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Dynacord CXM15
Coaxial floor monitor with optional FIR processing
T
he CXM 15 from Dynacord, a manufacturer
based in Straubing (Germany), is a 15"/1.4" box
with a wedge design. The cabinet has been
kept especially flat and compact so as to be as
unobtrusive and easy to position as possible
on stage. Despite the advent of in-ear monito-
ring, floor monitors are no relic of the past.
On grounds of cost alone and the relatively
time-consuming handling, in-ear monitoring
PRODUCTION
is often not possible, and a great many per-
formers and technicians in any case prefer
classical monitoring on stage – and for a wide
variety of reasons. The demands placed on
the loudspeakers used on stage are very high:
"unobtrusiveness" is of particular importance
if the set is to remain uncluttered and the
lines of sight of audience members (and
cameras) unobstructed.
PARTN ER
www.promedianews.de
From an acoustic standpoint, a consistent
directionality and a frequency response
free from narrow-band ridges are what is
required, the aim in each case being to
reduce susceptibility to feedback, as – along
with the polar pattern of the microphones
– the performance of the monitors plays a
leading role here. Depending upon the
application, further factors, such as the ade-
special reprint 12/09_01/10 production partner
1
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Related Manuals for Dynacord CXM15
Summary of Contents for Dynacord CXM15
- Page 1 Dynacord CXM15 Coaxial floor monitor with optional FIR processing he CXM 15 from Dynacord, a manufacturer is often not possible, and a great many per- From an acoustic standpoint, a consistent based in Straubing (Germany), is a 15"/1.4" box...
- Page 2 D y n a c o r d C X M 1 5 TEST quacy of sound pressure levels, are of grea- all, for the drum monitor, which can always front grille with its foam backing. The way ter or lesser importance. Since stage moni- be complemented, should the need arise, by the front grille is attached here, with very tors are usually operated at close range –...
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Page 3: Measured Values
For active mode – naturally via an audio output, which is especially passive crossover, the response when the for passive mode as well – Dynacord recom- practical when searching for errors. two paths are summed is linear. Between... -
Page 4: Maximum Spl
D y n a c o r d C X M 1 5 TEST reflects a small portion of the sound back into the horn, some interference between the waves flowing in and out is inevitable. In terms of sound, though, fine structures like these are hardly of such critical impor- tance as to justify dispensing with a grille –... - Page 5 Fig. 1: The frequency response and sensitivity of the CXM 15 (red) as Fig. 2: Phase response of the CXM 15 in passive mode well as the LF (green) and HF paths (blue) with passive crossover. Moved 10 dB upwards and shown in black: the frequency response without the grille Fig.
- Page 6 TEST Fig. 7: Vertical isobar curves of the 60° coaxial system. Discrepancies Fig. 8: Maximum level at 3 % (blue) and 10 % (red) THD along with between the horizontal and vertical curves are attributable to the the calculated curve (green) for the maximum supplied power of shape of the enclosure 900 W referenced to 4 ohms Fig.
- Page 7 Fig. 11: Phase response of the CXM 15 in passive mode without the Fig. 12: Frequency response of the CXM 15 in active mode with FIR fil- controller (green) as well as with the controller and IIR (blue) or FIR ters, with which a steep slope can be achieved filters (red).
- Page 8 Summ ar y achieves a linear phase whilst the IIR filter leaves the original curve of the box virtual- The CXM 15 from Dynacord is a coaxial ◊ Text and measurements: ly unchanged. Summing up, one can say...
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