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| | |-+  Dumblelator vs. Kleinulator		 « previous next »
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Poll
Question: What's the the best sounding loop in your opinion?
Kleinulator   -4 (17.4%)
Dumblelator   -16 (69.6%)
Honestly I don't hear a difference.   -3 (13%)
Total Voters: 21

Author Topic: Dumblelator vs. Kleinulator  (Read 57583 times)
Steven_nl
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« Reply #45 on: January 07, 2010, 08:06:43 PM »
La Hollande. And he's a great guy!
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MC
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« Reply #46 on: January 07, 2010, 09:06:01 PM »
Quote from: erwin_ve on January 07, 2010, 08:05:53 PM
Quote from: MC on January 07, 2010, 07:38:40 PM
Where can i get a Dumbleator?Huh???

Erwin_ve: wich country are you from???
Hi Mc, I'm from the Netherlands; I made 4 units; I have one for sale: http://ceriatoneforum.com/index.php?topic=1256.0
PM me if your interested.
Greetings Erwin

PM send Wink
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MC
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« Reply #47 on: January 07, 2010, 09:07:31 PM »
Quote from: Steven_nl on January 07, 2010, 08:06:43 PM
La Hollande. And he's a great guy!

The other country of cheese? Grin
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Steven_nl
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« Reply #48 on: January 08, 2010, 08:31:34 AM »
Other?  Grin
seriously. I'd move there immedeatly if I could afford it. Great country. Thank god it's close.
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yosemitespam
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« Reply #49 on: January 16, 2010, 12:17:03 AM »
You made that thing? Torodial transformer?

This shouldn't be so hard. Most modern amps have loop circuitry built in.

Yet it is still the bane of Dumbles and clones after 30 years?

Even if your connecting cables are less than a half meter (your parlance), you still need an impedance matching device?

I took a look at the Boss Line Switcher. Cheap solution?

Outside of tubes, I guess the audiophile way would be J-FETs or MOSFETs.  Of course one can buy a quad op-amp chip for $1, op-amps make fine buffers.
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erwin_ve
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« Reply #50 on: January 16, 2010, 08:37:39 AM »
Quote from: yosemitespam on January 16, 2010, 12:17:03 AM
You made that thing? Torodial transformer?

This shouldn't be so hard. Most modern amps have loop circuitry built in.

Yet it is still the bane of Dumbles and clones after 30 years?

Even if your connecting cables are less than a half meter (your parlance), you still need an impedance matching device?

I took a look at the Boss Line Switcher. Cheap solution?

Outside of tubes, I guess the audiophile way would be J-FETs or MOSFETs.  Of course one can buy a quad op-amp chip for $1, op-amps make fine buffers.

You are very determined to not use a dumblelator, I won't stop you. But if you ever get a chance to compare it in real life, I'm pretty sure you will change your opinion.
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yosemitespam
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« Reply #51 on: January 16, 2010, 06:13:01 PM »

Quote
You are very determined to not use a dumblelator, I won't stop you. But if you ever get a chance to compare it in real life, I'm pretty sure you will change your opinion.

I know you've done the real life comparisons. Nice job on the Dumbleaetor too. It just seems like overkill for such a simple task as impedance matching.

Hopefully you haven't received a cease and desist letter from any blue haired lawyers over the Dumbleator.
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hywelg
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« Reply #52 on: January 17, 2010, 12:04:07 PM »
Quote from: yosemitespam on January 16, 2010, 06:13:01 PM

It just seems like overkill for such a simple task as impedance matching.


But thats not all it does.
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yosemitespam
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« Reply #53 on: January 18, 2010, 05:43:11 PM »
Quote from: hywelg on January 17, 2010, 12:04:07 PM
Quote from: yosemitespam on January 16, 2010, 06:13:01 PM

It just seems like overkill for such a simple task as impedance matching.


But thats not all it does.

That and a  tone control for the outboard processor's input.
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TommyTone
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« Reply #54 on: January 19, 2010, 04:18:04 AM »
What was the result between K-lator and Fuchs??

