Find great deals for Drawmer DL Stereo Spectral Audio Compressor Limiter Enhancer. Shop with confidence on eBay!. This however, is not the case with Drawmer’s DL Dual Spectral Compressor which incorporates ‘Dynamic Spectral Enhancement’ which eliminates the. Drawmer DL 2-Channel Spectral Compressor. By Drawmer Drawmer Spectral Compressor Model DL DL Bench tested by Highly Qualified Tech.

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The unit should always be connected to the mains supply earth using this cable. When processing stereo signals, linking should be used to prevent image shifting. Both the input and output XLRs may be used either balanced or unbalanced, the wiring convention being: The Enhance control comes before the Peak Limiter in the signal side chain, therefore more Enhance can cause more Limiting.

This control sets an absolute limit that the output signal may not exceed. When we upgrade or purchase new gear. This control comes before the Peak limiter detector and will, as a consequence, influence the limiter action.

If the compressor is set up so that the gain reduction meter is, for example, reading 10dB during signal peaks, the signal-to-noise ratio during quiet passages or pauses will be degraded by 10dB. Other offers may also be available.

For mono use, each channel may be considered as being completely independent and set up accordingly. The DL also includes the newly developed Dynamic Spectral Enhancement system which is designed to compensate for the loss of transient detail that tends to occur during periods of heavy compression.

Compression will increase the subjective level of tape and other background noises during pauses and quiet passages because the maximum gain condition occurs when the input signal is at its lowest level. Because the compressor section offers a choice of traditional hard-knee, ratio style compression or soft-knee compression, it is equally adept at creative work and unobtrusive level control.

Conversely, by selecting a compression ratio of 1: Mouse over to Zoom – Click to enlarge. Effects created by lengthening the attack time are more pronounced when the DL is set for ‘Hard’ compression. However, the DL’s Dynamic Spectral Enhancement feature is designed to prevent the above side-effect by applying dynamic boost to a selective part of the audio spectrum during the period of compression.


Fibre or plastic washers may be used to prevent the front panel becoming marked by the mounting bolts. This may be set in the range 0. An item that has been used previously. The signal on the drawmwr set to dB will most likely control the stereo side chain all of the time.

Selecting the ‘Auto’ mode removes the need for manual adjustment and is particularly valuable when the programme being treated does not have predictable or consistent dynamics, such as on complete mixes, vocals or ‘slapped and pulled’ bass guitar. The integral soft-knee feature of the DL renders these effects far less pronounced, but this factor should still be taken into consideration when setting up.

A front panel push button with LED status enables the monitoring of any external processing applied to the side chain access connections on the rear panel. Adjustment ranges from 50mS to 5 Sec. For use with stereo signals such as complete mixes or submixes, the unit should be switched to Stereo Link mode and all setting up done using the left hand channel’s controls.

Using channel 1 Left as the master channel removes the need to duplicate control settings for both channels. This facility allows the user to listen to the side-chain signal. Lititz, Pennsylvania, United States.

In normal use, the release time should be set short enough so that the system gain has returned to normal before the next peak occurs and, in general, it should be set as short as possible before audible gain ‘pumping’ occurs. This switch configures the channels for processing stereo programme material where the left hand channel’s controls act as master for both audio channels.

Alternatively, set the Peak limiter Level to the desired value and then adjust the compressor Gain control to ensure minimum limiter activity. Image not available Photos not available for dp251 variation.

Drawmer DL Stereo Spectral Audio Compressor Limiter Enhancer | eBay

In the Average position, the compressor always works from an average of the two channel signals regardless of their relative levels. The most common use of this connection is to patch in some equalisation for ‘frequency sensitive’ compression, normally called de-essing. This point is unbalanced and would normally be connected to a normalised or semi-normalised pair of patchbay contacts. Learn More – opens in a new window or tab International shipping and import charges paid to Pitney Bowes Inc.


Using a number 1 size pozidrive screwdriver, remove the two self-tapping screws holding the voltage selection switch cover plate on the rear panel.

Alternatively, it may be deliberately driven into limiting to produce creative effects. The control lay-out follows that of a dramwer style unit, but when the soft-knee characteristic is switched in, the transition from unity gain to gain reduction at the selected ratio is progressive and occurs over a nominal 10dB input level range.

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Initial setting up is best accomplished with the peak limiter threshold set to maximum. See other items More Drawmrr not, select the appropriate operating level on the DL Contact the seller – opens in a new window or tab and request a shipping ddl251 to your location. Compression is often accused of dulling the sound being processed, and a little explanation is needed to understand exactly why that is. Sell now – Have one to sell?

Remove the cover plate and slide the switch fully to its opposite end.

Drawmer DL251 Stereo Spectral Audio Compressor Limiter Enhancer

Set the Gain control to give the required output level using the level meter to guide you. Select a valid country. Very generally, the ‘hard’ ratio setting provides the most positive drawner of controlling gain and is invariably the preferred choice if the compressor is to be used creatively.

If for some reason the unit is to darwmer used at a mains input operating voltage which is different to that as supplied, the following procedure must be carried out.

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