JTM 45/100 Build Checklist
A check list for the parts you need for your JTM 45/100 build.
The list is roughly in the order you will need the parts.
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.
There are options available for some parts. Read each section carefully, adjust the quantities if needed; and add the items to your cart.
Prerequisites | |||
| These are the things you need to acquire ahead of time: Transformers, Choke - Click here for more info Tubes: (4)KT66, (3)12ax7 | |||
Chassis | |||
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MetroAmp JTM45/100 Chassis | $95.00 | |
Panels | |||
Sets | |||
| MetroAmp JTM45/100 panel set MetroAmp panels are supplied undrilled unless they are ordered with a chassis. |
$55.00 | ||
Individual | |||
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JTM45 style face panel from Sparky Has vintage correct panel markings |
$35.00 | |
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MetroAmp JTM45/100 back panel |
$30.00 | |
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JTM45/100 Custom back panel Contact Us to discuss serial number!. |
$55.00 | |
Boards | |||
 | MetroAmp JTM45/100 PTP Board Set Fully perfed. Made of heavier 1/8" material. | $50.00 | |
MechanicalsThe things you need to bolt down to get started! | |||
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3/8" Rubber Grommet for 3/8" chassis opening, 9/32" inside diameter |
$0.25 | |
| 1/2" Rubber Grommet for 1/2" chassis opening, 3/8" inside diameter | $0.35 | ||
 | 2 Hole Solder lug #6 internal tooth | $1.20 pkg of 10 | |
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New Plexi Amp Hardware Kit More Hardware for amp with laydown power transformers All bolts have round heads Large bolts:(6) 1/2" #10,(4) #8 Nuts/washers for PT Small bolts:(6) 1/2",(6) 3/8" - #4 size | $16.45 |  |
New! 8 Pin Cliff Socket Will fit the older Metro 12 series and JTM45/100 chassis Minimum mounting hole size is 1.125", will work with mounting centers 1.45" to 1.6". | $5.95 |
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8 Pin Amphenol Style Socket This is what the original Metro kits/build used. Have gotten more expensive. Bottom mount = 1 1/8", top mount is 1 1/4", 1 1/2" mounting centers. | $17.95 | |
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9 Pin Micalex Socket with shield base Fits 3/4" chassis hole. 1 1/8" mounting centers. | $2.95 | |
| Shield for 9 pin socket | $1.95 | ||
Wire and Wiring AccessoriesYour going to need these things... make sure you have them now! | |||
 | Plexi Amp Wiring Kit
12 feet of Red and Black. 7 feet each of Brown, Orange, Yellow, Green, Blue, Purple and White. | $14.55 | |
 | 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 | |
Wiring Tube Sockets and Transformers | |||
Screen Socket Resistors - Pick a style and get four of these! | |||
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1K 7watt Welwyn W22 Wirewound Resistor For that cool classic look! | $2.95 | |
 | 1K 5watt Ohmite | $2.50 | |
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1K 5watt Xicon Wirewound Resistor Lower cost alternative! | $0.75 | |
Switches - Power and StandbyGet one SPST and one DPST | |||
Carling | |||
 | SPST Switch 3A @250V, 6A @125V; 1/2" mounting hole. | $3.50 | |
 | DPST Switch 3A @250V, 6A @125V; 1/2" mounting hole. | $9.95 | |
Torotor | |||
 | Torotor Style SPST Switch | $12.00 | |
 | Torotor Style DPST Switch | $16.00 | |
Switches - Selectors | |||
 | Marshall New Style Impedance Selector | $19.95 | |
 | Marshall New "Modern" Voltage Selector | $36.00 | |
Indicator Lamp | |||
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120v Amber Indicator | $9.95 | |
FuseHolder - Internal Mount | |||
Internal chassis mount fuseholder | |||
 | Internal chassis mount fuseholder for 1.25" x 0.25" fuses | $1.50 | |
FuseHolder - Panel MountOnly one required because the other fuse is mounted internally | |||
For 5/8" holes - Two similar ones available... | |||
 | Panel Mount Fuseholder for 1.25" x 0.25" fuses 5/8" mounting hole | $3.00 | |
| Panel Mount Fuseholder as used in Metro amps for 1.25" x 0.25" fuses 5/8" mounting hole | $7.00 | ||
For 5/8" holes with Double-D shape (Ceriatone) | |||
 | Panel Mount Fuseholder for 1.25" x 0.25" fuses Fits 5/8" mounting hole with Double-D shape Fits Ceriatone chassis | $2.50 | |
For 1/2" holes | |||
 | Panel Mount Fuseholder for 1.25" x 0.25" fuses 1/2" mounting hole | $2.50 | |
Power Cords | |||
Modern IEC type connector and cords | |||
 | IEC Receptacle | $1.75 | |
| New! IEC punch service for aluminum chassis 28mm x 21mm rectangular cutout | $5.00 | ||
 | 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 | |||
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Strain relief for SVT cord 1/2" opening | $0.50 | |
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New! Locking strain relief for SVT cord fits 1/2" opening | $1.50 | |
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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 | ||
Power Board Components | |||
Filter Capacitors - pick seven of one type | |||
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Rifa 33uF 450V Capacitor NOS - Reformed and ready to go 37mm x 20mm | $12.00 | |
 | >
Rifa (Kemet labeled) 33uF 450V Capacitor 37mm x 20mm | $5.95 | |
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BC 33uf Axial 450v 30mm x 18mm | $9.95 | |
