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RNDI:
Active Transformer Direct Interface
User Guide
RNDI Specifications
Noise:
Measured Output, un-weighted, 22Hz-22kHz, source impedance 150 Ohms to 10K Ohms
Better than -110dBV
Input Impedance
Instrument Setting 2.2 Meg Ohm
Speaker Setting 200k Ohm
Output Impedance Less than 40 Ohms
Frequency Response
+/- 0.25db 25Hz – 44kHz
+/- 1dB 12.5Hz – 63kHz
-3dBu 92kHz
Maximum Input Level
Instrument = +21dBu Typical
Speaker = +41.5dBu, 92 Vrms (266Vp-p)
Maximum Output Level +11.5dBu output at maximum input level
Total Harmonic Distortion plus Noise
@ 1kHz, +20dBu input level 0.25% Typical (2nd and 3rd harmonic)
@ 1kHz, -20dBu input level 0.015% Typical (2nd and 3rd harmonic)
@ 20Hz, -20dBu input level 0.75% Typical (2nd and 3rd harmonic)
Power Requirements Phantom powered, 4.5mA @ +48VDC
Weight 1.5lbs
Dimensions 6.25” long x 4”wide x 1.5” high
PN: 775-00022
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