4 20 0 RobRobinette.com No reverb, no tremolo, single channel, 1 watt AB763 Vibroverb 1 ELL1 127 V5 127 OCTAL 6V6GT 45 1,2,3,4,5,6,7,8,9 CHASSIS V5 127 OCTAL 6V6GT 45 1,2,3,4,5,6,7,8,9 CHASSIS ELL1 127 V1 12AX7 127 B9A 9-Pin Socket 320 1,2,3,4,5,6,7,8,9 CHASSIS Eyelet71 Grommet Cap Can 127 _270 NAME W51 127 THREE true -1 _18 false Board1 127 true TwoPoints SQUARE Eyelet1 Eyelet1 W4 127 TWO true -1 _28 false W4 127 TWO true -1 _28 false Eyelet1 Eyelet1 Eyelet1 W3 127 FOUR true -1 _22 false Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Power DPST 127 SPST VERTICAL Power DPST 127 SPST VERTICAL 2A SB Fuse & Holder 127 Power Transformer 127 Eyelet71 Grommet Eyelet71 Grommet Eyelet39 Eyelet39 Eyelet32 Bolt Eyelet50 Jack 12A Eyelet50 Jack 11 Pad1 ROUND _1 Pad1 ROUND _1 Pad1 ROUND _1 Pad1 ROUND _1 .022uF 630v Bass 127 NAME false Directional false _63V false Tone Slope 127 VALUE false Directional false HALF _4_BAND Tubular Grid Leak 127 VALUE false Directional false HALF _4_BAND Tubular Grid Leak 127 VALUE false Directional false HALF _4_BAND Tubular V2 Cathode 127 VALUE false Directional false HALF _4_BAND Tubular PI Plate Load 127 VALUE false Directional false HALF _4_BAND Tubular W3 127 FOUR true -1 _20 false W3 127 FOUR true -1 _20 false L2 LTP PI false CENTER CENTER DEFAULT L2 PI Tail 1W false CENTER CENTER DEFAULT L2 O false CENTER CENTER DEFAULT L2 Treble false CENTER TOP _270 L2 V2B Grid Leak false CENTER TOP _270 L2 Power Amp false CENTER CENTER DEFAULT L2 PI Cathode false RIGHT CENTER _270 W3 50 FOUR true -1 _22 false W3 127 FOUR true -1 _22 false W27 127 FOUR true -1 _22 false W53 127 FOUR true -1 _22 false V2 12AT7 127 B9A 9-Pin Socket 320 1,2,3,4,5,6,7,8,9 CHASSIS W11 127 FOUR true -1 _22 false W12 127 FOUR true -1 _22 false W27 127 FOUR true -1 _22 false W21 127 FOUR true -1 _22 false W53 127 FOUR true -1 _22 false W35 127 FOUR true -1 _20 false L4 V2 12AX7 false CENTER CENTER DEFAULT L6 Fil 1 false CENTER CENTER DEFAULT L6 Fil 2 false CENTER CENTER DEFAULT L6 Fil 1 false CENTER CENTER DEFAULT L6 Fil 2 false CENTER CENTER DEFAULT L4 V4 6V6GT/6L6/EL34 false CENTER CENTER DEFAULT L1 Push-Pull Power Tubes false CENTER CENTER DEFAULT J3 127 NAME false false W59 127 SEVEN true -1 _18 false W60 127 FOUR true -1 _16 false Preamp Volume 127 _180 LOG ThroughHole false ShaftDown L2 Output Transformer AllenAmps.com TO26 7K:8 & 16 ohms false LEFT CENTER DEFAULT L1 Cathode Follower & Preamp 3 false CENTER CENTER DEFAULT L2 HV Center Tap false CENTER CENTER DEFAULT L1 Safety false CENTER CENTER DEFAULT L4 Black = Hot false LEFT CENTER DEFAULT L4 Green = Safety Ground false LEFT CENTER DEFAULT L1 Ground Bolt false CENTER CENTER DEFAULT L1 6.3V false CENTER CENTER DEFAULT W12 127 FOUR true -1 _22 false L2 Pilot Light false CENTER CENTER DEFAULT L2 To All 6.3V false CENTER CENTER DEFAULT L2 Fil false CENTER CENTER DEFAULT L2 16 Ohm false CENTER CENTER DEFAULT L2 Tip false CENTER CENTER DEFAULT