SIEM-111 System

The SIEM-111 System features reliable JTS UHF PLL technology.

• There are 961 selectable UHF channels available. As many as 16 sets of SIEM-111T transmitters can operate on the same stage.
• The system offers 4 groups, with each group having 16 compatible preset channels to choose from. This allows the monitor engineer to set up systems quickly and easily.
• MPX Stereo Audio Transmission / Reception, switchable to Mono operation if desired.
• All metal case construction on the SIEM 111R and SIEM 111T.
• The JTS advanced circuitry assures outstanding signal-to-noise ratio.
• IE-1 and IE-6 earphones seal off the ear canal with JTS designed Dyna-Driver ear buds which reduce undesired stage noise, ambient sound levels.
• 3 pairs of different sized Silicon sleeves included with the IE series earphones ensure a right fit for the users ear canal and comfort.

includes

• SIEM111-T transmitter 
• SIEM-111R beltpack receiver 
• IE-1 earphones, stereo system

SPECIFICATIONS

Carrier Frequency Range

• 638-662MHz

RF Output Power

• 10 mW

Nominal Frequency Deviation (modulation)

• ±40KHz

Audio Input Impedance

• 20kΩ 

Nominal Input Level

• -10 dBV ; 0 dBV (ATT-10 dBV) 

Maximal Input Level

• 10 dBV ; 20 dBV (ATT-10 dBV) 

LCD Display

• AF Level, Stereo/Mono, Attenuation Level, Group, Channel, Frequency

Audio Input Connector

• 2 x Balanced XLR /Ø6.3mm phone Combo Socket

Audio Output Connector

• 1 x 1/8” Stereo Phone Jack
• 1 x 1/4” Stereo Phone Jack

Loop Out Connector

• 2 x Balanced Loop Out Socket

Switching Power Supply

• 100-240V Switching power supply

SIEM-111R

Input Level Select Switch

• 0dB / -10dB

Earphone Output.

• 60 mW

Minimum Load Impedance

• 16Ω

LCD Display

• RF Level, Lock-On, Battery Fuel Gauge, Stereo/Mono, HF booster, Dynamic Limiter, Group, Channel, Mute, Frequency

Output Connector

• 1/8” Stereo Phone Jack

Power Supply

• 2 AA batteries

Operation Hour.

• Over 12 hours