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302

Compact Production Mixer
User Guide and Technical Information

Sound Devices, LLC

E7556 State Rd. 23/33 • Reedsburg, WI • USA
+1 (608) 524-0625 • fax: +1 (608) 524-0655
Toll-Free: (800) 505-0625
www.sounddevices.com
[email protected]

Summary of Contents for 302

Page 1: ... Production Mixer User Guide and Technical Information Sound Devices LLC E7556 State Rd 23 33 Reedsburg WI USA 1 608 524 0625 fax 1 608 524 0655 Toll Free 800 505 0625 www sounddevices com support sounddevices com ...

Page 2: ...ng 19 Power Consumption 19 The Setup Menu 20 Entering the Setup Menu 20 Output Limiter Adjustment 21 Advanced Gain Structure and Interconnection 22 Full Scale Tone 22 Setup Menu v 3 6 23 Specifications 24 Accessories 26 CE Declaration of Conformity 27 Warranty andTechnical Support 28 Warranty 28 FCC Statement 28 Welcome The 302 is the essential portable mixer for production companies and camera op...

Page 3: ... OR OTHER SIMILAR AUDIO OR VIDEO DEFECTS ARISING FROM RELATED TO OR OTHERWISE ATTRIBUTABLE TO THE PRODUCTS OR THE END USER S USE OR OPERATION THEREOF REGARDLESS OF WHETHER SUCH DAMAGES ARE CLAIMED UNDER CONTRACT TORT OR ANY OTHER THEORY CONSEQUENTIAL DAMAGES FOR WHICH SOUND DEVICES SHALL NOT BE LIABLE SHALL INCLUDE WITH OUT LIMITATION LOST PROFITS PENALTIES DELAY DAMAGES LIQUIDATED DAMAGES AND OTH...

Page 4: ...such as microphone or a 10 dBu level adjust the master output level accordingly in the Setup Menu see Output Level Control 2 Turn on the 302 s tone oscillator Adjust the input sensitivity on the destination device so that the 302 output is at an average level with sufficient headroom to accommodate signal peaks For many digital cameras and recorders this is often a range between 20 and 12 dBFS as ...

Page 5: ...ED meter Calibrated in dBu when peak reading 8 Slate Mic Tone Switch Two position switch activates the slate microphone in the left momentary position or the tone oscillator in the right latched position Additional options are available in the Setup Menu 9 Pan Switch Assigns the input channel to the output bus Left only Center equal left and right or Right only 10 High Pass Filter Low Cut Three po...

Page 6: ...tch selects between internal battery power or external DC sources middle position is off Power LED illuminates when power is on LED flashes when voltage reaches low limit See Powering Input Panel Descriptions 1 2 3 4 5 1 XLR Inputs Transformer balanced channel inputs Pin 1 ground pin 2 hot pin 3 cold Can be unbalanced by grounding pin 3 to pin 1 of the XLR connector 2 Mic Line Channel Switch Selec...

Page 7: ...bus designed exclusively to link the Tape Out Mix Out of 302 442 MixPre or MP 2 to the 302 for additional inputs Pin 1 ground pin 2 left pin 3 right Shell of TA3 connector must be grounded to pin 1 to open connection 6 Channel 4 5 Activation LED When illuminated indicates that the return connector is now set as input 4 and 5 in the Setup Menu 7 Output Attenuation LED When illuminated indicates tha...

Page 8: ...aled by any other type of input for common mode noise rejection The inputs of the 302 can be used as balanced or unbalanced When unbalancing ground pin 3 to pin 1 of the XLR connector There is no change in gain between unbalanced and balanced connections into the 302 Mic Line Level Selection Selects the general input level for each input channel Switch between Mic Line levels using the switch adja...

Page 9: ... pin 3 T power can be selected for each input When using red dot T powered microphones reverse polarity T power use a polarity reversing adapter on the input otherwise damage to the microphone may occur Phantom and T powering are not interchangeable Use T powering only for T powered microphones The DYN dynamic position does not apply any voltage to the microphone input It is generally good practic...

Page 10: ... not be reached In the event of 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 the Input Limiters high signal conditions can overload the channel causing distortion Sound Devices recommends that the Input Limiters be engaged at all times Input Limiters do not effect audio below the set threshol...

Page 11: ...spatial placement mono compatibility and surround compatibility The 302 s MS matrix uses Input 1 for the Mid signal and Input 2 for the Side signal Input 2 s Fader controls the overall gain of the MS stereo pair Input 1 s Fader and both Input 1 and 2 s Pan switches are disabled Input 1 and 2 s Gain trim pots and High Pass Filters continue to act independently of each other The Gain control for Inp...

Page 12: ...where from a Line level 0 dB signal to low Mic level 56 dB signal See Setup Menu for adjustment Both the Left and Right XLR Outputs are adjusted simultaneously the Left and Right Outputs cannot be attenuated independently Attenuation is set from 0 to 16 dB in 2 dB increments and 40 to 56 dB in 2 dB increments The common attenuation levels of 10 dB Aux level 40 dB hot Mic level and 56 dB low Mic le...

Page 13: ...put Limiter can be set in one of two positions Link or LIM Link Stereo Operation When set in the link position the Output Limiters act identically on each left right output bus If one output causes the limiter to engage the other bus will follow suit This is useful when using the 302 in stereo operation output limiters will not affect the stereo image LIM Dual Mono When using each output bus separ...