L2 Tip false CENTER CENTER DEFAULT L2 8 Ohm false CENTER CENTER DEFAULT Pad3 ROUND _1 Pad3 ROUND _1 Eyelet71 Grommet Eyelet1 Eyelet1 Eyelet1 Eyelet1 L1 2A Slow Blow Fuse false CENTER CENTER DEFAULT W57 127 THREE true -1 _18 false W9 127 FOUR true -1 _22 false W28 127 FOUR true -1 _20 false W21 127 FOUR true -1 _20 false W21 127 FOUR true -1 _22 false W1 127 THREE true -1 _26 false L1 Power false CENTER CENTER DEFAULT L2 A RobRobinette.com design based on the Marshall JCM800 V3.1a false RIGHT CENTER DEFAULT L4 White = Neutral false LEFT CENTER DEFAULT W1 127 FOUR true -1 _26 false Mid 127 _180 LIN ThroughHole false ShaftDown L1 DPST false CENTER CENTER DEFAULT L4 Power Cord false CENTER CENTER DEFAULT L5 See https://robrobinette.com/RR2104_Master_Volume_Micro.htm false RIGHT CENTER DEFAULT L5 O on caps indicates outer foil false RIGHT CENTER DEFAULT L5 All resistors 1/2 watt 10% unless specified false RIGHT CENTER DEFAULT W3 127 FOUR true -1 _22 false L2 Tone Slope false CENTER CENTER DEFAULT Dot4 Pi Plate Load 127 VALUE false Directional false HALF _4_BAND Tubular 10K 2W 127 NAME false Directional false HALF _5_BAND Standard 6.8K 2W 127 NAME false Directional false HALF _5_BAND Standard W28 127 FOUR true -1 _22 false L1 HV false CENTER CENTER DEFAULT L2 (B+2) false CENTER CENTER DEFAULT W3 127 FOUR true -1 _22 false W3 127 FOUR true -1 _22 false MV 127 _180 LOG ThroughHole false ShaftDown Dot4 V1B Cathode 127 VALUE false Directional false HALF _4_BAND Tubular V1A Cathode 127 VALUE false Directional false HALF _4_BAND Tubular W21 127 FOUR true -1 _22 false .022uF 630v Coupling 127 NAME false Directional false _63V false L2 PI Plate Loads 1W false CENTER CENTER DEFAULT L2 Grid Stopper false CENTER CENTER _270 L2 (B+3) false CENTER CENTER DEFAULT L2 Choke Classictone 40-18032 5H 120ma false LEFT CENTER DEFAULT L1 Primary false CENTER CENTER DEFAULT L2 NFB false CENTER CENTER _270 L2 V2A Cathode false RIGHT CENTER _270 L2 V2A Cathode false RIGHT CENTER _270 L2 O false CENTER CENTER DEFAULT L2 V2A Grid Leak false CENTER CENTER _270 L1 NFB false CENTER CENTER DEFAULT L2 Grid Stopper false CENTER CENTER _270 W51 127 THREE true -1 _18 false W5 127 SEVEN true -1 _18 false false W9 127 THREE true -1 _18 false W9 127 THREE true -1 _18 false W5 127 FOUR true -1 _18 false false Dot4 Dot4 W58 127 THREE true -1 _18 false L2 Choke false RIGHT CENTER DEFAULT L2 Choke false LEFT CENTER DEFAULT L6 Fil 1 false LEFT CENTER DEFAULT L6 Fil 2 false CENTER CENTER DEFAULT W34 127 FOUR true -1 _20 false L2 Dropping false CENTER CENTER _270 NFB 127 VALUE false Directional false HALF _4_BAND Tubular W3 127 FOUR true -1 _20 false L3 JJ 40/20/20/20 500V false CENTER CENTER DEFAULT L2 GND false CENTER CENTER DEFAULT L2 B+1 false CENTER CENTER DEFAULT L2 Dropping false CENTER CENTER _270 W3 127 FOUR true -1 _22 false W3 127 FOUR true -1 _22 false L4 V3 12AX7 false CENTER CENTER DEFAULT L1 LTP Phase Inverter false CENTER