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Re: K 400b-4 [message #20800 is a reply to message #20799]

Fri, 27 June 2014 06:53

stevem
Messages: 4758
Registered: June 2004
Location: NY

Senior Member

The stereo / mono switch runs the signal of either channel into both of the amps two output stages when in the mono setting, in stereo the right hand channel gets fed to the amps right side power amp, and the left channel goes the other way.
In those days, yes a Y cord was used to run one instrument into both channels, to day you could do the same, or use a A/B type box that is common today.
If it came with JBL D130 drivers than it was not sold as a bass set up, but if you if you still had four of those drivers you could certainly play bass through It at less than loud volumes with no ill. Effects.
Amp circuit wise It makes no difference to the electronics!
I have never seen owners Manuel's on ebay, or anywhere, but I do have them for the K100-1 and -2 non. Combo heads.
Weber speakers makes a driver to replace those 130s, and if you even find blown up D or K model JBL.s on ebay or what not, you can get them reconed into the D130 models, but you will still be spending when all is said and done some 180 per driver!
The Eminence commonwealth driver with its 4" aluminum voice coil cover and 172 buck price tag is the 130s off the shelf replacement, another way you could go would be to get the Jensen Alinco magnet 15 incher and then from weber get a 4 inch aluminum voice coil cover.
With these you can cut off the stock cover and than super glue on the 4 inch cover and get the D130s look and close to the tone for way less of the green from your wallet,

[Updated on: Fri, 27 June 2014 07:06]

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[Message index]

		K 400b-4 By: Iowa Boy on Fri, 27 June 2014 02:40
		Re: K 400b-4 By: stevem on Fri, 27 June 2014 06:53
		Re: K 400b-4 By: pleat on Fri, 27 June 2014 07:07
		Re: K 400b-4 By: Iowa Boy on Fri, 27 June 2014 11:32
		Re: K 400b-4 By: pleat on Fri, 27 June 2014 21:45
		Re: K 400b-4 By: Iowa Boy on Sat, 28 June 2014 00:53
		Re: K 400b-4 By: stevem on Fri, 27 June 2014 11:44
		Re: K 400b-4 By: Iowa Boy on Sat, 28 June 2014 01:24
		Re: K 400b-4 By: stevem on Sat, 28 June 2014 06:37
		Re: K 400b-4 By: pleat on Sat, 28 June 2014 09:07
		Re: K 400b-4 By: pleat on Sat, 28 June 2014 09:24
		Re: K 400b-4 By: rodak on Sat, 28 June 2014 19:34
		Re: K 400b-4 By: Iowa Boy on Sun, 29 June 2014 02:32
		Re: K 400b-4 By: pleat on Sun, 29 June 2014 07:33
		Re: K 400b-4 By: Iowa Boy on Sun, 29 June 2014 02:36
		Re: K 400b-4 By: rodak on Sun, 29 June 2014 14:57
		Re: K 400b-4 By: Iowa Boy on Sun, 29 June 2014 16:08
		Re: K 400b-4 By: rodak on Sun, 29 June 2014 16:49
		Re: K 400b-4 By: Iowa Boy on Sun, 29 June 2014 18:13
		Re: K 400b-4 By: Iowa Boy on Sun, 29 June 2014 18:21
		Re: K 400b-4 By: rodak on Sun, 29 June 2014 19:32
		Re: K 400b-4 By: pleat on Sun, 29 June 2014 19:43
		Re: K 400b-4 By: rodak on Sun, 29 June 2014 19:58
		Re: K 400b-4 By: pleat on Sun, 29 June 2014 20:07
		Re: K 400b-4 By: Iowa Boy on Sun, 29 June 2014 22:33
		Re: K 400b-4 By: pleat on Sun, 29 June 2014 22:57
		Re: K 400b-4 By: Iowa Boy on Mon, 30 June 2014 00:44
		Re: K 400b-4 By: pleat on Mon, 30 June 2014 06:27
		Re: K 400b-4 By: rodak on Mon, 30 June 2014 10:54
		Re: K 400b-4 By: pleat on Mon, 30 June 2014 16:47
		Re: K 400b-4 By: Iowa Boy on Mon, 30 June 2014 11:57

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