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Ampeg B100R Rocket Bass

#42
Bongolation said:
Sorry, it's not.

I just pulled off a corner and checked again.

It's exactly what I said -- plain sheet vinyl, no padding, no backing of any kind.

It's also too thick for shower curtains, I should think.

This is a ~2007 Yellville build, so I can't say what happened in previous years nor since.
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Well maybe they used a higher grade on the B-15R and supplied Jess with it. Oh well...before my endorsement time anyway. Now quit peeling at it and glue it down ;)
 
#45
I just got done fixing mine. The headphone jack metal springs were sticking and cutting off the signal to the speaker. It could be just barely making a connection and causing some crackle noises? Other than that, I haven't had a single issue with mine. I tend to keep my high mids and treble flat. I put my low mids at 1 or 2 o'clock. I either have my bass at 3 o'clock with the low boost off or 1 o'clock with it on. I never have the mid or treble boost on. Also, I play with a pick. I get a nice punchy sound with a nice bottom.
 
#46
BFunk said:
My suggestion is set all the eq flat. This means all switches in up position, and all tone controls straight up. Turn the main volume to about 3 and gain all the way down. Play your bass hard and bring up the gain until the red overload light just starts to flash on your hardest notes. If you want a clean tone, then back it off a little. If you want overdrive, turn it up until the red light comes on most of the time and back off to taste. (The overdrive sound in this amp is very good IMO.) Once you have the gain set, bring up the master volume to meet your loudness needs. If you have more gain, you will typically need less master volume. So try to balance these out as needed.

To set the eq, you should try cutting first. If you boost a lot, you will likely have to adjust the gain and master again. There is nothing really wrong with this, but it is just a little harder to get where you want to go. Typical problems are muddy mids. Try cutting low mids a little. One or two notches are usually sufficient. You may want to raise the upper mids a bit to help you cut trough the mix. Often that scooped mids sounds we love so much in the bedroom just gets buried in the mix. Another trick is to cut the bass a little and boost the low mids. You may have to cut a little upper mids too and add a touch of treble. I highly recommend spending time practicing with the eq on your own. Getting accustomed to how the gain and eq work together is really key to getting a good stage sound quickly.

Finally, about the eq buttone: they are really terrific little devices. I would save those for one-stop tone changes. Let's say you are playing some trad blues: hit that bass button. Moving to modern r&b or pop: hit the mid cut switch. Wanna rock out: the treble switch will get you there in short order.

Finally, you have one of the best sounding combo amps out there at any price. I know I love mine.
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Listen to this man, he knows the real deal...
 
#51
Coolhandjjl said:
I heard that also. The way you described it is spot on. I opened up the amp part and gave all the pots and jacks a good deoxit job. I also gave all my bass's output jacks the same treatment. I believe it has been resolved.
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I had the same problem and that fixed it. THANK YOU!!!

I had 2 expensive heads go bad and a cabinet start to make buzzy sounds the same week the Ampeg started making that sound. It was a bad week. Thanks again for that simple fix.
 
#54
I love this amp so much that I, too, have two of them- one for the studio, and one that lives in the back of my van. I gig it at least once a week, I pretty much set everything flat and adjust according to the room. Usually my input gain is set around 1/3 whatever my master volume is set, which is usually around 8:00 for the gain and 1:00 for the master on my most regular gig. I'll often find that I have to roll off a bit of the bass, and almost always roll off the treble by about 25%, sometimes boosting the high mids to compensate.

I've never engaged any of the "boost" buttons, but I *do* plug my active bass into the passive input. My favourite thing about this amp is that for casual gigs, it's just the right size to sit on! My least favourite thing about this amp is that it weighs 65 lbs... I actually just ordered a Carvin microbass combo (30 lbs!!!) to give my back and joints a bit of a rest. I also wouldn't trust this amp in any scenario where the volume needs to be run above 60%... years ago (before I knew any better) I would bring this amp out to a regular gig that required the master to be at 80-100% in order to cut through the mix. I had 2 of these amps completely cut out on me under those circumstances, and ended up finishing sets through the PA on both occasions. As far as tone goes, I don't know of a prettier sounding amp. It seems like the tone gets prettier the farther you get away from it... just a big bubble of beautiful bassy bliss.
 

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