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| P4M Four
Channel Personal Monitor Mixer |
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Product Code: p4m
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The P4M is a highly versatile four-channel, two-bus
stereo mic/line mixer designed to optimize use of personal (in-ear)
monitors like the Shure PSM 400 in live performance. The P4M
features four balanced mic/line inputs, each with level and panning
controls. Corresponding XLR split outputs allow input signals to
pass through the unit unaffected, while providing an independent
mix. |
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| Features |
Personal Stereo Monitors
When coupled with personal monitors, the P4M allows performers the
ability to adjust personal mix levels onstage - even during a
performance - without affecting the front-of-house system. This
enables users to create and maintain consistent monitor mixes,
regardless of what the venue can provide for monitors. The P4M is
available individually for use with Shure PSM 600 and PSM 700
Personal Monitor Systems; or packaged with the PSM 400 Hardwired
and Wireless Performance Packs.
Installed Sound Systems
The P4M can also be used as a small "piggyback" mixer in
applications such as houses of worship, or courtrooms. The unit
acts as a console bypass when a permanent installation of a large,
operator-controlled mixing console may require just a few
microphones for smaller events. This allows the user easy access
and control of up to four signals without having to utilize the
larger console. Given its dual-bus output capabilities, the P4M can
also serve as a "two zone" mixer, routing any combination of mic or
line-level signals to two different zones.
More Than Four Inputs
The P4M has a pair of 1/4-inch auxiliary inputs that can be used to
add channels from other sources. For example, multiple P4M mixers
can be linked together to increase the number of inputs. In
addition, sources not present in the original mix - such as a click
track for live percussion - may be included via the auxiliary
inputs. |
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| Specifications |
- Measurement Conditions (unless
otherwise specified):
Full gain; 1 kHz, one channel activated; >source impedances: Mic
150 ohms, Aux Level 150 ohms; terminations: Line 600
ohms.
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Frequency
Response:
(Ref 1 kHz, controls centered) 20 Hz to 20 kHz +/- 2
dB
- Input
Specifications
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Input |
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1-4 (front
panel) |
Aux In |
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Gain (Maximum) |
43 dB |
0 dB |
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Impedance (at 1 kHz) |
5800 ohms |
18 kilohm (each)
9100 ohms (1/L mono) |
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Input Clipping Level |
+12 dBV |
+12 dBV |
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Crosstalk |
-100 dB |
-90 dB |
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Common Mode Rejection |
> 75 dB |
> 70 dB |
Output Specifications-
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Output |
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Split 1-4 |
Mix Out |
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Impedance |
N/A |
500 ohm (unbalanced)
1 kilohm (balanced |
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Output Clipping Level |
N/A |
+5 dBV (10 kilohm balanced
load, -30 dBV input ch. 1-4) |
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Noise (100 Hz to 22 kHz) |
-110 dBV |
-100 dBV (all controls CCW)
-62 dBV (all controls CW) |
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Distortion (THD) at 1 kHz |
.0005% |
<.05% (0 dBV output) |
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Crosstalk |
-100 dB |
-70 dB |
- LEDs: Resultant Mix
Out Level:
- Green: -30 dBV
- Yellow: -10 dBV
- Red: 0 dBV
- Current:
120 mA max.
- Power
Requirements:
- Operating voltage 14- 18 Vdc
- Supplied with one of the following external power supplies:
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Model PS40: 120 Vac, 60 Hz input
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Model PS40E, Model PS40UK: 230 Vac, 50/60 Hz input
- NOTE: Courtesy DC connector is protected from short by a self
resetting "Polyfuse". Maximum recommended load is 250mA. (2 P4Ms or
1 P4T.)
- Phantom
Power:
The P4M does not produce phantom power, but phantom power is
allowed to pass through Split Outputs 1- 4 to inputs 1- 4
respectively.
- Audio
Polarity:
- All outputs in polarity with all inputs.
- XLR Pin 2 is "hot" with respect to Pin 3; Pin 1 is ground.
- 1/4" TRS tip is "hot" with respect to ring; sleeve is
ground.
- Temperature
Range:
Operating: -7 degrees to 49 degrees C (20 degrees to 120 degrees
F)Storage: -29 degrees to 74 degrees C (-20 degrees to 165 degrees
F)
- Overall
Dimensions:
44 mm H x 218 mm W x 162 mm D (1.72 x 8.60 x 6.37
inches)
- Net
Weight:
1.20 Kg (2 lbs, 10 oz)
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