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Dual Noise Gate HP and TP filters, “Key List” option, Stereo Mode, Envelope control, Controls: Attack, Hold, Decay, Range, Balanced inputs and outputs, Format. The Drawmer DS is a dual channel gate designed for use in the recording studio. I’ve personally only used it in the studio, so I can’t really. I used to think that gates were all the same. I bought an inexpensive quad gate years ago and have used it quite a bit for cleaning up a bit of tape hiss or amp.

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DS – Dual Noise Gate.

The DS is a sophisticated dual channel noise gate incorporating a number of features pioneered by Drawmer, which are invaluable to the sound engineer, and not found on conventional noise gates. These features and its “user friendliness” have made it the “industry standard” throughout the world. Setting up noise gates can be tedious and unrewarding.

For example, when attempting to separate a signal from unwanted noise or crosstalk that is relatively high in level, spurious triggering of the gate by unwanted components within the sound can be a serious problem.

This can often be experienced in the studio when recording a drum kit. If a gate is used to clean up the snare drum sound it is quite likely that the nearby hi-hats will spill into the snare drum microphone and cause the gate to open.

Increasing the threshold level vate cure this problem, but then there is a very real danger that any quieter snare drum beats may not d201 the gate to open at all and the performance can easily be ruined.


The DRAWMER solution to this problem is the inclusion of two variable filters, one high-pass and one low-pass, which act upon the side-chain keying circuitry.

By setting the output switch to key listen the user can hear the action of the filters and adjust them to reject high frequency spillage from the hi-hats.

This now enables the gate to only open on the lower frequencies present in the snare drum. Drawmer pioneered the concept of frequency conscious gating, and the Drawmer DS was the first noise gate to include this feature.

The very fast attack of the DS means that it can open in a matter of micro seconds, dhal preserving the natural attack of whatever sound is being gated and the comprehensive envelope controls mean that the gain can be changed at whatever rate best suits the material being processed.

With vocals dyal example, a fairly fast attack is needed so as not to clip the leading consonants but a slower release time will prevent the end of words being clipped off and will also fade out any noise gradually rather than cutting it off abruptly. This latter point is very important as the human ear is far more sensitive to ddawmer changing noise levels than to a constant low level noise. Another important role played by the gate is in the reshaping of existing sounds.

Drawmer DS – Thomann UK

An example of this might involve a simple sampling delay line used to store a sound to be re-triggered later and added to a mix. A gate can be used to impart drawmwr slower attack or faster decay to the sound and careful setting of the decay envelope can effectively hide any noise present at the end of the sample.


When using a sampler or drum machine the gate can be considered a triggered gatd shaper, and the wide range allowed by the envelope controls make the DS ideal for this application. The unit can be switched to accept a key input, which allows the gate to be triggered externally. An example of this would be to use a snare drum signal to open the gate on a separate ambient microphone to create a natural alternative to gated reverb.

Each channel can be individually switched from Gating to Ducking gaet ‘voice over’ applications or the removal of ‘clicks’ and ‘pops’. DS – Dual Noise Gate The DS is a sophisticated dual channel noise gate incorporating a number of features pioneered by Drawmer, which are invaluable to the sound engineer, and not found on conventional noise gates.


Drawmer DS201

Variable high pass and low pass filters for “frequency conscious” gating. Comprehensive envelope control, attack, hold, decay, and range. Key input for external triggering. Extremely fast attack time, to preserve the natural attack of the sound. Balanced inputs and outputs.

Can be used for “Gating” or “Ducking”.