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Table of Contents
Related Manuals for Hagerman Audio Labs Cornet3
Summary of Contents for Hagerman Audio Labs Cornet3
- Page 1 Cornet3 Tube MM Phonostage PCB Made in USA...
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Page 2: Copyrights And Trademarks
Hagerman Audio Labs warrants this product free of defects in materials and workmanship for a period of 10 years. If you discover a defect, Hagerman Audio Labs will, at its option, repair or replace the product at no charge to you provided you return it during the warranty period, transportation charges prepaid to Hagerman Audio Labs. -
Page 3: Specifications
Description Congratulations, you have just purchased one of the highest performance-per-dollar audiophile products available! The Cornet3 delivers high performance on a budget with a circuit topology features common cathode class-A gain stages with no feedback, passive equalization, and cathode follower output buffers with constant current sink loading. - Page 4 CORNET3 Phonostage Kit PCB Parts The following parts (or similar) need to be purchased to complete your kit. Any LED will work fine. If you plan on using a different case, buy panel-mounted RCA jacks, etc. Sockets are available from many places (newsensor.com 3x 9PINPCG), along with tubes (2x 12AX7, 1x 12AU7).
- Page 5 CORNET3 Phonostage Kit PCB Assembly Install all resistors, solder, cut leads. Note the two 10k next to LM555 should be 6k8. Install diodes. Solder. Install LM555. Install power switch. Install 1nF and 47nF capacitors. Install 47uF (25V) and 470uF capacitors.
- Page 6 CORNET3 Phonostage Kit PCB...
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Page 7: Troubleshooting
CORNET3 Phonostage Kit PCB Testing Install tubes. Make sure 12AU7 is towards the front of unit. Apply power to 9Vdc jack. On power, one LED should light up. After about 45 seconds the other two LEDs light up. If you have a DVM, check supply voltages on mounting screws.
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