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move the microphone up inside the rubber holder. The fit will be firm, so you 

will need to apply a little pressure to move the microphone body up into the 
rubber holder. The suggested procedure is illustrated in Figure 3.

 

Mounting the RM1 RimMount to the Drum

The RM1 RimMount is designed for metal drum rims, and will not work on 
wooden drum rims. While reading this section, please refer to Figure 4-A, 
which shows the various elements of the RimMount™. Mounting the Rim-
Mount to the drum rim is quite easy.  First, unscrew the thumbscrew so there 
is more than enough space for the Delrin® cushioned rim-guide to clear the 
bottom of the drum rim. Then determine where on the drum rim you want to 
position the microphone and then place the top “hook portion” of the Rim-
Mount bracket over the top edge of the drum rim. Referring to Figure 4-B, 
notice that on the Delrin® cushioned rim-guide there are two sets of grooves. 
One set of grooves is in the “center” of the rim-guide, while the other set of 

7

Soft Polyolefin® Coated

Metal Bracket

Rubber

Holder

Delrin®

Cushioned Rim-guide

Hook Portion

of Bracket

Thumbscrew

Figure 4-A.  Elements of the RM1 RimMount™

Figure 3. Inserting the Drum Periscope™ Mic into the RimMount™

8

grooves are “off center” (or closer to the edge of the rim-guide). These two 
sets of grooves provide you with “three” mounting options: (1) using the “off 
center” rim-guide grooves will place it closest to the drum shell, (2) or rotat-
ing the “off center” grooves 180 degrees will place the rim-guide furtherest 
away from the drum shell, and (3) the “center” grooves will allow placement 
in-between the positions described in 1 and 2.

The various types of metal drum rims may have the bottom flange of the 
rim either closer to the shell or further from the shell. Depending upon the 
type of metal drum rim, one of the previously described three positions will 
allow the RimMount bracket to be mounted parallel to the drum shell. The 
soft protective Polyolefin® coating on the RimMount bracket will prevent the 
possibility of scratching the drum shell finish. So position the rim-guide so 
the bottom edge “flange” of the drum rim fits comfortably into one of the rim-
guide grooves. This will insure that the cushioned rim-guide remains securely 
in place as you tighten the thumbscrew to firmly secure the RimMount to the 
drum rim. 

Adjusting the Microphone Height

Once the RimMount is mounted securely on the drum rim with the Drum Peri-
scope microphone housed in the rubber holder, the microphone body can be 
moved either up or down in the rubber holder to provide the desired height. 
Then the mini-gooseneck will provide a good amount of latitude in positioning 
the microphone head from any pre-set microphone body height.  Adjusting 
the height of the Drum Periscope microphone body is shown in Figure 5-A 
and 5-B.

Positioning the Microphone Head

Once the Drum Periscope microphone height has been set, you can position 
the microphone head. The microphone head should never placed “parallel” to 

Figure 4-B  Positioning the Cushioned Rim-guide

Offset Groove

Positioned

on Left

Offset Groove

Positioned

on Right

1

2

Centered

Grooves

3

Summary of Contents for DP30C

Page 1: ...ic input 145dB SPL Output XLR PIN 2 Minimum output load 600 balanced between pins 2 3 Noise 22dB SPL A weighted Dimensions L x D Weight 30Hz to 30kHz 2dB 1 10 75 x 860 inches 275mm x 22mm 22lb 100g Ma...

Page 2: ......

Page 3: ...eamplifier to see if it will accommodate signal levels this high Some mix ers and preamps will not handle levels this high at the microphone input To prevent overload please use an Earthworks LP1530 L...

Page 4: ...gure 2 A LevelPad inserted at the microphone base Figure 2 B LevelPad inserted in the microphone cable for live performance The DP30 C Drum Periscope Microphones will provide you with years of excepti...

Page 5: ...High Definition Microphones for overheads and kickdrum with exceptional results They then wanted the same exceptional sound qual ity from their snare and tom mics With the introduction of the DP30 C...

Page 6: ...a large room with high ambient sound as it will reduce the amount of unwanted room sound and for 5 Plug in the LevelPad if Necessary In close miking drums one should keep in mind that the peak sound l...

Page 7: ...nventional microphone the one in front of the mic sounds great but the two on the sides have a dramatic loss of quality These drastic changes in high frequency response on the sides of the microphone...

Page 8: ...80 degrees will place the rim guide furtherest away from the drum shell and 3 the center grooves will allow placement in between the positions described in 1 and 2 The various types of metal drum rims...

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