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Arp 1623

16 steps sequential voltage generator  (1978)

Arp 1623

"Cosmetical update from famous sequencer 1601 keeping same tecnical data, but with colors similar to ARP Odyssey Mk3 " 

 Main Data 

Arp 1623

Company: ARP 
Model: 1623
Class: step sequencer
Dates: 1978
Country: United States
Weight: 3,6  Kg
Dimensions: / mm
Price: 2000€

Display: none but some LEDS
Technology: analog
Tracks: 2 (A/B)
Memory: none
CV range: 0-10V range scale
Scale : 1V/Oct , it's about 1/12V per semitone)
Clock: internal generator or external trigger input fee
PSU: internal

panel connectors:
-  CV IN, CV OUT
 - Gate In, Gate Out 
- Trigger In
- gate bus out 1 2 3 
- step advance input
- reset input
- clocked gate out
- quantized out 1 /2
- CV input (transpose)
- quantized input 1/2
- multiple (x4) patch
- clock normal out
- footswitch out
- Start/stop  + reset clock
- pulse witdh adjust



none yet

- No official VST plugin


 - owner's manual download

- service manual download

- blank patch sheet download

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Sequencer 1623 In details 

Sequencer 1623

VOICE the 1623 sequencer features 16 x 1 steps or a dual 8 x 2 mode at 1V/Oct.
Each step can be set to a specific voltage note value,  and each also generates a special voltage gate on 3 gatebus  called "1-2-3" which can be also used as an Envelope generator.  
Other basic funtions are step-skip or reset to first note.

Tracks

- 1 track with up to 16 steps
- OR 2 tracks with up to 8 steps each. 
- Straight note playmode or   random step mode  using the relative lever switch

Voltage CV

Scale 1V/oct with a voltage 0-10V range 
and a positive gate
- Transpose whole sequence with CV  adding tension from external keyboard.

Dual Quantisize

2X  VCO quantisizer voltages to the nearest relative notes, much easier sequencing 12 tone melodic parts when you don't have to fine tune every step.

Clock

Internal clock with frequency or manual button for step advance+1.
Sequencer clock can be sync also with external triggers (patch trigger step IN)

ARP 1623

Our Verdict 

" A simple cosmetical update for one of the most famous and smart sequencer ever produced!" 

Sound 
quality

Interface

Build
 quality

Rarity

Quality / 
price

Overall

CONS

- can be expensive
- no midi nor modern fancy

PROS

-Rare
- powerful
- great interface

Are you an ARP SEQUENCER  user? do you like it? You do not agree with our review?  Let us know in the comment field just below 

DISQUS COMMENTS WILL BE SHOWN ONLY WHEN YOUR SITE IS ONLINE

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ARP 1623 sequencer ARP 1623 sequencer
88 out of 100 based on 1 user ratings
1600 to 2000 from 1 sellers Sellers: