Members humanoid_bob Posted May 9, 2012 Members Share Posted May 9, 2012 Anybody done it? Anybody see a problem with it?Looking online, it seems most of the information I've found is almost evenly split between it being a bad thing and being ok to do.I have the matching 4x12 cab so I'm not in dire need to try it, but it is huge and weighs a ton.I have a 4x10 Marshall cab that sounds great and is much more maneuverable that I'd love to try with this head. Link to comment Share on other sites More sharing options...
Members sxyryan Posted May 9, 2012 Members Share Posted May 9, 2012 To stay on the safe side, I always try to keep ohms matched as I can never remember which direction is safe to go. But I'm giving you a friendly bump as I have a mid 70's Bassman 100 and matching 412. That thing is a monster. Link to comment Share on other sites More sharing options...
Members PrawnHeed Posted May 9, 2012 Members Share Posted May 9, 2012 Electrically, it will be fine. One step up or down is not an issue. The impedance of speakers (and therefore cabs) is a nominal thing. Is this a sealed bass cab? If it is, it might not sound as great with a guitar. Link to comment Share on other sites More sharing options...
Members ugameus Posted May 9, 2012 Members Share Posted May 9, 2012 You might check out the Weber Z-matcher. It is an impedance matcher. I have one and now I can use any head with any cab I want. I like it. Link to comment Share on other sites More sharing options...
Members Deadbeat Son Posted May 9, 2012 Members Share Posted May 9, 2012 Link to comment Share on other sites More sharing options...
Members sxyryan Posted May 9, 2012 Members Share Posted May 9, 2012 You might check out the Weber Z-matcher. It is an impedance matcher. I have one and now I can use any head with any cab I want. I like it. Never heard of that before. Gonna have to look into that. Link to comment Share on other sites More sharing options...
Members Deadbeat Son Posted May 9, 2012 Members Share Posted May 9, 2012 You might check out the Weber Z-matcher. It is an impedance matcher. I have one and now I can use any head with any cab I want. I like it. Another option, for those who live in the UK and are handy with a soldering iron, is the Box of Matches. http://www.ampmaker.com/store/Box-of-Matches-30W.html Link to comment Share on other sites More sharing options...
Members sxyryan Posted May 9, 2012 Members Share Posted May 9, 2012 Does anyone have a link for the Weber one? Or anything comparable in the US? A kit would be fine too. Link to comment Share on other sites More sharing options...
Members Deadbeat Son Posted May 9, 2012 Members Share Posted May 9, 2012 Does anyone have a link for the Weber one? Or anything comparable in the US? A kit would be fine too. http://taweber.powweb.com/store/zmatch.htm Link to comment Share on other sites More sharing options...
Members Brown, Charlie Posted May 9, 2012 Members Share Posted May 9, 2012 Electrically, it will be fine. One step up or down is not an issue. The impedance of speakers (and therefore cabs) is a nominal thing. +1 Perfectly safe with bf/sf fenders as long as the amp is in ok condition. A 4ohm head into an 8ohm cab won't be as loud/clear as a 4ohm cab but it works fine. I run my bassman 50 into an 8ohm cab with no problems. Link to comment Share on other sites More sharing options...
Members WRGKMC Posted May 9, 2012 Members Share Posted May 9, 2012 I've owned by Bassman since 1968. Running it at 8 ohms should be fine. Dont run it at 16 ohms though. I blew the 1w grid resistors in mine several times as a young kid when I didnt know jack about impedance. It takes awhile, but it damages the power tubes. They eventually glow cherry red and take out thegrid resistors. Mines only a 50W but its basically the same circuit as a 100W. I was luckey it didnt take any transformers out. Its important you never replace the grid resistors with a higher wattage. I've heard many cases where they did and instead of taking out a $1 resistor they take out the Power transformer. Ive been running mine at 8 ohms for the past 10 years and the same Groove power tubes with no issues. I wouldnt run it at 2 ohms, Too much heat. Just stick with 4 or 8 and you'll be fine. Link to comment Share on other sites More sharing options...
Members humanoid_bob Posted May 9, 2012 Author Members Share Posted May 9, 2012 Thanks for the replies. I'll try out the 410 cab and see how I like it now that I know it won't blow up the world, trigger a zombie apocalypse, or signal an alien invasion. Link to comment Share on other sites More sharing options...
Members humanoid_bob Posted May 9, 2012 Author Members Share Posted May 9, 2012 Electrically, it will be fine. One step up or down is not an issue. The impedance of speakers (and therefore cabs) is a nominal thing.Is this a sealed bass cab? If it is, it might not sound as great with a guitar. Its a guitar cab. Its a Marshall 1965A lead. Its the only I've seen besides a few on Ebay. Apparently they weren't that popular, but I think it sounds great. And the light weight makes it great for gigging. Link to comment Share on other sites More sharing options...
Members Malcolm Ramone Posted May 9, 2012 Members Share Posted May 9, 2012 Doesn't the 100 have a mid control and a master volume? If so, color me jealous! I dig my Bassman 50, but it does seem too have too much bass & treble! It was more noticable running through my cheapo Crate GX412 cab than the Crystal Clear Labs 2 x 10 shown here, it has Jensen Mods. -Adam Link to comment Share on other sites More sharing options...
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