Audiophile Transformers
Tube output

Tube amplifier output transformers
Moving coil input

Moving Coil step-up transformers
Input and DC-free line output application

Input and parafeed line output
Interstage, headphone and line output transformers

Power transformers

Mains transformers for tube amplifiers

Chokes and nothing but
A lot of Lundahl's transformers are available with Amorphous cores, silver wire or both options.
Please inquire if the model you are looking at is available with the above options.