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Locomotive Audio 286A, User Manual

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USER’S MANUAL 

MODEL 286A

DUAL CHANNEL TUBE MIC PREAMP & DI

HANDMADE IN ST. LOUIS, MO USA

Summary of Contents for 286A

Page 1: ...USER S MANUAL MODEL 286A DUAL CHANNEL TUBE MIC PREAMP DI HANDMADE IN ST LOUIS MO USA ...

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Page 3: ...ents and modern features for today s engineers With proper treatment our products will be able to give you many years of reliable service so you can focus on being creative and making the best recordings possible We thank you for your support of Locomotive Audio BOX CONTENTS Your Locomotive Audio product should have been shipped with the following contents 1 286A unit 1 User s Manual 1 IEC Power C...

Page 4: ...286A will fit in a 19 equipment rack taking 2 units of space 2U The chassis for the 286A has vents punched out of the top and sides for heat to escape It is good practice to leave 1U of space above the unit for bet ter ventilation The Locomotive 286A has its tubes and transformers installed on the outside of the unit Route audio and power cords in a direction where they would be least likely to to...

Page 5: ...Voltage Slide Switch on the back of the unit page 8 is in the correct position for your mains voltage If oper ated set to the incorrect voltage harm to the unit may result With unit turned off use a flat head screwdriver to change the voltage selection if necessary All Locomotive Audio products contain a fuse in the IEC power entry module for protection of both YOU and the unit In order to check o...

Page 6: ...Solen capacitors in signal path Hand built in USA with classic turret board technique Heavy 16 gauge steel chassis 115v 230v AC mains option on rear Backed by 2 year limited warranty parts and labor 286A SPECIFICATIONS The technical data listed below may change without notice as we are consistently trying to improve our products Microphone input load impedance 500Ω or 1800Ω Output impedance 600Ω 1...

Page 7: ...th a great deal of gain A good place to start when looking for a clean sound is with the GAIN positioned at a low setting and the LEVEL positioned at a high setting If too much distortion is experienced at these settings it is likely that the source is too hot Drums for instance may benefit from switching the 20dB pad to the up position Rotating the gain knob to a higher level will allow more sign...

Page 8: ...input audio transformer This setting does not affect a DI source The pad sets a 1500Ω load impedance for the mic to work into The output impedance of the pad is 150Ω and should be used in conjunction with the 1800Ω setting for a flat frequency response 6 Polarity Switch Also placed before the input transformer this switch controls the polarity of the microphone signal and will not affect a DI sour...

Page 9: ...e you to utilize these tubes but also experiment with with other brands of New Old Stock tubes to acheive your sounds There are no rules with brands or age of tubes But be sure to use only EF86s or EF806s and 12AY7 tubes in the appro priate tube sockets This will prevent any issue with the performance of the 286A and damage to the unit USE ONLY WITH 250V FUSE MODEL No DESIGNED MANUFACTURED IN SAIN...

Page 10: ...efect in the product including lost profits damage to property and to the extent permitted by law dam age for personal injury even if Locomotive Audio LLC has been advised of the possibilities of such damages REGISTRATION Email support locomotiveaudio com the following info within 30 days of purchase to receive the full 2 year warranty from date of purchase Purchaser Name phone number email and ma...

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Page 12: ... 2015 Locomotive Audio LLC ...

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