There are pretty much three worth buying in this range, assuming you seek a line preamp only:
Melody Pure Black 101
Valvet Soulshine (6sn7 version)
Valvet L2
All three are 6sn7 based. You can buy them new and they will outperform preamps you can buy used that were once more expensive.
Phil
Melody Pure Black 101
Valvet Soulshine (6sn7 version)
Valvet L2
All three are 6sn7 based. You can buy them new and they will outperform preamps you can buy used that were once more expensive.
Phil