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Mixer & Pre Amplifier

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Mixer & Pre Amplifier Rear Panel MB-2S02

Stereo Mixer Pre-amplifier MB-2S02

Features 2 balanced mic inputs by XLR type, phantom power & gain control is separately provided 4 unbalanced line inputs by XLR type, gain control is separately provided ★ Stereo balanced line outputs by XLR type ★ Alarm input & REC unbalanced output ★ Input priority level from high to low: Alarm input, Mic1/Mic2 & Line 1-4 inputs ★ Bass/treble tone control and volume control for Mic1, Mic2 & source ★ Master volume control separately for both left and right channel ★ 5 output level meters separately for left and right channel ★ ★

Specifications Model

MB-2S02

Input

MIC 1-2: 5mV/600Ω, balanced MIC 1-2: 350mV/10KΩ, balanced LINE 1, 2, 3, 4: 350mV/10KΩ, unbalanced 1V/600Ω 20Hz-20KHz( ± 1dB) Mic input: 65dB; Line input: 85dB Bass: ± 10dB at 100Hz Treble: ± 10dB at 10KHz +48V AC fuse ~110V/60Hz or ~230V/50Hz 484 × 300 × 44mm 3.9Kg

Output Frequency Response S/N Ratio Tone Phantom Power Protection Power Supply Dimensions Weight

Connections

MB-531MIC 2

Stereo Mixer Pre-amplifier MB-2S02

MB-531MIC 1

MB-2221 MB-2S120 MB-2221

35


Mixer & Pre Amplifier MB-2S01 Features

2 CH Mixer Pre-amplifier MB-2S01

2 channel mixer of 10 inputs Remote paging console MB-319 as mic 1 with highest input priority ★ Mic 2-4 with VOX selector over inputs 5-10 and phantom power ★ All the 10 inputs with mic, line and high pass filtering selector ★ Inputs 6-10 either by XLR mic inputs or by dual RCA line inputs ★ Dual channel XLR line outputs ★ All inputs include inputs1-10, PTT1 (remote paging console MB-319), chime could be selected to have channel1, channel 2 and channel 1+2 outputs ★ Built-in 2/4 tone pre-set chime, remote chime trigger and local trigger on front panel ★ Volume controls are provided over chime, PTT1, inputs 2-10, channel 1 and channel 2 // masters. Bass and treble tone control are provided for both channel 1 and channel 2 ★ Indicators for input 1-10, power and 2 channel level meters ★ AC 110 or 230V and DC 24V operation ★ ★

Remote Paging Microphone MB-319

MB-319 Descriptions MB-319 is remote paging console with mixer MB-2S01, whose communication distance up to 1kms. The paging console could be power supplied by the mixer within 50 meters, while extra DC 24V power supply is needed when distance is longer than 50 meters. This mic inputs with highest priority over all other inputs.

MB-319 Features Highest input priority Condenser microphone type ★ 2 tone Pre-announcement chime ★ Talk and chime trigger functional buttons ★ 10 segment LED amplifier output level meters ★ Mic volume is provided ★ Extra DC power supply is needed when communication distance is more than 50 meters ★ ★

Specifications Model

MB-2S01

INPUT SENSITIVITY/IMPEDANCE MIC/Line -50dBu(2.45mV)/5KΩbalanced; Line RCA In OUTPUT LEVEL/IMPEDANCE Master 1, 2 REC FREQUENCY RESPONSE Less Than S/N RATIO MIC Line THD MIC Line CROSS TALK MIC Line Power Consumption Power Power Supply Dimensions(WxHxD) Weight

36

-10dBu(245mV)/5KΩbalanced -10dBu(245mV)/5KΩunbalanced Nor+4dBu/200Ωbalanced Nor 0dBu/10KΩunbalanced 0.5dB(20Hz~20KHz) More than 60dB More than 75dB Less than 0.05% Less than 0.03% More than 60dB More than 75dB 13W ~110V/60Hz or ~230V/50Hz & DC 24V 484 × 44 × 265mm 3.9Kg

Model

MB-319

Output Level/impedance MIC Input Sensitivity/Impedance Frequency Response THD S/N Ratio MIC Type Polar Pattern Frequency Response Impedance Sensitivity (0dB=1V/0/.1Paat 1KHz) S/N Ratio GENERAL Power Supply Weight Dimensions (W×H×D)

