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Ampeg B100R line out?

Hi guys, after reading through some threads here trying to figure out my first bass amp purchase, I decided on a very mint Ampeg B100R from the SLM era of Ampeg. I am new to all this and am wondering how the line out on this amp works, if I wanted to use it to go into small PA would I just use a guitar cord from the line out of the amp to the mixer? Thanks!
 
Oh....dang, so then I would need to buy a DI? The line out on this B100R is just a 1/4 female jack. Please forgive my lack of knowledge, I am an old dude and technology escapes me. Last time I was around this stuff 4 track recorders with cassettes were high tech!!
 
oh gee, i always thought it had an xlr, but i just looked up the manual, and apparently it doesn't. well you can run to the board using the line out, but if you have to use a cable longer than 30' it's not recommended because it's a high impedance connection, which causes it to lose high frequency response as the cable gets longer. to me it's not an issue because i don't like those highs anyway, but it may be an issue to you and your soundman.
 
The line-out on a B100R is a 1/4 inch jack. The B200R has an XLR out and a level control, and the output sounds really good, by the way. You'll need to buy a DI or an impedance matching line-transformer (much cheaper) unless you're running a very short guitar cable to the board.
 
+1 to what everyone is saying. The line out is post-eq btw so if that is appealing to you, you may want to take the advice of stiles72 with a di box after the line out if you can get away with it.

I use a Groove Tubes Brick tube preamp/di with upgraded nos tubes that sends my unaltered bass signal thru to my mic'd B100R via its thruput, and sends my tube flavored direct signal to the soundman. I use both a mic and this because, one, I love the way this amp sounds even more with some tube blended in the mix, but mostly because I often have to lean on the p.a. quite heavily given the amps low wattage and I want the B100R sound to be up front and heard rather than it taking a back seat to the di signal.

I carry my own mic to use at gigs also, an EV RE20. I think it captures this amps character very well. Some soundguys don't appreciate it much, but hey...its supposed to be your idea of tone/sound reaching people, not his.