DH Pitch Shifter

classic Classic list List threaded Threaded
11 messages Options
Reply | Threaded
Open this post in threaded view
|

DH Pitch Shifter

Hozy31
Anyone fancy doing a layout for this? I seem to have a HT8950 ic and have no idea what i bought it for.
Details can be found here http://www.generalguitargadgets.com/effects-projects/modulationecho/dh-pitch-shifter/
"Red velvet lines the black box"
Reply | Threaded
Open this post in threaded view
|

Re: DH Pitch Shifter

Addy Bart
Looks quite similar to the DBA Robot...
MAO
Reply | Threaded
Open this post in threaded view
|

Re: DH Pitch Shifter

MAO
This post was updated on .
Here you go Hozy31

The Vero is based off this layout:

http://www.generalguitargadgets.com/wp-content/uploads/dh_pitch_shifter_lo.gif

Note there is a virtual ground being used, be sure all ground points tie to the board ground and NOT to the DC jack ground.

The vero should be rotated CCW when installing in the enclosure, this will line up the DC power towards the top and the input towards the stomp switch.

Let me know how it goes..and sounds.

05/29 - updated a couple of typos

1978 Gibson Les Paul Standard, Cherry Sunburst, Nickel Tone Zone & Air Norton Pickups, Sweet 16 wiring
Reply | Threaded
Open this post in threaded view
|

Re: DH Pitch Shifter

Hozy31
Thanks so much for this Mao. I take it the -9v is the DC ground. I'm building it right now so hopefully get back to you in a few hours.
"Red velvet lines the black box"
MAO
Reply | Threaded
Open this post in threaded view
|

Re: DH Pitch Shifter

MAO
This post was updated on .
Cool, happy to help. Hope it goes well.

Yes, sorry, that is correct. -9v is DC ground.
Also, noted a typo on the diodes, 1n914 or 1N4148

I'll correct both and update the layout later this morning.

Also, I did find this video: https://youtu.be/7pwyb9jHV3Q
1978 Gibson Les Paul Standard, Cherry Sunburst, Nickel Tone Zone & Air Norton Pickups, Sweet 16 wiring
Reply | Threaded
Open this post in threaded view
|

Re: DH Pitch Shifter

Hozy31
Verified. It does sound very much like the video you showed however your link isn't working but i managed to find it. If i add the link though mine doesn't seem to work. If anyone else cares to look at it you can find it by searching for "dean hazelwanter phase shifter". Not sure how useful this will be but it does do some right crazy shit which is fun.

Edit: Thanks again MAO.
"Red velvet lines the black box"
MAO
Reply | Threaded
Open this post in threaded view
|

Re: DH Pitch Shifter

MAO
Excellent!

So I'm nursing a broken leg (top of my femur broke clean through), won't be able to get to my workbench for a few more weeks.

In the meantime, do you need any other layouts?
1978 Gibson Les Paul Standard, Cherry Sunburst, Nickel Tone Zone & Air Norton Pickups, Sweet 16 wiring
Reply | Threaded
Open this post in threaded view
|

Re: DH Pitch Shifter

Travis
Administrator
Oh man sorry to hear that Mao I've broken my femur too and it was not fun. Did you get a cast or external fixator?
Reply | Threaded
Open this post in threaded view
|

Re: DH Pitch Shifter

Hozy31
In reply to this post by MAO
Dude that's a nasty one, hope your feeling better soon. Another layout i put in requests was the GGG SHEcho. Don't know if its doable on vero as may be too large.
"Red velvet lines the black box"
MAO
Reply | Threaded
Open this post in threaded view
|

Re: DH Pitch Shifter

MAO
In reply to this post by Travis
Yeah, thanks Travis, really sucks.

I had a unique opportunity to be off from work for a couple of months and had planned on working on the house, mountain biking and pedal building through June.

3rd ride out I fell on my way back home. Knobby tires and slightly wet pavement not a good combination.

Thought I had just dislocated my leg. A couple days later the leg cramped up and I slipped and fell in the bathroom and broke it clean through, probably had already been fractured.

No cast, apparently the surgeon built a plate and screwed the top of the femur back in place with 3 or 4 screws. He told my wife he expects a full recovery, as long as I don't fall again :0) I'll see him again on June 9th.  

Can't put any weight on it for 6-8 weeks, so let me know if you'd like any layouts drawn up.  

 

   
1978 Gibson Les Paul Standard, Cherry Sunburst, Nickel Tone Zone & Air Norton Pickups, Sweet 16 wiring
Reply | Threaded
Open this post in threaded view
|

Re: DH Pitch Shifter

Travis
Administrator
When I broke my femur I was in school and broke it on the first week of summer break lol

I totally feel your pain man.

It's good that you're not in a cast though. The physical therapy was a little rough for me because my knee was really locked up from not bending for so long. Bend your knee back and forth gently if possible it will really help with the recovery