0dB(unit gain)/600ohms, balanced -50dB/600, bal ohms 50Hz~18KHz, -3dB Less than 0.1% Better than 65dB Condenser Microphone Unidirectional 100Hz~16KHz Max 680 -47dB±3dB More than 60dB DC 24V (used by D-Sub connector) 960g (Without Microphone) 199 × 128 × 44mm


Mixer & Pre Amplifier

Rear Panel MB-2S01

Rear Panel MB-319

Connections

37


Mixer & Pre Amplifier MB-1S01 Descriptions

Pre-amplifier MB-1S01

The MB-1S01 is a public address pre-amplifier with five balanced MIC inputs, three AUX level inputs and one EMC(priority) level inputs. Priority muting is achieved via MIC 1 and EMC 1 for overriding music for paging and emergency alarms. Individual gain controls are provided for MIC and AUX inputs, bass and treble controls are provided for overall tone control.

Features 5-channel MIC input and 3-channel Aux input With 1-channel EMC input ★ Independent volume control, MASTER volume control ★ With compulsive insert and Priority function ★ MIC balance input interface with phantom power ★ Individual Gain controls for MIC ★ EMC1 has priority over all inputs except MIC1 ★ Bass and Treble Tone Controls ★ AC 110V or 230V and DC 24V operation ★ ★

Remote Paging Microphone MB-319

Optional ★ ★

DC 24V power supply Panel with/without handhold

MB-319 Descriptions MB-319 is remote control microphone to work with MB-1S01, pre-amplifier for remote control. Features of 1kms remote distance control and remote paging and priority over other inputs.

Features Announcements by microphone Unobtrusive and easy to use condenser type microphone which is highly sensitive and reproduces high clarity speech ★ Pre-announcement chime A two tone chime is incorporated for pre-announcement purposes. It is initiated by pressing the chime switch ★ LED output level indication The ten segment LED barograph display indicates the instantaneous signal output level of the amplifier. ★

Optional ★

Panel with/without handhold

Specifications Model

MB-1S01

Model

MB-319

Inputs

MIC 1, 2, 3, 4, 5: 5mV 600Ω balanced AUX 1, 2, 3: 10KΩ200mV unbalanced 600Ω1V 0dBV 20Hz-20KHz( ± 1dB) MIC input: 80dB AUX input: 85dB Bass: ± 10dB at 100Hz Treble: ± 10dB at 10KHz +48V AC fuse ~110V/60Hz or ~230V/50Hz & DC 24V 484 × 370 × 44mm 8Kg

Output Level/impedance MIC Input Sensitivity/Impedance Frequency Response THD S/N Ratio MIC Type Polar Pattern Frequency Response

0dB(unit gain)/600Ωbalanced -50dB/600Ωbalanced 50Hz~18KHz, -3dB Less than 0.1% Better than 65dB

Impedance Sensitivity(0dB=1V/0/.1Paat 1KHz) S/N Ratio GENERAL Power Supply Weight Dimensions(WxHxD)

Max 680Ω - 47dB ± 3dB More than 60dB

Output Frequency Response S/N Ratio Tone Phantom Power Protection Power Supply Dimensions Weight

38

Condenser Microphone Unidirectional 100Hz~16KHz

DC 24V 960g (Without Microphone) 199 × 128 × 44mm


Mixer & Pre Amplifier

Rear Panel MB-1S01 P.T.T.1 input (for remote paging console MB-319)

