background image

User manual

Summary of Contents for NV73p

Page 1: ...User manual ...

Page 2: ... may be of sufficient magnitude to constitute a risk of electric shock WARNING TO PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the manual accompanying the appliance The equipment should be connected to a...

Page 3: ...t The preamplifier s signal output is transformer balanced as well All the preamp blocks work in class A We have taken a rigorous approach to both components and sound of the preamplifier The device is manually assembled from selected parts characterized by a narrow parameter tolerance The signal path has been reduced to its minimal length and the signal is guided through top class rotary switches...

Page 4: ...ging from 10 to 65 dB for microphone and Hi Z input 3 SIG signal presence indicator It works for both signal inputs MIC and HI Z The signal for this indicator is obtained from the output stage of the preamp after the output fader 4 Output fader Adjusts the output signal from the OUT socket 5 1200 300 input impedance switch It switches the input transformer winding changing the input impedance form...

Page 5: ...3 4 5 6 BACK PANNEL DESCRIPTION 5 Channel 1 output 6 Channel 1 input Rev C 1 DC power socket 2 Channel 2 output 3 Channel 3 input 4 Serial number A 6 wire DC power cord is supplied with the NV73p preamplifier ...

Page 6: ... NV73 The PSU has two output sockets and can power two preamps NV73pq or NV73p The PSU s design allows disconnecting signal ground from the ground to eliminate the ground loop during studio setup PSU s chasis is made of the same materials as the NV73pq preamp and harmonizes with its design PSU NV73 is sold separately ...

Page 7: ...IRCUIT 4 5 5 Ground terminal CHASSIS 6 6 Link POWER SUPLY UNIT Signal ground of the powered device is routed out the power supply through the black terminal 4 labeled CIRCUIT The mass is connected by link 6 with the green terminal CHASSIS 5 which is directly connected to ground In case of ground loops or hum the signal ground of the unit can be disconected by removing the link 6 connecting the two...

Page 8: ... sound The amplification of the microphone input is adjustable in the range of the 10 to 65 dB Such substantial gain is useful when working with classic ribbon microphones and recording sound effects for advertising or films All the whispers murmurs and other quiet sounds can be recorded without unnecessary noise and tedious editing We can achieve a psychoacoustic effect of sound concentration by ...

Page 9: ...o 65 dB in 5 dB increments Microphone input impedance 1200 300 ohm switchable from the front panel HI Z input impedance 1 Mohm Output impedance 75 ohm at 1 kHz Frequency response 20 Hz 20 kHz 0 5 dB 20 Hz 60 kHz 3 dB Distortion 0 07 at 1 kHz Maximum output level 26 dBu at 600 ohm load Rev C ...

Page 10: ...10 BLOCK DIAGRAM Rev C ...

Page 11: ...ty for the purchased equipment guaranteeing that it is void of any defects in material and workmanship The equipment has been tested before shipping In case of any problems please contact us via email at info soundscourge com or your local dealer Rev C ...

Page 12: ......

Reviews: