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Notes: Introducing the HATS808, a drum module that brings the classic TR-808 closed and open hi-hat sounds to the Eurorack modular synth format. This module includes features like independent accent levels, a high-powered gain stage, dual input pulse-shaper, and adjustable Filter Q and VC-Q knobs for additional tuning.
The HATS808 uses six analogue square wave oscillators to create its signature sizzling sound, maintaining the unique metallic character of the original. The original "choke" circuitry is fully implemented but can be disabled if needed. The high-powered gain stage allows for further sound harmonization through distortion and clipping. The dual pulse-shaper circuit ensures consistent sound quality from any pulse source, making the HATS808 an easy and powerful addition to any modular synth setup.

TR-808 is a Trademark of Roland Corp Japan

Size: 8HP
Depth: 14mm
Power: +12V 30ma / -12V 25ma

Notes: The SD909 adapts the iconic TR-909 snare drum and noise generator for use in the Eurorack modular synthesizer format. Tiptop painstakingly tested the module in their lab to sound like a fresh machine coming off of the assembly line back in the 80s. On top of the original circuit, Tiptop have added new features that expand the palette of what can be produced with this analogue circuit.

The sound of the SD909 consists of two main sections: the binary noise generator and two modulated triangle oscillators. The oscillators provide the low end punch while the noise makes up the upper sonic spectrum, resulting in a combination that makes the 909 snare sound so rich. In the SD909 module, the noise generator and oscillators are variable and voltage-controllable, pushing the circuit beyond its original boundaries, offering new sounds and many variations of the original tone. The panel also has markings to guide setting the knobs to reproduce the vintage snare sound of the original machine.

Just like the other drums in this series, the SD909's high-powered output gain stage allows further enhancement of the sound through distortion and clipping. Tiptop have designed a dual pulse-shaper circuit on each gate input so you can trigger your SD909 with Trigger/Gate signals from step sequencers, clock dividers, or any other pulse/clock sources. Also, the SD909 is equipped with access to the MIXZ MixBus, matching the rest of the Tiptop line of percussive modules.

TR-909 is a Trademark of Roland Corp Japan

Size: 8HP
Depth: 46mm
Power: +12V 35ma / -12V 30ma

Notes: Introducing the CYMBL909, part of Tiptop's new series of drum modules that brings those classic percussion sounds into the modular synth world, instantly turning your system into a self-contained music machine.

CYMBL909 is a dual voice module containing the TR-909's original Crash and Ride circuits adapted for use in Eurorack modular synthesizer format and was designed to sound like a fresh machine coming out of the assembly line back in the 80's. On top of the original, Tiptop have added some great new features that expand the sound palette of what can be produced with these two voice circuits.

The original circuits use a combination of low-fi 6-bit sound samples that pass through a series of analogue elements that provide envelope and filtering to the source sound. The CYMBL909 module adds manual and voltage control of the sample's analogue tuning section creating tones which range from heavy industrial at the low end, to the original crash/ride sound at the mid range, and bright hats-like sounds at the top end. Modulating the tune with an envelope, CV sequencer, or LFO makes interesting sound bending effects, which can be applied either in or out of sync with the triggering of the sounds.

Just like the other drums in this series, the CYMBL909 high-powered output gain stage allows you to further enhance the sound through distortion and clipping. Tiptop have designed a dual pulse-shaper circuit on each gate input so you can trigger your CYMBL909 with trigger/gate signals from step sequencers, clock dividers or any other pulse/clock.

TR-909 is a Trademark of Roland Corp Japan

Size: 8HP
Depth: 46mm
Power: +12V 60ma / -12V 40ma

Notes: Reverse-engineered from the original machine, the BD909 is an identical recreation of the original all-analogue drum circuit of the TR-909. Tiptop have added additional controls and synthesis features that turn this classic circuit into a chest-pounding analog bass drum laboratory - all tightly packed into an 8HP module. The BD909 sound differs from the BD808 in that the main sonic energy is centered in the mid to low frequency range (as opposed to the low frequency range of the BD808). This frequency range gives the needed headroom allowing your bass lines to deeply fill up the low end while the kick drum rides on top - creating a clear and punchy mix.

