SKU: 47204482999

JFT Class-A Transistor Colour

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Description

JFT Class-A Transistor ColourThick, musical saturation that shines on any source. Part of the magic of vintage solid state gear is that, because transistors were expensive, they used as few as possible, so each one had to work harder. And when transistors are pushed to their limits, they begin to distort in beautiful ways. The JFT Colour is designed by this philosophy: choose great sounding transistors and then make them work very hard. The JFT employs two class A saturation

Thick, musical saturation that shines on any source.

Part of the magic of vintage solid-state gear is that, because transistors were expensive, they used as few as possible, so each one had to work harder. And when transistors are pushed to their limits, they begin to distort in beautiful ways. The JFT Colour is designed by this philosophy: choose great-sounding transistors and then make them work very hard.

The JFT employs two class-A saturation stages to create a complex, layered character. In the first stage, a NOS JFET generates asymmetrical distortion, clipping the bottom of the waveform but not the top. This type of saturation, which is associated with triode tubes, thickens and warms up the signal while maintaining its integrity. In the second stage, five transistors form a primitive discrete opamp which operates just on the verge of instability. This stage applies a subtle layer of harmonics which give the Colour a “finished” sound.

MKII Improvements

In 2019 to celebrate the fifth anniversary of the Colour Format, we redesigned the first three Colours, the 15IPS, CTX, and JFT, to use only discrete, class-A transistor circuitry. You could think of this as the opposite of an update—we’ve reversed the technology of the Colours back to the late 60’s. The result is an authentic vintage character that’s more nuanced and refined.

Features

  • Discrete, class-A saturation circuitry
  • NOS 2SK170 transistor for musical, tube-like harmonics
  • Compatible with the Colour format
  • Blue PCB
  • Full, step-by-step assembly instructions and guaranteed support
Samples
Resources
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 47204482999

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4.8 ★★★★★
Based on 19 reviews
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Roberto lorenzo
Belleville, US
★★★★★ 5
Good quality though
Size: 2AWG 15FT + 15FT, Color: Red + Black
Good though quality Thick Works good
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Reviewed in the United States on November 15, 2025
J
Verified Purchase
John Steenland
Cuba, US
★★★★★ 5
Quality cable at an unbeatable price
Size: 2AWG 15FT + 15FT, Color: Red + Black
Wish I found this cable sooner! This cable is much better than the cabke I was previously purchasing! Crimps well, copper is of high quality, coating is excellent, bends great, price is great! Overall very satisfied!
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Reviewed in the United States on April 22, 2026
C
Verified Purchase
Cradgl Tantandolo
Phoenix, US
★★★★★ 5
good quality
Size: 2AWG 15FT + 15FT, Color: Red + Black
Well, this is some stiffness, but manageable.
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Reviewed in the United States on March 27, 2026
E
Verified Purchase
Evan Dietzen
Port Orchard, US
★★★★★ 5
Good Cable
Size: 2AWG 15FT + 15FT, Color: Red + Black
Work as intended. I used it to run some cable to a second battery from the first. If you're going to do that though, 100% have two fuses. One next to each battery post. It's pretty heavy cable too, good stuff.
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Reviewed in the United States on November 9, 2025
D
Verified Purchase
Doby bertrand
San Leandro, US
★★★★★ 5
Perfect
Size: 2AWG 15FT + 15FT, Color: Red + Black
Good quality wire
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Reviewed in the United States on May 26, 2026

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