18watt (Legacy) Build Checklist
New! Our original 18watt build check list designed to complement chassis from other manufacturers.
The list is roughly in the order you will need the parts.
The required quantities are shown next to the default items.
There are options available for some parts. Read each section carefully, adjust the quantities if needed; and add the items to your cart.
The list is roughly in the order you will need the parts.
The required quantities are shown next to the default items.
There are options available for some parts. Read each section carefully, adjust the quantities if needed; and add the items to your cart.
Prerequisites | NOTE: PAYPAL HAS SLOWED DOWN THE RESPONSIVENESS OF THE "ADD TO CART" BUTTONS. WHEN YOU ADD ITEMS TO THE CART, THE PAYPAL CART WILL APPEAR IN A NEW BROWSER TAB OR WINDOW. MAKE SURE THAT THE ITEM YOU ARE ADDING APPEARS IN THE CART BEFORE YOU HIT THE NEXT "ADD TO CART" BUTTON OR ITEMS MAY NOT BE ADDED TO THE CART. | ||
These are the things you need to acquire ahead of time: Chassis Panels Transformers Turret Board | |||
MechanicalsThe things you need to bolt down to get started! | |||
1/4" Rubber Grommet for 1/4" chassis opening, 1/8" inside diameter |
$0.20 | ||
.437" Rubber Grommet for .437" chassis opening, 1/4" inside diameter | $0.30 | ||
![]() | 2 Hole Solder lug #6 internal tooth | $1.20 pkg of 10 | |
2 Hole Solder lug #10 internal tooth | $0.30 each | ||
18watt Amp Hardware Kit | $8.95 | ||
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9 Pin Ceramic Socket Fits 7/8" chassis hole. 1 1/8" mounting centers. | $1.25 | |
9 Pin Ceramic Socket with shield | $2.25 | ||
![]() | EL84 Tube Retainer | $2.25 | |
Chassis Mounted Capacitors | |||
F&T Dual 32uf 500v For mains and screens | $9.95 | ||
Medium Can Clamp 1 3/8" clear anodized | $2.00 | ||
Wire and Wiring AccessoriesYour going to need these things... make sure you have them now! | |||
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18watt Amp Wiring Kit 6 feet of Black, Red and White 3 feet of Blue, Yellow, Orange and Violet | $4.95 | |
22awg Tinned Buss wire | $0.10 per foot | ||
18awg Tinned Buss wire | $0.20 per foot | ||
18awg Sleeving PVC Coated Fiberglass | $0.50 per foot | ||
1/8" Heat Shrink | $0.20 per 4" | ||
1/4" Heat Shrink | $0.25 per 4" | ||
4" Cable Tie Black | $0.50 pkg of 10 | ||
18watt Resistors Kit | |||
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1watt Carbon Film: (5) 100K, (3) 820 OHM, (4) 1M, (7) 470K, (1) 2.2M, (1) 220K, (1) 47K, (2) 8.2K, (2) 68K, (2) 15K Metal Oxide: (1) 8.2K 2W WireWound: (1)100 ohm 3W, (1) 125 ohm & 1.5k ohm 5W | $7.50 | |
18watt Capacitors Kits - pick one | |||
Orange Drops or Sozos: (1).022uf, (4).0047uf, (4).01uf, (1).047uf Sprague Atoms: (1)16uf 475v, (1)500uf 50v, (1)25uf 50v, (1)50uf 50v Ceramic Caps: (1)470pf, (3).01uf | |||
![]() | Orange Drop Capacitors | $35.95 | |
Sozo Capacitors | $43.95 | Out of stock | |
Switches and Power | |||
![]() | Rotary Switch 3-Pole 2-4 Positions | $5.95 | Unavailable |
SPST Switch 3A @250V, 6A @125V; 1/2" mounting hole. | $3.95 | ||
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120v Amber Indicator | $9.95 | |
Panel Mount Fuseholder for 1.25" x 0.25" fuses 5/8" mounting hole | $3.00 | ||
Power Cords | |||
Modern IEC type connector and cords | |||
IEC Receptacle | $1.75 | ||
8 foot Power Cord with IEC female end SVT (Marshall type) 18 awg. | $4.95 | ||
12 foot Power Cord with IEC female end SVT (Marshall type) 18 awg. | $6.95 | ||
Bare End cords and strain relief | |||
Strain relief for SVT cord 1/2" opening | $0.50 | ||
8 foot Power Cord, 18 AWG, 3 Conductor, Black Bare end SVT type | $4.95 | ||
12 foot Power Cord, 18 AWG, 3 Conductor, Black Bare end SVT type | $6.95 | ||
Jacks | |||
Front panel | |||
Old Style Cliff Jack with metal ring Made in the UK. Not chinese knockoffs. About "counterfeit" Cliff jacks | $2.25 | ||
Back panel - for speaker and tremolo switching if required | |||
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Old Style Cliff Jack with plastic ring Made in the UK. Not chinese knockoffs. | $2.25 | |
TremoloTremolo head amps may require this switching | |||
![]() | Small DPDT Switch.jpg | $2.75 | |
![]() | LED Holder | $2.50 | |
Potentiometers | |||
Alpha | |||
![]() | 500K Audio Taper | $1.95 | |
1K Linear Taper | $1.95 | ||
2M Linear Taper | $1.95 | ||
Knobs | |||
Set-screw knob pkg of 8 Low profile knobs(0.6") with light gold colored caps. | $11.95 | ||
![]() | For impedance selector (if required) | $1.50 | |
Fuses | |||
Fast Blow | |||
2 amp AGC - Fast Blo .25" x 1.25" | $0.40 | ||
Slow Blow | |||
2 amp AGC - Slo Blo .25" x 1.25" | $0.60 |