CENTER DEFAULT L5 Princeton Reverb Chassis false RIGHT CENTER DEFAULT L2 OT false LEFT CENTER DEFAULT L2 OT false LEFT CENTER DEFAULT W3 127 FOUR true -1 _22 false .1uF 200v AC Shunt 127 NAME false Directional false _63V false Presence 127 _180 LIN ThroughHole false ShaftDown Presence 127 BOTH false Directional false HALF _4_BAND Tubular W39 127 THREE true -1 _26 false W1 127 TWO true -1 _26 false W1 127 THREE true -1 _26 false Poly 127 VALUE false Directional false _63V GND2 DEFAULT DEFAULT L2 O false CENTER CENTER DEFAULT L2 Input Jacks false CENTER CENTER DEFAULT L1 1 false CENTER CENTER DEFAULT L1 2 false CENTER CENTER DEFAULT L1 3 false CENTER CENTER DEFAULT W3 127 FOUR true -1 _20 false Bass 127 _180 LOG ThroughHole false ShaftDown L2 Ground Bolt false CENTER CENTER DEFAULT L1 Output Transformer false CENTER CENTER DEFAULT L1 Choke false CENTER CENTER DEFAULT L1 7K:8 Ohm false CENTER TOP DEFAULT L1 5H 120ma false CENTER TOP DEFAULT L2 Use Star Washer On Presence Pot false CENTER CENTER DEFAULT L4 Safety Slack false LEFT CENTER DEFAULT L2 Y false CENTER CENTER DEFAULT L2 X false CENTER CENTER DEFAULT L2 U false CENTER CENTER DEFAULT L2 O false CENTER CENTER DEFAULT L2 - false CENTER CENTER DEFAULT L2 Ground false CENTER CENTER DEFAULT Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 Eyelet1 W3 127 FOUR true -1 _18 true L1 Output Transformer false CENTER CENTER DEFAULT L2 Warehouse Guitar Speakers 10" or 12" Green Beret false CENTER CENTER DEFAULT W5 127 FOUR true -1 _18 false false Mounting Hole 127 Mounting Hole 127 Mounting Hole 127 Pilot Light 127 DEFAULT 180 Input 2 127 DEFAULT 60 SWITCHED true L1 Drilled New Hole false CENTER TOP DEFAULT L2 Mounting false CENTER CENTER DEFAULT L2 Hole false CENTER CENTER DEFAULT L2 Hole false CENTER CENTER DEFAULT L2 Mounting false CENTER CENTER DEFAULT L2 Hole false CENTER CENTER DEFAULT High Input Jack 127 DEFAULT 60 SWITCHED true W1 127 THREE true -1 _26 false W1 127 FOUR true -1 _20 false W51 127 THREE true -1 _18 false W51 127 THREE true -1 _18 false W5 127 FOUR true -1 _18 false false W52 127 THREE true -1 _18 false W5 127 FOUR true -1 _18 false false W51 127 THREE true -1 _18 false Treble 127 _180 LIN ThroughHole false ShaftDown W12 127 FOUR true -1 _22 false W2 127 FOUR true -1 _22 false W2 127 FOUR true -1 _22 false W3 127 FOUR true -1 _22 false V1 12AX7 127 B9A 9-Pin Socket 320 1,2,3,4,5,6,7,8,9 CHASSIS W12 127 FOUR true -1 _22 false W27 127 FOUR true -1 _22 false W53 127 FOUR true -1 _22 false W11 127 FOUR true -1 _22 false Dot4 V1B Cathode 127 VALUE false Directional false HALF _4_BAND Tubular W1 127 THREE true -1 _26 false W1 127 THREE true -1 _26 false Dot4 Mounting Hole 127 Grid Stopper 127 VALUE false Directional false HALF _4_BAND Standard W1 127 THREE true -1 _26 false W1 127 THREE true -1 _26 false L4 V1 12AX7 false CENTER CENTER DEFAULT L6 Fil 1 false CENTER CENTER DEFAULT L6 Fil 2 false CENTER CENTER DEFAULT L1 Cold