Rolls MX51s Mixer Manual & Schematic 电路图.pdf

MX51s 4-Channel Mixer Rolls Corporation Salt Lake City, UT 05/2008 - Install - Studio - Live . anywhere you need to mix up to four line signals to a mono output. SCHEMATIC MX51s MiniMix II MX51s MINI MIX 2 - For mixing a microphone XLR input with up to three RCA input signals - Four channels total - Line / Headphone output level - ROLLS PS27 AC adapter included The MX51s Mini Mix 2 is small four-channel mixer with individual volume controls, and a headphone / line output. The unit has one XLR input along with an 1/8” input and 3 sets of stereo RCA inputs. It has enough gain and output level to connect to a power amplifi er, with either RCA or 1/8” jacks. The MX51 is powered by an included ROLLS PS27 12 VDC adapter. SPECIFICATIONS Input Impedance: 10K unbalanced each jack CH 1 Gain: 32 dB XLR jack (highest gain) Phantom Power: for CH 1 microphone XLR Ch2 Gain: 26 dB 1/8 and RCA Ch 3 and 4 Gain: 26 dB each RCA Output: 1/8 stereo and stereo RCA S/N Ratio: 90 dB THD: <.008% IMD(SMPTE): <.008% Power: ROLLS PS27 12 VDC adapter Weight: 1 lbs. (.45 Kg) Size: 3 x 5 x 1.25 (8 x 13 x 3.2 cm) INTRODUCTION Thank you for your purchase of the MX51s Mini-Mix II. The MX51s is a four channel mixer designed for Audio and Visual applications. Channels 1 has a microphone XLR input with switchable phantom power. Channel 2 has 1/8” and RCA inputs. Channels 3 and 4 have RCA jacks. The unit also features a 1/8” headphone output that will drive up to 600 headphones with full frequency response. The MX51s is intended for professional applications. It has an FR4 glass epoxy circuit board, vinyl laminated steel chassis bottom and a powder coated top. All inputs except CH 1 microphone are stereo. All outputs are true stereo. DESCRIPTION DC PWR: For connection to the ROLLS PS27 power supply. OUT: Stereo RCA jacks for connection to a mixer or amplifi - cation device. CH 4 and CH 3 INPUT: Stereo RCA jacks for connection to a signal source such as a CD player, cassette deck, tuner, etc. CH 2 INPUTS: Stereo RCA and one 1/8” jacks (paralleled) for connection to a signal source such as that men- tioned for Channels 3 and 4, or to a source such as a wireless microphone or instrument. CH 1 INPUT: XLR jack for connection to a micro- phone. Switchable jumper phantom power as labeled on unit. LINE/HEADPHONE OUTPUT: 1/8” Stereo jack for connec- tion to a mixer, amplifi er or stereo headphones. CH 1 - 4 LEVEL: Adjusts the volume level of each channel. OPERATION To operate the MX51s, properly connect cords from the sources to be mixed (mics, cassette decks, CD players etc.) into the channel inputs. Connect the outputs to an ampli- fi cation device or sound system. Adjust the channel level controls for the desired volume. For private listening, plug stereo headphones into the LINE/HEADPHONE OUTPUT on the MX51s front. WARRANTY For information on the Rolls One Year Limited Warranty, and to register this product, visit our website at MX51s STEREO LINE MIXER PHANTOM CH 1 INPUT CH 2 INPUTS CH 3 INPUT CH 4 INPUT OUTPUT CH 1CH 2CH 3CH 4 LEVELLEVELLEVELLEVEL LINE/ HEADPHONE OUTPUT + - 12V DC POWER 1 Rolls Corporation 5968 S 350 W Murray Utah 84107 1 MX51S.SCH A 9 NOVEMBER 2007 Title Size:Document Number: Date: Rev: Sheetof M51S 4CH MIXER PLUS FXa +B +B +B LINE/HDPHONE LINE OUTS +V +V +V CH 4 CH 3 CH 2 CH1 IN 9-15 VAC/VDC P4 P100K 1 2 3 J2A RCAX4 PC 2 3 1 J1 JAPDC C6 1U R3 1K R7100K R4 10K C1 1U 4 5 6 J3B RCAX4 PC R6 10K R8 10K 1 2 3 J3A RCAX4 PC R9 10K R11 10K 4 5 6 J2B RCAX4 PC R10 10K R12 10K R13100K R14 3.3K C3 47U D2 1N4001 R19 18K R18 22K C12 47U C7 1000 UF R20 100 R14 1K 2 3 1 4 U1A 4560 6 5 7 8 U1B 4560 R10 3.3K C227PF C9 27PF 12 3 J5 XLR F PC J4 3.5STJK J6 3.5STJK C5 47U R5 10K R16 100 13 2 P1A P100K X2 13 2 P3A P100K X2 13 2 P2A P100K X2 46 5 P3B P100K X2 46 5 P2B P100K X2 46 5 P1B P100K X2 T1 XFMRAUDIO 1 H1A HD3 2 H1B HD3 3 H1C HD3 R17 100K Q1 2N3904 C4 47U 1 H2A HD3 2 H2B HD3 3 H2C HD3 MONO STEREO PHANTOM C8 10U C101U R21 10K R22 100K Q2 2N3904 +B R15 4.7K D1 LDRR RadioFans.CN 收音机爱 好者资料库