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Klein + Hummel M 50 Speaker
Versatility for a broad range of applications
Upon its introduction, the M 50 quickly became the reference
monitor of choice for many small studios and broadcast vans
around the world for several reasons. Where space is at a
premium, the M 50 offers the distinct advantage of being extremely
compact, taking up a volume of only 2.4 liters (4-3/4"
x 6-7/8" x 4-5/8"/ 120 x 173 x 116 mm). Yet it offers
a flat frequency response, making it ideal as either a control
monitor in live broadcast or as a mix monitor in the smaller
recording studio. The fact that this monitor can be powered
by a 12-volt battery opens up new application possibilities
in small broadcast vans or video editing stations. As a multimedia
monitor, the versatile M 50 is ideal for both permanent and
mobile applications.
Remarkable sound
The enclosure, which is constructed entirely of aluminium,
offers the maximum interior volume for its size, and inner
wall bracing adds a stiffness that eliminates resonant colorations.
These factors help the 4" (100 mm) high-performance broadband
driver deliver outstanding sound for an enclosure of this
size, with very low distortion and a frequency response that
is flat across the entire spectrum.
Practical features, professional connections
The volume knob is located on the front of the monitor for
quick and easy adjustment. If needed, the knob can be removed
to prevent unauthorized operation. The floating transformer-balanced
input (+6 dBu) offers a Common Mode Rejection ratio of over
50 dB. The M 50 is fitted with an XLR input jack for secure,
professional connections.
The M 50 is so lightweight that it can be mounted on a microphone
stand. The bottom panel includes a 3/8" threaded socket
expressly for this purpose. The monitor can be connected to
with the LH 11 table stand with adjustable side-mounted screws
that allow the M 50 to be tilted at any angle for optimal
monitoring. The power switch, mains connector, fuse holder,
and a pair of ½" blade terminals for battery operation
(12 - 14 volts) are all located on the rear panel.
Magnetic shielding
The speaker chassis is magnetically shielded so that placement
next to video monitors or hard-disk drives will pose no problem.
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| Details Klein +
Hummel M 50 |
| Free field frequency response |
|
90 Hz - 20 kHz, ± 5 dB |
| Self generated noise level
at 10 cm |
|
< 20 dB(A) |
| Max. SPL |
in half space at 3% THD in 1m |
100 dB/SPL |
| averaged between |
100 Hz and 6 kHz |
| Elektronics |
| Woofer amplifier, cont. output
power (THD < 0.1%) |
|
14 W |
| Woofer amplifier, peak output
power |
|
25 W |
| Controller design |
|
analog, active |
| Input, analog |
Impedance, bal. floating |
20 kW |
| Input sensitivity |
+ 6 dBu |
| Attenuator |
0 ... Infinite |
| CMRR |
> 50 dB @ 15 kHz |
| Control lights |
Power on |
LED red |
| Mains |
|
230 V AC;12-14V DC |
| Power consumption |
Idle |
2 VA; 90 mA |
| Full output AC; DC |
27 VA; 1,7 A |
| Mechanical Specs |
| Dimension |
Hight |
173 mm |
| Width |
120 mm |
| Depth |
160 mm |
| Net volume |
Internal |
1,8 liters |
| Weight |
|
2,6 kg (1,2 lb) |
| Drivers |
|
magnetically shielded |
| Woofer |
100 mm / 4" |
| Mounting points |
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3/8" thread on bottom |
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2 x M6 on sides |
| Mounting hardware |
|
LH 11, MA 19 |
| Cabinet surface |
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Painted finish |
| Color |
Standard |
charcoal grey |
| Special (add-on price) |
on request |
| Baffle cover |
|
metal grille, fixed |
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