I have for sale a pair of Vanderveen output transformers. I ordered them through Menno's website and they were made by Trafco. They haven't been used.
Primary impedance 4K
Seconday impedance 0/4/8 ohm
https://www.mennovanderveen.nl/index.php/nl/producten/push-pull/vdv-4040-ppe-detail
$100 plus shipping for the pair.
Primary impedance 4K
Seconday impedance 0/4/8 ohm
https://www.mennovanderveen.nl/index.php/nl/producten/push-pull/vdv-4040-ppe-detail
$100 plus shipping for the pair.