Search found 16 matches

by brads
Mon May 10, 2010 8:28 pm
Forum: Dumble Discussion
Topic: KT-88 Non-HRM Clip
Replies: 31
Views: 7192

Re: KT-88 Non-HRM Clip

Great unique tone! Really liked it alot.

The playing fit the tone very nicely---dramatic.
by brads
Fri Dec 25, 2009 11:23 pm
Forum: Dumble Discussion
Topic: Anyone prefer Alnico speakers for D-Style amps?
Replies: 23
Views: 3571

Re: Anyone prefer Alnico speakers for D-Style amps?

Scumnico sounds great with my Redplate (non-HRM). Not harsh at all, but lively.
by brads
Thu Dec 17, 2009 10:46 pm
Forum: Dumble Discussion
Topic: Ported cab design....
Replies: 13
Views: 2057

Re: Ported cab design....

Structo wrote:I was looking at Hermida's site the other day.

His prices are certainly reasonable.

Like $275 for a ported 2 x 12.

But are you saying his design isn't very good sonically?
No, the cab sounds great in all respects except mine emphasizes certain frequencies (see 2nd post in thread).
by brads
Thu Dec 17, 2009 9:35 pm
Forum: Dumble Discussion
Topic: Ported cab design....
Replies: 13
Views: 2057

Re: Ported cab design....

bluesfendermanblues wrote:how about room??

Did you play the cab in different rooms? could be that the cab emphasize an acoustics problem.
Yes, we actually moved in May. Different rooms, different houses, same resonance.
by brads
Thu Dec 17, 2009 5:07 pm
Forum: Dumble Discussion
Topic: Ported cab design....
Replies: 13
Views: 2057

Re: Ported cab design....

Deric wrote:Just curious... Did you try different amps and guitars through the cab too?
Yes, I've changed all variables. Happens with Tele, LP, 18 watt, and Red Plate.
by brads
Thu Dec 17, 2009 4:50 pm
Forum: Dumble Discussion
Topic: Ported cab design....
Replies: 13
Views: 2057

Re: Ported cab design....

I think those Hermida cabs are actually tuned incorrectly. I had a 1x12 front-ported, and the C and C# notes played on the A string of my guitars were about twice as loud and boomy as the notes surrounding them. Those notes cause some kind of resonance overload in my cab. I emailed Alf (very nice gu...
by brads
Tue Nov 10, 2009 7:10 pm
Forum: Dumble Discussion
Topic: Intermittent problem with PAB
Replies: 24
Views: 2893

Re: Intermittent problem with PAB

ER wrote:Do you have covers on the pre-amp tubes? I had a similar problem and it was the springs in the tube covers...

-E
Will try that as well. Thanks!
by brads
Tue Nov 10, 2009 1:03 pm
Forum: Dumble Discussion
Topic: Intermittent problem with PAB
Replies: 24
Views: 2893

Re: Intermittent problem with PAB

I spoke too soon. Changing the power tubes merely moved the note where the problem occurs one fret up the neck. I posted that the problem was solved because it wasn't happening where it did previously. Same problem----slightly different frequency. Now I'm thinking it is a bad solder joint. Have you...
by brads
Tue Nov 10, 2009 12:41 am
Forum: Dumble Discussion
Topic: Intermittent problem with PAB
Replies: 24
Views: 2893

Re: Intermittent problem with PAB

I spoke too soon.

Changing the power tubes merely moved the note where the problem occurs one fret up the neck. I posted that the problem was solved because it wasn't happening where it did previously.

Same problem----slightly different frequency.

Now I'm thinking it is a bad solder joint.
by brads
Mon Nov 09, 2009 9:54 pm
Forum: Dumble Discussion
Topic: Intermittent problem with PAB
Replies: 24
Views: 2893

Re: Intermittent problem with PAB

Ah I was half way joking about banging on it. What I was suggesting if it is an intermittent or bad connection, hitting the top of the cabinet with your hand might re-create the problem, or not. NO HAMMER! Although I'm sure it has crossed your mind in frustration. These intermittent things can driv...
by brads
Mon Nov 09, 2009 7:33 pm
Forum: Dumble Discussion
Topic: Intermittent problem with PAB
Replies: 24
Views: 2893

Re: Intermittent problem with PAB

Yes, I swapped relays around.

Will try the OD pedal and hammer.

Thanks!
by brads
Mon Nov 09, 2009 7:16 pm
Forum: Dumble Discussion
Topic: Intermittent problem with PAB
Replies: 24
Views: 2893

Re: Intermittent problem with PAB

Have you tried different tubes or speakers? Have you checked all your solder joints? Have switched speakers and cables, as well as preamp tubes, but it's still there. Will swap the power tubes and the tube in the D-lator. If it's still there, then on to the solder joints. It's just so odd that it o...
by brads
Sun Nov 08, 2009 3:00 am
Forum: Dumble Discussion
Topic: Intermittent problem with PAB
Replies: 24
Views: 2893

Re: Intermittent problem with PAB

Thanks, I'll give these a try.

I wondered about vibration, but since it is a head isolated from the cab, I didn't think there would be much movement.
by brads
Sat Nov 07, 2009 5:39 pm
Forum: Dumble Discussion
Topic: Intermittent problem with PAB
Replies: 24
Views: 2893

Intermittent problem with PAB

Hopefully someone can shed some light on this: I have Bluesmaster-style HRM amp that has an intermittent PAB issue. When PAB is engaged, on one or two select notes there is bit of congestion, then a slight volume spike, which drops again after a few seconds. The builder thought it might be a bad rel...
by brads
Wed Jul 23, 2008 8:07 pm
Forum: Dumble Discussion
Topic: Tweed tones with a D-tone spin
Replies: 35
Views: 5876

Re: Tweed tones with a D-tone spin

Great tone and funky feel.