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25

Power

Power supply (batteries)  

Internal ±16 V (bi-polar) regulated audio rails, 3.2-8 V range internal batteries

Power supply (external)

Isolated (floating) external DC input jack, 5-18 V 
Locking 4-pin Hirose connector, pin-4 = (+), pin-1 = (-), 
Use gold Hirose #HR10A-7P-4P (DigiKey# HR110-ND) or silver Hirose #HR10-7P-4P (DigiKey# 
HR100-ND) for locking mating DC connector. 

Environmental 

Operation and Storage 

Operating: -20°C to 60°C, 0 to 95% relative humidity; (non-condensing) 
Storage: -40°C to 85°C  

Other 

Tone Oscillator  

Frequency: Setup Menu selectable 100 Hz, 400 Hz, 1000 Hz
Output Level: Variable output from -20 to +8 dBu  

Dimensions and Weight 

Size 

53 mm x 165 mm x 279 mm (H x W x D) 
2.1” x 6.5 x 11"

Weight 

unpackaged: 2.0 kg, (4 lbs 5 oz.) with four AA batteries 

Summary of Contents for 442

Page 1: ...Devices LLC Sound Devices LLC 300 Wengel Drive Reedsburg WI 53959 USA Voice 1 608 524 0625 Fax 1 608 524 0655 www sounddevices com 442 Field Mixer User Guide and Technical Information for 442 and 442 Nordic Field Mixers ...

Page 2: ...backside front cover ...

Page 3: ...Outputs 12 Tape Outputs Mix Output 12 Mono Mic Output 12 Output Limiter 12 LINK vs ON 13 Mix Input linking mixers 13 Metering 14 Meter Ballistics 14 Ballistics Lock 14 Headphone Peak LED 15 Headphone Monitoring 15 Headphone Source Selection 15 Headphone Gain 15 Return A and B 15 Powering 16 Internal Powering 16 External Powering 16 Power Metering 16 Power Consumption 16 Tone Oscillator Slate Micro...

Page 4: ...uts and outputs including direct outputs on each channel make the 442 at home in small run and gun applications as well as large multiple input productions The 442 incorporates a complete feature set into a compact functional design With no hidden controls the 442 s parameters are accessible from the three main surfaces The highly efficient circuitry allows the mixer to be powered by either four i...

Page 5: ...o the 0 unity position 8 Adjust the Channel Gain trim control to the required level 9 Verify that signal is present on the Output Meter Output Connection 1 Connect the outputs of the 442 to the inputs of the receiving device 2 Select the output type MIC 10 or LINE level 3 Verify that the receiving device is getting signal Headphone Monitoring 1 Connect headphones to the either one of the headphone...

Page 6: ...g If the LED illuminates gain is set too high 7 Input Limiter LED Illuminates orange when the Input Limiter is active LED intensity signifies amount of limiting If significant limiting occurs reduce the level of the Gain Trim 8 Output Meter 40 segment output meter For Peak setting the markings indicate output level at line level in dBu For VU setting markings indicate Volume Units See Appendix A f...

Page 7: ...ed evenly across the Stereo Outputs 18 Master Gain Controls the overall signal level of the Left and Right Outputs 19 Monitor Selection Switch Selects the signal source in headphone monitor Options include Off Left Output bus Right Output bus Mono summed left and right STereo master Return A Return B Return A in the left Return B in the right headphone monitor MS Left MS Right MS stereo 20 Headpho...

Page 8: ... Mic and Line levels Pin 1 Ground pin 2 Hot pin 3 Cold Unbalance by floating pin 3 3 Phantom DYNamic T Power Selects the microphone powering type of the associated channel NOTE Use T Powering ony for T Powered microphones 4 Mic Line Channel Switch Selects the input level of its associated input connector 5 Phantom Voltage Selection Selects either 48V or 12V phantom voltage for the input channels 6...

Page 9: ...pin 3 to pin 1 of the XLR connector 6 Battery Compartment Holds four AA batteries required for internal powering Accepts Alkaline Lithium or NiHM rechargeable cells 7 Headphone Outputs 1 4 inch and 3 5 mm stereo connectors drive headphones from 8 2000 ohm impedances to required monitoring levels 8 Return B Inputs Unbalanced stereo TA3 type or 3 5 mm input connectors for Return B audio TA3 pin 1 Gr...

Page 10: ...ctions into the 442 Mic Line Level Selection The Mic Line switch is used to select the input level of the respective channel The 442 has up to 84 dB of available gain from mic input to line output When in the LINE position the input channel sensitivity is reduced by 40 dB Gain trim Like traditional mixing consoles the 442 s input sensitivity is set with the Gain trim potentiometer With the Channel...

