I use a great DHT preamp made by a wonderful gentleman names Radu Tarta. He is located in CT and designs & builds custom tube amps. His DHT preamp can be customized to suit your needs, is built like a tank and features great components. I did not opt for it but Radu does offer a remote control version. It's a lot of preamp for the money. Look here: 4P1L Preamplifier
You may also consider the Mir Preamp by Kevin Carter at K&K Audio. Kevin is the U.S. distributor for Luhndahl transformers. I have never used his preamp but I have tries his Maxxed-Out Phono Stage and it was great. Another product with outstanding build quality and a unique design from a small specialty firm. See here: K&K Mir Preamp
You may also consider the Mir Preamp by Kevin Carter at K&K Audio. Kevin is the U.S. distributor for Luhndahl transformers. I have never used his preamp but I have tries his Maxxed-Out Phono Stage and it was great. Another product with outstanding build quality and a unique design from a small specialty firm. See here: K&K Mir Preamp