Weber Speakers 5F1 Amp Kit

The Weber Speakers 5F1 Amp Kit is based on the legendary Fender Tweed Champ® of the late 50s, hundreds of great solos were recorded through these great little tube amps, most likely because Champs distort so nicely when cranked up to 12…

Weber Speakers 5F1 Amp Kit
Weber Speakers 5F1 Amp Kit

The Weber Speakers Tweed Champ 5F1 kit is a great sounding amp, quite easy to build if you follow the provided informations, plus you will get all the parts needed at the same time and you can still upgrade you amp later on.

The cabinet is manufactured with finger-jointed 3/4″ pine. Baffle is 3/8″ Baltic birch. lacquered tweed covering and oxblood grill cloth.

Tweed Champ 5F1 front panel
Tweed Champ 5F1 front panel

Tweed Champ 5F1 Assembly

The Weber Speakers 5F1 layout and schematic (Weber Speakers Version) can be found on their website, it’s a simple singled-ended tube amp circuit but anyone attempting to build a tube amp should read this: About making guitar tube amps

Weber Speakers Tweed Champ 5F1 kit with Mercury Magnetics transformers and upgraded parts.
Weber Speakers Tweed Champ 5F1 kit with Mercury Magnetics transformers and upgraded parts.

Tweed Champ 5F1 Upgrades

  • Weber Speakers amp cabinet, amp chassis and eyelet board.
  • Mercury Magnetics Power and Output Transformers.
  • Sprague and F&T Capacitors, vintage style carbon resistors.
  • NOS 5Y3GT Tube Rectifier, Tung Sol Reissue 6V6 Power Tube, Mullard Reissue 12AX7 Preamp Tube.
  • Belton Tube Sockets, Switchcraft Jacks and CTS Potentiometer.
Tweed Champ 5F1 Mercury Magnetics Power and Output Transformers
Tweed Champ 5F1 Mercury Magnetics Power and Output Transformers

Mercury Magnetics Power and Output Transformers

Notice that using the FTCP-59 Power Transformer will require to create a center tap with two 100 Ohm resistors on the 6,3V Winding, like shown on the picture above (100 Ohm resistors soldered on the pilot lamp).

Mercury Magnetics Tweed Champ Power Transformers

My Tweed Champ Clone Output Transformer is a Mercury Magnetics FTCHO-5M, the 8 Ohm Output Tap is great when using a 12″ 8 Ohm external speaker cabinet.

Mercury Magnetics Tweed Champ Output Transformers

Weber Speakers Vintage Series AlNiCo 8" Speaker
Weber Speakers Vintage Series AlNiCo 8″ Speaker

Tweed Champ 5F1 Speakers

Weber Speakers Vintage Series AlNiCo 8″ Speakers

Weber Speakers Signature Series 8″ Speakers


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