The BD909 includes all the controls found in the original: Attack, Decay, Tune Decay, Accent, and Level. Tiptop have gone beyond that and added controls that further increase the palette of sound this circuit is capable of. First off, a tuning control knob has been added for the oscillator and included its own CV input and attenuator that let you tune the 909 kick with your bass lines. Next, control knobs have been added for the tuning attack and extending tuning decay. Each one affects the other, allowing for intuitive and interactive sound shaping, opening Z8000 up numerous "sweet spots" and provides the ability to center the energy peak at different parts of the sound. Finally, Tiptop have offered additional punch and distortion by giving complete control over the internal waveshaper, which allows you to overload the waveform manually or with voltage control.

Beginning with the classic and pure sound of the 909 kick, these additional functions greatly expand the BD909's flexibility and let it create powerful analogue bass drums that range from soft and smooth to punchy and aggressive - and everything in between.

TR-909 is a Trademark of Roland Corp Japan

Size: 8HP
Depth: 36mm
Power: +12V 34ma / -12V 21ma

Notes: MIXZ is a multi-channel mixing module for mixing audio, CV, and gate signals with excellent linear response and low noise. Balancing a clear visual layout and multiple mixers in a small footprint makes the MIXZ easy to use in a variety of configurations within a modular synth. Its high-quality analog mixing circuitry makes for a great sounding mixer with plenty of headroom, providing a smooth, organic merge of dynamics and excellent separation of mixing sections and channels. MIXZ has three sections:

Mixer A: a low-noise, 4-channel mixer with independent gain control for each channel.
Mixer B: a low- noise, 4-channel mixer with master gain control.
MixBus: a multi-channel mixer that mixes signals from modules utilizing the Tiptop MixBus.

Mixer A and B can be configured as either two independent, 4-channel mixers or as a single 8-channel mixer. If the output of Mixer A is not in use, then Mixer A will be routed internally to Mixer B forming the 8-channel mixer.

Tiptop MixBus is a new method we have developed to mix audio signals through the Eurorack power bus board without patch cables. A little bit of magic, eh? Although this technique is not ideal for a low-noise mix, we found it to be useful for some applications, including mixing our drum modules, which all have a MixBus-enabled output. The result is that your drum modules are always available and mixed on the master out of the MIXZ with a flip of a switch. This will save you time and frees up cables for repatching sound again and again, while keeping the channels of MIXZ free to bring other signals into the mix.

Combining the MixBus with Mixer A and B, the MIXZ sums dozens of channels in only 10HP.

Dimensions:
10 HP
36 mm deep

Current draw:
14 mA +12V
14 mA -12V

Notes: The Z4000 NS is a snappy voltage-controlled analog envelope generator with a built-in CV processor for scaling, inverting, and voltage-controlled deviating of the envelope shape. The Z4000 generates an envelope made of the four classic segments: Attack, Decay, Sustain and Release, in which each segment can be manually set using knobs or dynamically set under voltage control.

Control knobs for the Attack, Decay, and Release segments are scaled. The first 0-50% of the knobs rotation is dedicated to high resolution adjustment in the millisecond range.

The output levels are fully adjustable with signals that can reach up to 10V in either polarity and can be mirrored into the opposite polarity or clipped using the voltage-controlled deviater-scaler. A bi-color LED indicates intermediate values in both polarities and their crossfade state.

The Attack slope switch allows selection of a logarithmic or exponential curve for the Attack segment. This subtle effect helps further the fine adjustment of the Attack segment slope. A Shoot button is provided to let you fire the envelope manually. The Z4000 also provides a retrigger input allowing you to create legato notes when using a classic keyboard interface.

Going down to nuts and bolts, the Z4000's smoothness and snappiness is made possible by a four segment active-charge discrete circuit which is an extended version of circuits found in classic two segment rise / fall transient generators.

Size: 8HP
Depth: 28mm
Power: +12V 34ma / -12V 18ma