Page 11: ... energy from audio signals Wind noise is a common unwanted low frequency signal that can be reduced with the use of a high pass filter For most audio applications engaging the high pass filter is beneficial because audio information below 100 Hz is rarely used especially for speech reproduction The 442 s high pass filter circuit features an adjustable corner 3 dB frequency over a range from 80 240...

Page 12: ... extremely high input signal levels such as in high SPL environments the Input Limiter s will activate to prevent the input signal from clipping Without Input Limiters high signal conditions can overload the channel causing distortion Sound Devices recommends that the Input limiters be engaged at all times The Input Limiter does not effect audio below the set threshold just below clipping in any w...

Page 13: ...ory Default the left meter indicates the signal level of the soloed channel PFL monitoring does not disrupt audio sent to the master outputs PFL metering can be deactivated in the Setup Menu Outputs The 442 is a two bus mixer with several outputs this is essential for multi camera multi source productions Because each input can be continuously panned from left to right the mixer can be used with e...

Page 14: ...any devices connected to these will have no effect on the master outputs Mono Mic Output The Mono Mic Output is a sum of the left and right output channels The 3 5 mm female connector outputs a mono mic level signal intended for connection with portable transcription recorders and wireless IFB transmitters Output Limiter When the Input and Output Limiters are engaged it is nearly impossible to cli...

Page 15: ...n 442s are linked together all eight input channels will be present at the receiving mixer s 442 B stereo outputs The MIX IN connector is an unbalanced TA3M wired pin 1 Ground pin 2 Left pin 3 Right The shell of the TA3 connector must be grounded to pin 1 to open the connection To Link two 442s together 1 Connect the TAPE OUT MIX OUT of 442 A to the MIX IN of 442 B with a TA3F to TA3F cable Sound ...

Page 16: ...l signal level in dBu the 442 VU meter is referenced with 0 VU corresponding to 0 dBu at the Line Level outputs If needed the reference level can be changed in the Setup Menu to 4 or 8 dBu Peak Peak reading ballistics correspond to actual signal peaks but don t necessarily correspond to perceived signal loudness The peak meter has an instantaneous attack and a slow decay to allow the user to visua...

Page 17: ...to both ears M summed mono left and right to both ears ST stereo left output to left ear and right output to right ear A stereo Return A to headphones B stereo Return B to headphones A B Return A summed to left ear and Return B summed to right ear MS L decoded MS Left to both ears MS R decoded MS Right to both ears MS ST decoded MS Stereo to headphones Headphone Gain Headphone gain is controlled b...

Page 18: ...cates battery voltages of internal and external power supplies The left meter shows the internal battery voltage and the right meter shows the external battery voltage Since many different battery types are available for external use the external DC metering can be customized for a given battery in the Setup Menu Power Consumption The 442 can vary in the amount of current it draws Several function...

Page 19: ...to verify left vs right output Turn off the tone oscillator or press the battery check button again to stop the output cycling Slate Microphone The slate microphone is used to notate scenes at the mixer location Its audio performance is not suitable for critical recording applications it should only be used for documenting scenes to tape The slate mic uses the momentary switch position In the Setu...

Page 20: ...thers have only two values Example Change the Tone Oscillator Frequency from the factory default 1 kHz to 100 Hz 1 Enter the setup menu by holding down the PK VU button while powering the mixer 2 Press the PK VU button repeatedly until the left meter LED is at the 8 position see Setup Menu 3 To move among parameter values press the brightness LED and battery check LED until the 100 Hz position is ...

Page 21: ...e 442 Nordic 442N is identical to the 442 except for its Nordic scale PPM meter Setup Menus The Setup Menus vary slightly between the 442 and the 442N To set the limiter threshold level an additional LED is illuminated for calculation To find the limiter threshold value consult the chart below Example Change the Limiter Threshold from the factory default of 20 dBu to 14 dBu 1 Enter the Setup Menu ...

Page 22: ... OFF 2 6 Monitor In Metering Selects indication of monitor in signal level on the output meter post monitor gain control when the monitor toggle is activated 30 30 OFF 20 24 ON 4 4 VU Reference Level Selects 0 VU to dBu reference 30 30 0 VU 0 dBu 20 24 0 VU 4 dBu 14 22 0 VU 8 dBu 12 20 0 VU Peak 1 dBu 10 18 0 VU Peak 2 dBu 8 16 0 VU Peak 3 dBu 6 14 0 VU Peak 4 dBu 4 12 0 VU Peak 5 dBu 2 10 0 VU Pe...

