SKU: 83232365534

Entity Bass Drum Synthesizer

Sale price$152.55 Regular price$169.50
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Description

Entity Bass Drum SynthesizerThe Entity Bass Drum is a complete and versatile synthesizer voice geared for designing a huge array of bass drum, percussive and synth sounds. Finally, a truly deep tool for creating analog bass drum, bass lines and other percussive effects is here! The design consists of a high fidelity resonant filter, 2 stage slope generator (rise fall) with independent slope shaping, a high fidelity VCA and discrete transistor saturation circuitry. Every

The Entity Bass Drum is a complete and versatile synthesizer voice geared for designing a huge array of bass drum, percussive and synth sounds. Finally, a truly deep tool for creating analog bass drum, bass lines and other percussive effects is here!

The design consists of a high fidelity resonant filter, 2 stage slope generator (rise/fall) with independent slope shaping, a high fidelity VCA and discrete transistor saturation circuitry. Every parameter on the Entity Bass drum is voltage controllable.

By applying a trigger of any length and at least 2V amplitude, we excite the resonant filter to produce a percussive sine wave. The pitch control tunes the output with a range of 8Hz to around 2.2KHz. Both higher and lower levels are achievable using the FM input for modulation etc. The internal filter will track 3-4 octaves reliably and the tracking device is temperature compensated.

Very high fidelity design - no generic op amps used in signal path. Only discrete components and audiophile grade op amps. Signal path is completely isolated from euro power rails. Very low nominal noise. High headroom using hotter signal levels and will cut through any mix.

The slope generator (ENV) can be switched into the circuit via the 3 way switch below the FM LVL control. This control is a bipolar attenuator which affects the level of the slope generator and/or external modulator that affects the pitch of the output.
The 3 way switch selects FM, FM+ENV or just ENV as a mod source.

The rise/fall envelope is a two stage function generator. The controls provide slope timing from 1ms to about a minute. To the right of these controls is the shaping section where logarithmic, linear and exponential slope shapes are selected independently for the two envelope stages.
The envelope is designed to re-trigger at a set point. This allows for changing dynamics to occur to pitch and amplitude when the slope times are greater than the output transient time. For instance the sound can vary between any number of triggers that fire before the envelope set point is reached. Setting the slope time fast enough (below roughly 1 o'clock) provides for nominal operation. Settings will vary depending on trigger and ring decay timing.
The envelope can also be used exclusively or in a more complex patch via a direct +ENV output. Additionally, a novel DUCK output provides a means to control external VCAs - to work like slow compressors. DUCK is an inverted and positively offset version of the +ENV out. This keeps VCAs open when the envelope is off and effectively 'ducks' the VCA when the envelope fires. Of course, mod sources for these outputs are not limited to VCAs...

BODY is a subtle, yet novel control. This control simulates the tightness of a drum head. All the way tight, we get a softer and somewhat muted sound, to the right we achieve a more flabby sound. The middle region is the sweet spot for a nearly perfect resonant drum. BODY can have a greater effect depending on the other parameters and can be very useful for fine tuning the sound in a mix and designing original drum sounds.

RING controls the resonant decay time. Both short and plucky and an infinite ring are obtainable. The filter is tuned so that it will always resonate a little, even when RING control is all the way down.

Before the output section, we have the discrete transistor saturation. We like this because of the vintage low end distortion from overdriven class-A discrete amplifiers. This one is tuned a bit more aggressively and just a touch is necessary to add some bite. However, you can go over the top and get brutal if you so desire... ;-)
The saturator will overdrive the output stage for more of a hard clipping effect that can be tuned out by adjusting the output level control without sacrificing signal amplitude - its a hot signal by intention.

The OUTPUT section is a parallel signal processor design. The OUTPUT control blends the nominal output with a secondary input (or nothing) depending on the 2 way switch setting below the control and/or whether an external signal is patched into the AMP CV input. In 'AMP' mode, the OUTPUT control works like a volume control. If a signal is active on the AMP CV input, the control will blend between the nominal output and the CV control level. Similarly, in 'ENV' mode we get the same blending action using the internal envelope.
The result is a sort of parallel compression effect as the output and CV sources are blended together - or totally independent at the extremes.
By providing amplitude shaping as well as pitch, resonant decay, body etc. even more sound shaping possibilities are available.

The VCA can also be accessed directly via the A-MIX input. This allows you to use the output section as a standalone VCA (modulated via the envelope or not) or to mix other sounds with the Entity. Feedback patching is a possibility using a stackable or mult to feed the output into the A-MIX input. This produces a juicy distortion effect of a different flavor, you may like it.

