Doepfer A-151 Quad Sequential Switch

£53.00 (including VAT @ 20%)

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Can be delivered to you tomorrow
FREE Returns available

2 year warranty and 30 day money back guarantee included

2 year warranty and 30 day money back guarantee included

Once the product is delivered, you have 30 days to decide that you definitely want to keep it. If you decide it is not suitable for any reason, you can return it back to us for replacement or full refund, including standard delivery charges.

All Products are new unless stated, and include a minimum of 2 years warranty.

Some items are only eligible for money back guarantee if they are returned to us unused and sealed in the original packaging, and in the case of software, unregistered. These items include:

  • Software
  • CDs & DVDs
  • In-ear Monitors
  • Earplugs and Ear Protection
  • Mouthpieces, Reeds etc… for Woodwind and Brass instruments
  • Mouth / Lip Care Products

We are unable to accept returns of any custom made items designed to work together as a unique package, such as computer system built to a customer’s personal specifications. Exceptions may only be possible with prior agreement of the vendor, and may be subject to a cancellation fee.

  • Four I/O Sequential Switch Module With Intuitive Design
  • Step Switch Allows You To Switch Between 2, 3, & 4 Step Modes
  • Reset Input Enables Instant Revert Back To First Step
  • Trigger Input Steps Between The Four I/O Sockets
  • Perfect For Things Such As Different VCO Waveforms

Doepfer A-151 Quad Sequential Switch

Details
The Doepfer A-151 Quad Sequential Switch is a simple and powerful solution for switching between up to 4 input signals. Equipped with four input/output sockets, plus a common output/input, the A-151 gives you a sequential switching solution in a compact and intuitive format. Each time a pulse is detected at the module's trigger input socket, the common output/input is connected to the next input/output in the chain. After the fourth I/O, the next trigger will make it step back to the first I/O again. The A-151 also features a reset input, which switches the O/I back to the first I/O when a positive pulse is received. Four LEDs are present next to each I/O to provide visual feedback as to which I/O is active.

Product Ref: 96793

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Full Description

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New Revision With Step Switch

The Doepfer A-151 Quad Sequential Switch received a revision in 2005, with brought a new Step switch to the module to provide even more flexibility. This three-way switch that can be found towards the bottom of the module's face plate can be used to switch between 2, 3, and 4-step modes. This switch determines at which step the module will revert back to the first I/O. For example, if you have the switch set to 4, the module will operate as it did prior to the introduction of the switch, cycling through steps 1 to 4 (1, 2, 3, 4, 1, 2, 3, 4 etc.). However, if you to it to 2 or 3, it will revert back to the first step after reaching the step determined by the switch. Set to 2, the module would cycle through 1 and 2 (1, 2, 1, 2, 1, 2, 1, 2 etc.), and 3 would cycle through 1 to 3 (1, 2, 3, 1, 2, 3, 1, 2, 3 etc.).

Controls & Indicators

  • Step Indication LEDs: Each I/O features a respective LED next to the socket. These LEDs provide you with visual feedback, enabling you to see which I/O is currently connected to the common out/input at any one time
  • Steps Switch: Three-way switch that is used to limit the number of addressed I/Os to 2, 3, or 4

Inputs & Outputs

  • Trig. In: This is the module's trigger input. Each new pulse (at the rising edge) switches the common O/I to the next I/O. After stepping to the fourth I/O, the next trigger pulse will send the common O/I back to the first I/O again. With an incredibly fast repeating trigger, such as a fast LFO, the A-151 can produce exceptional audio-frequency modulation
  • Res. In: Allows you to override the stepping sequence, and send the common O/I back to the first I/O whenever a pulse is sent to the reset input. The rising edge of the pulse immediately resets the common O/I to the first I/O. Using this input, you can create repeated sequences which switch between three I/Os
  • O/I: This is the common output/input for the A-151. It will output whichever I/O is currently active/connected to the common O/I (visible via the indication LEDs next to each I/O socket)
  • I/O 1 to 4: These are the inputs/ouputs that are switched between when the module receives a trigger/reset input in the Trig./Res. In sockets

Specifications

  • Width: 4HP / 20mm
  • Depth: 35mm (Measured from the rear side of the front panel)
  • Current:
    • +12V: +20mA
    • -12V: -10mA