TTSH v4 DIY Synthesizer

TTSH v4 DIY Synthesizer


TTSH v4 DIY Synthesizer


Current synthCube Kit BOM Version 1.7

We are pleased to announce the availability of TTSH v4.

In collaboration with Human Comparator, we have taken the TTSH v3, modified and updated it, and are making it available again

The TTSH v4 is available in a number of  configurations:

1.       Assembled and Tested: includes one-year warranty

2.       Full DIY Kit Including Metal Studio Case

3.       Full DIY Kit Less Case: PCB , Panel, Full Parts Kit, No Case—make your own enclosure!

4.       PCB Set + Panel + Case: source your own parts!

5.       PCB Set + Panel: Source your own parts and make your own enclosure!


Shipping: these items are exempt from free and special shipping offers. Shipping charges will be calculated when the order is placed, and will be based on the destination, choice of delivery service and package size and weight. If actual shipping charges are greater than what is paid via checkout, we will invoice for the difference, which has to be paid prior to shipping. If the actual shipping amount is less than what you pay at checkout, we will refund the difference. 

if you order an assembled unit, you will have the opportunity to specify additional options and modifications. These are made-to-order units. Options available include Gate Booster mod, VCO Synch mod, MIDImplant, Slider LED Caps, Slider/Pot/Switch Dust Covers, Choice of Standard Case, Tolex Road Case, Studio Case (Poplar, Cherry, Walnut)

The assembled/tested ‘in stock’ instrument includes the standard studio metal case . 


TTSH V3 build documentation thread: TTSH V3

TTSH V4 build documentation thread: TTSHv4 Guide Link

The TTSH v4 includes the following updates from v3:

1.       Corrected the Pin out for the 2N3954/8 

2.       Corrected the missing trace on the filtercard 4072

3.       Corrected the bc558 wring pinout on 4012 VCF Card 

4.       Corrected the ‘via’ filling that created issues with jacks

5.       Add mainboard VCF header missing -15V power

6.       Add mounting hole for Gatebooster PCB standoff

7.       Removed dimming autostart on LED

8.      New spec for lo-fi speakers


this is the tolex case, available as an option:




On Demand Info

These kits and assembled modules are offered on demand, click the link to learn more.


Module Parameters

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  • from $99.00 TO $3599.00
  • Ex Tax: $499.00

Available Options

assembled and tested, studio case
Out of Stock - $3,599.00
full kit + pcb set + panel (no case)
In stock / $1,699.00
Available : 25
full kit + pcb set + panel + case
In stock / $1,949.00
Available : 1
pcb set + panel
In stock / $499.00
Available : 6
pcb set + panel + case
In stock / $749.00
Available : 13
ttsh led slider cap set (58 caps)
In stock / $99.00
Available : 3
ttsh v4 studio case, black powdercoat
In stock / $249.00
Available : 18
ttsh v4 studio wood case, cherry
In stock / $369.00
Available : 4
ttsh v4 studio wood case, poplar
In stock / $369.00
Available : 2
ttsh v4 studio wood case, walnut
In stock / $369.00
Available : 4
ttsh v4, panel only
In stock / $249.00
Available : 25
ttsh v4, partial kit- all parts less pcbs, panel and case
In stock / $1,199.00
Available : 2
ttsh v4, pcb only
In stock / $249.00
Available : 35

Tags: ttsh, tabletop, synth, the human comparator, diy, kit, synthesizer, synth voice, keyboard, synths, (thc)