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HAGERMAN

T E C H N O L O G Y

Castanet

Headphone Amp Kit Manual

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Summary of Contents for Castanet

Page 1: ...HAGERMAN T E C H N O L O G Y Castanet Headphone Amp Kit Manual...

Page 2: ...LC Copyrights Trademarks Copyright Hagerman Technology LLC 2007 All rights reserved No part of this document may be photocopied reproduced or translated to another language without the prior written c...

Page 3: ...ed by the high transconductance 6H30 vacuum tube which is fed by a fully choke regulated power supply No feedback is used anywhere Features Vacuum tube amplification No feedback Choke rectification Tw...

Page 4: ...capacitor Parts List Parts should be ordered directly from www digikey com www tubesandmore com AES www mouser com and www newsensor com Component Qty DigiKey References 100uF 350V 4 P5938 ND C4x C5x...

Page 5: ...T261C6 T1 Choke 9H 2 P T156G L1 L2 Choke 30H 2 P T157G L3x Tranny output 2 P T119DA T2x Jack phone 2 S H504 J3 J4 Jack RCA B 1 S H267B J2x Jack RCA R 1 S H267R J2x Component Qty Mouser References Cha...

Page 6: ...e The stock panels can obtain a really nice finish when cleaned Or buy the pre made panels from FPE Install the RCA jacks into back panel Add short about 2 wires Install LEDs into front panel Circuit...

Page 7: ...hen solder Install 10nF ac capacitor Install 9H chokes 2 in the same fashion as above Make sure the thick washers are used as standoffs Install 30H chokes 2 Install 119DA output transformers 2 Install...

Page 8: ...Castanet Headphone Amplifier Kit Manual 8...

Page 9: ...hone jacks in place washers removed Apply volume pot washer Carefully mount front panel securing in place with volume pot nut Add nuts to phone jacks but loosely Solder one pin on each phone jack Not...

Page 10: ...n all three nuts Add knob to volume control flat side opposite set screw Solder LED wires Square hole is red positive wire Solder RCA wires into appropriate holes labeling on other side Install fuse a...

Page 11: ...Castanet Headphone Amplifier Kit Manual 11...

Page 12: ...6 3Vac Measure B It should overshoot to about 150Vdc on power up and then drop to 100Vdc after the 6H30 warms up Measure plate voltages They should be approximately 92Vdc Measure cathode voltages Appr...

Page 13: ...nge without notice Item Specification Input Impedance 50k Gain 2 6dB Sensitivity 3Vrms maximum Output Impedance 9 ohms Bandwidth 3dB 12Hz to 75kHz Distortion 0 5 1kHz SNR 98dB ref 1V A weighted Size P...

Page 14: ...ssion of Hagerman Technology LLC This warranty is limited to the replacement or repair of this product and not to damage to equipment of other manufacturers Any applicable implied warranties including...

Page 15: ...4 000 in 1 250 in 3 000 in 3 500 in 0 250 in 1 000 in 1 220 in 1 570 in 0 900 in 0 140 in 0 375 in 0 375 in 0 450 in 0 375 in...

Page 16: ......

Page 17: ...OWN 157G 156G 156G 100V 14mA 4 2V 115V 92V n a A HA 10 HEADPHONE AMPLIFIER Hagerman Technology LLC P O Box 26437 Honolulu HI 96825 1 1 Tuesday January 08 2008 Title Size Document Number Rev Date Sheet...

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