Try contacting "Andy" at Vintage Tube Service. The link is http://vintagetubeservices.com/mini-tubes-2/
I have a modwright modded Oppo 105D and I struggled for a while finding the right tubes. Andy was -and I believe- still would be very patient and very helpful in steering me in the right direction. He also ships as he promises he will and, probably, will allow you to return tubes that are not to your liking. Good luck, I feel, or did feel, your pain in this endeavor.
I have a modwright modded Oppo 105D and I struggled for a while finding the right tubes. Andy was -and I believe- still would be very patient and very helpful in steering me in the right direction. He also ships as he promises he will and, probably, will allow you to return tubes that are not to your liking. Good luck, I feel, or did feel, your pain in this endeavor.