Clipper & Preamp 1 false CENTER CENTER DEFAULT L2 Grid false CENTER CENTER DEFAULT L2 Plate false CENTER CENTER DEFAULT L2 Cathode false CENTER CENTER DEFAULT L2 Cathode false CENTER CENTER DEFAULT L2 Grid false CENTER CENTER DEFAULT L2 Plate false CENTER CENTER DEFAULT L6 A false CENTER CENTER DEFAULT L6 B false CENTER CENTER DEFAULT L2 V1B Cathode false RIGHT CENTER _270 L2 V1A Cathode false RIGHT CENTER _270 Input 127 VALUE false Directional false HALF _4_BAND Standard Mounting Hole 127 L2 1 High false CENTER CENTER DEFAULT L2 Ground false CENTER CENTER DEFAULT L2 Chassis false CENTER CENTER DEFAULT L2 Preamp false CENTER CENTER DEFAULT L2 Mounting false CENTER CENTER DEFAULT L2 Hole false CENTER CENTER DEFAULT W11 50 FOUR true -1 _22 false W21 127 FOUR true -1 _22 false .022uF 630v Coupling 127 NAME false Directional false _63V false L2 V1B Plate Load 1W false CENTER CENTER DEFAULT L2 O false CENTER CENTER DEFAULT Treble 127 VALUE false Directional false _63V false W3 127 FOUR true -1 _22 false W11 50 FOUR true -1 _22 false 10K 2W 127 NAME false Directional false HALF _5_BAND Standard .022uF 630v Mid 127 NAME false Directional false _63V false W1 127 THREE true -1 _26 false V1B Cathode 127 VALUE false Directional false HALF _4_BAND Tubular L2 O false CENTER CENTER DEFAULT Bypass 127 VALUE false Directional false _63V true L2 Bypass false CENTER TOP _270 W1 127 TWO true -1 _20 false L2 Use Star Washer On High Input false CENTER CENTER DEFAULT L2 Input false CENTER TOP DEFAULT W3 127 FOUR true -1 _22 false W1 127 THREE true -1 _26 false Attenuator 127 VALUE false Directional false HALF _4_BAND Tubular W1 127 THREE true -1 _26 false W1 127 THREE true -1 _26 false .022uF 630v Coupling 127 NAME false Directional false _63V false L2 O false CENTER CENTER DEFAULT W12 127 FOUR true -1 _22 false Tone Slope 127 VALUE false Directional false HALF _4_BAND Tubular Treble Peaker 127 VALUE false Directional false HALF _4_BAND Tubular Treble 127 VALUE false Directional false _63V false W1 127 THREE true -1 _26 false W1 127 THREE true -1 _26 false W1 127 THREE true -1 _26 false L2 V2A Grid Leak false CENTER CENTER DEFAULT L2 Treble Peaker false CENTER TOP DEFAULT L2 Grid Stopper false CENTER CENTER _270 Treble Peak 127 VALUE false Directional false _63V false W1 127 THREE true -1 _26 false W12 127 FOUR true -1 _22 false J3 127 NAME false false W12 127 FOUR true -1 _22 false L2 Dropping false CENTER CENTER DEFAULT W28 127 FOUR true -1 _22 false W3 127 FOUR true -1 _22 false L2 (B+4) false CENTER CENTER DEFAULT L2 Treble Peaker false CENTER CENTER DEFAULT W21 127 FOUR true -1 _22 false L2 V1A Plate Load 1W false CENTER CENTER DEFAULT Rectifier 127 VALUE false Directional false 1N4007 Rectifier 127 VALUE false Directional false 1N4007 Rectifier 127 VALUE false Directional false 1N4007 Rectifier 127 VALUE false Directional false 1N4007 L2 Solid State false CENTER CENTER DEFAULT L2 Rectifier false CENTER CENTER