Haven't spoken to Lou in a while. I will PM his email address to you.
Blues Deluxe to ODS build
Moderators: pompeiisneaks, Colossal
Re: Blues Deluxe to ODS build
I build and repair tube amps. http://amps.monkeymatic.com
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JazzGuitarGimp
- Posts: 2356
- Joined: Mon Jul 23, 2012 4:54 pm
- Location: Northern CA
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Re: Blues Deluxe to ODS build
Hi Franco,
I'm here!
I'll send you a PM.
xtian, Thank you for the heads up....
Luigi
I'm here!
I'll send you a PM.
xtian, Thank you for the heads up....
Luigi
Lou Rossi Designs
Printed Circuit Design & Layout,
and Schematic Capture
Printed Circuit Design & Layout,
and Schematic Capture
Re: Blues Deluxe to ODS build
thanks xtian, thanks Luigi,
tomorrow morning (now it's midnight here) I'll write what I would like from Luigi.
Franco
tomorrow morning (now it's midnight here) I'll write what I would like from Luigi.
Franco
franco mezzalira
Re: Blues Deluxe to ODS build
Hi Luigi,
I wanted to build a clone of the #102 Dumble Skyline High Plate as per Tony Albany's scheme and so I bought the chassis and the boards from I don't remember who but a good friend of Ampgarage.
Once I finished building the problems started, the sound was nice but after a while it started to decrease in volume.
I resisted for some time hoping that it was a temporary problem, maybe a valve, maybe a cold solder. I tried everything but in the end I decided to redo the motherboard in vetronite because the one I bought was flexing too much in the center. Result..... the sound I got was ridiculous, very low even with the volume and master at maximum.
At this point I decided to check the power supply board but.... as soon as I tried to unsolder the resistors or capacitors the board was destroyed, the eyelets came off.
Normally I use boards made by me or purchased from AAelectronics that are of excellent construction and resist without ruining to our desire to experiment by soldering and unsoldering components.
Regarding these last boards I find that their construction that includes all the components, normally distributed in multiple boards in all the Dumble projects, limits their use only in constructions where the power transformer is fixed to the outside of the chassis, they are however very robust and very well built.
Now I have the problem of the power supply board that for the #102 should not be "precision power supply" or I have to modify the "precision power supply" resistor string to obtain the right voltages.
When the purchased board was still working the problems I had, apart from the very low volume of the amplifier, were a bias at -42 volts per valve, and the voltages V1.1 equal to 136 volts, V1.6 equals to 189 volts. That's it for now.
I'll write you the material I would need in private.
Thanks
Franco
I wanted to build a clone of the #102 Dumble Skyline High Plate as per Tony Albany's scheme and so I bought the chassis and the boards from I don't remember who but a good friend of Ampgarage.
Once I finished building the problems started, the sound was nice but after a while it started to decrease in volume.
I resisted for some time hoping that it was a temporary problem, maybe a valve, maybe a cold solder. I tried everything but in the end I decided to redo the motherboard in vetronite because the one I bought was flexing too much in the center. Result..... the sound I got was ridiculous, very low even with the volume and master at maximum.
At this point I decided to check the power supply board but.... as soon as I tried to unsolder the resistors or capacitors the board was destroyed, the eyelets came off.
Normally I use boards made by me or purchased from AAelectronics that are of excellent construction and resist without ruining to our desire to experiment by soldering and unsoldering components.
Regarding these last boards I find that their construction that includes all the components, normally distributed in multiple boards in all the Dumble projects, limits their use only in constructions where the power transformer is fixed to the outside of the chassis, they are however very robust and very well built.
Now I have the problem of the power supply board that for the #102 should not be "precision power supply" or I have to modify the "precision power supply" resistor string to obtain the right voltages.
When the purchased board was still working the problems I had, apart from the very low volume of the amplifier, were a bias at -42 volts per valve, and the voltages V1.1 equal to 136 volts, V1.6 equals to 189 volts. That's it for now.
I'll write you the material I would need in private.
Thanks
Franco
franco mezzalira