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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. >

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:
Transformers, Choke - Click here for more info
Tubes: (4)KT66, (3)12ax7

Chassis

MetroAmp JTM45/100 Chassis $95.00
 

Panels

MetroAmp

MetroAmp panels are supplied undrilled unless they are ordered with a chassis
MetroAmp JTM45/100 panel set $55.00
 
MetroAmp JTM45 front panel only$30.00
 
MetroAmp JTM45/100 back panel only$30.00
 

Custom

JTM45 Style face plate
Panel is supplied undrilled unless ordered with a chassis
$35.00
 
JTM45 style face panel from Sparky $35.00
 
JTM45/100 Custom back panel
Contact Us to discuss serial number!.
$55.00+ Contact us

Boards

MetroAmp JTM45/100 PTP Board Set
Fully perfed. Made of heavier 1/8" material.
$50.00
 

Mechanicals

The things you need to bolt down to get started!

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
$1.50 pkg of 10
 
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
 
8 Pin Cliff Socket - Set of 4
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".
$23.50
 
8 Pin Amphenol Style Socket - Set of 4
For older Metro 12 series and JTM45/100 chassis
Bottom mount = 1 1/8", top mount is 1 1/4", 1 1/2" mounting centers.
$74.95
 
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 Accessories

Your 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!

1K 7watt Welwyn W22 Wirewound Resistor
For that cool classic look!
$2.95
 
1K 5watt Ohmite$2.50
 
1K 5watt Xicon Wirewound Resistor
Lower cost alternative!
$0.75
 

Switches - Power and Standby

Get one SPST and one DPST

Carling

SPST Switch
3A @250V, 6A @125V; 1/2" mounting hole.
$3.95
 
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$32.95
 
Marshall New "Modern" Voltage Selector$29.95
 

Indicator Lamp

120v Amber Indicator
$9.95
 

FuseHolder - Internal Mount

Internal chassis mount fuseholder

Internal chassis mount fuseholder
for 1.25" x 0.25" fuses
$2.50
 

FuseHolder - Panel Mount

Only 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

Strain relief for SVT cord
1/2" opening
$0.50
 
New! Locking strain relief for SVT cord
fits 1/2" opening
$1.50
 
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
 

Power Board Components

Filter Capacitors - pick seven of one type

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
 
BC 33uf Axial 450v
30mm x 18mm
$9.95
 
BC 33uf Axial 450v
Newer light blue coloring
$9.00
 
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

Top Hat Diode
1000v 1Amp
$2.95
 
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

Rifa 22uf Axial 400v
37x16mm
$12.00 Out of stock
 
Rifa (Kemet labeled) 22uf Axial 450v
27x20mm
$7.00
 
BC 22uf Axial 450v
30x15mm
$6.95
 
F&T Dual 33uf/33uf Axial 450v
Dickinson spec requires a dual cap setup here
$9.95
 

Marshall Components Kit

The small components needed to complete the kit!

Resistors: All 1 watt and 2 watt resistors included (5 watt screen socket resistors not 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)
Diodes: (5) 1N4007
25k trimmers: (1) Vertical, (1) Horizontal
The ValveStorm version of the kit(s) substitute 1 watt Carbon Film resistors with longer leads for some of the 2 watt Metal Oxides. Provided resistors list: Kit resistor Comparison
Brands and types provided may vary depending upon availability
M
MetroAmp Kit Options
ValveStorm Kit Options

Alternate Electrolytics - Select "No Aluminum Caps" from the kit above

Cathode Bypass Capacitors - Pick one for the Normal channel

Rifa 220uf axial 25v
20mm x 13mm
$9.00
 
Rifa 220uf axial 40v
20mm x 13mm
$4.75
 
BC Components 220uf axial 25v
Fatter Package (18mm x 10mm)
$4.00
 
BC Components 220uf axial 25v $2.00
 
Sprague Atom 250uf axial 25v $4.25
 

Bias Capacitors - Pick two of the same type

Rifa (Kemet labeled) 10uf axial 200v
29mm x 10mm
$4.25
 
Nichicon 10uf axial 250v $1.60
 
BC Components 10uf axial 250v
25mm x 10mm
$4.95Out of stock
 
BC Components 10uf axial 250v - Newer dark blue
25mm x 10mm
$2.50
 

Jacks

Old Style Cliff Jack
with metal ring
Made in the UK. Not chinese knockoffs.
About "counterfeit" Cliff jacks
$2.25
 
Old Style Cliff Jack
with metal ring
Distributed by Cliff USA. Manufactured in Asia.
$2.25
 

Potentiometers - pick one

CTS Pot Amp Set

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

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 Capacitors

Additional 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.
Mallory .022uf 630v (yellow case)$1.00
M
 
Mallory .1uf 630v (yellow case)$1.25
M
 

Carbon Composition Resistors - Optional

Additional resistor choices - click here: More Carbon Comps

1/2 watt

820 ohm 5% - Long leads$2.00
 
820 ohm 5% - Long leads
Milspec (extra yellow stripe)
$2.00Out of Stock
 
1.5K ohm 5% - Long leads$1.25
 
15K ohm 5% - Long leads$1.00
 
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
 
68K ohm 5% - Long leads
MilSpec (has extra yellow stripe)
$0.75
 
82K ohm 5% - Long leads$1.50
 
100K ohm 5% - shorter leads$3.00
 
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
 
470K ohm 10% - Short leads$1.00
 
1meg ohm 5% - Long leads$1.75
 
1meg ohm 5% - Short leads$1.25
 

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

Genuine Marshall
Set-screw knob pkg of 8
The price in these just went up!
$28.00
M
 
Set-screw knob pkg of 8
Low profile knobs(0.6") with light gold colored caps.
$11.95
 

Fuses

Fast Blow

1 amp AGC - Fast Blo
.25" x 1.25"
$0.65
 
2 amp AGC - Fast Blo, Mains Fuse (240v)
.25" x 1.25"
$0.65
 
4 amp AGC - Fast Blo, Mains Fuse (120v)
.25" x 1.25"
$0.65
 

Slow Blow

1 amp AGC - Slo Blo
.25" x 1.25"
$0.70
 
2 amp AGC - Slo Blo, Mains Fuse (240v)
.25" x 1.25"
$0.70
 
4 amp AGC - Slo Blo, Mains Fuse (120v)
.25" x 1.25"
$0.70
 

Chassis Mounting Bolts

Chassis Mounting Bolts. Qty.4$3.95
 

Important News

ValveStorm IS OPEN and shipping orders daily!

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