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Description
Fairfield Circuitry ~900 Fuzz About Nine HundredMaker: Fairfield Circuitry Model: ~900 Condition: New Description: Controls: INPUT preamp input levelFUZZ interstage levelBIAS second stage bias and gainVOLUME output levelDescription: The ~900 is a ferocious fuzz pedal featuring two cascading JFET gain stages. The ~900 is a spiritual successor to our discontinued Four Eyes Fuzz, having a similar fuzz circuit. This pedal has a very wide range of gain, brought to you by four interactive controls:
Model: ~900
Condition: New
Description: Controls:
INPUT - preamp input level
FUZZ - interstage level
BIAS - second stage bias and gain
VOLUME - output level
Description:
The ~900 is a ferocious fuzz pedal featuring two cascading JFET gain stages. The ~900 is a spiritual successor to our discontinued Four Eyes Fuzz, having a similar fuzz circuit. This pedal has a very wide range of gain, brought to you by four interactive controls: INPUT, FUZZ, BIAS, VOLUME.
The INPUT section is a 'mu-amp' design. The INPUT knob controls the level going into this first gain stage - you can go from clean with lots of headroom, to completely slammed and distorted - and everything in between.
The FUZZ knob controls the level going into the second JFET gain stage. This section is very dependent on the level of the INPUT.
The BIAS knob adjusts the bias of the second gain stage. This gives control over the saturation symmetry, and can also allow gating when turned up high enough. The BIAS knob is especially interactive with the FUZZ knob.
The VOLUME controls the master volume output. This pedal has a lot of gain to offer
and can get quite loud.
The ~900 is an overall very versatile fuzz pedal. It stacks well with other pedals and is friendly to all sorts of instruments and signal levels. The INPUT especially will dictate how the pedal responds. At lower INPUT levels, the FUZZ will have a wide range of tones and interact heavily with the BIAS knob. When the INPUT is raised high, the FUZZ and BIAS will be a bit less responsive - but at that point you will be experiencing a thick wall of distortion/fuzz.
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4.6 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
toughest dog balls in the world
Color: E) 8-Pack 2.5" Balls (Yellow), Color: E) 8-Pack 2.5" Balls (Yellow)
best balls in the universe. I have a 70# pit bull and a 120# presa canaria. All the other balls I bought lasted maybe 3 weeks, I have had these for over a year and play with them and the dogs 5-6 days a week. They still look brand new, They seem like they will last a year or so and they are both serious chewers. A presa has a bite force od about 525psi, twice a pitty
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Reviewed in the United States on April 24, 2026
★★★★★ 5
They worked out great!!!
Color: D) 4-Pack 3" Balls (Yellow), Color: D) 4-Pack 3" Balls (Yellow)
So far have been the solution we were looking for! I was extremely tired of the non stop destruction and order of large Chuckit balls for our high energy/high drive dog. For about the same price I bought four 3 inch balls to test out their durability and fit for the thrower. THEY WORK! Perfection! They even make a fun whistling sound as they sail through the air. They do require a tad more muscle in the thrower but that is not a problem. They have already shown to be WAY more durable. The 3 inch balls work in the large chunkit thrower. Super find.
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Reviewed in the United States on April 9, 2026
★★★★★ 4
Durable
Color: E) 8-Pack 2.5" Balls (Yellow)
My dogs love them. They are very bouncy, and ideal size, and durable. Great alternative to a tennis ball which in my house only last 30 minutes.
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Reviewed in the United States on March 23, 2026
★★★★★ 5
Toughest dang balls I ever played with
Color: D) 4-Pack 3" Balls (Yellow), Color: D) 4-Pack 3" Balls (Yellow)
These things are amazing. We have a ball obsessed Husky mix and he has destroyed Kongs, Chuck Its, and a whole lot of other ball shaped objects. These things? We bought the 4 pack because we bought 4 Chuck Its and they lasted a year, all 4 of them only a year, before they were destroyed. A year after buying these? We only bought more because he lost 3 of them. I think we did find one under the dresser after buying this pack... But the others? They either ended up thrown over the fence into the woods or lost in the holes in the yard the monster digs up. Other than a few pockmarks from his teeth and maybe some mud, they may as well be brand new even after a year or two. Probably the most chew resistant thing we've ever bought him. They're really solid rubber and since he hasn't managed to bite into them to take out a chunk, they're safe as hell. Being as big as they are, I don't worry he's gonna choke unattended on them like the usual size of ball. About the only concern is forcing breaks so he can have breathing moments when he manages to talk us into fetch outside. It fits in the larger Chuck It thrower too, so we haven't lost any value from having those torn up.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Sturdy bouncy fun!
Color: D) 4-Pack 3" Balls (Yellow), Color: D) 4-Pack 3" Balls (Yellow)
Great product. My big 70lb Sheppard puppy loves it, hasn’t stopped playing with it since it arrived. She throws it about and chases it, had a good chew on it and even put it in her favorite toys bin. Sturdy, firm and very bouncy. And there are 3 more in the bag for an awesome price. Bright color will make it easy to find and holes thru it will prevent choking and I can string it on a line for training play.
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Reviewed in the United States on November 28, 2025