamplifier clone produced and sold by the Chinese brand Sunbuck on… Continue reading Sunbuck Kondo Audio Note KSL-M7 preamplifier “clone”/ Exploding Capacitors
