Requisite Audio Engineering L2M MKIII M/S VERSION Скачать руководство пользователя страница 1

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T H E L 2 M M K I I I M / S V E R S I O N

Optical Leveling Amplifier

By Requisite Audio Engineering

OPERATOR’S MANUAL

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Содержание L2M MKIII M/S VERSION

Страница 1: ...2M MKIII M S VERSION Optical Leveling Amplifier By Requisite Audio Engineering OPERATOR S MANUAL 2175 Goodyear Ave Suite 110 San BuenaVentura California 93003 telephone 818 437 0779 www requisiteAudio...

Страница 2: ...ottom rows 4 IN BYPASS 4 IN BYPASS OPERATIONAL NOTE 4 OUTPUT LEVEL 4 OUTPUT LEVEL OPERATIONAL NOTE 4 OUTPUT LEVEL CALIBRATION PROCEDURE 4 FRONT PANEL CONTROLS continued 5 LIMITER FEEDBACK 5 LIMITER FE...

Страница 3: ...NT PANEL CALIBRATION POINTS 9 ZERO ADJ 9 ZERO ADJUST OPERATIONAL NOTE 9 GR TRACK 9 GR TRACK CALIBRATION PROCEDURE 9 FRONT PANEL CALIBRATION POINTS continued 10 VU ADJ 10 VU ADJ CALIBRATION PROCEDURE 1...

Страница 4: ...TPUTS 13 LIMITER LINK 13 TUBE CHANNEL 13 TUBE PLACEMENT and FUNCTION left to right 13 AUDIO INPUTS 13 OUTBOARD POWER SUPPLIES 14 POWER SUPPLIES 14 POWER ON 14 POWER CABLE 14 VOLTAGE SELECT 14 FUSE 14...

Страница 5: ...sents what a truly refined optical limiter can be Among the more notable performance features of the L2M are it s sonic excellence ver satility and stable frequency response while limiting program mat...

Страница 6: ...l shipment Here s what to do if the shipment has been damaged Leave the product its packing materials and box as is Notify the carrier s local office and request an immediate inspection of the shipmen...

Страница 7: ...MENTAL CONSIDERATIONS This and all electronic equipment require adequate ventilation and a dry environment for safe operation and long component life If proper ventilation from behind the unit is prov...

Страница 8: ...hange in volume This can be confirmed by injecting a 1 kHz tone and ob serving an outboard DMM or other suitable meter The L2M is shipped with UNITY calibrated to within 1dB Each channel is calibrated...

Страница 9: ...on the output level of the audio which is why it is done in calibrated 1dB increments on the L2M Because of this proper setting of make up gain is the combined settings for OUTPUT LEVEL and LIMITER F...

Страница 10: ...ed smoothing of mid and high frequencies above 1 kHz and a tight and punchy bass response LIMITER RESPONSE OPERATIONAL NOTE For uniform limiter initiation and response in MONO or LINK mode both channe...

Страница 11: ...right is right L R At the 12 o clock position both left and right are in center mono At it s fully clockwise position the image is flipped left is on the right and right is on the left R L The side co...

Страница 12: ...ame ters In other words when processing stereo material be sure to adjust the controls of both channels to identical settings In link mode a single PEAK REDUCTION knob can initiate gain reduction in b...

Страница 13: ...ak reduction activity Set PEAK REDUCTION LIMITER RESPONSE fully counterclockwise Set OUTPUT LEVEL LIMITER FEEDBACK STEREO LEVEL RIDE to UNITY Set RATIO to 3 1 and IN BYPASS to IN Determine that ZERO A...

Страница 14: ...across pins 2 3 of the OUTPUT XLR Set IN BYPASS to IN Select 10 on the METER SELECT and observe if the VU METER reads 0dB Adjust as necessary 4dBu is factory set to follow the 10dBu calibration After...

Страница 15: ...REDUCTION Increase PEAK REDUCTION both channels until the VU METER drops to 4dB on both channels Using METER SELECT set to GR to see if both meters read 5dBu The additional 1dB is to compensate for me...

Страница 16: ...T and observe that both VU METERs read 0dB Select MONO on PK REDUCTION meter mode select Set PEAK REDUCTION both channels to the 12 o clock position Raise the STEREO ADJ trimmer on each channel until...

Страница 17: ...ng phase Pin 3 negative going phase LIMITER LINK Top for Channel 1 Bottom for Channel 2 Both become linked to each other when PK REDUC TION mode switch is set to LINK TUBE CHANNEL Protective housing f...

Страница 18: ...cable to the jack on the L2M mainframe If powering only one L2M unit with a supply having extra cables be sure the unused cable s is rolled up and fastened to the supply with a cover over the unused e...

Страница 19: ...ies except as listed above TUBES OPTOS and LIGHT BULBS are not covered by this warranty but receive a 90 day warranty REQUISITE AUDIO SHALL NOT BE LIABLE FOR PROPERTY DAMAGE OR ANY OTHER INCIDENTAL OR...