SKU: 57084227397

Chronovore, 24HP CV/Gate Sequencer

Sale price$132.75 Regular price$147.50
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Description

Chronovore, 24HP CV/Gate SequencerChronovore is a CV Gate Sequencer based on the TB 303. The circuit was faithfully recreated with modern components in a small form factor suitable for eurorack. The device includes the Pixie u650 CPU which runs an emulation of the original 303 mask ROM for a genuine 303 experience. Since the hardware is identical to the 303 sequencer, other CPUs such as the Quicksilver or Sonic Potions are also compatible (but not supported). Features: Accent, Gate,

 

Chronovore is a CV/Gate Sequencer based on the TB-303.  The circuit was faithfully recreated with modern components in a small form factor suitable for eurorack.  The device includes the Pixie u650 CPU which runs an emulation of the original 303 mask ROM for a genuine 303 experience.  Since the hardware is identical to the 303 sequencer, other CPUs such as the Quicksilver or Sonic Potions are also compatible (but not supported).

 

Features:

  • Accent, Gate, CV Outputs
  • Clock in (24 PPQN) and Run (active High) Inputs for sync
  • MIDI Input for MIDI sync and start as supported on Pixie, TRS A or B (universal)
  • Adjustable slide time, stock, long, longer, and REALLY long
  • Digital controlled Bank/Function controls with display (pattern groups are displayed as A-D instead of I-IV)

Please Note:
This device uses PSIpower and has NO POLAIRTY on the power header, it can be installed EITHER WAY 

 

24HP, 25mm Deep

Current Draw: +12 65 mA, -12V 0 mA

 


 

 

Preliminary Operating Instructions:

 

A: Pattern/Track Write/Play mode selection

Instead of  two big rotary switches on the 303, we have a display and buttons to switch between the 4 modes.  Pressing a button once will put you into PLAY mode, pressing it again will put you into WRITE mode for the corresponding mode (TRACK/PATTERN).  The LED above the button will stay ON when in PLAY mode and flash when in WRITE mode.  The display will show the numbers 1-6 for TRACK mode banks and ABCD for PATTERN mode banks.

B: MIDI Connection

The pixie processor supports MIDI SYNC only at this time, to activate midi sync, you press the FUNCTION and CLEAR buttons on the keyboard at the same time (this will trigger the settings mode) and the sync button is toggled with the time mode button (the LED will be on or off depending on the mode).  The sequencer can then be started from a midi sequencer that sends a start/stop command and the internal tempo is disabled.  Pressing the function button will exit out of the settings mode

C:  Analog sync functions

The DINSYNC functionality is unchanged from the 303 but the routing is expanded to make it more flexible in a modular setting.  The two sync inputs (RUN and CLOCK) are normalled to the internal clock so without anything plugged in, the device runs as SYNC master, just like the 303.  Plugging anything into those ports slaves the device to incoming sync (this MUST be DINSYNC/24PPQN positive clock for the clock and a RUN HIGH/OFF LOW run signal).    Since there are two inputs instead of one cable on the 303, those two signals do not have to be both used at the same time so you could slave the clock and still use the panel start/stop or vice versa.  There is also a switch on the back of the device that converts those two ports to sync OUTPUTs that send clock and start info (just like plugging in the DIN cable halfway on a 303)

D: Adjustable slide time

The slide circuit has 4 different slide times available.  OFF is the stock TB-303 slide time and then the LEDs cycle between the 3 others which get progressively longer

Beyond that, please refer to the TB-303 instruction for sequencer operations.  Great care was taken to make sure that old NEC part behavior is accurate and if you've used a TB before, it will be very familiar, very quickly. 
The Roland TB-303 Manual can be found here


Shipping Notes
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Exchange/Return Notes
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SKU: 57084227397

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T Elliott
Lake Worth, US
★★★★★ 5
Exactly what I was looking for.
Color: Brown, Size: 3 Panel, Color: Brown, Size: 3 Panel
Although other reviews found this item was too lightweight and flimsy, frankly it was exactly what I was looking for. I needed to partition my workspace off from the rest of the room and I wanted something that I could easily attach to the back of an unfinished bookcase as part of creating a private space. It was perfect. Lightweight easy to handle and I didn't mind putting some nails through it. Great price point for what I needed.
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Reviewed in the United States on March 26, 2024
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John
Draper, US
★★★★★ 3
Made cheaply.
Color: White, Size: 3 Panel
Seems fairly sturdy ( 3 panel white) but made with extremely cheap materials that will not last. The cheap materials are very noticeable with the white screen. No assembly needed. Would not but again.
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Reviewed in the United States on November 24, 2025
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L. Sun
Massapequa, US
★★★★★ 5
Beautiful brown privacy screen!
Color: Brown, Size: 3 Panel, Color: Brown, Size: 3 Panel
Why did you pick this product vs others?: The measurements were perfect for what I was looking for.  The length and width are the same as my rattan raised garden bed which I have placed in front of the screen on the deck.  This secures the screen so there is no issue of weather conditions. I have been looking for weeks for a privacy screen at every possible product and combination. and almost gave up when I noticed the measurements of the screen would fit behind my raised bed!  Now I am going to plant some flowers in it.  This is a terrific buy for me.  i am so happy! Looks great: The perfect size, color, and design match my brown deck rattan furniture. Ease of assembly: No assembly which is nice in this hot weather! Room divider: It provides much needed privacy
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Reviewed in the United States on July 8, 2025
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Debbie Flynn
Massapequa, US
★★★★★ 5
Love it it was perfect for what I needed it for. Good quality!
Size: 4 Panel, Color: Black
It like a very dark chocolate brown/black. What I liked most about it is that you just pull it out of the box take the long plastic film off of it and it's ready to go. It has protective feet on the bottom. It's very attractive and it was so easy. It's so nice when you have a product you don't have to assemble.
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Reviewed in the United States on May 13, 2026
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Suphisara B.
Dallas, US
★★★★★ 5
Good quality. Nice design
Size: 4 Panel, Color: Chocolate Brown
Love it. Beautiful and good material. Just a little bit too high for my room.
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Reviewed in the United States on May 7, 2026

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