atrad-audio.co.nz

All things related to vacuum tube amplifiers

Skip to content

Home
About
Valve Amplifiers FAQ
Projects Gallery
Tech Articles
- PP Fixed Bias circuit design and calculator
- A better time delay startup circuit
Blog
Contact

Search for:

Projects Gallery

Completed projects (click images to enter)

Line preamp
Matariki Integrated Amplifier
EL84 Amp
Tone Control
Iwa Wairua amplifier
KT88 Amplifier

Posts Archive

Posts Archive

Categories

Categories

Recent Entries

A positive review from an audio journalist, and the end of ATRAD Audio July 14, 2019
When suppliers go the extra mile February 19, 2019
Continuous Improvement February 15, 2019
A tale of two products January 3, 2019
PP Fixed Bias circuit design and calculator December 17, 2018
A better time delay startup circuit November 14, 2018
Build completed July 28, 2018
Advice comes at a cost July 17, 2018
PCB Party July 14, 2018
Measure twice, cut once July 5, 2018
Hammond Power Transformer temperature problem May 30, 2018
EL84 Amp II – Progress post 5 + listening tests March 24, 2018
EL84 Amp II: Progress post 4 February 11, 2018
EL84 Amp II: Progress post 3 February 2, 2018
EL84 Amp II: Progress Post 2 January 3, 2018
EL84 Amp II: Progress Post 1 December 16, 2017
New project: Another EL84 Amp December 4, 2017
Tone Control Finished November 29, 2017
FFT Tests on the Tone Control November 9, 2017
Gestation photos of the Tone Control project November 7, 2017
New project – Tone Control October 16, 2017
Amplifier Horoscope eCommerce Service September 30, 2017
Fine-tuning the NFB July 17, 2017
Last piece of the EL84 amp design May 17, 2017
EL84 Amp completed May 15, 2017
Some progress on the EL84 amp April 24, 2017
Design made pretty February 10, 2017
Design Process – the ugly end February 3, 2017
Follow the heat waves January 27, 2017
Name Plate attached December 28, 2016

About This Site

ATRAD Audio – All things related to vacuum tube amplifiers

Find Us

Location
Porirua, New Zealand

Contact
Email: info@atrad-audio.co.nz

Phone: +64 (0)4 392 1024

Privacy Policy Proudly powered by WordPress