AUDIO DESIGN
Copyright 2006-2008© All Rights Reserved
GlassWare
Aikido Stereo 9-Pin PCB
USER GUIDE
IntroductionOverviewSchematicsRecommended ConfigurationsTube ListsAssembly Instructions
05/29/2008
Revision C
Страница 1: ...DESIGN Copyright 2006 2008 All Rights Reserved GlassWare Aikido Stereo 9 Pin PCB USER GUIDE Introduction Overview Schematics Recommended Configurations Tube Lists Assembly Instructions 05 29 2008 Revi...
Страница 2: ...d solder pads for each critical resistor so that radial and axial resistors can easily be used bulk foil resistors and carbon film resistors for example In addition most capacitor locations find many...
Страница 3: ...6922 Rg Rgs Rgs Introduction to the Aikido In the schematic above the triodes are so specified for example only Although they would never fit on the printed circuit board PCBs 211 and 845 triodes cou...
Страница 4: ...in amplitude and phase they cancel each other out as each triodes sees an identical increase in plate current imagine two equally strong men in a tug of war contest If the output connection is taken f...
Страница 5: ...per settings that are listed on the PCB for 6V use For example if the input tube V2 and V3 is a 12AX7 and the output tube is a 12AU7 V1 and V4 then use jumpers J1 and J4 AC Heaters An AC heater power...
Страница 6: ...r example 6GM8s ECC86 can be used with a low 24V power supply while 6FQ7s work better with a 250 300V B plus voltage The sky is not the limit here as the heater to cathode voltage sets an upward limit...
Страница 7: ...en capacitors C11 and C12 can be replaced with a jumper which will ground the shield However using the capacitors will also ground the shield in AC terms and allow using triodes whose pin 9 attaches t...
Страница 8: ...0V 300V 200V 300V 250V 200V 300V 300V 6 3V 6 3V 12 6V 12 6V 1M 1M 1M 1M 270 1k 470 470 2k 870 470 2k 680 470 2k 1k 100 1k 300 Same Same Same 200 330 200 10mA 270 680 270 180 470 200 200 470 523 87 5k...
Страница 9: ...cannot provide the larger voltage and current swings that a push pull output stage can Single ended stages can only deliver up to the idle current into a load whereas class A push pull stages can del...
Страница 10: ...d board after all be sure to observe the electrolytic capacitors polarity and glue or tie wrap heavy coupling capacitors to the PCB Let me know what you think If you would like to see some new audio P...
Страница 11: ...8 7 6 3 2 1 R3 R9 R1 C11 R5 R6 R12 R13 R7 C2 C12 in 9 9 B C1 R14 R14 R13 C1 C2 out out out 3 2 1 6 7 8 1 3 2 2 1 3 6 7 8 R1 R3 C11 R2 R5 R7 R11 R8 R4 R6 R12 R15 C6 R16 C5 R9 R10 R10 V1 V2 V4 V3 9 Pin...
Страница 12: ...t 6 4 9 1 2 8 3 7 5 V1 5 7 3 8 2 1 9 4 6 V2 6 4 9 1 2 8 3 7 5 V3 5 7 3 8 2 1 9 4 6 V4 OVERALL PC BOARD DIMENSIONS 4 00 x 10 0 8 MOUNTING HOLE LOCATIONS 2 00 2 75 2 75 2 00 25 25 25 50 1 00 2 00 125R 4...
Страница 13: ...0k 100k 74 7 7 17 7 0 91 0 80 127 37 6H30 150V 30 0 15 9 1040 74 77 7k 100k 65 7 9 18 0 0 92 0 75 124 33 6H30 200V 20 0 15 4 1310 221 77 0k 100k 85 7 7 17 7 0 92 0 68 267 43 6H30 250V 20 0 15 4 1380 2...
