Rolls DU30 دليل المستخدم

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LIMITED WARRANTY
This product is warranted to the original consumer purchaser to
be free from defects in materials and workmanship under normal installa-
tion, use and service for a period of one (1) year from the date of purchase
as shown on the purchaser’s receipt.
The obligation of Rolls Corporation under this warranty shall be
limited to repair or replacement (at our option), during the warranty period
DU30 MIC PRE - DUCKER
of any part which proves defective in material or workmanship under

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Thank you for your purchase of the Rolls DU30 Mic Preamp Audio Ducker. This SPECIFICATIONS device temporarily and automatically mutes or "ducks" a background music signal Frequency Response 20 Hz - 40 kHz under an announcement. After the announcement, the music level is automatically Input Impedance 100KW unbalanced, 600 W balanced returned to it's previous level. THD + Noise <0.03% typical DESCRIPTION Noise Floor -78 dB REAR PANEL Indicators Power LED MIC IN: Female XLR jack for connection to