Question to 6L6 tube experts

Arthur: My amp is Nightingale ADM-35 integrated (www.nightingale.it) powered with eight Sovtek 5881/6L6WGC tubes.

Sorry to bump an older thread. I stumbled upon it while trying to research some questions. I have a Baldwin 6L6 tube amp that I can't find much information on.

Here are the current tubes in the amp.

3 12AU7 tubes
2 Harmon Kardon 7408(6V6GT)tubes
2 Baldwin 6L6GB tubes
1 Baldwin 54UGB tube

Max Robinson from funwithtubes.net was nice gent who responded to my inquiries very quickly & suggested that my amp should be running with 4 6L6 tubes rather than the split I have now.

I've been listening to this tube amp for some time now with the current tube complement and I really do enjoy it. It is matching well with a pair of KEF 103/3 speakers I have along with an Accuphase C-200 preamp.

Does anyone have any experience or thoughts on a quad of 6L6GB tubes vs a pair of 6L6GB and 6V6GT tubes sound quality wise? Is the 6V6GT tube close to a 6L6GB tube in terms of SQ? Would I be gaining a lot by going to a quad of 6L6GB tubes?

The reason I ask is that I can't find any other info on the Baldwin tube amp I have and I have no idea on how to rebias it should I want to change power tubes. That and I don't know if the current tube complement I have is what is meant for it. As of right now I don't have the funds to take it to a quality tech for review. Also a wallet friendly matching NOS quad of 6L6GB tubes is hard to find too.

Thanks in advance.

Jedinite24, as per articles by Jeff Day and others I would contact Jim McShane, inquire about the NOS 6L6 Russian tube 6N3C-E also known as a 6P3S-E, cost is around $65.00 per quad, very reliable and sound great! I have a quad in my Primaluna Dialogue 1 and they completely transformed that unit. Read Jeff Day Blog, he has them in his Leben amps. Jeff wrote on them at 6 Moons.

I use new Gold Lion kt66 in my Eico's and they are wonderful.