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Chef's Carvin B1500...

Yeah, but there's still a ton of power left in the drive tho.
I'd much rather have a seperate tube color control, and have gain, pregain, input level-whatever you want to call it-seperate from this.

Yeah, the fact that overall volume is such a strong function of the Drive control bugged me at first too, until I discovered that I really like the way the B1500 sounds with Drive cranked anyway. Now I pretty much view Drive as a Gain control in a typical amp.

Maybe it's a semantics issue more than anything, or a dislike for the unfamiliar. If you're anything like me, you'll probably come to appreciate the amp for what it does and ignore the unconventional way it does it. Looking forward to your post-gig review.
 
Yessir, same taste in cabs. I'd love to see pics of the Rickenbacker 5 you built sometime. PM me, or start a thread or something-that sounds very nice.

you can check the picture from this link:
Link Removed
...sorry I ´m still not familiar how to post links here.

in the pic there is the bass and the case I´ve made for it.
 
Ummmmm.....
Thinking what to say here...
OK, here goes:
1993 G&L 2500 into the amp. This bass is the swiss army knife of all time. I know I can count on it to be able to come up with groovy tones one way or the other-it's a bass of many voices. Felt like I needed that last night since I was working new turf. Didn't wanna just take a Precision and be stuck with one voice that mebbee wasn't gonna work, ya follow?
Schroeder 410R on the back end. Bad mutha of a cab, rated for 1400 watts at 4 ohms, should take everything the Carvin has: it's 1500 watts at 4 ohms.
Set everything flat, drive on 2 volume on 3...sound guys is telling me to bring it down: 10-4, volume to 2, dial the G&L back to single coil and turn the preamp off. Sound guy's happy.
Play my set: bring the treble and high mids up to 3 o'clock to get some cut on stage, turn the G&L's preamp back on for the same reason, dial the drive down a tad. Fine...sounds good.
Another TB'er in the room agrees as I check with him between songs. Kewl. Finish the set.
Go to turn it off, and the heat coming off this thing is *un-freakin-believable.* I mean, burn your fingers, starting to smell bad hot.
This...can...not...be...right. The dang thing was "set to idle speed." So... I don't shut it down, but leave her running so the fan can bring her down-yeah, I checked, the fan was indeed on, and I heard it come on with initial power up.
5 minutes later...she's actually...hotter...stinkier...so, I shut her down.
End of story for now.
Not good...
I emailed customer service when I got home, I'll call today 'bout 10 am Cali-time, but I bet they're not there til Monday.
 
Bummer... per our PM's, I guess this is part of the issue with some low cost gear. I was very impressed with mine the short time I had it for the try out, and the quality looked great. However, there have been quite a few posts when you read back through the threads about problems, mostly right out of the box, and mostly taken care of quickly by Carvin.

I guess this is part of the price paid with low cost gear... consistency. Kind of like Fender basses.... if you get a good one, they are as good as anything made. But, you have to wade through a bunch to find one that is 'good'.

Bummer again. Seems like enough of these issues are coming up that there does seem to be an issue here.

Hopefully, they will take care of you.
 
They did well with "strike one," when it showed up with shipping damage: ups call tag the next day.
We'll see how they do here...no harm-no foul, they make it right, and I'll be fine with it.
 
Ummmmm.....
Thinking what to say here...
OK, here goes:
1993 G&L 2500 into the amp. This bass is the swiss army knife of all time. I know I can count on it to be able to come up with groovy tones one way or the other-it's a bass of many voices. Felt like I needed that last night since I was working new turf. Didn't wanna just take a Precision and be stuck with one voice that mebbee wasn't gonna work, ya follow?
Schroeder 410R on the back end. Bad mutha of a cab, rated for 1400 watts at 4 ohms, should take everything the Carvin has: it's 1500 watts at 4 ohms.
Set everything flat, drive on 2 volume on 3...sound guys is telling me to bring it down: 10-4, volume to 2, dial the G&L back to single coil and turn the preamp off. Sound guy's happy.
Play my set: bring the treble and high mids up to 3 o'clock to get some cut on stage, turn the G&L's preamp back on for the same reason, dial the drive down a tad. Fine...sounds good.
Another TB'er in the room agrees as I check with him between songs. Kewl. Finish the set.
Go to turn it off, and the heat coming off this thing is *un-freakin-believable.* I mean, burn your fingers, starting to smell bad hot.
This...can...not...be...right. The dang thing was "set to idle speed." So... I don't shut it down, but leave her running so the fan can bring her down-yeah, I checked, the fan was indeed on, and I heard it come on with initial power up.
5 minutes later...she's actually...hotter...stinkier...so, I shut her down.
End of story for now.
Not good...
I emailed customer service when I got home, I'll call today 'bout 10 am Cali-time, but I bet they're not there til Monday.