DEFAULT W3 127 FOUR true -1 _22 false W3 127 THREE true -1 _20 false W3 127 THREE true -1 _20 false L2 (B+3) false CENTER CENTER DEFAULT L2 Preamp Ground Bus false CENTER CENTER DEFAULT L2 Tone Stack false CENTER CENTER DEFAULT W11 127 SEVEN true -1 _22 false 22uF 500V 127 NAME false Directional false _63V true L2 2 Low false CENTER CENTER DEFAULT L2 Mounting false CENTER CENTER DEFAULT .022uF 630v Coupling 127 NAME false Directional false _63V false W3 127 FOUR true -1 _22 false .022uF 630v Coupling 127 NAME false Directional false _63V false V4 Grid Leak 127 VALUE false Directional false HALF _4_BAND Tubular W3 127 FOUR true -1 _22 false W1 127 THREE true -1 _26 false W1 127 THREE true -1 _26 false W3 127 FOUR true -1 _22 false W3 127 FOUR true -1 _22 false W3 127 FOUR true -1 _22 false W3 127 FOUR true -1 _22 false 1K 5W 127 NAME false Directional false HALF _5_BAND Standard W1 127 THREE true -1 _26 false W1 127 THREE true -1 _26 false L2 Grid Leaks false CENTER CENTER DEFAULT L2 B+2 false CENTER CENTER DEFAULT L2 B+3 false CENTER CENTER DEFAULT L2 B+4 false CENTER CENTER DEFAULT L2 Screen false LEFT CENTER DEFAULT L2 Screen false LEFT CENTER DEFAULT L2 O false CENTER CENTER DEFAULT L2 O false CENTER CENTER DEFAULT V5 Grid Leak 127 VALUE false Directional false HALF _4_BAND Tubular Metal Film 127 VALUE false Directional false HALF _5_BAND Standard Carbon Comp 127 VALUE false Directional false HALF _4_BAND Tubular Metal Oxide 127 VALUE false Directional false HALF _5_BAND Standard Plate Load 127 VALUE false Directional false HALF _5_BAND Standard Plate Load 127 VALUE false Directional false HALF _5_BAND Standard Plate Load 127 VALUE false Directional false HALF _5_BAND Standard PI Tail 127 VALUE false Directional false HALF _5_BAND Standard W3 127 FOUR true -1 _22 false L4 V5 6V6GT/6L6/EL34 false CENTER CENTER DEFAULT L2 For 6L6 and EL34 use 16 ohm tap with 8 ohm speaker false LEFT CENTER DEFAULT L2 For 6V6 use 8 ohm tap with 8 ohm speaker false LEFT CENTER DEFAULT L2 Metal Film false LEFT CENTER DEFAULT L2 Carbon Composition false LEFT CENTER DEFAULT L2 Metal Oxide false LEFT CENTER DEFAULT L2 Mounting false CENTER CENTER DEFAULT L2 (B+5) false CENTER CENTER DEFAULT L2 B+5 Filter false CENTER CENTER DEFAULT L6 Fil 1 false CENTER CENTER DEFAULT L6 Fil 2 false CENTER CENTER DEFAULT L6 Fil 1 false CENTER CENTER DEFAULT L6 Fil 2 false CENTER CENTER DEFAULT L2 Cathode false LEFT CENTER DEFAULT L2 Plate false LEFT CENTER DEFAULT L2 Screen false LEFT CENTER DEFAULT L2 Grid false LEFT CENTER DEFAULT L2 Cathode false LEFT CENTER DEFAULT L2 Plate false LEFT CENTER DEFAULT L2 Screen false LEFT CENTER DEFAULT L2 Grid false LEFT CENTER DEFAULT L2 JCM800 & 2104 false CENTER CENTER DEFAULT L4 Power Transformer false CENTER CENTER DEFAULT L40 AllenAmps.com TP25 false CENTER CENTER DEFAULT L1 310-0-310VAC 150ma false CENTER CENTER DEFAULT 1K 5W 127 NAME false Directional false HALF _5_BAND Standard