 | BC 33uf Axial 450v Newer light blue coloring | $9.00 | |
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F&T Axial 30uf 500v .99" diameter x 1.48" length | $7.50 | |
Snubber Capacitors - pick one type | |||
| Duolectric .05uf | |||
| Mojo Dijon .1uf 630v | $2.25 | ||
Diodes - (6) for the power board, (1) for the bias | |||
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Top Hat Diode 1000v 1Amp | $2.95 | |
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1N5408 Diode 1000v 3Amp | $0.35 | |
| UF5408 Diode Ultra-Fast Recovery 1000v 3Amp | $0.50 | ||
Preamp Board Capacitors - Pick one style | |||
Filter Capacitor(s) - Pick one style | |||
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Rifa (Kemet labeled) 22uf Axial 450v 27x20mm | $7.00 | |
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BC 22uf Axial 450v 30x15mm | $6.95 | |
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F&T Dual 33uf/33uf Axial 450v Dickinson spec requires a dual cap setup here | $9.95 | |
Marshall Components KitThe small components needed to complete the kit! | |||
 | Resistors: All 1 watt and 2 watt resistors included Silver Mica Caps: (3) 500pf, (1) 250pf, (1) 100pf, (1) 47pf Small Electrolytic Caps: (2)10uf bias and (2)cathode bypass ((1)330uf and (1)220-250uf) Brands and types provided may vary depending upon availability | ||
Alternate Electrolytics - Select "No Aluminum Caps" from the kit above | |||
Cathode Bypass Capacitors - Pick one for the Normal channel | |||
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Rifa 220uf axial 25v 20mm x 13mm | $9.00 |
|
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Rifa 220uf axial 40v 20mm x 13mm | $4.75 |
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 | BC Components 220uf axial 25v | $2.00 | |
 | Sprague Atom 250uf axial 25v | $4.25 | |
Bias Capacitors - Pick two of the same type | |||
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Rifa 10uf axial 200v 29mm x 10mm | $4.75 |
|
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BC Components 10uf axial 250v 25mm x 10mm | $4.95 | Out of stock |
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BC Components 10uf axial 250v - Newer dark blue 25mm x 10mm | $2.50 | |
 | Xicon 10uf axial 160v | $1.00 | |
Jacks | |||
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Old Style Cliff Jack with metal ring Made in the UK. Not chinese knockoffs. About "counterfeit" Cliff jacks | $2.25 | |
Potentiometers - pick one | |||
CTS Pot Amp Set | |||
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5/16" bushing lengths, 3/8" brass shafts Volume: (2) 1m audio Additional pot sets Treble: (1) 250k linear Mid: (1) 25k linear Bass: (1) 1m audio Presence: (1) 5k linear | $28.95 | |
Alpha Pot Amp Set | |||
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Volume: (2) 1m audio Additional pot sets Treble: (1) 250k linear Mid: (1) 25k linear Bass: (1) 1m audio Presence: (1) 5k linear | $8.95 | |
Coupling CapacitorsAdditional choices - click here: More Coupling Caps | |||
Synergy Royal Mustards Capacitors | |||
 | Synergy Royal Mustards .022uf 500v | $4.00 | |
| Synergy Royal Mustards .1uf 500v | $5.70 | ||
Mallory 150 Capacitors | |||
| Note: Picture does not indicate actual capacitor. Capacitors are yellow unless otherwise idicated. | |||
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Mallory .022uf 630v (yellow case) | $0.75 M | |
| Mallory .1uf 630v (yellow case) | $1.00 M | ||
Carbon Composition Resistors - OptionalAdditional resistor choices - click here: More Carbon Comps | |||
1/2 watt | |||
 | 820 ohm 5% - Long leads | $2.00 | |
 | 1.5K ohm 5% - Long leads | $1.25 | |
 | 15K ohm 5% - Long leads | $1.00 | |
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33K ohm 5% - Long leads Some specs use this with a lead tone stack | $1.00 | |
 | 56K ohm 5% - Long leads | $1.25 | |
 | 68K ohm 5% - Long leads | $2.75 | |
 | 82K ohm 5% - Long leads | $1.50 | |
 | 100K ohm 5% - long leads | $3.00 | |
 | 220K ohm 5% - Long leads | $1.50 | |
 | 270K ohm 5% - Long leads | $1.50 | |
 | 470K ohm 5% - Long leads | $4.00 | |
| 470K ohm 5% - Short leads | $2.00 | |
 | 1meg ohm 5% - Long leads | $1.75 | |
1 watt | |||
 | 8.2k ohm 5% - Long leads | $2.00 | |
 | 10k ohm 10% - Long leads Dickinson Spec uses (2) of these | $2.00 | |
Knobs | |||
Additional knob choices - click here: More Knobs | |||
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Genuine Marshall Set-screw knob pkg of 8 The price in these just went up! | $28.00 M | |
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Set-screw knob pkg of 8 Low profile knobs(0.6") with light gold colored caps. | $11.95 | |
Fuses | |||
Fast Blow | |||
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1 amp AGC - Fast Blo .25" x 1.25" | $0.40 | |
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2 amp AGC - Fast Blo, Mains Fuse (240v) .25" x 1.25" | $0.40 | ||
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4 amp AGC - Fast Blo, Mains Fuse (120v) .25" x 1.25" | $0.40 | ||
Slow Blow | |||
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1 amp AGC - Slo Blo .25" x 1.25" | $0.60 | |
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2 amp AGC - Slo Blo, Mains Fuse (240v) .25" x 1.25" | $0.60 | ||
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4 amp AGC - Slo Blo, Mains Fuse (120v) .25" x 1.25" | $0.60 | ||
Chassis Mounting Bolts | |||
 | Chassis Mounting Bolts. Qty.4 | $3.95 | |
