Crumar BIT99
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Crumar BIT99

BIT99, Analog Synth from Crumar.

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obr___ 09/25/2014

Crumar BIT99 : obr___'s user review

« My first .. »
5

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Value For Money : Excellent
Polyphonic synth twice 6 votes subtractive synthesis. The keyboard is velocity sensitive, with a potentiometer (the only one in front) to adjust the effective velocity.
The waveforms are the most common (sawtooth, pulse, triangle). These shapes are added together. Oscillators are détunables. There is also a noise generator.

No effect.
Knurled pitch (+/- one and a half tones), soustain pedal, pedal "program change" (moves one sound)
2 outputs (stereo, see below). We can divide the keyboard or add two sounds.

In Out True noon (noon simplistic note and change sound).
Input / output to expand the memory of a musical.

No séquenseur, no arpeggiator. But we said, there is MIDI .. so ..

UTILIZATION

Obviously, people rush to say "it's awful." To be honest, I have probably said the same if it had not been my first keyboard. The fact is that I learned synthesis through this gem and it has long been my only keyboard. So I took the time to tame.
Indeed, we must enter the programming mode button ["addr"], the number tapper for the setting to change [2 digits] and change the value with the "+" buttons and "-", then another button to save if it suits. It's not super sexy when you love the rotary knobs, but it's actually very practical, the table being under the eyes. Soon parameters remain top while manipulating a lot (19: filter; resonance !! 20)
The fact is that the vast flat surface also request to host a little synth, so it is very difficult to ensure that the plan is not covered ...

Noon is in the beginning, so little control. No parameters for programming the audio is available. Single note and change sound.

But among the fun things, the keyboard is divisible place we want to play "split" may also layer sounds ("double"). Sounds from 75 to 99 are also not sound as such, but two groups of sounds present between 01 and 74.
The "stereo" button or make a sound from one side, the other on the other where one is between two sounds is to bring out the notes in a half out and out other half in the other output in the case where there is a single sound.

Let's talk about screen printing: in front of every number is a check box for the corresponding parameter. If in this case there is nothing written other than the parameter is that it's all or nothing (on or off), if there is a triangle on the bottom left of the case is that the parameter can take multiple values ​​(potentiometer type) and if the parameter is surrounded is that it can be modulated by velocity. Namely: the filter attack, the attack of the VCA, the speed that each of the LFO, the PWM for each of the DCO, the amplitude of the VCA and the amplitude of the envelope of the VCF are velocity sensitive.





SOUNDS

Yes it's been 80 years, but I got my start in the synthesis with that, I very well could create ambience 70 years.

The "problem" that amuses me enough is the reputation it has all of its analog while the oscillator is ... digital basic circuits (8253 for electronics) generate high-frequency signals that are used by the counters (4520), which are diverted from their normal use for a ramp generator here, the famous sawtooth. We created a wave of 5 bits. Following what is analog circuits that make the pulse (which no longer appears no trace of digital) and the triangle (which is sort of 4 bits). So rather than fat analog sound was rather one of the worst air digital sounds (except the square wave is out of play, "perfectly" analog). When playing low notes, it actually means quite unusual harmonics. So it's a unique sound !! What exactly its charm!

Generator noise is 100% analog.

Side filter, it's Curtis, the CEM3328 (or SSM2044 for the first apparently). The kind of Sequencial Circuit and Oberheim. Real analog big too. 24 dB per octave. They are self-oscillating, you can almost play melodies on it (a bit wrong actually ..).

LFO, a little stair (put gently into self-oscillation to realize, no problem in typical use) can go to much higher frequencies.
If it is not possible to improvise sounds to the Equinox, it is still possible to program them!
The LFOs have square shapes, sawtooth (uplink for one, down for another) and triangle.

Otherwise, a point of view more "ear", it does very well tablecloths, capable of some organ sounds, copper. Enooormes low or low sub (chipped home properly). Quite capable of making sound effects. In short, very heterogeneous, even if it is not THE big sound analog. Besides the better it is not the same as everyone else!
I also heard the demos on the internet that made me realize that I did not knew it according to its true value!

OVERALL OPINION

I'm not super goal (which can be?) Because'm emotionally attached, I made my debut and first songs on it. I learned to use me and I have probably done more research with this one at this time with all the synths that I had afterwards.

Quite honestly, if you want THE sound analog, it may not be what you need is. Here is A super analog. It's still a synth with the most standard configuration that is-with COD 2 and 2 LFO, which is actually not that common for a true analog polyphonic. That said, the low reputation gives it excellent value for money.

What I like most: (!) Originality (yes, I only have keyboards knobs otherwise ..). Its fat, its delicacy, its simplicity, its sounds, its se ..
What I like least: no damage parameter is controllable by noon, then it would have done in a killer! Also, the keyboard is flush with the body, which brought me to ruin several keys at a time when I wandered. So be careful when transporting.

I think never get rid of it because is too different from other analos I, and those I am considering.