Table of Contents

Parts

Amplifier Kits

• Amp Maker, a U.K.-based supplier of vacuum tube amplifier kits.
• Ted Weber’s comphrehensive amp kits
• MADAMP
• Guytronix low-watt kits

Parts Suppliers

• Mouser.com
• New Sensor
• Stewart-MacDonald
• Allied Electronics
• Angela Electronics. A good source for Hammond transformers with a much better selection in stock than anyone else. 
• Hoffman Amps
• WASSCO – Soldering stuff
• Triode Electronics
• Parts Express
• Antique Electronic Supply
• Vibroworld
• Das Musikding
• ACK Supply – good prices on Sprague TVA Atom caps
• Caswell Electroplating kits
• Parts Connection
• WEICO Wire
• APEX JR
• Online Metals
• Your Auto Trim Store. All kinds of vinyl useful for cabinets, at good prices.
• GeorgeM Fabric

Surplus

• Excess Solutions
• Sphere Research Test Equipment and Surplus Parts
• MECI surplus
• All Electronics
• Alltronics
• Weird Stuff Warehouse
• The Electronic Goldmine
• Scheeff’s Engineering Sources List
• Bay Area Swaps & Stores
• Hosfelt
• Surplus Sales of Nebraska
• Used Tech Dot Org
• Mark Scheef's Engineering Sources List (archived)

Parts Manufacturers

• Vishay, Vishay/Sprague, Vishay/Dale (resistors, capacitors, pots, etc…)
• Specap Inc. (Formerly Sprague, capacitors)
• Xicon (resistors, capacitors, pots, etc…)
• NKK Switches (switches)
• Hammond (chassis, transformers)
• BC Components
• SB Electronics (film capacitors, guide to decoding 715P caps)
• Nichicon
• Barker MicroFarads
• JJ Electronics
• Svetlana Electron Devices
• Cliff Components
• Precision Electronics (PECS)
• Sowter Audio Transformers
• Heyboer Transformers
• CTS Pots
• CDE Capacitors

Search eBay 

eBay is one of the best places on the internet to find deals on vacuum tubes. You can often find large lots of assorted tubes for low prices if you’re not worried about the most desirable name brands like Mullard or Telefunken. Sometimes you can find them buried in overlooked lots too though.

• 6EU7, [ 12AX7, 12AD7, 12BZ7, 7025 ], 12AT7, 12AY7, 12AV7, [ 12AU7, 5814, 6189, 12BH7 ], 12DW7, [ 6N1P, 6DJ8]
• 12FV7
• [ EF184, 6EJ7 ], EF86, 5879
• 6L6, [ 6K6, 6AR5 ], 6550, 5881
• 6V6, 6CM6, 6AQ5, EL90, 6004, 6005, 6094
• EL34, 6CA7
• [ EL84, 6BQ5 ], [ 6BM8, ECL82 ], [ 6GW8, ECL86 ]
• 6AK6, 6AV6, 6AT6 
• [ 6AU6, 6186, 6AG5, EF96 ], 6CB6, 6EW6
• 6SN7, 6SL7, 5691 
• 6CG7,6FQ7
• nuvistor, 6DS4, 6CW4, 7587, 7586, 6DV4, 6C62, 7895, 8056, 8628
• [ 6J6, ECC91 ]

Guitar

Guitar Parts

• Callaham Guitars
• Warmoth
• USA Custom Guitars
• Allparts
• Stewart MacDonald
• TV Jones Pickups
• Rio Grande Pickups

Guitar Effects & General Electronics

• GEO
• The Guitar Effects FAQ
• Enough Electronics to be Dangerous!
• Aron Nelson’s Stompbox page
• Aron’s StompBox Forums
• JD Sleep’s Guitar Effects Projects

Rotary Speakers

Leslie Speakers

• Unearthing the Mysteries of the Leslie Cabinet – This is a great information link.
• Search eBay for leslie speaker
• An original diagram of a Leslie 122 speaker

Currently Manufactured Rotating Speakers

• The Mahaffay Rotary Wave
• Motion Sound

General & Audio Electronics

• ePanorama.net – a huge archive of basic information. Very useful. ePanorama’s index of Audio Circuits
• technik.net- Lots of filter schematics, check the circuits section
• Replacing caps in old radios a good article to read. Also contains information useful if you’re salvaging parts from old equipment or converting old equipment.

Home Recording

Software

• Recording Apps

  • n-Track Studio
  • Tracktion
  • FL Studio
  • Sonic Foundry ACID
  • Ableton

• Plugins

  • MDA VST

Unsorted

• new Ampage forum
• Raffler AX84 amp
• Dumble Amps at Wikipedia
• github.com/a-wai/ampfactory, a collection of schematics on github.
• The Marshall Origin series now incorporates voltage scaling!
• Project G5

More 1/2 to 1W amps

• Pencil Pusher
• Pencil Pusher II
• HeavyWatter (12AT7) from Ace Pepper Amps
• uTube (archived)
• Marshall One Watt Series, and some info from one of the designers on AX84.
• 1W tube head manufacturing has come to China - the Biyang Wangs VT-1 (1Watt) all tube head, also available on amazon. Here's a review on YouTube, uses a 12AU7 for output. Here's another YouTube review.
• Searching for "1W tube amp" on YouTube shows just how much the industry has embraced low wattage amps since I started on the hobby in the early 2000s.
• Marshall DSL1c and DSL1h are 1W using a 12AU7, and a built-in attenuator.