Thanks.

Quote from: mcinku on May 26, 2009, 07:19:31 AM
Quote from: flexmachine on May 25, 2009, 08:03:27 PM
Anyone uses Fuchs Verbrator? Compared to Klein or the D?
I'm using BM HRM 50 and wonder what to to buy (I can get the Fuchs here in Germany but it's expansive), where did you buy your Dumblelator?
thanks

With some luck I'll have Verbrator in my arms in a few days. A friend of mine bought it... I already own Klein, so I will be able to A/B both of them.

 Wink
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mcinku
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« Reply #55 on: January 19, 2010, 06:58:22 AM »
Quote from: yosemitespam on January 18, 2010, 05:43:11 PM
That and a  tone control for the outboard processor's input.

... and it shapes your tone as well... in a good way I might add.
 Wink
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bluesfendermanblues
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« Reply #56 on: January 19, 2010, 07:16:51 AM »
Quote from: yosemitespam on January 16, 2010, 12:17:03 AM
...... a quad op-amp chip for $1, op-amps make fine buffers.

Rember to use a higher (than 9v) voltage supply, though.
Often OP-Amps are supplied with insufficient supply, causing them not to tolerate the voltage swing in a tube amp without clipping. They're fine at bedroom volume, but wont stand up at gigging volume.

The Klein-ulator that use FETs has a voltage tripler, turning 9v supply into something more useable.
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Respect for the big guy's work....we're at this part of the forum because of HAD's amps.
yosemitespam
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« Reply #57 on: January 21, 2010, 07:15:49 PM »
Quote from: bluesfendermanblues on January 19, 2010, 07:16:51 AM
Quote from: yosemitespam on January 16, 2010, 12:17:03 AM
...... a quad op-amp chip for $1, op-amps make fine buffers.

Rember to use a higher (than 9v) voltage supply, though.
Often OP-Amps are supplied with insufficient supply, causing them not to tolerate the voltage swing in a tube amp without clipping. They're fine at bedroom volume, but wont stand up at gigging volume.

The Klein-ulator that use FETs has a voltage tripler, turning 9v supply into something more useable.

Are you talking 27 VDC? Like +-13.5 VDC??? You need that much of a voltage swing? I was thinking these were more like "line level" voltages.  Supply voltage shouldn't effect the "slew rate" of an op-amp that much, within the limits of the input voltage.  Sure they'll clip as you approach the supply voltage, hopefully you'd never  come close.
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erwin_ve
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« Reply #58 on: January 21, 2010, 09:00:13 PM »
The Fx loop of the OTS is NOT line level; if you crank your mastervolume on the amp it's possible you toast your fx unit.
Some builders report a voltage swing of 100v before going into the phase inverter. I don't think the Klein can compete with that.
« Last Edit: January 21, 2010, 09:02:54 PM by erwin_ve » Logged
bluesfendermanblues
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« Reply #59 on: January 21, 2010, 11:22:16 PM »
Quote from: yosemitespam on January 21, 2010, 07:15:49 PM
Quote from: bluesfendermanblues on January 19, 2010, 07:16:51 AM
Quote from: yosemitespam on January 16, 2010, 12:17:03 AM
...... a quad op-amp chip for $1, op-amps make fine buffers.

Rember to use a higher (than 9v) voltage supply, though.
Often OP-Amps are supplied with insufficient supply, causing them not to tolerate the voltage swing in a tube amp without clipping. They're fine at bedroom volume, but wont stand up at gigging volume.

The Klein-ulator that use FETs has a voltage tripler, turning 9v supply into something more useable.
Not DC - AC
Are you talking 27 VDC? Like +-13.5 VDC??? You need that much of a voltage swing? I was thinking these were more like "line level" voltages.  Supply voltage shouldn't effect the "slew rate" of an op-amp that much, within the limits of the input voltage.  Sure they'll clip as you approach the supply voltage, hopefully you'd never  come close.
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Respect for the big guy's work....we're at this part of the forum because of HAD's amps.
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