Mesa Boogie - Throttle Box [schematic]
- apollomusicservice
- Resistor Ronker
Information
Pedal excellent for hi gain but also (with gain lower settings) perfect for rock and blues.
- LaceSensor
- Cap Cooler
Looks to be solidly constructed and interesting it includes and inductor.
thanks!
thanks!
- apollomusicservice
- Resistor Ronker
Information
S2 is internal EQ boost/cut switch, on pcb picture placed at bottom left side.
- Dirk_Hendrik
- Old Solderhand
Information
Like the approach with the fixed gyrator EQ!
- apollomusicservice
- Resistor Ronker
Information
For SMD DIY-ers here is my design of pcb. Resistors and capacitors are 1206
package and C (6mm) for tatntalum capacitors. The pcb is suitable for those who
will not install additional EQ boost/cut components on the bottom side but if you wish to add EQ,
both sides are connected with 4 via holes. Of course tantalum capacitors in the picture are not SMD tantalum,
currently I did not had SMD type.
Pdf file contains top and bottom side of SMD Throttle Box.
package and C (6mm) for tatntalum capacitors. The pcb is suitable for those who
will not install additional EQ boost/cut components on the bottom side but if you wish to add EQ,
both sides are connected with 4 via holes. Of course tantalum capacitors in the picture are not SMD tantalum,
currently I did not had SMD type.
Pdf file contains top and bottom side of SMD Throttle Box.
- Attachments
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- Throttle Box SMD Pcb.pdf
- (12.68 KiB) Downloaded 689 times
- roberttomasz
- Breadboard Brother
Question. Look at the picture.
- apollomusicservice
- Resistor Ronker
Information
Yes, that is the switch S2, which is located inside the housing. Pedal has enough gain at Lo position so
in my opinion it would be more useful if the switch was mounted out enclosure instead of switches for gain.
On my SMD PCB I predicted one switch in/out EQ mounted on the chassis and perhaps to add one more on/off switch to turn off gyrator for 276Hz.
in my opinion it would be more useful if the switch was mounted out enclosure instead of switches for gain.
On my SMD PCB I predicted one switch in/out EQ mounted on the chassis and perhaps to add one more on/off switch to turn off gyrator for 276Hz.
- roberttomasz
- Breadboard Brother
...C19 100nF ,,,???.
- apollomusicservice
- Resistor Ronker
Information
Yes and it has function only in bypass mode.roberttomasz wrote:...C19 100nF ,,,???.
- roberttomasz
- Breadboard Brother
B2-B3-C19(100nF)???? ...B2-C1-YES
- apollomusicservice
- Resistor Ronker
Information
250 millihenriesgefi wrote:Hello
L1 250 mH or 250uH?
- Bill_Mountain
- Breadboard Brother
I just sim'd the graphic EQ portion and unless I messed up it didn't equate to much more than a bass boost.
The mid control is nice though!
The mid control is nice though!
- roberttomasz
- Breadboard Brother
wah-wah ( Dunlop) L1= 500mH
- apollomusicservice
- Resistor Ronker
Information
OK here is pcb done in through-hole technology, like original. There are two pcb's,
first with almost all components and second with jacks, pots and few components.
Pedal has very originally sounds and I change my prejudice about Mesa pedals.
first with almost all components and second with jacks, pots and few components.
Pedal has very originally sounds and I change my prejudice about Mesa pedals.
- Attachments
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- Mesa Boogie Throttle Box first PCB.pdf
- (73.29 KiB) Downloaded 1342 times
- apollomusicservice
- Resistor Ronker
Information
...and second pcb with some minor changes in routing.
- Attachments
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- Mesa Boogie ThrottleBox second PCB.pdf
- (31.78 KiB) Downloaded 1565 times