I currently have two 16 Ohm Celestion Blues wired in parallel. I've also tried one Celestion Blue and one Celestion Gold. The Celestion Blues and Golds are good speakers, but to my ears don't really impart the chime, creaminess and warmth of what a vintage AC-30 should sound like. They are brighter and more aggressive sounding. I'm looking to get two 8 Ohm new production Alnicos and will wire them in series. Possible combinations I'm considering are: - One 30 watt Scumback Scumnico SC75 and a 30 watt Weber Blue Bell with Pre-Rola dope - One 65 watt Scumback Scumnico S75-PVC and a 30 watt Scumnico SC75 - One Weber Blue Bell 30 watt and one Weber Silver Bell 30 watt The Scumnico and Weber pairing seems to be popular among those who have the JMJ-30. I'm also very intrigued by the Scumnico combo - getting the low end from an SC75 and the upper mid chime from the S75-PVC. The clips on the site sound great - real smooth and warm with all the complex stuff that goes on in the mids and upper mids. I contacted Rob at Valvetech to get some input from him and he said the Scumnico's were the smoothest sounding speakers he'd ever heard. I'd love to hear from anyone who has any experience with any of these speakers or other suggestions of alnicos for an AC-30 circuit and trying to get a more vintage sound.