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Grace LUNATEC V2, Owner'S Manual

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OWNERS MANUAL

LUNATEC V2

MICROPHONE PREAMPLIFIER

PO Box 204 Boulder, CO.  80306

voice: 303.443.7454

fax: 303.444.4634

email: [email protected]

Revision A   December, 1998

© Copyright 1998, Lunatec LLC

Summary of Contents for LUNATEC V2

Page 1: ...OWNERS MANUAL LUNATEC V2 MICROPHONE PREAMPLIFIER PO Box 204 Boulder CO 80306 voice 303 443 7454 fax 303 444 4634 email info gracedesign com Revision A December 1998 Copyright 1998 Lunatec LLC ...

Page 2: ...ring this time the circuit technology embedded in the Lunatec V2 has evolved through a process of extensive listening testing and refinement Regardless of what audio sources you plan to record the Lunatec V2 will faithfully serve as an invisible link between your microphone and recorder device We hope it helps you achieve a new level of excellence in your audio recordings FEATURES OF THE LUNATEC V...

Page 3: ...witch to select two different low cut corner frequencies and an OFF position Position 1 is the higher cutoff frequency and Position 2 is the lower cutoff frequency Internal jumpers allow for selection of either 6dB octave or 12dB octave slope The cutoff two frequencies can be set at 50Hz 100Hz or 75Hz 125Hz Selecting HPF switch position 1 sets the roll off to the higher frequency while switch posi...

Page 4: ...equired and pin 3 should be left open See figure 2 below The XLR and the RCA outputs can be used simultaneously 1 2 3 SHIELD HOT GND OPEN Figure 2 UNBALANCED OUTPUT CABLE TERMINATION POWER SUPPLY CONNECTIONS A four pin XLR connector is used for the DC power input of the V2 The V2 can be ordered to operate from either 6 or 12 Volt power sources Pins 1 and 2 are ground and pins 3 and 4 are either 6 ...

Page 5: ...g during recording It should be noted that the maximum output level of the preamplifier is reduced by the amount of output attenuation being used For instance if the trim is set to 6dB the maximum output level of the preamplifier will drop from 26dBu to 20dBu Since the LED peak indicator monitors signal level before the trim control it will always monitor the actual preamplifier headroom regardles...

Page 6: ...er voltage but the total power consumption will be twice as high for the 12V system Also it is normal for a 12Volt V2 to run warm to the touch JUMPER SETTINGS In addition to the front panel controls the Lunatec V2 has several options that can be selected with internal jumpers Before making any changes to the internal jumpers always disconnect any power source from the V2 switch both 48 switches to...

Page 7: ...7 Figure 3 Circuit Board Jumper Locations SN V054 and below Figure 4 Circuit Board Jumper Locations SN V055 and above ...

Page 8: ...5dBu out 0025 NOISE REFERRED TO INPUT 60dB gain 50 Ohm source 130dB PHASE DEVIATION 50 20Khz 8 CROSSTALK Either Channel 109dB CMRR 60dB gain 3 5Vcm 1KHz 80dB 60dB gain 3 5Vcm 10KHz 97dB Output CMRR 60dB MAXIMUM OUTPUT LEVEL Balanced 27dB Unbalanced 21dBu IMPEDANCE Input 1600Ohms Output 150Ohms Minimum Load Impedance 600Ohms WEIGHT 2 4lbs 1 1kg DIMENSIONS L5 5 x W8 3 x H1 6 POWER CONSUMPTION 500mA ...

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