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SPECIFICATIONS 

 

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 Inputs

 

Microphone: four transformerless XLR female 
Sensitivity: –75 dBu 
Maximum input level: –20 dBu 
Microphone power: 48 V, 12 V, T (DIN AB) 
Line attenuation: adds 60 dB attenuation before the mic preamp. 
Signal to Noise ratio: > 65 dB, Equivalent Input Noise: –125 dBu 
Frequency response: 20 Hz - 20 kHz ±2 dB 
Harmonic distortion: less than 0.2 % 
Low-cut filter: 100 Hz / 14 dB octave 
Crosstalk isolation, channel to channel: < –65 dB 

 

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 Outputs

 

Line: transformer balanced XLR 
Line level on 600 

  0 dB on the modulometer: 

0 dBu 

 

4 on the 1–7 scaling:  

0 dBu 

 

0 Vu on the VU scaling: 

 +4 dBu 

Unbalanced line and monitor returns 
Maximum output level: +18 dBu 

 

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 Internal power: 12 AA size rechargeable batteries 

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 External power: 11–25 Vdc 

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 Power consumption: 90 mA 

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 Dimensions: 255 × 165 × 65 mm (10 × 6.5 × 2.6 in) 

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 Weight: 2 kg (4.2 lbs) 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

ELECTRONIC COMPONENTS 

Kaptárko u. 11. 

tel.: +36 1 2466549 

Budapest H-1118 

fax: +36 1 2480194 

HUNGARY  

e-mail: [email protected] 

www.twelco.hu 

Summary of Contents for LP4 STXi

Page 1: ...LP4 STXi USER MANUAL TW LP4 STXi Location Production stereo microphone mixer is a compact portable four channel unit designed for electronic news gathering ENG quality sound mixing in a motion pictur...

Page 2: ...ase error due to wiring or mic placement Phantom on off switch The current consumption of the phantom power supply is 13 mA Phantom power supply may be switched off only if using dynamic wireless of T...

Page 3: ...can be controlled by the Master control Slate microphone It can be used either for identifying recorded segments or as an emergency field microphone Low cut filter switches Low frequency attenuation...

Page 4: ...eturn pin 3 RIGHT output pin 5 RIGHT return Line mic level switch The line level at XLR and Hirose connectors can be attenuated by 50 dB to provide the microphone level 3 5 mm stereo monitor input jac...

Page 5: ...Left balanced output Then adjust TRIMM1 in the Left Modulometer amplifier board to obtain 0 dB on the Left meter Cut off the input signal and switch on the Reference Generator Adjust TRIMRG to obtain...

Page 6: ...T ATT PRE MIC SWITCH PAN PAN L PAN R SLATE MIC L R MASTER LIMITER L LIMITER R METER DRIVER LINE L LINE R ATT ATT HIROSE XLR R OUT XLR5 UNBAL OUT XLR L OUT 10 3 5 JACK RTN 1 2 HI LO RTN 1 2 EE MONITOR...

Page 7: ...Hz 14 dB octave Crosstalk isolation channel to channel 65 dB Outputs Line transformer balanced XLR Line level on 600 0 dB on the modulometer 0 dBu 4 on the 1 7 scaling 0 dBu 0 Vu on the VU scaling 4...

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