First Watt F8
First Watt,
April 8, 2020
Originally created almost 6 years ago, the F8 is a stereo two-stage single-ended Class A amplifier using the NOS Toshiba 2SJ74 P channel Jfets and SemiSouth R100 SiC power Jfets for signal gain, plus IRFP240 Mosfet mu-follower current sources, for a total of three devices per channel.
It is similar to the J2 amplifier, but has only one front end transistor instead of six, operated as a current feedback amplifier (CFA) as opposed to the J2’s voltage feedback (VFA) differential input. This front end is more consistent with the single-ended approach to amplifier design and yields a purer second harmonic character, less distortion with lower negative feedback, greater bandwidth and higher damping factor.
Press Release Documents
Website Address
https://www.firstwatt.com/
More Press Releases
August 26, 2026
Franco Serblin
Accord Goldberg
The chord is one of the foundations of music, essential for the tuning of a musical instrument. If we consider a large orchestra, a single instrument or a piece of music, without preconceptions, there is a chord at the base of it all.
Read more
January 15, 2025
Lampizator
PACIFIC 3
Introducing: a new dac in our range. Lady and Gentlemen: here is PACIFIC 3 that is an old Pacific in its third incarnation since its conception in 2016. We kept its perfect electrical schematics that so many prople love, with its DHT triodes and Engine11-P electronics it is still our killer DAC.
Read more
February 11, 2026
Ultrafide Audio
Ultrafide Audio launches ENSO – the “music first” integrated amplifier
We are taking our pro-sound-to-home revolution further with the launch of our debut integrated amplifier, the ENSO (INT-125).Flexible, scalable and musical, the ENSO is designed to be the centre of your sound. Its name is inspired by the Japanese enso circle, symbolising completeness, unity and balance – reflected in both its sonic character and minimalist aesthetic.
Read more