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Analog Metric 12AU7, User Manual

The user manual for the highly sought-after Analog Metric 12AU7 vacuum tube amplifier is available for free download on manualshive.com. This comprehensive manual provides detailed instructions, technical specifications, and helpful tips, allowing users to maximize their audio experience. Don't miss out on this essential resource for getting the most out of your product.

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www.analogmetric.com

12AU7 Balance Pre-Amplifier

User Manual

Analog Metric

www.analogmetric.com

[email protected]

Copyright© 2009 All Rights Reserved

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Summary of Contents for 12AU7

Page 1: ...www analogmetric com 12AU7 Balance Pre Amplifier User Manual Analog Metric www analogmetric com sales analogmetric com Copyright 2009 All Rights Reserved ...

Page 2: ...fier with two cascade stages The input stage uses 12AU7 with moderate voltage gain whereas the output stage uses 6DJ8 6N11 The differential amplifier provides high PSRR and capability to noise rejection The signal paths of this PCB layout are designed in symmetry for both channels Dedicated power rails ground and signal paths altogether are taken into design considerations so that all are to minim...

Page 3: ...th minimum parasitic Dedicated ground and power rails layout design Two large reservoir decoupling capacitors for power rails Power requirements one 260V 80mA DC one 12 6V 0 5A DC and one 6 3V 0 8A DC PCB dimension 21 8mm W x 13 5mm L PCB thickness 2 4mm double layer 2oz copper PRECAUTIONS Do not use any body parts to touch the metal parts of the kit after power up or power off since the high volt...

Page 4: ...ing very hot shortly PROCEDURES 1 Hook up all the components according to the schematic part list and photos Notice to the polarity of the high voltage electrolytic capacitors C3 and C3B There are no polarities of the thin film capacitors 2 Apply either one or two 260V DC to P1 one 6 3V DC to P2 and one 12 6V DC to P3 If you only have one 260V DC supply connect the two 260V DC pins together 3 Adju...

Page 5: ... 12AU7 Balance Pre Amplifier Analog Metric www analogmetric com 5 ...

Page 6: ...logmetric com 6 CHECKLIST 1 The polarity of the high voltage C3 and C3B 2 The supply voltages at connectors P1 P2 and P3 Check whether has 260V DC to two pins of P1 If you have any problem in assembly please contact us by email to tech analogmetric com ...

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