Bias Balance 127 DEFAULT LIN ThroughHole true ShaftUp 50uF 100v 127 NAME false Directional false _63V true W51 127 FOUR true -1 _18 false W3 127 FOUR true -1 _22 false Bias 127 DEFAULT LIN NAME FLAT_SMALL W3 127 FOUR true -1 _22 false GND1 DEFAULT DEFAULT W1 127 THREE true -1 _26 false W1 127 THREE true -1 _26 false 470 2W 127 NAME false Directional false HALF _4_BAND Standard W3 127 FOUR true -1 _22 false Bias 127 VALUE false Directional false HALF _5_BAND Standard Bias 127 VALUE false Directional false HALF _5_BAND Standard Max Bias 127 VALUE false Directional false HALF _5_BAND Standard L2 Bias -35V false CENTER CENTER DEFAULT L2 Note Polarity false CENTER CENTER DEFAULT L2 Bias false CENTER CENTER DEFAULT L2 Bias Filter false CENTER CENTER DEFAULT L2 Max Bias false LEFT CENTER DEFAULT L2 Bias & Balance false CENTER CENTER DEFAULT L2 50KL Bias Trim Pot false RIGHT CENTER DEFAULT L2 <- Grounded to pot false LEFT CENTER DEFAULT L2 <- Grounded to pot false LEFT CENTER DEFAULT L2 Clockwise = Hotter Bias false RIGHT CENTER DEFAULT L2 Use star washer to ensure ground false LEFT CENTER DEFAULT L1 50V Bias false LEFT CENTER DEFAULT L2 1W false CENTER CENTER DEFAULT L2 B+ false CENTER CENTER DEFAULT L2 6.3V Center Tap false CENTER CENTER DEFAULT W3 127 FOUR true -1 _22 false L2 + false CENTER CENTER DEFAULT L2 OT Center Tap false LEFT CENTER DEFAULT L2 Hole false CENTER CENTER DEFAULT Bright 127 VALUE false Directional false _63V false W15 127 THREE true -1 _26 false W16 127 THREE true -1 _26 false L7 Bright Cap false CENTER CENTER DEFAULT Eyelet2 Eyelet3 Bleeder 127 VALUE false Directional false HALF _5_BAND Standard W18 127 THREE true -1 _26 false Divider 127 VALUE false Directional false HALF _4_BAND Standard W19 127 THREE true -1 _26 false L8 Bleeder/Divider false CENTER TOP _270 10uF 100V 127 NAME false Directional false _63V true W20 127 THREE true -1 _26 false L9 Elevation false CENTER CENTER DEFAULT L10 65V Heater false CENTER CENTER DEFAULT W6 127 THREE true -1 _26 false L2 (B+4) false CENTER CENTER DEFAULT W3 127 FOUR true -1 _18 true 1N4007 127 NAME false Directional false L2 Bias Rectifier false CENTER CENTER DEFAULT W7 127 FOUR true -1 _22 false 5.6K 2W 127 NAME false Directional false HALF _5_BAND Standard 5.6K 2W 127 NAME false Directional false HALF _5_BAND Standard W8 127 FOUR true -1 _20 false Ice Pick 127 VALUE false Directional false _63V false W10 127 THREE true -1 _26 false W13 127 THREE true -1 _26 false Stability 127 VALUE false Directional false _63V false W14 127 THREE true -1 _26 false W17 127 THREE true -1 _26 false PI Stability 127 VALUE false Directional false false _63V L2 Ground false CENTER CENTER DEFAULT L11 Attenuator false CENTER TOP DEFAULT L12 Ice Pick false CENTER CENTER _270 L13 Attenuator false CENTER TOP DEFAULT L14 Stability false LEFT CENTER DEFAULT L15 Overdrive and Tone Tweaks false CENTER CENTER DEFAULT L2 PI Stability false CENTER CENTER DEFAULT 2