U70F 2‐channel Peak Programme Meter (PPM).
The name is an homage to the first PPM meter called U70, a tube based system developed and manufactured in Germany in the early 50s. The Fredenstein U70F is the LED Peak-Program-Meter with simultaneous RMS indication. Each channel uses 60 LEDs for an impressive detailed display.
There are two ranges: -39 to +20dB at 1 dB resolution or -19.5dB to +10dB at 0.5dB resolution. There is also a switchable peak hold function with 2.5 second or indefinite hold (manual reset). There are also 4 dot and bar display modes that make sense visually. The meter ballistics were also carefully chosen with familiarity being a key factor.
The back panel features XLR inputs with “pass-thru” XLR outputs, to simplify wiring (no “Y” cables). It is available as a desktop unit or as a rack-mountable 19 inch 1U enclosure.
The U70F was designed with accurate digital recording in mind and intended for those that prefer clean accurate meters put in clear line-of-sight. Sometimes the producer and muscians appreciate meters they can see too. Sometimes those on-screen meters are just not easily read from across the control room or are covered by a crowded screen when you need them.
Our new design uses advanced DSP technologies for improved performance and offers the following features:
XLR balanced inputs and outputs The audio pass through feature simplifies the connection of the U70F
Independent 60 LED scales with five Illuminated scale markers per channel. (Nonmultiplexed for flickerfree operation) dB linear scales for improved readability
Switchable scales: 39 dB to +20 dB with a linear resolution of 1 dB per step or 19.5 dB to +10 dB with a linear resolution of 0.5 dB per step
Selectable Dot or Bar display characteristics
Selectable PeakHold functions with hold times of 2.5s or indefinitely with manual reset
PPM Bar Mode, PPM Dot Mode, RMS Bar Mode, PPM Dot and RMS Bar Mode (default) operated simultaneously Every mode supports the additional Peak Hold feature.
Integrated universal powersupply (90 – 240 VAC, 50 – 60 Hz) with IEC connector
Rackmount or tabletop operation
Standard 19inch 1U enclosure
PPM metering is more important than ever in modern digital recording since A/D converters do not clip gracefully at all. VU metering is too slow and unable to correctlydisplay transients and other complex waveforms. Monitoring the recording levels after the A/D conversion in the digital domain cannot show any “overs” and will give false readings. The U70F offers a high quality solution to these problems, latency free true over sampled peak metering. In addition, the simultaneous true RMS feature allows the recording/mastering engineer to judge the “loudness” of the program. This especially important to insure the program will be on par with others when playing on radio/ TV stations, internet streams or portable music players. The peak hold feature with manual reset allows users to read the maximum peak value of a complete program.
Comes with Manufacturer's Warranty