Frog Tube Preamp Fx1

$349.00

The Frog, guitar Tube Preamp Fx1, built by hand, is based on the 1st two stages of the Fender Dual Showman, using exactly the same tube preamp circuit as the iconic Alembic F2b Preamp. Its unique because it is pounds lighter and fits in a small pedal enclosure that can snuggle up with your other pedals on your pedalboard.  Make sure to read the shipping and special International order notes in the product description!

Available on backorder

Description

Taking orders now!

These preamps are built by hand, one by one.  I try to keep some in stock but sometimes I run out.  When you order, I will contact you regarding projected ETA and shipping/handling costs to your location. Shipping costs will be invoiced separately once they are determined. You will be responsible for any taxes, duties for your location.  These will be shipped in a high quality weatherproof tactical case. It will also include (read International orders below) one of the best 9VDC adapters made for guitar effects, the 1 Spot by Truetone.  It can handle from 100-240VAC at 1.7 amps!

Note for International orders:  This device complies with FCC emissions standards in the USA (with the included Ferrite core) and the following International standards:  Industry Canada ICES-003 for class B,  EU CISPR 22 and 32.  Unfortunately for some international locations, I cannot ship with the 1 Spot power adapter with the preamp unit.  (I strongly suggest ordering a 1 Spot power adapter because the emissions testing was completed and verified with that adapter).   The power adapter cost (approx. $20 US) can be credited toward some of the shipping costs (duties and taxes) which will be determined per your specific location.  I will not set the value lower than the actual purchase price.  I want to be able to ship items to your country in the future.  Not including actual purchase prices would jeopardize that.

Description:

The Frog, guitar Tube Preamp Fx1 (single channel) is based on the 1st two stages of the Fender Dual Showman, using exactly the same tube preamp circuit used in the iconic Alembic F2b Preamp. Its unique because it is costs a thousand dollars less, is pounds lighter and fits in a small pedal enclosure that can snuggle up with your other pedals on your pedalboard.  We can do this because of a small but powerful power supply called a “charge pump” that creates almost 200 volts of direct current (DC) to run the vacuum preamp tube at a full Class A operation, all from a standard 9 volt DC 1700ma wall transformer.  What that means is, it performs just like a Fender or Alembic preamplifier section at a much lower price point!  Not to mention the addition of 2 clipping options for warm overdrive or a little bit of fuzz and the warm sound of vacuum tubes.  You can run just about any preamp tube you want as well.  Here is a short list:

  • 12AX7
  • 12AU7
  • 12AT7
  • 12AY7
  • 12BH7a
  • ECC81
  • ECC82
  • ECC83
  • 12Dw7
  • 6n1P – Russian
  • 6n2P – Russian
  • 6CA7

Additional information

Fender Tone Stack

Fender Tone Stack – Default tone stack. Great for guitar and best for Bass Guitar because it offers a more full-range from lows to highs.

Marshall Tone Stack

Marshall Tone Stack – Great for guitar, may not provide the low end that Bass needs. Marshall was all about mids and treble. If you want this tone stack, it is a no-charge special order and may delay your order because I will have to build it to order. The Fx1 product documentation shows the difference in the frequency curves.

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