SteveXFR Posted October 23, 2021 Share Posted October 23, 2021 I'm using an Orange Terror head which has two 4 ohm speaker outputs and at the moment I'm using a single Orange 4x10 8 ohm cab. I'd like to add a 1x15 cab for some extra bottom end. Would the 1x15 have to be 8 ohm as well or will 4 ohm be OK? Does it matter whether it's an Orange cab? Quote Link to comment Share on other sites More sharing options...
Jus Lukin Posted October 23, 2021 Share Posted October 23, 2021 (edited) - Edited March 15, 2022 by Jus Lukin 5 Quote Link to comment Share on other sites More sharing options...
Bill Fitzmaurice Posted October 23, 2021 Share Posted October 23, 2021 Like he said. 115s in general don't add any low end to 410s, and they have lower sensitivity and maximum output. That said, where 410s are concerned the Orange OBC isn't exactly stellar, being loaded with entry level Eminence Beta 10 drivers. I'd be looking at replacing it, rather than trying to augment it. 6 Quote Link to comment Share on other sites More sharing options...
bassman7755 Posted October 23, 2021 Share Posted October 23, 2021 8 hours ago, SteveXFR said: I'm using an Orange Terror head which has two 4 ohm speaker outputs Your amp does not have two 4 ohm outputs, it has one 4 ohm output with 2 parallel output jacks wired to it. Which is why ... 7 hours ago, Jus Lukin said: Looking at the manual, the minimum load is 4 Ohms, so both cabs would need to be 8 Ohms. It will do 1x8, 2x8, or 1x4. ... is the formula you are looking for. Quote Link to comment Share on other sites More sharing options...
SteveXFR Posted October 23, 2021 Author Share Posted October 23, 2021 It can also be switched to 2 Ohms. Quote Link to comment Share on other sites More sharing options...
warwickhunt Posted October 23, 2021 Share Posted October 23, 2021 1 hour ago, SteveXFR said: It can also be switched to 2 Ohms. Which Orange Terror amp can be switched to 2 ohms? Quote Link to comment Share on other sites More sharing options...
SteveXFR Posted October 24, 2021 Author Share Posted October 24, 2021 8 hours ago, warwickhunt said: Which Orange Terror amp can be switched to 2 ohms? It seems my eyesight has let me down there. I was sure the label said 2 / 4 ohms. I just put my glasses on and it actually says 4 / 8 ohms. Quote Link to comment Share on other sites More sharing options...
fretmeister Posted October 24, 2021 Share Posted October 24, 2021 Mixing cabs is always a compromise. EQ settings cannot be perfect for both. Sell the 4x10 and get something that gives you what you need in a single cab, and then if you still want more, get another identical one. 2 Quote Link to comment Share on other sites More sharing options...
chris_b Posted October 24, 2021 Share Posted October 24, 2021 2 hours ago, fretmeister said: Mixing cabs is always a compromise. EQ settings cannot be perfect for both. Unless they were designed to be mixed. Mesa Subway, Bergantino and my EV loaded Mesa cabs do/did mix. Others may do but you'll have to find that out. Quote Link to comment Share on other sites More sharing options...
Bill Fitzmaurice Posted October 24, 2021 Share Posted October 24, 2021 If they don't have a crossover that assigns different pass bands to different drivers they weren't truly designed to be mixed, advertising claims notwithstanding. I've yet to see definitive objective data that says otherwise. Quote Link to comment Share on other sites More sharing options...
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