These papers are available in .pdf format. (See our "home" page for info on format and viewer).

• Mixed feedback drive circuits for audio output transformers

• Grounding and shielding

• On winding arrangements in output transformers

• Quality aspects of Lundahl Transformers

• Our Audio Transformer Design Philosophies

Per Lundahl, web_master/AT/lundahl/DOT/se
Lundahl Transformers AB
Tibeliusgatan 7
SE-761 50 Norrtälje
SWEDEN
Phone: +46 - 176 139 30
Fax: +46 - 176 139 35
Email: office/AT/lundahl/DOT/se