The filter can be used independently or in combination with the nominal output via the F-MIX input. This input is used as an aux trigger input that is sensitive to pulse/trigger width. As the effect is less dramatic than the main trigger, dynamic rhythms are achievable using both inputs and creative triggering.
As an acid style processor, patch a VCO input the F-MIX input and use the controls to modulate and accent the signal for some convincing 303 style acid bass lines and beyond.

Additional features:

PING! button to demo sounds without a trigger source.

RGB LED for visual feedback of trigger, FM and output waveform

All parameters are CV controllable. Controls double as CV attenuators.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 83232365534

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4.5 ★★★★★
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Verified Purchase
Trent Knabb
Alexandria, US
★★★★★ 5
Perfect for what I needed.
Color: M01 Black
Love it! If you love fresh ground coffee it’s a must have! We use a Stainless steel k-Cup in our name brand coffee maker. This grinds the exact amount for a K-Cup refill. I think if you were grinding coffee for a full pot it would definitely not be worth the time and effort however for a single cup or a drip coffee maker it works really well! The grind size adjustment is on the main shaft of the grinder so I find it is easy to accidentally change the size of your grinds. Definitely have to be careful not to hold to high up while grinding coffee. It’s easy to use and hold. Looks nice and has held up well. The little coffee catch is glass so it doesn’t stain and is easy to clean. The kids love grinding my coffee for me. They find it fun as well. We took it camping and it was great for coffee around the fire too! Just don’t forget to put the little glass container on before you bring….. it makes a mess.
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Reviewed in the United States on November 21, 2025
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KD
Carnegie, US
★★★★★ 5
Small and mighty. Good quality.
Color: M01 Black, Color: M01 Black
In the past few years we’ve started buying only whole bean coffee to use in our French press. Given a few blackouts this past winter we thought it might be a good idea to have a manual coffee grinder on hand (instead of having reserve grounds). This compact grinder is good for a serving of two. It reminds me of a peppercorn mill and will fit 3 tablespoons of coffee beans. Overall I’m pleased with this product and would purchase it again. However, in the future I would also consider a larger and more ergonomic mill as I usually make at least 4 cups (4 tablespoons) of coffee at a time. The top can also be a little tricky to remove. PROS: - Grind setting works well - Quality feeling materials - Relatively simple to operate - Cost/value CONS: - May be too small for some - Top may be challenging to remove (e.g. Those with arthritis or difficulty with fine motor movement)
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Reviewed in the United States on February 28, 2026
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Verified Purchase
Haraaron
Natrona Heights, US
★★★★★ 4
Compact, Quiet, and Great for an Office Coffee Upgrade
Color: M01 Black, Color: M01 Black
I bought this to use with my AeroPress at work, and for the price, it’s been a solid addition. The ceramic conical burr delivers a noticeably better cup than the pre‑ground coffee in the breakroom, and it grinds two scoops in about 15–20 seconds. It’s quiet, compact, and easy to stash with the rest of my setup. A few things to note: • The body can be slippery, and it occasionally twists in my hand when it catches a bean. A wide rubber band around the body of the grinder fixed that issue however. • Grind consistency is decent, not perfect. After three months I’ve found my sweet spot, but it’s not as uniform as my electric burr grinder at home — which is probably an unfair comparison. Expect small adjustments when switching beans as it can affect bitterness. • I wish it could be taken apart for deeper cleaning; the included brush only reaches the underside of the burrs. Maybe that’s overkill, but I’m used to doing it with my home setup. On the upside, it feels well‑built, works reliably, and the large handle knob is great for anyone with limited grip strength. Overall: A dependable, travel‑friendly grinder that delivers good results for the price. I’m happy with it and would recommend it for office or on‑the‑go brewing.
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Reviewed in the United States on January 16, 2026
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Verified Purchase
Jamie Goodrich
Los Angeles, US
★★★★★ 5
Satisfying and convenient.
Color: M01 Black
I've been drinking powder coffee and drip coffee, and wanted a change. This thing is really satisfying to use (I love the crunch) and clean. It's really sturdy, I've dropped mine once or twice and it's still going. It's small, and easy to adjust, but I mostly just grind it medium. It's utilitarian, but still looks quite pretty. Looks just like the pictures.
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Reviewed in the United States on May 7, 2026
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Verified Purchase
Linda M
New York, US
★★★★★ 5
I use it everyday and love it
Color: M01 Black
I was worried when I first purchased my mini manual coffee grinder. I was afraid I would not be able to use it due to arthritis in my hands. Well! No worries now. This little guys works great. It grinds fine to course and without undies stress on my hands. Thank you for making such a great grinder for all us nomad folks who enjoy freshly ground coffee in our rigs.
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Reviewed in the United States on June 8, 2026

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