Bummer. That definitely sounds like an aberration to me. I've had mine outdoors in 95 degree heat for hours, driving an Acme B-4 with no PA support, and never had it get as hot as you describe.

I think they'll take care of you. Other people have other stories, but my experience with them on those few occasions when I've had a problem with my Carvin gear has never been anything but good.

I hope it's not something like an entire bad run of parts. Here's hoping it's just a freak. I think when you get a properly working B1500 you'll at least see why some of us like this unit so much, regardless of whether it turns out to be the exact right choice for you personally. (Oh, and for DB, try it with an outboard para EQ if you don't think the built-in fixed EQ will cut it.)

Good luck, and let us know how things shake out.:bassist:
 
Did you have the T-Funk there to A/B it with?

I think I did that comparison in another post a while back, and I'm sure Chef will do it in more detail when he gets his amp back in good working order.

A quick summary of my impression:

TF... much warmer in the mids, much less sizzly on the upper treble range, tighter, punchier low end.

B1500...MUCH louder with the ability to deliver thundering low end... similar to the Glock HR. Not the same 'warm articulation' as the TF, since when you turn the drive up, it quickly gets somewhat 'dirty and tube like warm' versus the clean and subtle mid warmth of the TF.

The TF's treble response is much 'prettier' and more usable if you are a 'modern roundwound' type player.

I'll look forward to hearing Chef's 'on the gig' comparison eventually, which will be more accurate than my 'basement comparison'.
 
I ran mine at 2 ohms on real hot texas summer days. outdoors shows at 8 pm air was still about 102 or so.. the amp got real hot.. but it did not have that smell you were talking about.. it was blowing real hot air out the front port..kind of it would cook an egg type hot.. but i put 30 gigs on it after with varying loads with no problem and no smell.. i wonder if yours is a funky unit or if the smell is oil residue left on sheetmetal?? anyway you are doing the right thing to send it in.. And they do have great customer service.

and that reminds me of a story.
I bought one of their FET1000 power amp in the late 1980s for my bass rig,, the thing sounded great but if for some reason the mosfet would blow about every 8 months...
So i sent it back to them about 4 times for repair... Ok some would think thats excessive but again i had patients and they did good by me..
I had the amp for about 5 years and it blew again.. I called Dave Flores that used to work there and explained my story too him how it has been on repair so many times and it is out of warranty for years..
He appologised and said they have a new DCM series that fixed any problems that they had with the FET series..
He sent a call tag and i had a new DCM1500 on my door step a few days latter.. Brand New. All i paid was the shipping....
And that original amp was out of warranty for 5 years already and they replacedit with a new amp..
Now That Is Great Customer Service!!! I never expected that.
The newer DCM1500 Power amp has been on numerous gigs overthe years without one hickup at all..
So for me their CS has bee Exceptional.
Sorry to go off ,but I hope they are able to make you as happy as I was after they did the right thing.. well better than the right thing....
 
Nosir, I dind't take the TFB to A/B with on stage, not really the right time to do that when the show needs to roll. I'll do that in a rehearsal environ when I get this figgered out, but:

Alrighty then...powered it up...still smells burnt.
Hadda dial the treble back, too bright. Same bass, same cab, same cables, even hooked an xlr to the DI just to make every damn thing the same. Been banging on it for an hour now...
Running fine, sounds fine, cool as a cucumber.

what's that about?

Still blowing burnt stink out the front ports. I'll maybe open later today after I phone C.S. Website shows they're open 8am to 4 Cali time...
 
when you pop the hood.. see if there is any condensation around the rectifier block.. it is a small square module about the size of a book of matches.. secured the base of the unit floor inside..if i remeber correctly...
there will be a screw passing through it and four wires going to it .. one at each corner...DONT TOUCH IT if you are plugged in.. you will get shocked!
It may also be located in the center of the power supply board with some big black caps on it..
Sometimes if there is alot of condensation in the amp like taking it in from the cold into a room.. vapor will accumulate in the amp.. and i have seen in other pieces that the condensation will at times make small archs from the center screw to one of the wire posts on it.. giving you a sort of Ozone type smell... it usually goes away after a while and the vapor is gone.. I dont thinkthat is it with your amp but its worth a try..
If you do have the top open and you have it plugged in and that is the problem you will see the arching in a dark room... just an FYI...
i dont remember if that amp has a rectifier block on the PC board or if it has the diodes themselves in a square pattern .. but you will see it..

Hope that helps...
 