Page 23: ... Selects whether PFL level is indicated on the output meter 30 30 ON 20 24 OFF 2 6 Monitor In Metering Selects indication of monitor in signal level on the output meter post monitor gain control when the monitor toggle is activated 30 30 OFF 20 24 ON 4 4 VU Reference Level Selects 0 VU to dBu reference 30 30 0 dBu 20 24 4 dBu 14 22 8 dBu 6 2 Split Ear Monitor A Changes monitoring to hear program a...

Page 24: ...te toggle switch is activated 30 ON 20 OFF 2 Comm Mic Function Allows return A B toggle to be defeated and be reassigned to send slate mic signal to right TA3 output when toggled 30 OFF 20 ON 0 PFL Level to Meter Selects whether PFL level is indicated on the output meter 30 OFF 20 ON 2 Monitor In Metering Selects indication of monitor in signal level on the output meter post monitor gain control w...

Page 25: ...ced for use with 2k ohm outputs RTN A B 3 5 mm TA3 Multi pin Unbalanced stereo for use with 2k ohm outputs Mix In Unbalanced stereo for use with 442 Mix Out 1 8k ohm output Input Impedance ohms actual XLR Mic 2k ohms XLR Line 16k ohms RTN A B 3 5 mm TA3 Multi pin 20k ohms Mix In 4 2k ohms Input Clipping Level 0 dBu minimum trim control fully down Maximum Input Level XLR Mic 0 dBu 0 78 Vrms XLR Lin...

Page 26: ...at 10 setting 150 ohms at Mic setting TA3 Balanced Outs 1k ohms at Mic and Line settings TA3 Direct Outs 1k ohms at Mic and Line settings Tape Outs 3 5 mm and TA3 type 1 8k ohms Mono Mic Out 150 ohms Headphones 3 5 mm and 1 4 200 ohms Line Output Clipping Level 1 THD 20 dBu minimum 18 dBu minimum w 600 ohm load Maximum Output Level Line XLR Multipin TA3 Balanced and Direct Outs 20 dBu 7 8 Vrms 10 ...

Page 27: ...R110 ND or silver Hirose HR10 7P 4P DigiKey HR100 ND for locking mating DC connector Environmental Operation and Storage Operating 20 C to 60 C 0 to 95 relative humidity non condensing Storage 40 C to 85 C Other Tone Oscillator Frequency Setup Menu selectable 100 Hz 400 Hz 1000 Hz Output Level Variable output from 20 to 8 dBu Dimensions and Weight Size 53 mm x 165 mm x 279 mm H x W x D 2 1 x 6 5 x...

Page 28: ...442 442N User Guide and Technical Information 26 v 5 07 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Block Diagram Inputs and Outputs ...

Page 29: ... Diagram Monitoring Multi Pin Camera Pin Outs 1 10 2 3 4 5 6 7 8 9 1 L output 2 L output 3 R output 4 R output 5 R return A 6 n c 7 L return A 8 n c 9 ground 10 ground Mates with Hirose RM15TPD 10P 71 connector ...

Page 30: ...P 4P to mate with locking 4 pin DC power jack XL K1 Knob accessory kit for 442 Replaces the fader knobs with visual and tactile position indicating knobs Kit of four 2 black 2 gray Includes colored inserts 442 specific XL NPH NP type battery cup with 24 inch cable with Hirose 4 pin locking power jack at equipment end XL WPH3 AC to DC Power Supply in line 100 240V 50 60 Hz input 12 VDC 3 75 A 45 W ...

Page 31: ...ity 50 Hz to 10 kHz EN61000 4 2 2001 IEC61000 4 2 2001 ESD 4 kV contact 8 kV air discharge EN61000 4 3 2001 IEC1000 4 3 2001 Radiated RF immunity 10 V m 80 1 kHz amplitude modulation EN61000 4 4 2001 IEC61000 4 4 2001 AC power ports EFT Burst I O lines 0 25 kV to 1 0 kV power line 0 5 kB 1 kV EN61000 4 4 2001 IEC61000 4 4 2001 EFT Burst I O lines 0 25 kV to 1 0 kV power line 0 5 kB 1 kV EN61000 4 ...

Page 32: ...clusion or limitations set forth above they may not apply in all cases For all service including warranty repair please contact Sound Devices for an RMA number and send the 442 along with proof of purchase date to Sound Devices LLC Service Repair RMA XXXX 300 Wengel Drive Reedsburg WI 53959 USA Technical Support Bug Reports For technical support and bug reporting on all Sound Devices products cont...

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Page 34: ...442 firmware rev 5 07 Printed in U S A ...

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