MS-704 4-Channel Headset/Speaker Main Station

Panel Microphone Input

Input Type:

Electret

Input Impedance:

>=2KΩ

Mic Limiter Threshold:

0dBu ±3dB

Mic Limiter Range:

>= 20dB

Mic Limiter Range:

>= 20dB

Headset Microphone Input

Input Type:

Dynamic

Input Impedance:

>= 1KΩ

Mic Limiter Threshold:

0dBu ±3dB

Mic Limiter Range:

>= 17dB

Program Line Input

Maximum Level before Clipping:

>= 20dBu

Input Impedance:

>= 5KΩ

Headset Output

Load Impedance:

>= 8Ω

Output Impedance:

<= 25Ω

Output Limiter Threshold:

+5dBu ± 3dB

Distortion:

>= 17dBu

Speaker Output

Load Impedance:

>= 4Ω

1% Distortion:

20dBu ± 2dBu

Partyline Output

Off Noise:

< -74dBu

Output Impedance:

>10KΩ

Partyline Input

Crosstalk:

< -60dB

Max level before Clipping:

>= 12dBu

Sidetone Null Capability:

> 25dB

Stage Announce/Balanced Line Out

Type:

Balanced

Output Impedance:

>= 200Ω

Load Impedance:

>= 600Ω

IFB/Hot Mic

Type:

Unbalanced

Output Impedance:

150Ω

Load Impedance:

>= 600Ω

Frequency Response

Panel Mic - Partyline:

600 - 10KHz ± 3dB

Headset Mic - Partyline:

200 - 12KHz ± 3dB

Headset Mic - Line Out:

200 - 12KHz ± 3dB

Program Input - Partyline:

100 - 17KHz ± 3dB

Program Input - Headset Out:

200 - 10KHz ± 3dB

Program Input - Speaker Out:

300 - 10KHz ± 3dB

Partyline - Headset Out:

200 - 10KHz ± 3dB

Partyline - Speaker Out:

300 - 10KHz ± 3dB

Max Distortion

Panel Mic - Partyline:

<= 0.5%

Headset Mic - Partyline:

<= 0.5%

Headset Mic - Line Out:

<= 0.5%

Program Input - Partyline:

<= 0.2%

Program Input - Headset Out:

<= 0.2%

Program Input - Speaker Out:

<= 0.5%

Partyline - Headset Out:

<= 0.2%

Partyline - Speaker Out:

<= 0.5%

Noise

Panel Mic - Partyline:

< -65dBu

Headset Mic - Partyline:

< -70dBu

Headset Mic - Line Out:

< -55dBu

Program Input - Partyline:

< -85dBu

Program Input - Headset Out:

< -60dBu

Program Input - Speaker Out:

< -60dBu

Partyline - Headset Out:

< -50dBu

Partyline - Speaker Out:

< -50dBu

Max Gain

Panel Mic - Partyline:

>= 37dB

Headset Mic - Partyline:

41dB ± 2dB

Headset Mic - Hot Mic Out:

55dB ± 3dB

Headset Mic - Announce Out:

55dB ± 3dB

Program Input - Partyline:

>= -16dB

Program Input - Headset Out:

>= 18dB

Program Input - Speaker Out:

>= 24dB

Partyline - Headset Out:

>= 34dB

Partyline - Speaker Out:

>= 40dB

Min Gain

Panel Mic - Partyline:

<= 25dB

Mains Power

Input Voltage Range:

100 - 240 VAC

Input Frequency Range:

50 - 60 Hz

Input Power:

<= 60 VAC

Output Voltage:

30 VDC ± 0.5V

Output Current per Channel (Continuous):

1.2 A

Output Current per Channel (Peak):

2 A (Do not exceed the 1.2A rating for more than 2 seconds per 1 minute period)

Short Circuit Recovery Time (1st short):

<= 0.5 sec

Short Circuit Recovery Time >= 20 shorts in 20sec):

<= 20 sec

Station Capacity

Up to 40 RS-601 beltpacks or 10 speaker stations or 12 headset stations distributed over all channels

Rear Panel Connectors

Intercom:

XLR-3M (2 per channel)

Announce Out:

XLR-3M (audio)

Program:

(1) XLR-3F

Hot Mic / IFB Interface:

(1) 1/4 in. (0.64 cm) phone jack

Accessory:

(1) DB-15F

AC Power:

IEC 320 connector

Front Panel Connectors

Panel Mic:

(1) 1/4 in. (0.64 cm) panel mounting jack

Headset:

(1) XLR-4M

Dimensions

19 in. W x 3.5 in. H x 10.5 in. D (483 mm x 88 mm x 267 mm)

Weight

10.86lbs. (4.94 kg)