Phone jack Mic 1-3 input

Gain control for Mic 4

Gain control for Mic 3

Aux1-3 input

Gain control for Mic 2

XLR Mic 1-4 inputs

Gain control for Mic 1

EMC input

XLR line output

REC output

AC power socket

DC 24V input

48V phantom power for Mic 1-4

Rear Panel MB-319 DC 24V power input

DC power switch

Mic volume P.T.T.1 communication port with MB-2S01

Connections

MB-6227S/6228S/6229S BGM-AM-FM/CD/MP3

MB-6350/6500/6650 Power Amplifier MIC 4

MIC 3

MIC 2

MIC 1

Pre-amplifier MB-1S01

MB-6350/6500/6650 Power Amplifier

MB-319 Microphone

MIC 3

MIC 2

MIC 1 MB-6203S Emergency Panel

39


Mixer & Pre Amplifier 6 Zone Mixer Pre-amplifier MB-6245

Remote Zone Paging Mic MB-328

MB-6245 Features

MB-328 Descriptions

Mixer with 6 zone speaker selector for source selection and zone control ★ Build-in mic and recorder for easy voice message recording and storage ★ 3 audio sources direct selection on front panels ★ 6 zone selection buttons on front panel ★ 6 zone paging console work together with the mixer through RJ45 port for remote control and announcement ★ Mic input by XLR type with phantom power and gain control ★ 3 aux inputs for tape, CD and tuner ★ Built-in chime, whose remote trigger and volume is provided ★ 3 voice messages broadcast in continuous and once modes ★ 3 channel pre outputs: music, music/page and page ★ 6 zone line outputs for power amplifier ★ Volume control is provided for mic, music, mater, record and message broadcast, plus bass and treble tone control ★ Indications include zone selector, source selector, record state, power and output level meters ★ 4 levels of priority from high to low: remote paging console, Mic1, chime, pre-recorded message broadcast ★

MB-6245 Optional Panel with/without handhold

The MB-328 remote paging console works together with MB-6245 mixer for remote control and announcement. Its 6 zone selectors provide a direct control interface for use to easily control and zone paging. The alarm button will automatically activate the pre-recorded message 3 over other aux inputs. It could be power supplied by the mixer within 50 meters, while extra DC 24V power supply is needed when distance is more. The 2 RJ45 communication ports is used to communicate with the mixer and next paging console. Dipswitch could be distinguished by the mixer makes 6 paging consoles work simultaneously possible.

MB-328 Features Zone selection Push the switch for one zone or all zone and the zone led turn on Announcement After selecting the zone where to make the announcement, then keep pushing the talk button till the led turn on, the internal chime will be heard, after that, the user could proceed with the announcement. If the zone selected is already taken by another connected paging console, the talk led starts blinking which means line is busy ★ Pre-recorded message 3 remote trigger After selecting the zones, push the alarm button to activate the pre-recorded voice message 3 broadcasting. Based on the setting of continuous and once play modes from MB-6245, the accordingly activity will be taken ★ Priority The remote paging announcement with priority over mic1, chime and pre recorded message broadcasting ★ Pre-recorded messages Three different voice messages could be recorded and stored in the mixer, while each message's broadcasting time max is 3 minutes ★ Capacity of 6 paging console working at the same time ★ ★

Specifications MODEL

MB-6245

MB-328

CONSOLE INPUT Sensitivity S/N Ratio Frequency Response 1 MICROPHONE INPUT Sensitivity S/N Ratio Frequency Response Phantom Power 3 AUXILIARY INPUTS Tuner and Tape Input Sensitivity/Impedance CD Input Sensitivity/Impedance S/N Ratio Frequency Response CONTROL Bass Treble Chime Normal Distortion OPERATING CONDITION Power Supply Dimensions Weight Max number of paging console

40

-50/-2dB 2, 5/500mV >68dB 50Hz~17KHz(+1, -3dB) -50/-2dB 2, 5/500mV >68dB 50Hz~17KHz(+1, -3dB) 48V

-50/-2dB 2, 5/500mV 68dB 100Hz~17KHz(+1, -3dB) 12V

200mV/47Ω 500mV/47Ω >90dB 40Hz~20KHz(+1, -3dB) ± 12dB at 100Hz ± 12dB at 10KHz 2 tone active for contact free in priority and BGM >0,1%

± 12dB at 100Hz ± 12dB at 10KHz 2 tone active for contact free in priority and BGM >0,1%

~110V/60Hz or ~230V/50Hz & DC 24V 484 × 301 × 88mm 6.58Kg 6

DC 24V 200 × 120 × 55mm 0.96Kg 6


Mixer & Pre Amplifier

Rear Panel MB-6245 Relay music zone COM input

Open relay zone contact input

Remote chime trigger Chime volume 48V phantom power for mic Message broadcast volume Page output Message record volume Alarm/Normal status selector Music output Alarm modes Page/music mix output (once/continuous) selector Pre-record message Zone relay outputs selector (3rd/2nd/1st/off)

Zone 1-6 speaker terminals Dry contact play message 1 or 2

Rear Panel MB-328

Mic input Tuner input Remote paging CD input console volume Tape input Remote paging console input

