Showing posts with label Voltage Controlled Switch. Show all posts
Showing posts with label Voltage Controlled Switch. Show all posts

Tuesday, January 17, 2017

Doepfer A-150-8 Octal Manual/Voltage Controlled Programmable Switches Announced

Doepfer has just released some info on their new modules for NAMM 2017 (19-21 jan.)
Besides some vintage editions of existing modules, the A-135ABC VC Performance mixer modules, the A-110-6Trapezoid Thru Zero Quadrature VCO and a new A-100LC1 case (economically priced small housing with 48 HP width) there was also one other interesting new module announcement:

Module A-150-8 contains eight manually/voltage controlled switches. 
Each of the eight switches has a manual control button (Man.), a control voltage input (CV), a common Out / Input (O/I), and two In / Outputs (I/O1, I/O2). 
The switches are bi-directional, i.e. they can work in both directions, so can connect one input to either of two outputs, or either of two inputs to one output. 

A-150-8 Octal VC Switch prototype
Two LEDs show which in / output is active (ie. which is connected to the common out / input). 
In addition the LEDs are used for the programming of the module:
For each unit the operating mode can be selected: 
Toggle or Level controlled. In Toggle mode the rising edge of the CV input or operating the manual control button changes the state of the switch. In Level mode the switch state is defined by the voltage applied to the CV input (low voltage = I/O1, high voltage = I/O2) or by the state of the manual control button (not pressed = I/O1, pressed = I/O2). 
The modes are programmed very easily: Operating the Toggle/Level button of the program section displays the current state of each switch with the LEDs (left LED on = Toggle mode, right LED on = Level mode). 
Operating the manual control button of the switch in question changes the toggle/level mode.
In addition it's possible to define master/slave groups. In such a group the upper unit (= master) controls also the state of the following switches provided that they are defined as slaves. 
Master/slave programming is also very simple: Operating the Master/Slave button of the program section displays the current state of each switch with the LEDs (left LED on = Master, right LED on = Slave). 

Operating the manual control button of the switch in question changes the master/slave mode. 
When all 8 units are defined as master each switch is independent of each other. If for example the sequence is MSSSMSMS the control unit of the first switch also controls the switches 2, 3 and 4. The control unit of switch #5 also controls the switch #6, and the control unit of switch #7 also controls the switch #8.

Doepfer is also thinking about a small preset management with eight presets which store the states and modes of all switches. But they are not yet sure if this makes sense because the configuration of the switches is associated very closely to the patching of the sockets.

Date of Delivery: Spring 2017 
Price: ~ US$ 160.00 (Euro 150.00) 

Sunday, October 12, 2014

Slow Nova Modules Probably

SlowNova Probably
Slow Nova Modules is a small company from Boston that sells hand built Eurorack modules and kits.
Today they published the first proper build of their latest module with the new face-plates on Twitter.

The Probably module is a dual 2 to 1 analog multiplexer with probability based switching.On each clock a random number decides which input is connected to the output. The likelihood can be set independently for each switch.

Inputs:
A, B, C, D - -12V to 12V
Clock - 0 to 10V
Outputs:
A/B - -12V to 12V
C/D - -12V to 12V

Switching Time - 75ns
Current Draw - 14.5ma

The module will be on sale soon for 150 USD,
(i believe it is already sold out though)

Sunday, June 23, 2013

Random Video: Sequencer ratcheting like Tangerine Dream, Doepfer MAQ16/3 by Kittenpurse1

This video appeared on YouTube last month...
It's a demo of a technique that this guy developed using the Doepfer MAQ 16/3 sequencer and an A-150 Voltage Controlled Switch to imitate the the popular 'ratcheting' note trill effect used by Chris Franke in Tangerine Dream.

Video: Sequencer ratcheting like Tangerine Dream, Doepfer MAQ16/3

" The popular 'ratcheting' note trill effect used by Chris Franke in Tangerine Dream can be difficult to imitate. Here's a demo of a technique I developed using the Doepfer MAQ 16/3 sequencer and Voltage-Controlled Switch."

Uploaded by kittenpurse1