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K200 at 2 ohms? [message #5630]

Tue, 22 March 2005 23:17

voided3
Messages: 200
Registered: July 2004

Senior Member

Hello. As I have said many times before, I have a K200-B6 and a Jensen 2x15, among other Kustoms, that go well together. I recently got a Traynor 2x15 cab as well, and that is wired at four ohms. I felt like being dangerous and ran the 8 ohm Kustom and the 4 ohm Traynor together on my K200, and holy crap what a sound! Only thing though, I measured the DC resistance on the cabs in parallel and it came out to about 2.6 (the Kustom is about 6.8 and the Traynor is at 4.1). Is that safe for my head considering the increased voltage? I noticed the pilot light blinked a little dimmer, like when I use the head at 4 ohms, but a little more sensitive. Thanks!

P.S.- I know it's an impedance mismatch, but i've had good luck with those. My full stack has a 8 ohm Orange cab and a 16 ohm Crate cab, and the two balance perfectly, and so does the Kustom/Traynor combo (and yes, I do know that the cab with less resistance gets proportionately more wattage).

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Re: K200 at 2 ohms? [message #5631 is a reply to message #5630]

Wed, 23 March 2005 08:19

stevem
Messages: 4747
Registered: June 2004
Location: NY

Senior Member

Its not more voltage, but more current that the output stage must provide as you go down from 4 ohms to 2ohms, A speakers impedance is the lowest at low frequences, so if you are playing bass thru the amp you stand a good chance of blowing it, with guitar at modest volumes you may get by. Play it at 4 ohms for a time, make note of how hot the back gets.Then run it at 2 ohms for half that same amount of time, if in that shorter time span it gets has hot as it did at 4 ohms, your playing with fire!!!

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Re: K200 at 2 ohms? [message #5632 is a reply to message #5630]

Wed, 23 March 2005 08:46

stevem
Messages: 4747
Registered: June 2004
Location: NY

Senior Member

I think I have that same type traynor 2-15 cab.Does it have that molded plastic trim around the perimeter of the sides, and the grill frame that is velcroed on.? When I got my cab it was unloaded. I put in 2 EVs and the port tubes from a flodded out kustom cab. I put the tubes in with what would be the normal outward face, on the inside of the traynor. For the cabs size it sounds great, it has no uneven boom at all.All note are reproduced with the same punch and volume.

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Re: K200 at 2 ohms? [message #5634 is a reply to message #5630]

Wed, 23 March 2005 10:40

edforgothispassword
Messages: 202
Registered: July 2004

Senior Member

didn't someone sometime make a splitter box that lets you do this so that the lowest ohm load would only be the Traynor cab?...you still hit em both, but the amp sees each one seperately I thought..also...if he had the big ol kustom 400 heads which have seperate output amps on each side....could he not get away with it that way?...he'd be hitting eachcab with the full 100 watts rms from each channel on the 400..double your sound..awesome...

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Re: K200 at 2 ohms? [message #5668 is a reply to message #5630]

Wed, 30 March 2005 21:11

voided3
Messages: 200
Registered: July 2004

Senior Member

Hello. Yes, it is the "bumper style" Traynor. Did you have any noticable change in sound if you used it sealed and then ported? Yes, I could use two amp heads or one 400 on this rig, but that costs money (though I do have three guitar heads, two being Kustom, but I use my blue PA on the stack and the black K200-B6 on everything else for fun). I'd use this set-up for guitar more than anything since I have a SVT bass rig, and since that 2.6 ohm rating is so close to a DC rating of a standard 4 ohm, maybe I can get by. Perhaps I could also just port the Traynor cab and rewire it for its stock 16 ohms in series and then parallel it with the Kustom for a 8 + 16 combo around 5.6 or so, but the idea of having the Traynor as the low imdedance cab was to balance out the Kustom 2x15 since its so fricken loud in the way it's voiced. Anyway, thanks for the ideas!

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