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Which GK head?

This may sound noobish:

After reading the manual for the cab, I saw some things that confused me. It says, "DO NOT connect more than one amplifier to your speaker enclosure. This will cause damage to your equipment." Does that mean I can't have two cabs being used at one time without bi-amping? If this is true, how come there are two 1/4" Input Jacks on the back of the head? So I start looking on how to bi-amp, but I remember that I can't do this because I have the 400RB which lacks that option. :confused:

Any advice?

Here is the link to the manual: [Invalid or Expired Link Removed]

Running two or more amplifiers into a single cabinet is NOT the same thing as running two or more cabinets from a single amplifier... :rolleyes:

MM
 
?- I have NO such problem- my E comes through like a truck. And yes, the 400RB and 800RB have their own sound and sound nearly identical. And the 800 will BURY the 400.
Next, what is the impedance of the cab you have now? Hopefully it's 8Ohms because if it's 4Ohms and you intend to add another one, you're out of luck with the 700, 800, and 1001RB's- they're only good down to 4Ohms total load.

It was a "slight" exaggeration to make the point of the low end roll off in the 800, as compared to the newer designs with the string filter on. It really becomes evident when you A/B them.

I actually dig the 800 (more so than I did back in the late 80's / early 90's when it seemed like everyone had it or the 400). I don' think the 800 will completely bury the newer 400 though, especially if the 400 is set at 4 string. It's 280 "GK" watts. It smokes.