I just got my new Nova. I purchased a Brakelite SA recently as well. I'd like to use the Nova with 2 1x12 8ohm cabs through the Brakelite. My understanding of parallel outputs means that the 8ohm out on my Nova would need 2 4ohm cabs if patched through the Brakelite (if I want to use 2 cabs). Am I correct? Would I damage the amp of I used my 2 8ohm cabs? Any insights would be appreciated.
2 8-ohm speaker cabinets in parallel would be a 4ohm load to the amp. If connected in series it would be 16ohms to the amp.
Parallel is far and away the most common Y cable. You have to hunt to find a series cable.
Todd ( Pro Cables and Sound) has both, plus a cool interface box that can do either parallel or series.
Edit to add: the two outputs of the Brakelite SA are wired in parallel (so you would not need a Y cable). If all the speakers in parallel have the same impedance, then simply divide the impedance by the number of speakers in parallel.
Example: Two 8 ohms speakers in parallel: 8 divided by 2 = 4 ohms.
Last Edit: Jun 8, 2019 16:55:21 GMT -7 by daddyelmis
I don’t have a Nova so you should post this question in the Nova section and see if anyone ha experience with this.
The nova manual says: “External Speaker Jack: This allows you to use an external speaker cabinet if your NOVA is a combo model. Connect an 8 ohm extension speaker for a parallel load of 4 ohm. If your NOVA is a head model, this will allow you to use a second 8 ohm speaker cab in parallel with your first 8 ohm speaker cab for a total load of 4 ohm. Use the Internal Jack if connecting your NOVA head model to only one 8 ohm speaker cab. Regardless of model, always have a speaker plugged into the amp when it is powered on.”
So you should be able to plug each cab into an output for the 4 ohm load.
I don’t know exactly how to connect the Brakelight in that case. Perhaps (but do not take my word for it) you could use a Y cable to connect both outputs to the single Brakelite input the connect the cabs to the outputs since it would be 4 ohms.
But I’d probably email Don at email@example.com and ask.
Post by captainbeeflat on Jun 9, 2019 2:29:23 GMT -7
As I understand it, the Nova manual says you can use two 8ohm speakers with the amp to form a 4 ohm (parallel) total load. That means the output tranny can handle the 4 ohm load. Therefore, if you connect the brakelite to one of the 8ohm outputs on the amp and connect your 2 8ohm cabs to the brakelite (also parallel), then the amp (output tranny) is still seeing a 4 ohm total load, so will be okay.
Post by premiumplus (Dave) on Jun 10, 2019 7:47:55 GMT -7
You don't need a Y cable going from the amp to the Brake Lite. Use one output from the amp to hook the Brake Lite up to. Then plug one 8 ohm speaker into each of the Brake Lite outputs and you're done.
The post you made before your last one is correct.
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