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speaker combinations for a 3-15 [message #26222]

Fri, 21 July 2017 14:02

terminal is currently offline

terminal
Messages: 20
Registered: June 2009
Location: GEORGIA

Junior Member

I have a 1971 3-15 with CTS speakers (all three speakers are 1377116). My amps are K100-1's. I was thinking about adding a jack plate to the back of the cab with 1/4" TRS switch jacks, maybe one for the top speaker and one for the middle speaker. The 3rd jack (the original) would connect the bottom speaker to the switch jacks (and thus the speakers) in parallel. If I only plug into the bottom jack, I have 5ohms (as original, all three 15"s). If into one of the other two, say the top, then I have 16ohm (like an original K100-15-1).. If I plug into the bottom jack and then plug an unconnected plug into one of the other two (rendering that speaker unconnected), I'd have 8ohm at the bottom jack.

I'd post a schematic of what I'm thinking if I had the post count for links..

anyone try anything like this?

I'd like to try different speaker combos but I don't want to take the back off the cab (45 screws?) ever again!

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[Message index]

		speaker combinations for a 3-15 By: terminal on Fri, 21 July 2017 14:02
		Re: speaker combinations for a 3-15 By: Iowa Boy on Fri, 21 July 2017 20:01
		Re: speaker combinations for a 3-15 By: terminal on Fri, 21 July 2017 20:34
		Re: speaker combinations for a 3-15 By: stevem on Sat, 22 July 2017 05:51
		Re: speaker combinations for a 3-15 By: pleat on Sat, 22 July 2017 10:59
		Re: speaker combinations for a 3-15 By: stevem on Sun, 23 July 2017 06:03
		Re: speaker combinations for a 3-15 By: Iowa Boy on Sun, 23 July 2017 23:12
		Re: speaker combinations for a 3-15 By: terminal on Mon, 24 July 2017 12:00
		Re: speaker combinations for a 3-15 By: stevem on Mon, 24 July 2017 12:41
		Re: speaker combinations for a 3-15 By: terminal on Tue, 25 July 2017 11:44
		Re: speaker combinations for a 3-15 By: stevem on Tue, 25 July 2017 12:29
		Re: speaker combinations for a 3-15 By: terminal on Wed, 26 July 2017 21:04
		Re: speaker combinations for a 3-15 By: stevem on Thu, 27 July 2017 06:00
		Re: speaker combinations for a 3-15 By: terminal on Thu, 27 July 2017 13:02
		Re: speaker combinations for a 3-15 By: Iowa Boy on Fri, 28 July 2017 11:29
		Re: speaker combinations for a 3-15 By: terminal on Sun, 30 July 2017 20:19
		Re: speaker combinations for a 3-15 By: stevem on Mon, 31 July 2017 05:54

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