Page 14: ...ht output bus ST Stereo monitoring of the master output bus This is the primary monitoring path RTN Stereo return from the RTN monitor input path M MS Monitoring of the mono signal of an MS stereo signal ST MS Monitoring of discrete MS signals in the headphones as a decoded stereo signal RTN MS Monitoring of discrete MS return signal in the headphones as decoded stereo signal Headphone Level and O...

Page 15: ... can be defeated altogether When engaged the 302 s Tone Oscillator attenuates the headphone output by 20 dB to protect the operator s ears This feature can be defeated in the Setup Menu Left Right Verification Pressing the Battery Check button when the tone oscillator is active sets the left output level to cycle between 0 and 20 dB This is helpful to verify proper left and right channel connectio...

Page 16: ...ormation its scale corresponds to VU units Unlike other analog mixers the 302 is calibrated with its 0 VU reference at 0 dBu not 4 dBu If you primarily interconnect with analog video cameras you may want to change the 0 VU reference to 4 dBu in the Setup Menu The 302 s scale is designed for digital recording devices providing maximum information between 30 dBu to 0 dBu which is where typical peaks...

Page 17: ... level and the average loudness of an audio signal Peak Hold and VU Identical to the Peak and VU combination setting with the exception that the peak level is held for 1500 ms Peak Hold is useful in applications when an overload condition is unacceptable or when program material must not exceed a prescribed threshold This allows for easy viewing of peak values that could otherwise go unnoticed Bal...

Page 18: ...d to link multiple 302 mixers or 302 and 442 mixers Sound Devices XL 3 accessory cable can be used to link a MixPre to the 302 for a five input system Link cables must be wired to short pin 1 to connector shell in order to open the Mix In connection Powering The 302 can be powered from either internal batteries or from external DC The power efficient 302 can operate from three AA alkaline batterie...

Page 19: ...on indicates battery voltages of internal and external power supplies on the output meter 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 The power meter is read from left to right with the highes...

Page 20: ... selected for the setup Use the PK VU button advance from one setup to another If the intended setup is passed setup mode must be re entered since you can only step forward through the Setup Menu To adjust values the meter brightness button down and the battery check button up allow selection among setup values Some setups have multiple values while others have only two values Setup Example The fo...

Page 21: ... dBu in 1 dB increments The threshold level is shown on the lower right meter string by illuminating LEDs Because LEDs are spaced every 4 dB a combination of flashing and solid adjacent LEDs indicate limiter levels between the numbered LEDs Factory default is 20 dBu Each press of the battery button or meter brightness control changes the threshold by 1 dB Three possible LED indications show threho...

Page 22: ... match Because most recorder s meter ballistics and scale are different it is impossible to make the 302 meter exactly match a given recorder s meter However this is irrelevant if the clip levels match Full Scale Tone The following information is intended for users with advanced knowledge of interconnection and gain structure To facilitate matching the clipping levels of the 302 s output to the re...

Page 23: ...U and Peak 0 VU 0 dBu 30 0 VU 4 dBu 26 0 VU 8 dBu 24 0 VU Peak 1 dBu 22 0 VU Peak 2 dBu 20 0 VU Peak 3 dBu 18 0 VU Peak 4 dBu 16 0 VU Peak 5 dBu 14 0 VU Peak 6 dBu 12 0 VU Peak 7 dBu 10 0 VU Peak 8 dBu 8 Selects VU and or Peak dBu reference level 6 Split Ear Monitor OFF 30 ON 26 Program Mix 24 Assigns summed mono RTN signal to left headphone output and R program to right headphone output Active in...

Page 24: ... 007 typical 1 kHz 4 dBu at Line out 0 009 max 50 Hz to 20 kHz 18 dBu at Line out fader fully up Input Clipping Level 0 dBu minimum trim control fully down Gain Matching 0 1 dB Mic In to Line Out Common Mode Rejection Ratio 120 dB minimum at 80 Hz mic input 100 dB minimum at 10 kHz mic input High Pass Filters Switchable 80 Hz or 160 Hz 12 dB oct Mic Powering each XLR selectable Dynamic no power ap...

Page 25: ...LR Output factory line setting 75 dB 35 dB 20 dB XLR Output attenuated 0 16 dB 2 dB steps 40 56 dB 2 dB steps 25 41 dB 2 dB steps Tape Output TA3 type 61 dB 21 dB 6 dB Headphones 1 4 in and 3 5 mm 95 dB 55 dB 30 dB Metering LED Metering 40 segment 2 x 20 sunlight viewable Selectable Peak VU or Peak with or without peak hold VU ballistics Environmental Operation and Storage Operating 20 C to 60 C 0...

Page 26: ... to store wallets keys and mobile phones handcrafted in China XL 1B TA3 F to TA3 F Interconnection cables for 302 to 302 and 302 to 442 linking 12 inch XL 3 3 5 mm to TA3 F link cable for MixPre MP 2 Tape Output to 302 Mix In 20 inch XL 4 Bag of four 4 TA3 F type connectors XL 7 TA3 F to 3 5 mm jack to connect unbalanced stereo TA3 tape out connection to unbalanced stereo 3 5 mm inputs 15 inch XL ...

Page 27: ...z CISPR 22 EN55022 2003 Radiated and conducted emissions Class B 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 k...

Page 28: ...usion 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 302 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 contac...

Page 29: ...302 User Guide and Technical Information 29 ...

Page 30: ...302 firmware revision 3 6 Printed in U S A ...

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