The input has a 10K? Non-reactive input resistance that handles a full 22dBu signal without the need for a pad.
The preamp is a TLA non-reactive design that precludes the loading of microphones with limited driving capability. A primary gain control provides 66dB of gain in 6dB increments for easy recall, with a +/- 6dB trim for fine adjustment. For condenser microphones and powered DIs, there is +48V phantom power. A transient-optimized HPF continuously covering the range from 20-250Hz is included to tame rumble and proximity effect.Texture One of the key developments in the 511 is the Red Silk / Texture control from the Portico II Channel. Building on the "Silk" mode found in the Portico Series mic preamplifiers, Texture is designed to adjust the actual amount of harmonic music content from the source material, in effect, providing wide range of tonal options for the preamplifier. Rupert Neve's vintage designs. With the 511, the Texture control allows these techniques to be pushed further than previous designs, adding about 10 times the desirable THD of the original silk control at the maximum setting. With that said, we have taken great care to ensure that the musical integrity of source material itself will not be compromised by these harmonic controls (these are not to be confused with controls from other manufactures that may "incinerate, " "demolish" or "destroy" source material), and we believe they can be confidently modified to fit the personality of any song, instrument or engineer. Low Noise, Low Distortion Operation Much care was given in designing the 511 to produce as little noise and non-harmonic distortion as possible. Carefully implemented signal paths and Class A operation are a large part of the 511's sweet, whisper quiet performance.
A complete discussion on transformers is out of place at this point, but it is helpful to review some of the essentials where it will be seen that a design needs to be viewed as a whole, not simply from the point of view of a single component. The fine subtleties of circuit design relating to sonic performance are gradually becoming more clearly understood.
For example, research has shown conclusively that frequencies above 20 kHz affect the way in which humans perceive sound quality. But, long before scientific evidence emerged a substantial body of musicians and engineers knew that equipment with apparently the same technical measurements could sound very different. Incredibly small amounts of musically dissonant odd harmonics have a disastrous effect on the sound quality.
Extraneous noise or interference that finds its way into a signal path seriously impairs performance of the whole chain. Many control rooms make use of outboard gear that is not well protected from external signals.
Poor grounding of such equipment can be a serious problem. "Electronically balanced" circuits much used in modern equipment, can give very good measurements on the test bench but they do not provide adequate rejection of the stray fields found in every working environment.
Input and output circuits must be freed from ground dependence so that only the "wanted" signal enters and leaves the processing path. Transformers are the ideal solution. The sweet and silky sound of my classic old favorite consoles was achieved with big transistors and large high quality transformers.
Rupert Neve Designs Portico modules achieve similar quality today without the bulk or the cost. In order that modules can work together as would be expected i. In a proprietary console configuration without producing hum, R. Interference, or other interactions, the connecting interfaces, grounding, levels and impedances must receive careful attention. Each Portico module is a complete integral signal processor that delivers its specified performance independently.
This is one of the reasons we use transformers. Since 1993, we have been committed to equipping our customers with the very best gear, advice, and personal service anywhere. We believe that great sound can be achieved at any budget.We also believe that the ambitions of our customers should always come first. And over the years, those beliefs have turned customers into friends and family. Whether you're just starting out, or a seasoned pro, we're here for you, no matter where your audio travels may take you. The item "Rupert Neve Designs Portico 511 500 Series Mic Preamp" is in sale since Tuesday, June 12, 2018. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Preamps & Channel Strips". The seller is "vintagekingaudio" and is located in Ferndale, Michigan. This item can be shipped worldwide.