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Summary of Contents for Mojotone Tweed Deluxe 5E3
- Page 2 EQs. sounds for the likes of Billy Gibbons, Neil Young, Don Felder, and Larry The Mojotone amp kit is designed to give Carlton. you the joy of building a quality amp that will have the look, sound, and feel Utilizing two 6V6 power tubes, one of legends.
- Page 3 Copyright © 2024 Mojotone, LLC All content included in this book including text, graphics and images is the property of Mojotone, LLC and protected by U.S. and international copyright laws. The collection, arrangement and assembly of all content in this book is the exclusive property of Mojotone, LLC and protected by U.S.
- Page 4 INTRODUCTION his amplifier kit wiring and assembly are based on the same construction methods that the original designers used 50+ years ago. This vintage method of assembly is a “hands-on” experience. You should take your time when assembling the kit. It’s always exciting as you get closer to finishing the build, but this is where errors will normally occur.
- Page 5 12AX7 SEC T ION 2: INVENTORY *optional based on order (1) solid pine cabinet* (1) Mojotone Anthem 12” 50W Speaker 8Ω (1) chrome chassis GZ34S 12AX7 12AT7 (1) Mojo 756 power transformer (1) Mojo 768 output transformer (1) eyelet board & backer board...
- Page 6 ’’ screw & keps nuts watt 1.5K 25 uF (2) 6-32 x ’’ screw & keps nuts watt 22K (3) Mojotone Electrolytic KingCap watt 56K 25µf @50v (2) 10-32 x 1 ’’ screw & keps nuts watt 68K WIR E S...
- Page 7 TOLERANCE Black 1Ω The resistors that are included in your Brown 10Ω ± 1% Mojotone kit, all use the 4-band resistor color 7 x 10,000 = 100Ω ± 2% code for determining their values. The easiest 470,000 Ω Orange 1KΩ...
- Page 8 SECTION 6: SOLDERING BASICS efore you start slinging solder in your kit SOLDE RING A C ON N E CTION or if you have never soldered before, take ○ Connect the components together. Be a moment to read over this section about sure you have a solid mechanical connection soldering.
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Page 9: Chassis Assembly
When mounting the pots, make sure P R O TIP : the toothed locking washer goes between the potentiometer and the chassis. The flat washer will go on the outside of the chassis and the nut will tighten down. fuse holder assembly WWW.MOJOTONE.COM... - Page 10 ○ Once you have the pots securely installed, power switch assembly turn the shaft of the pot all the way counter- clockwise. Install the chicken head knob on each pot, making sure the pointer of the knob is pointing to “1” on the chassis. Use a small flat head screwdriver to tighten the set screw in the back of the knob securely on the pot shaft.
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Page 11: Circuit Board Assembly
Yellow Yellow cloth-covered wire and cut each piece to size. Insert leads and bend around front of eyelet board to secure them. Make a small hook with the wire so that PRO Tip: the wire “hooks” into the eyelet. WWW.MOJOTONE.COM... - Page 12 ○ Once jumper wires are in place, follow wiring diagram to create leads where necessary. These will be the wires that go out from the component board to other components in the circuit. Insert these leads down through the front of the board and bend around back to secure.
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Page 13: Transformer Wiring
○ Prepare the Black wire coming from the power transformer and connect it to the ring terminal of the fuse holder. WWW.MOJOTONE.COM... - Page 14 ○ Connect the Black wire to the bottom left on the power switch. ○ The White White wire from the transformer will go to the bottom right of the power switch. ○ Double check your wiring. O UTPUT TR ANS FORMER ○...
- Page 15 ○ Repeat with main component board. ○ Use the 6-32 keps nuts and hand tighten screws. Once in place, fasten down the screws and nuts using a screwdriver and adjustable wrench. backer board WWW.MOJOTONE.COM...
- Page 16 S E CT ION 11: WIRING THE SOCKETS, POTS, JACKS & POWER CORD W IRI N G THE TU BE SOCKETS ○ On the back of both power tube sockets, connect a 1.5K 1⁄2 watt resistor between pin 5 and pin 6. ○...
- Page 17 Since there is a jumper wire PR O TIP: connected to the 5 pin of each pre-amp tube socket, you can achieve the jumper by stripping the wire running to the 4 pin back further, running it through to the 5 pin. WWW.MOJOTONE.COM...
- Page 18 IN STALLING & WIRI NG THE A / C POWE R C ORD ○ Strip about 5” of the outer insulation of the power cord. ○ Insert stripped wires through the hole in the bottom left corner of the chassis next to the rectifier tube.
- Page 19 ○ Finger tighten the mounting speaker screws starting with the top left screw, tighten with a screwdriver, then tighten the screw diagonally from it. Then tighten the remaining screws in the same way. WWW.MOJOTONE.COM...
- Page 20 SEC TION 13: INITIAL CHASSIS TESTING ○ Ensure all solder joints and connections ○ Check the voltage on pin 5 of each 6V6 are good. tube. Ensure the voltage reading is near 0V +/- 50mV to avoid “red-plating” of the tubes. ○...
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Page 21: Chassis Installation
○ Install the cord strain relief to the side of the cabinet using #6 screw. ○ Install tubes and tube shields. ○ Install the upper and lower back panels. Do not over-tighten the screws. WWW.MOJOTONE.COM... -
Page 22: Sound Test
All About Vacuum Tube Guitar Amplifiers by Gerald Weber Truly must read books by Gerald Weber for any amp tech. You can purchase these at Mojotone.com. ○ The Tube Amp Book By Aspen Pitman. A great resource for schematics and basic tube info. - Page 23 Using unconventional means to work on your amplifier chassis can be a real pain, and cause unwanted frustration. We here at Mojotone decided we’ve had enough and created our take on the bench-top repair stand. The final outcome is the item listed above, the Mojotone Amplifier Chassis Stand.
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