Home

Rolls DU30 User's Manual

image

Contents

1. 7 L phan pwr Mic Preamp Audio Ducker ROL N 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 of any part which proves defective in material or workmanship under nor mal installation use and service provided the product is returned to Rolls Corporation TRANSPORTATION CHARGES PREPAID Products returned to us or to an authorized Service Center must be accompanied by a copy of the purchase receipt In the absence of such purchase receipt the warranty period shall be one 1 year from the date of manufacture This warranty shall be invalid if the product is damaged as a result of defacement misuse abuse neglect accident destruction or alter ation of the serial number improper electrical voltages or currents repair alteration or maintenance by any person or party other than our own service facility or an authorized Service Center or any use violative of instructions furnished by us This one year warranty is in lieu of all expressed warranties ob ligations or liabilities ANY IMPLIED WARRANTIES OBLIGATIONS OR LIABILITIES INCLUDING BUT N
2. J2B 47K 5 J J3B 2 F 2 0 O o o O 4560 ee R15 R17 VB N c15 VB I c R31 I lt 47K 4K 1K ea 503 R34 C18 R35 2 1U 47K 47U 47K 3 U1A 1 R32 av r H 12 16 VDC 47 me d LINE IN c19 2 l p RCAX4 120PF J4 gt q ka _1 C16 R22 C14 1KUF R33 J2c R21 Sn 10K pg x J 40U jane 1N4001 ATK 9 c17 7 Ty 1N4148 6 bli G17 e a 33K 1U 1K ad Z Lose atte 47K vBoe D5 4560 R28 77 1n4148 2 al RCAX4 a2 po TUA 1 J2D x ei 3 a 100K 5 y ROLLS CORPORATION EFi ee sak Su Wat Salt Lake City UT 84107 J ax on W Yog FIGHT A COLD BUY ROLLS ty 1U hg Title DUCKER DU30 C12 R25 503 4M ye Size Document Number Rev 3 DU30 SCH A al a 2 Date 27 Sep 2001 Sheet 1 of 1
3. 12VD l MIC l l AUX ume foureu A INPUT INPUT INPUT phan l pwr j Mic AUDIO DUCKER Preamp gt Mic PAD SENSITIVITY LEVEL PWR DU30 SPECIFICATIONS Frequency Response Input Impedance 20 Hz 40 kHz 100Kw unbalanced 600 w balanced HEADPHONE CO un Symes D l a S TROLLS l na Nemos Paging Amplifier THD Noise lt 0 03 typical Noise Floor 78 dB Indicators Power LED Active LED Input Output jacks XLR balanced output RCA unbalanced input and output Size 4 x 4 x 1 5 Weight 1 Ib 5 kg Power 12 16 VDC 50mA 5 x 1 2 mm DC Jack Center Negative SCHEMATIC ea ee ute JP1B 2 A 36 2 R8 22K HD2 1 vve 4 R1 R3 R5 V 47K c1 22K 1K r 4560 R9 1K C4 4V 22K LM358 WW 25PF 1N4148 Q 7 2 1 SENSITIVITY 100K 2 C6 oY 10UF 16V NP UiB 3 5 o cz g g V3B e M358 o5 Z5 tou gt 100K Q3 10UF 16V N R4 R6 7 Z U3B e Kl 2N3906 a 22K 1K R7 os 5 iy DI R20 XLR FPC 4 ao a 9 1n414g 100K 5 VB 7 VB 6 MIC IN XO SWB DPDT p S MIC VOL P1 P100K VB c9 DUCK LINE IN 120PF j IN R16 i brs RROAX2 K RCAX4 c7 R12 47 R18 ae J2A au S4K e e O 1 V 47K R30 LINE OUT kee e 1K R13 47K 4560 R19 o 7m 6 e_ RCAX4 R14 7 100K RCAX2
4. OT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PAR TICULAR PURPOSE SHALL BE LIMITED IN DURATION TO THE ONE YEAR DURATION OF THIS WRITTEN LIMITED WARRANTY Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you IN NO EVENT SHALL WE BE LIABLE FOR ANY SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR BREACH OF THIS OR ANY OTHER WARRANTY EXPRESSED OR IMPLIED WHATSOEVER Some states do not allow the exclusion or limitation of special incidental or consequential damages so the above limitation or ex clusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state MADE IN USA AUDIO DUCKER SENSITIVITY OWNERS MANUAL DU30 MIC PRE DUCKER e Automatically ducks music under announcements e Perfect for restaurants and small clubs e Clean Quiet Mic Preamp The DU30 is a microphone preamp and back ground music preamp When an announcement is made into the microphone the music is automati cally ducked under the announcement Then the music is brought back to it s previous level DU30 Ducker C 3 I NN EROLLS I r 6 7588900030 6 Rolls Corporation Salt Lake City UT 9 01 Thank you for your purchase of the Rolls DU30 Mic Preamp Audio Ducker This device temporarily and automatically mutes or ducks a background music sig
5. nal under an announcement After the announcement the music level is automatically returned to it s previous level DESCRIPTION REAR PANEL MIC IN Female XLR jack for connection to a dynamic or condenser paging micro phone PHTM PWR Jumper for engaging the 12 volt phantom power to the microphone input The Rolls 12 volt phantom power circuit will power 99 of the world s existing condenser microphones ALT IN Stereo RCA jacks for connecting to a source different from the Mic In as the master signal LINE IN Stereo RCA jack for connection to the stereo signal source to be ducked such as a tuner CD player or cassette player LINE OUT Stereo RCA jacks for connection to the system s amplifiers FRONT PANEL PAD When pressed in the gain of the XLR Mic In is reduced by 30 dB MIC LEVEL Adjusts the amount of gain in the Mic In circuit SENSITIVITY The Threshold at which ducking begins When the microphone level reaches the threshold the signal present at the Line Ins jacks is reduced until the announcement is over then the Line In signal returns to its previous level OPERATION Shown below is a diagram of typical connection for the DU30 Set the level of the music signal for a comfortable level Speak into the microphone and adjust the Mic Level for a comfortable level then adjust the Sensitivity so that the music is muted when speaking with a normal voice m HEADPHONE VOLUME 5 13 6 1 RS79

Download Pdf Manuals

image

Related Search

Related Contents

    QUICK GUIDE  SUNRISE4  VIA COLLAGE QUICK START GUIDE For Installer  Broan-NuTone N-PFLK1BR Light Kit Ceiling Fan  

Copyright © All rights reserved.
Failed to retrieve file