Hartke buzz... HA3500 with 210XL

AshInAmsterdam

AshInAmsterdam

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Dec 8, 2015
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Amsterdam
#1
This is my first proper bass amp (ignoring the Fender rumble 15 I've had for 5 years). It arrived 2 hours ago, so is about as new as it will ever be!

I realise that I am running a 240W head (at 8ohm) into a 200W cab.

Settings are (home volume):

Preamp A: 4
Preamp B: 2.5
Compression: Off
LPF: -3
HPF: -3
Master: 1
EQ: Off

So it's very low. The problem is that one of the speakers is buzzing with every note. I've taken the grill off and tightened all the speaker screws. If I gently press one of the speakers (on the edge of the paper centre and the alu cone) so that it cannot move easily, the buzzing stops, and the other speaker rings out like I would expect it to.

If I turn on the EQ and take out ALL of the 30 and 64Hz it is better, but still there faintly in the background, and of course I'm not getting a particularly lovely tone then.

Any ideas?
 
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#2
Replace that driver... those two faders on the eq are to my mind, pretty dangerous for most bass cabs. It sounds like the speaker cannot handle those frequencies and you will need to replace them with the same speaker that came out of the cabinet.
Fishheadjoe
 
#3
The cabinet is fine to use with that head, just don't push it to 11.

The speaker is shot. Had the same thing happen on the 410 version years ago. It's new so either send it back or have it replaced under warranty. Mine was replaced under warranty without issue. Hartke has good CS.
 
#4
I see... I have asked for a replacement, and think at the same time I will order a second one so I can have 400W of speakers, with the amp doing 350.

To be sure I'm understanding right, you would suggest to dip those two faders right down?
 
#6
Absolutely! Drop both of those faders down as far as you can, while still maintaining the low end of your sound. Those frequencies typically are reserved for the kick drum in the mix and will add mud to your sound, while eating up all you power amp head room.
Fishheadjoe
 
#7
Ok well I'm ordering a replacement now, and have to buy a tiny amp for rehearsals anyway (such as the TC Electronic BH250 or the Markbass Nano) because cycling about Amsterdam with this one is NOT going to happen ;)

Maybe I'll send the Hartke amp back too... or keep it for when we start gigging and get a second cab then..!

Too many options :p
 
#9
Thanks for all the helps. I've now got the unenviable task of carrying 20kg speaker cab to the post office 250m away... and wait until they have more in stock to send a replacement. Oh well.

I also decided that the amp was far too heavy duty for me right now, so I'm replacing it with a Mark Bass Nano to see how that goes. (And that's another 15kg to carry down the road!)
 
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