JTS PMM-4 User manual

PMM-4
Personal Monitoring Mixer
INPUTS
4 CHANNEL-Personal Monitor Mixer
PMM-4

PMM-4
ATTENTION
Please pay high attention to the following information.
!
The guideline published by Occupational Safety Health Administration (OSHA) in United States indicates
overload volume level for prolonged listening may harm your hearing. Here below are referenced data on
maximum time exposure to sound level before hearing injury occurs.
Sound Level(dB) Duration per day(hrs)
90............................................................8
92............................................................6
95............................................................4
97............................................................3
100..........................................................2
102..........................................................1.5
105..........................................................1
110..........................................................0.5
115..........................................................0.25
140..........................................................Avoid or injury may occur

Thanks for choosing JTS PMM-4 Personal Monitoring Mixer. In order to obtain the best efficiency, you
are recommended to read this manual before applying.
PMM-4
TABLE OF CONTENTS
1. Important Cautions
2. Features
3. Specification
4. Parts Identification
5. Preparing Procedures
6. Basic Operation
1
1
2
3
3
4

PMM-4
P.1
1IMPORTANT CAUTIONS
▲Make all connections before power on the device.
▲Do not leave the device in a place neither with high temperature nor high humility.
▲Do not handle the power cord with wet hands.
▲Keep the device away from fire and heat sources.
2FEATURES
This multi purpose stereo mic/line mixer is designed for installed sound system application and personal
monitoring. Four input signals can be easily controlled. Two addional auxiliary inputs and four outputs
are provided for expanding capabilities.
Applications
▲Personal Monitor Mixing
▲Courtrooms
▲Restaurants
▲House of Worship
▲Aerobics/Health Club

PMM-4
P.2
Output Level (L/R): LED:-20 / -5 / 0 / CLIP (+6) / CLIP-PAN
Power Requirement: Adaptor: +12VDC/600mA(No Load: +17~+20V)
Power Consumption: 12 Watts
Fuse: 250 mA
Dimension (m/m): 205(D)*212(W)*43.5(H)
Net Weight: 1.41kg
3SPECIFICATION
Electronic Specification-Input Inputs(CH.1~CH.4) Aux Inputs
Connector XLR and 1/4Ójack 1/4Ójack
Impedance 5.9KΩ18.2 KΩ (MONO:9.1 KΩ)
Input level(Max) +7.5dB +7.9dB
(Main Mix Output:+13.5dB)
CMRR >70dB >70dB
Electronic Specification-Output Main Mix Output Split Outputs(CH.1~CH.4)
Connector 1/4Ójack XLR
Impedance 1KΩ(Balanced); N/A
500Ω(Unbalanced)
Output level(Max) 6.5dB±0.3dB (INPUT CH1~4) N/A
Noise N/A <-110dB
Distortion N/A <0.005%
Crosstalk N/A <-105dB
System Specifications Main Mix Output (Input Ch1~4) Main Mix Output (Aux Input)
Frequency response 22Hz to 22 KHz±3dB 22Hz to 22 KHz±3dB
Distortion <0.025% <0.006%
Noise <-61dB (Four input levels all turn N/A
to Max.)

PMM-4
P.3
12VDC
600mA
1. Plug in one end of AC/DC adaptor cable to DC socket on the rear panel of PMM-4. And plug the other end into an AC outlet.
2. Connect the main mix outputs to the audio input of the next device.
3. Connect up to four audio sources into the input sockets on the front panel.
*CAUTION: When connecting instruments to a mixing console through the PMM-4, connect the instrument to the direct box
then connect the direct box to the PMM-4 input connector.
4PARTS IDENTIFICATION
5PREPARING PROCEDURE
CH1 CH2 CH3 CH4
CH1 CH2 CH3 CH4
PWR
LEVEL
PAN
L R L R L R L R
INPUTS
L
4 CHANNEL-Personal Monitor Mixer
R
PMM-4
DC INPUT
AC/PC ADAPTOR
To Audio Input of next device
Front Panel
1 Level Knob
2 Pan Knob
3 Power On LED Indicator
4 Output Level Indicator
5 Inputs (CH.1~CH.4)
Rear Panel
1 Split Outputs (CH.1~CH.4)
2 Main Mix Outputs (Left/Right)
3 AUX Inputs (Left/Right)
4 Power On/Off Switch
5 12V/600mA DC Socket
CH1 CH2 CH3 CH4
CH1 CH2 CH3 CH4
PWR
LEVEL
PAN
L R L R L R L
CLIP-PAN
(+6)
CLIP
R
0
-5
-20
INPUTS
L
4 CHANNEL-Personal Monitor Mixer
R
PMM-4
OUTPUT LEVEL
CH1CH2CH3CH4
MAIN MIX OUTPUT
LEFT RIGHT
AUX INPUT
LEFT
(MONO)
RIGHT
OFFON
POWER
SPLIT OUTPUTS
1
2
3
4 5
1 2 43
5
CH1CH2CH3CH4
MAIN MIX OUTPUT
LEFT RIGHT
AUX INPUT
LEFT
(MONO)
RIGHT
OFFON
POWER
SPLIT OUTPUTS
STEP 1
STEP 2
STEP 3
Direct Box
Rear Panel Frant Panel
12VDC
600mA
SIEM-101T
In Ear Nonitoring System

PMM-4
P.4
Power On/ Off
Turn on or turn off the unit by pressing the ÏPOWERÓ
switch on the rear panel.
When powered on, LED indicator on the front panel
(PWR) will ON in blue light.
Volume Control
Input Level: Adjust the input level by rotating the level
knob clockwise and reversely.
Pan: Adjust the relative volume of left and right
channels.
Output Level
Observe the LED indicator of output level. Decrease
the input level if the LED indicator is RED.
AUX Input
Two supplementary auxiliary inputs are offered for
other audio sources. The signals are not affected by the
Level/Pan knobs.
Split Output
Use the split outputs to shift the signal through PMM-4.
The signals are not affected by the Level/Pan knobs.
6BASIC OPERATION
PMM-4
INPUTS
PMM-4
Rack Mounting the PMM-4
RM-901 rack mount kit is available to install the half rack PMM-4 into a standard EIA rack.
CH1 CH2 CH3 CH4
CH1 CH2 CH3 CH4
PWR
LEVEL
PAN
L R L R L R L R
INPUTS
L
4 CHANNEL-Personal Monitor Mixer
R
PMM-4
CH1 CH2 CH3 CH4
CH1 CH2 CH3 CH4
PWR
LEVEL
PAN
L R L R L R L R
INPUTS
L
4 CHANNEL-Personal Monitor Mixer
R
PMM-4
CH1 CH2 CH3 CH4
CH1 CH2 CH3 CH4
PWR
LEVEL
PAN
L R L R L R L R
INPUTS
L
4 CHANNEL-Personal Monitor Mixer
R
PMM-4
CH1CH2CH3CH4
MAIN MIX OUTPUT
LEFT RIGHT
AUX INPUT
LEFT
(MONO)
RIGHT
OFFON
POWER
SPLIT OUTPUTS
CH1 CH2
PWR
LEVEL
PAN
L R L R
PWR
LEVEL & PAN
OUTPUT LEVEL
AUX INPUT
SPLIT OUTPUT
CH1CH2CH3CH4
MAIN MIX OUTPUT
LEFT RIGHT
AUX INPUT
LEFT
(MONO)
RIGHT
OFFON
POWER
SPLIT OUTPUTS
12VDC
600mA
12VDC
600mA

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59508-009-01