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Forum: General Discussion

Topic: Anyone still using Rotary Mixers ? - Page: 4

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* Status update *

Made some changes in functionality.

- Balance function removed but it's very easy to add for people who wants it.

- CUE function changed to switches. There is also a CUE summing bus added.
So if you want more input channels it's very easy to add them.

- LEDs removed an nice VU-meters added, i finaly found some nice ones at a good price.


Components ordered and PCB design in progress.



Yust a quesion: will you create some and sell them to the forum users ?

 

Well, this is not really a commercial project. First of all i will set up a project website Where i will publish Schematics, PCB-layouts, detailed "How-to" instructions, Where to get components, PCBs,Front-panels etc. The primary goal is to make this available for DIY people.

But i might think of selling built and tested PCBs and hard to get components in small series, if there is an interest for it. Building the PCBs are no problem, It's drilling the enclosures that is really boring ;-) But nothing is written in stone.


But remember, for me it's not about building a mixer to get a cheap one. Then you can get a cheaper on Ebay. It's about building a HQ rotary mixer to get something that you can't buy today, or if you can find one is really expensive. Sure, you could use cheap components also, but i will not do that.


Some component examples:

Electrolytic Capacitors: Main signal path-ELNA SILMIC II, Rest Rubycon serie YXF 105C audio-grade.

This is the Channel Volume Potentiometer ordered and that i will use: ALPS RK27A (Blue Velvet) :


VU-Meters are From Anders Electronics:

 

PCB design is in progress at the moment. But i want to do them as generic as possible. So i'm thinking of the best way to add new features/mods later also.

What is the most important "new" features it should have or be able to support ?

Like:

- Bass/Treble EQ on each input channel
- Rotary kill EQ on each input channel
- Master Effect send/ret volume potentimeters
- Input Gain on each channel
- Effect send/ret on each input channel
- Tape Pre/Post effect switch/output
- Balanced Booth out.
- Built in Isolator
- Mic EQ
- Etc


What is the most important and/Or what do you think is missing.
 

---------------------
Status Update
--------------------

Since im now doing the PCBs as modules (Inout/output etc) it's possible to use any enclosure you want. It's also possible to have 1-6 input channels depending on enclosure space. I will do 3 different input modules and 3 output.


Input:

- Std (Balance function, or skip it with adding a resistor)
- HP-Filter
- 3-band EQ


Output:

- Unbalanced
- Balanced No transformer
- Balanced using Transformer (PCB will be for Lundahl Transformers)


So it's possible to combine these in any way.


My own first version is using the small HAMMOND enclosure. It's a 3 ch + Mic and it will have the HP-Filter input modules. This is how it will look like. MIC and Headphone vol is on the front.




 

Looks good Pern...
 


Very nice indeed

 

My choosen functionality is to be used with VDJ . AUX for samples. I really like the Hi-Pass filter function that is in A&H V6.
 

I use this rotary mixer. It's not official a rotary mixer, but I bought me the rotary package, because it just rules ;)

A Vestax PMC-CX



Bigger picture

 

Solarius wrote :
I use this rotary mixer. It's not official a rotary mixer, but I bought me the rotary package, because it just rules ;)

A Vestax PMC-CX



Nice ;-) I can see that it has an Isolator also. I will build one also and add as an effect in the Effect loop.

 

Damn I see that this is old but i just!!!!! saw it :). Man I love rotary mixer I am a GLI man 5990 and the 5991. I am still trying
to get the damn Bozak AR-6 http://www.bozak.com/ after 2 years its still not out. I would tell all if you are a club dj a
rotary mixer is the way to go.
 

;-)

This project is still alive ....

Working on the project website for it at the moment: http://www.bozure.com/
 


All 3 Rotary mixer Projects are now described on the site: http://www.bozure.com

I'm also thinking of doing a VDJ Dedicated MIDI Controller in the same style (Rotary only) to match the 19" versions.
 

Looks really good pern!!

In the 1620 project ... would be nice if there was a V module but also contained a Balance knob. This is one of the issues I had with the A&H V6 vs. the Urei. The Urei (U Module) has the balance knob, but the A&H (V-Module) had Gain and Hi-Pass -- a marriage of the 2 would be ideal - in my book. A new UV Module ??
 

The current input module functionality is taken from popular commercial mixers. But Sure, The design is modular "plug-in" so it's really easy to make another one also..
 



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