Time to get a little more serious.

SH5-VCF is an all analog Eurorack adaptation of the Roland SH-5 mixer and Dual Filter. There are no filters-on-a-chip here. The SH5-VCF uses all discrete components and quality op-amps to work its special mojo. Like on the original, the Low Pass circuit is comprised of open-collector matched transistor pairs arranged in a diode ladder configuration. The lack of temperature compensation was also respected, so while the resonance can self-oscillate the v/oct keyboard tracking is about 3 octaves at best. This same configuration used in the Roland SH-1000 and the earlier System 100 (not 100m).

The Dual Filters: VCF + BPF
| VCF | The VCF (Voltage Controlled Filter) comprises one HP (High Pass) and one LP (Low Pass) circuit in series. VCF Select switch can choose 1) HP, 2) LP, or 3) BP (Band-Pass) configuration. Due to the unique design, the HP resonance is actually derived by overdriving the LP circuit.
| BPF | The dedicated BPF (Band Pass Filter) has its own discrete circuit distinct and apart from the VCF. The original BPF circuit has been respected, but greatly expanded upon using a proprietary voltage controlled feedback path to enable frequency control via external signals. This feature wasn’t available on the original design. The original did not have a buffered output jack for the BPF neither, as the SH5-VCF does. The BPF Level attenuator will affect the main output only.

The MIXER
There are four audio signal inputs, each with its own fader pot and filter routing switch. Each routing switch can send each audio line to either VCF, BPF, or both VCF + BPF.

The 3 CV MODULATIONS – Choose Wisely
Incoming CV signals can be used to modulate any filter frequency cutoff. Signals can be up to +/- 10Vpp DC polar or AC bi-polar at the inputs.
| CV1 | has inverting and non-inverting behavior where zero is at 12:00.
| CV2 | has non-inverting behavior for both filters, and inverting available to VCF only
| KB | is a non-inverting V/OCT Keyboard Tracking control available to both the VCF and BPF, typically a Keyboard Voltage – but can be any kind of polar or bi-polar signal.

GETTING THE MOST OUT OF YOUR FILER
To get the most out of the filter experience follow your filter with a VCA. The filters require startup voltages on the low end to avoid audible thump, so there will be sub-frequency audio seepage. A post-filter VCA (sold separately) is recommended to gate the filter. Be sure to check out the G-Storm Electro 2xVCA when available.

INCLUDED | A Eurorack power connection ribbon cable.
NOT INCLUDED | M2.5 or M3 (Doepfer standard) Phillips-head basic zinc rack screws are only provided on special request. Why do I do this? To cut down on rack screws that are wasted in the universe. What's it gotta be? Thousands? Hundreds of thousands? Unused, unwanted. You know the ones I mean | wrong size, wrong color, cheap junk tin, top slot-stripping, rack-rashers, wrong thread count, wrong length, wrong political party, etc. I use thumb screws in 2 sizes myself. So yeah, if you request some M3's from me, I will probably pull the ones from other companies boxes in my closet. You're welcome :D
The SH5-VCF pairs well with (sold separately)…

  • GSE 101-VCO + 101E output expander
  • GSE 2xVCA
  • GSE 2xADSR
  • Xaoc Batumi Quad LFO

Be sure to check out my other cool modules in my Reverb store! https://reverb.com/shop/gstormelectroSpecs
Width | 16HP
Depth | 37mm
Weight | 6.3 oz
Inputs | 4 audio, 3 control voltage
Outputs | 1 main output, 1 BPF output
CURRENT DEMANDS (measured)
+12V: 48mA
-12V: 48mA
+5V: 0V *not used*

“10/10 This filter rocks! great built quality and near perfect adaptation ( I own a sh5) Wouldn’t hesitate to buy from again, which I probably will!” –N.K.

“oh boy what a great sound this makes. All the knobs are super smooth. Great service” -JM

“Best eurorack filter around! Prompt shipping witout any issues. Fun fun fun” -MS

ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.learn more
Brand
Model
  • SH5-VCF
Categories
Made In
  • United States

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gstormelectro

Oklahoma City, OK, United States
Sales:1,909
Joined Reverb:2016

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