SMASH.... I have no idea about the quality of the parts. I also felt that the amp was very well made from my short time with it, but primarily due to the great feeling pots, the metal knobs, the quiet fan... all the stuff you mention. It just felt great, and sounded good also.

In the past, Carvin was known in general for stuff breaking down, and for simply horrible sounding bass gear. It seemed to me that the B1500 was built like a tank and a quite different offering from them.

However, I've seen a number of posts about problems with these, and am trying to figure out why... its it poor manufacturing Quality Control, or is it something about the parts inside that help keep the cost down so incredibly low... or is it just a few isolated cases.

I agree, I do not know for sure. I hope it's just a few isolated instances, since it really is an amazing price for such a powerful and seemingly well made head.
 
I would not say carvin uses less *few* parts , but they certainly use smaller parts on their PCBs - PC Boards..
when i had the hood off of mine, i saw carvin uses surface mount parts on their PC boards, they are tiny resistors and caps.. unlike the aggy that uses regular full size components..
The surfacemount parts are far smaller than the later.. Harder to replace by hand in my opinion. if you drop one while soldering forgetit, you will never find it.. it disapears...unlike a full size resistor, cap or diode.
The same value part may be 1/4 or 1/8 the size and does not have component leads but mount directly to the PCB.
I would assume that makes a difference in sound in some way... I guess thats up to the ears and electronic measuring devices.. however the carvin does sound really good in my opinion..and has headroom for days...
Chef, that's a shame. I was thinking "uh-oh" when I read you were getting a repaired one back. I'd have insisted for new.

KJung, you're normally a paragon of logic in threads about damaged gear, but I think you're off the mark on this one. Do you know that the B1500 uses cheap parts?

It uses *few* parts so that keeps the price down, especially compared to an amp like the DB750 for example which is almost twice the size and jam-packed with parts (while the inside of the Carvin is quite spartan), then factor that there's no big markup by retailers which saves ... what ... 50% at least?, and no exchange rate boosting the price on importing since it's made domestically, and I don't see anything cheap about it.

Certainly doesn't sound cheap - quietest fan by far of the amps I've tried (dual-speed, at that), and the least amount of any residual amp noise of all the ones I've had (including the TF), actual metal knobs/pots (unlike some much more expensive brands), etc., so that doesn't make me think of cheap either. And then we all know of much more expensive amps that, apparently at least, have far more problems that'll leave you amp-less on a gig yet no one suggests they use cheap parts (even though some of them clearly do - starting with plastic instead of metal, then knobs & jacks mounted to the boards directly, parts glued-on, etc.).

The Walkabout, which I mention 'cause Chef recently got one and I've got one too, has a lot of cheap in the build and has had some widespread problems because of it, yet costs a *lot* more. So, cost just doesn't equate quality.

Bright side, at least Chef's amp still actually works fine and the gig got done.

Carvin claims they use parts well above spec and from what I see inside mine I believe them but I am not an electronics expert though I have close friends who are (EE) so I have a vague idea what to look for.

Good luck Chef !
 
For those of you who wanted to know what happened to me and my B1500 review:
It showed up with shipping damage. Carvin sent a USP call tag the very next day, and serviced it right up. Replaced the fan which had a broken blade, replaced some resistors that were damaged, shipped it right back...all on their dime...due for delivery tomorrow if it stays on time.
If it shows, I'll try to dial it in Thursday night, and gig it Friday...

At some point, I'll A/B/C/D the Carvin to:
Thunderfunk 420, Wt800B, Eden Nav-QSC/PLX1602...

They repaired that one and sent it back to you? They didn't just ship you a new one? :eek: That sucks IMO. I wouldn't want a "fixed" amp when I ordered a brand new one.
 
They repaired that one and sent it back to you? They didn't just ship you a new one? :eek: That sucks IMO. I wouldn't want a "fixed" amp when I ordered a brand new one.


It was not a new one... it was one from the 'sent back within 10 days' units from the Carvin store. They are sold as used, but I believe with a limited warranty.
 
They repaired that one and sent it back to you? They didn't just ship you a new one? :eek: That sucks IMO. I wouldn't want a "fixed" amp when I ordered a brand new one.
wow, thats bordering on the Eden CS repair merry-go-round...like i had...

But at least Carvin answers their phones and emails... so it seems..
 
AH. Damn buy one new then.

You know, Chef and I pm'd quite a bit... save the money for the 'virtually new one' but limited warranty, or get a new one in case of trouble. Obviously, it was the wrong decision, but at the time, it made sense:hmm:

I think one of the issues was resale... since these things are worth virtually nothing used (given their low price to begin with), it seemed saving a little up front made sense. Hopefully, they will get it all fixed up and it will end up being a happy story. They sure do sound good, an the size and weight per ooomph factor is stunning.