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Summary of Contents for Analog Metric SL-1
- Page 1 CAT SL-1 Preamplifier User Manual Analog Metric www.analogmetric.com sales@analogmetric.com Copyright© 2009 All Rights Reserved www.analogmetric.com...
- Page 2 Analog Metric INTRODUCTION The design of this preamplifier is reference to the classic CAT SL-1 preamplifier. By using three tube stages:12AU7, 12AX7 and 6DJ8; The first-stage use 12AU7which is denoted with high-bandwidth and providing sweet sound. The second stage is even more amazing;...
- Page 3 [CAT SL-1 Tube Preamplifier ] Analog Metric FEATURES One 12AU7, two 12AX7, and one 6DJ8. First two amplification stages consist of 12AU7 in common cathode and then 12AX7 in SRPP. The final stage are cathode follower provided by 6DJ8 Two single-ended inputs and two single-ended outputs.
- Page 4 [CAT SL-1 Tube Preamplifier ] Analog Metric 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 (C10, C12, C14, and C15). 2. Apply power supplies without plugging in the tubes, there are 12.6V DC to HT connector, either one or two 260V DC to HV connector, and 6.3V AC to connector HT2...
- Page 5 [CAT SL-1 Tube Preamplifier ] Analog Metric CHECKLIST 1. The polarity of the high voltage capacitors C10, C12, C14 and C15. 2. The supply voltages at connectors (HT, HT2, and HV) 3. Enjoy it and good luck. If you have any problem in assembly, please contact us by email to tech@analogmetric.com...
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