Rolls MB15 ProMatch Manual & Schematic 电路图.pdf

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1、MB15 ProMatch Rolls Corporation Salt Lake City, UT 2/00 - Studio - Install - Broadcast . anywhere you need to convert consumer- level audio to pro-level and/or vice-versa. SCHEMATIC MB15 PROMATCH The MB15 converts stereo consumer level signals to professional line level signals - and vice versa. It

2、may also serve as a balanced inline level control by patching the four RCA jacks together. - Stereo Direct Box - Stereo RCA to stereo XLR - Stereo Level control for each channel - Works as stereo balanced line level control MB15 ProMatchMB15 ProMatchMB15 ProMatch INTRODUCTION Thank you for your purc

3、hase of the MB15 ProMatch Stereo Dual Converter. Specifically, the MB15 converts consumer level stereo RCA signals to balanced XLR professional line level - and back. WARRANTY For compete information on the Rolls 1 Year Warranty, and to regis- ter this product, see our website at . DESCRIPTION REAR

4、PANEL +4 dB IN LEFT and RIGHT XLR jacks: Female XLR jacks to be connected to the output of a professional line-level device such as a sound reinforce- ment mixing board or recording device. +4 dB OUT LEFT and RIGHT XLR jacks: Male XLR jacks to be connected to the input of a professional line-level d

5、evice such as a mixer or recording device. FRONT PANEL -10 OUT Stereo RCA jacks: For connection to the input of a consumer level device such as a cassette or CD player. -10 IN Stereo RCA jacks: For connection to the output of a consumer level device such as a cassette or CD player. LEVEL 1: Adjusts

6、the signal level of channel one, or the +4 dB IN to -10 dB OUT channel. LEVEL 2: Adjusts the signal level of channel two, or the -10 dB IN to +4 dB OUT channel. PWR LED: Indicates that power is applied to the MB15. 12 VDC jack: For connection to the Rolls PS27 12 Volt DC power supply. The outside of

7、 the jack (barrel) is positive, the inside is negative. CONSUMER LEVEL VS PROFESSIONAL LEVEL The purpose of the MB15 is to connect consumer level equipment to professional level equipment. An explanation of these are ad- dressed here. Consumer level signals typically come from devices such as camcor

8、ders, cassette decks, CD players, and home video play- ers. Professional level signals are associated with devices found in recording studios and sound reinforcement systems like mixing boards, signal processors, and their associated amplifiers. SPECIFICATIONS Max Out: Bal: +18 dB Unbal: +12 dB Max

9、In: Bal: +22 dB Unbal: +22 dB Input Impedance: RCA: 100k Ohm XLR: 10 k Ohm Output Impedance: RCA: 100 Ohm XLR: 100 Ohm balanced Noise Floor: -88 dB Gain: +4 dB In: -8 dB -10 dB In: + 20 dB THD: .003% Power: 12 VDC 150 mA adapter (center negative) Weight: 1 lbs. (.45 Kg) Size: 4.15” x 2.46” x 1.55” RadioFans.CN 收音机爱 好者资料库