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Summary of Contents for Neve Portico 5012
- Page 2 However here are some reminders: The Portico 5012 dissipates about 35 watts, which means that it will get warm in use. The heat generated is radiated through the case work and by convection through the ventilation holes.
- Page 3 FEATURE LIST 5012 Duo Mic Pre - Front Panel SILK Reduces negative feedback and adjusts the frequency spectrum to provide a very sweet High Pass Filter and musical performance. Bypass / Engage +48V Phantom Power For appropriate microphones Level Meter Warning! Mute output prior to -30 dBu to +22 dBu engaging/disengaging Phantom power...
- Page 4 5012 DUO MIC PRE The PORTICO Series The new RND “Portico” modular preamplifiers and analogue audio processors constitute a range of building blocks that may be used independently or in combination to provide key elements that were traditionally included in large format Sound Control Consoles.
- Page 5 5012 DUO MIC PRE High Pass Filter The High pass filter is a valuable aid in any signal chain but particularly so in a microphone preamplifier. Signals between 20 and 250 Hz can be attenuated, leaving the range above this unaffected.
- Page 6 5012 DUO MIC PRE SPECIFYING THE NOISE PERFORMANCE OF THE RND 5012 Noise: is specified in 3 ways: With Gain at Unity Better than –100 dBu With Gain at 66 dB Better than –62 dBu Equivalent Input Noise Better than –128 dBu Decibels are used to express relationships and to make comparisons.
- Page 7 5012 DUO MIC PRE There are two ways to provide more information about the noise performance of a microphone amplifier: THERMAL V MEASURED NOISE The difference is NOISE FACTOR -118 -120 -122 -124 -126 -128 -130 -132 -134 -136 -138 -140 -142 -144...
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Page 8: Dynamic Range
5012 DUO MIC PRE DYNAMIC RANGE Traditionally, high quality microphones such as ribbons, had very low source impedances – as low as 30 ohms at the output of a ribbon matching transformer. Moving coil microphones were higher but had not been standardized as they are today. Condenser microphones, before the days of semiconductors, used tube head amplifiers that were coupled to the outgoing line with a transformer. - Page 9 SPECIFICATIONS Frequency Response: Main Output, no load, –0.2 dB @ 10 Hz –3 dB @ 160 kHz Buss Output measured at the 5014 Monitor Buss-mix Amplifier Output –0.2 dB @ 10 Hz –3 dB @ 160 kHz Noise: Measured at Main Output, unweighted, 22Hz-22kHz, Terminated 150 Ohms.
- Page 10 BLOCK DIAGRAM...
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Page 11: Limitations And Exclusions
PRODUCT WARRANTY Rupert Neve Designs warrants this product to be free from defects in materials and workmanship for a period of one (1) year from date of purchase, and agrees to remedy any defect identified within such one year period by, at our option, repairing or replacing the product.
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