MX44 4-channel mixer owners manual 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 purchasers 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 normal 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 alteration 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, obligations or liabilities. any implied warranties, obliga- tions, or liabilities, including but not limited to the implied warranties of merchantability and fitness for a particular purpose, shall be limited in dura- tion 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 spe- cial, 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 exclusion 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. rolls corporation salt lake city, ut 7/99 MX44 mini-mix iv 4-channel mixer ? four input to mono line-level output ? 1/4" high-impedance inputs ? 1/4" trs high impedance output ? output level sufficient to drive headphones the MX44 is a four channel active mixer for mixing instrument or line-level signals. the output is specially designed with enough power to drive any pair of standard headphones. output vol1 vol2 vol3 vol4 input 1 input 2 input 3 input 4 mini-mix iv MX44 9 - 16 vdc 9v battery pwr + - ( datasheet : )
introduction thank you for your purchase of the MX44 mini-mix iv. this unit is a four channel active mixer for mixing instrument or line level unbalanced signals. description output: 1/4" tip-ring-sleeve jack for connection to a mixer input, amplifier or other input device. note: this output will drive a pair of headphones. 9v battery: compartment for a 9 volt alkaline (preferred) battery. 9-16 vdc: power jack located on the side panel, for connec- tion to an optional ps27 12 volt dc power supply. pwr led: indicates that power is applied to the MX44. if using battery power, this led lights when a plug is con- nected to the output jack. volume 1 - 4: control the level of the signals coming from inputs 1 - 4. in 1 - 4: 1/4" unbalanced jacks for connection to line or instrument level devices. example schematic specifications input impedance: 10k w output impedance: 50 w gain: 30 db power: 9v battery, or 12 vdc 100ma (optional) size: 4" x 3" x 2" weight: 1lb (.45kg) d a te : m a y 2 1 , 1 9 9 6 s h e e t o f size docum ent num ber rev a m x44.sch title rolls MX44 mini - mix 4 rolls corporation ch 1 j1 pho ne 1/4 r1 10k c3 47p f p1 p100k r 5 220k line/hdphone j6 pho ne 1/4 9v batter y c5 47u d2 ld r g out r9 4.7k 2 3 1 0 4 u1a 4560 r8 51 c1 1u r6 10k p2 p100k p3 p100k c4 47u 5 6 7 8 0 u1b 4560 r7 10k ch 2 j2 pho ne 1/4 j5 pho ne 1/4 r2 10k ch3 r3 10k j4 pho ne 1/4 r4 10k ch4 p4 p100k in 9 -1 5 v d c 2 3 1 j3 japdc d1 1n 4001 output vol1 vol2 vol3 vol4 input 1 input 2 input 3 input 4 mini-mix iv MX44 9 - 16 vdc 9v battery pwr + - output vol1 vol2 vol3 vol4 input 1 input 2 input 3 input 4 mini-mix iv MX44 9 - 16 vdc 9v battery pwr + - input output pwr 12vdc mini-mic preamp mp13 gain 6 db - 50 db clip phantom power p wr on unbal bal bal unbal/hdph volume 1 volume 2 p ower a mplifier ra2100b
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