Connections 6 Zones Mixer Pre-amplifier MB-6245

MB-328

CD Player

Power Amplifier Zone 6 MB-328

Remote Zone Paging Mic MB -328

Power Amplifier Zone 5 MB-328 Power Amplifier Zone 4 MB-328

Power Amplifier Zone 3

MB-328

Power Amplifier Zone 2 Power Amplifier

MB-328

Zone 1

41


Mixer & Pre Amplifier MB-6240 Descriptions Multi-Channel Mixer Pre-amplifier MB-6240

The MB-6240 is a public address pre-amplifier with eight line level inputs, one unbalanced MIC input and two EMC(priority) level inputs. Each of the eight input channels can be selected via front panel push buttons for use with the MIC input, in this way the MB-6240 can be used to page individual channel. Priority muting is achieved via EMC1-2 inputs for overriding other inputs except Mic1. Individual gain controls are provided for each channel and MIC inputs.

MB-6240 Features 8 unbalanced line/Mic inputs by phone jack 8 unbalanced line outputs ★ One Mic input with VOX priority ★ Two EMC priority inputs ★ EMC1 has priority over all inputs (Except MIC 1) ★ 2U rack-mount chassis ★ ★

MB-6240B Descriptions

Pre-amplifier (XLR MIC+Phantom Power) MB-6240B

The MB-6240B is covers all features of MB-6240, while the differences are the 8 channel inputs, 8 channel outputs and 2 EMC inputs all are in balanced XLR type.

MB-6240B Features 8 balanced line/Mic inputs by XLR type 8 balanced line outputs by XLR type ★ One Mic input with VOX priority ★ Two EMC priority inputs by XLR type ★ EMC1 has priority over all inputs (Except MIC 1) ★ 2U rack-mount chassis ★ ★

MB-6240B Optional ★

Panel with/without handhold

Specifications MODEL Input

42

MB-6240

MB-6240B

MIC: 70mV/600Ω, unbalanced

MIC: 5mV/600Ω, balanced

CH1-CH8: 350mV/10KΩ, unbalanced

CH1~CH8: 350mV/15KΩ, balanced

EMC: 1.2V/10KΩ, unbalanced

EMC(1~2): 350mV/15KΩ, balanced

Output

1V, 600Ω

1V, 600 Ω /balanced

Frequency Response

50Hz~18KHz( ± 2dB)

20Hz~20KHz( ± 2dB)

S/N Ratio

MIC: 66dB; LINE: 80dB

85dB

THD

0.01%

0.01%

Crosstalk

MIC: 80dB; LINE: 85dB

MIC: 80dB; LINE 85dB; MIC 1 priority

Muting Function

EMC1, 2 overrides other input signals exception MIC1 With 0-30dB attenuation

EMC1, 2 overrides other input signals(exception MIC 1) With 0-30dB attenuation

Controls

LINE, MIC votume controls, channel selectors, power switch

LINE, MIC controls, channel selectors, power switch

Indicators Protection

Power LED, MIC channel LEDs AC fuse: 1A

Power LED, MIC channel LEDs AC fuse: 1A

Power Supply

~110V/60Hz or ~230V/50Hz

~110V/60Hz or ~230V/50Hz

Power Consumption

35W

35W

Weight

4.6Kg

4.7Kg

Dimensions

484 × 350 × 88mm

484 × 361 × 88mm

Finish

Panel: aluminum plate, balck Case: steel plate, black

Panel: aluminum plate, balck Case: steel plate, black


Mixer & Pre Amplifier Line outputs 1-8

AC fuse

Rear Panel MB-6240

EMC input 1-2

AC power socket

Mic/Line Inputs 1-8

48V phantom power switch

XLR Line outputs 1-8

AC fuse

XLR Mic/Line inputs 1-8

AC power socket

Rear Panel MB-6240B

XLR EMC inputs 1-2

Connections MB-6227S/6228S/6229S BGM-AM-FM/CD/MP3

MB-6227S/6228S/6229S BGM-AM-FM/CD/MP3

Multi-Channel Mixer Pre-amplifier MB-6240

MB-6203S Emergency Panel

Power Amplifier

Power Amplifier

Pre-amplifier (XLR MIC+Phantom Power) MB-6240B

MB-6221S CD Player

MB-6203S Emergency Panel

MB-6221S CD Player

Alarm Signals Input MIC

Alarm Wire

Audio Wire

Rvv Wire

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Mixer & Pre Amplifier 34

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