first I am very new to bass playing. I have a Ampeg BA-210 combo (400w), can I add Orange OBC 115 (400w) as an extension cabinet? how would I power it? What cable to connect it?
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Manual
looks like you connect an extension cabinet via a 1/4" cable to the 115. The extension cabinet needs to be 8ohm (which it is according to the Orange website).
https://orangeamps.com/products/bass-guitar-speaker-enclosures/obc-series/obc115-speaker-cab/
You can’t (I think) use a 4ohm cabinet as an extension.
You need to use 1/4" speaker cables to connect the cab not instrument cables according to the manual.
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Thank you so much. I thought I could do that but I wanted to make sure I was not missing something.
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Good answers above. I’ll add FYI that combos that support adding an external speaker cab (like yours does), actually only deliver about 1/2 of the rated power to the internal speaker. To get the full power rating, you need to attach an external cab. The internal speaker is almost certainly an 8 ohm speaker. Adding an 8 ohm cab creates a 4 ohm load for the amp, effectively doubling its power output.
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