B12A MkII 500
Contents
1. 2015 Black Lion Audio Inc All rights reserved This manual and any associated artwork product designs and design concepts are subject to copyright protection No part of this document may be reproduced in any form without prior written permission of Black Lion Audio Inc2. OCK DIAGRAM CN o Hi Z IN Active gain jack set by Gain pot XLR mic Phase Pad Input Hi Z OP AMP Output TRS ES LA EE un switch gt discrete gt transformer gt Output Jack gt REPAIR To reduce the risk of fire or electric shock the user should not attempt to repair the device in the event of a failure Repairs should be referred to qualified service personnel only Please contact Black Lion Audio if you need assistance WARRANTY We extend a two year warranty on defects in materials and workmanship for all Black Lion Audio products from the date of purchase This does not cover user error wear tear or abuse Should your B L A product experience any problems or failures during the warranty period immediately contact us and we will gladly correct the issue at no charge excluding shipping DISCLAIMER For your safety please read the following Grounding For your safety do not defeat the grounding connection Use the device only when it is properly grounded Liquids water and moisture The device should not be used near water or when it is wet Care should be taken so that it remains dry Be sure to keep the device away from rain or other moisture Power The device must be loaded in and powered by a 500 Series lunchbox B12A MkII 500 User Manual 5 RLACK LION AUDIO 1801 W BELLE PLAINE AVE SUITE 102 CHICAGO IL 60613 INFO BLACKLIONAUDIO COM 773 549 1885 BLACKLIONAUDIO COM Copyright
3. VE RUACK LION AUDIO B12A MkII 500 User Manual TABLE OF CONTENTS Introduction SSA A A ante tgs EE A A Specifications o a o A A Package COMENT sn es des tie Warranty eee Disclaimer BEI tonada cda 812A MkII 500 User Manual INTRODUCTION The B12A MkII 500 packs the same punch as its Y rack cousin but in the convenient and flexible 500 series format The APl style design features a delicious CineMag input transformer serves up huge portions of low noise gain and has the same classic American rock sound that the original API 312A is known for Get ready to fill your lunchbox cause once you go Black Lion Audio you never go back FEATURES e 500 Series format lunchbox required e Cinemag Input Transformer e Edcor Output Transformer e 70dB Gain SPECIFICATIONS Mic Section e Max Microphone Input Level 1dBu e Input Impedance 2000 e Pad 18dBu e Gain no pad 26dB to 70dB e Equivalent Input Noise noise floor 120dB e THD N e 01 26dB Gain e 011 40dB Gain 049 60dB Gain e 15 70dB Gain e Bandwidth 1kHz 1500 source unweighted 10Hz to 30kHz D I Section e Max D I Input Level 18dBu e Input Impedance 500kQ e Pad none e Gain 10dB to 53dB e Equivalent Input Noise noise floor 94dB PACKAGE CONTENTS e B12AMkll 500 B12A Mkll 500 User Manual e Hi Z Input passive unbalanced e Phantom Power e 18dB Pad e Phase Switch e THD N e 008 10dB G
4. ain e 01 25dB Gain 03 40dB Gain e 15 53dB Gain e Bandwidth 1kHz 600Q unbalanced source unweighted 10Hz to 30kHz Output Section e Max Output Level 28dBu e Output Impedance 6000 Power Supply e 15v lunchbox supply Product Dimensions 1 5 x 6 5 x 5 25 Product Weight e 8lbs Shipping Dimensions e 13 x 11 x 5 Shipping Weight e 1 8 Ibs 1 GAIN clockwise rotation yields an increase in output signal amplitude counterclockwise rotation yields a decrease in output signal amplitude 2 48V engage to turn phantom power on disengage to turn phantom power off 3 PHASE engage to adjust input signal polarity by 180 disengage to leave input signal polarity unchanged 4 PAD engage to reduce input signal amplitude by 18dBu disengage to leave input signal amplitude unchanged 5 Hi Z engage to use front panel Hi Z IN as preamp source disengage to use 500 series lunchbox s XLR input as preamp source 6 Hi Z IN input jack for use with high impedance unbalanced sources GAIN knob adjusts signal amplitude B12A MKII 500 CONNECTION DIAGRAM LEGEND Mic Level D I i E Vi 2 k ak k k k k k ak ak k k k K fa Line Leve gt gt 500 Series Lunchbox POSO EEEE ok ak sk O y BLA modified Interface B27 MKU B12A MKU AUTEUR MKI lt AUTEUR MKI lt AUTEUR MKU lt AUTEUR MKU B12A MKU B1eA MKU B12A MkII 500 User Manual 4 SIGNAL FLOW HARDWARE BL
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