FS: Swart Spacetone Atomic Jr Head

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FS: Swart Spacetone Atomic Jr Head

Post by MattAnt »

Looking at bringing this over with some other stuff, would it be of interest to anyone? Will be 240v. Details below...

Image

Countless players have come to love the overall tone and reverb of their Atomic Jr 5w combo amps for well over a decade. Well now you can get that killer amp through this small grab and go head. The Atomic Jr (once known as the Atom) is essentially the 6V6SE with reverb. But don't think for a second we are going to stop there with the description. The quality of this reverb mandates we speak a bit more of it. Swart didn't just copy some popular reverb circuit from another amp, he worked on this reverb for over a year. It's a triode based reverb stage utilizing a 12DW7 fed into a spring tank for astoundingly HUGE REVERB. While the tone of this little beast (and by little, we mean only 14 lbs) is quite serious, we find it at times humorous to play because of the amount of thick, lush, reverb that comes from this tiny box. It actually makes us chuckle (or LOL for you younger crowd). From the small stature it would be easy to assume a boxy tone with similar reverb, but take our word for it. You'd be wrong.

One notable difference is a cool switchable gain option in place of the 6V6se feedback switch. When in circuit, the amp has more clean headroom and takes a bit longer to break-up. It's a slightly more controlled result. Flip it out of circuit and you have slightly less compression with a more raw take, quicker to get into the fun stuff.

Like all Swart Amps, the Atomic Jr. is all hand-wired, point to point, and cathode biased with no internal adjustments necessary when changing tubes out.

The Space Tone Atomic Jr. uses a 12AX7 and a 12DW7 (for the reverb) into a 6V6, or optionally a 6L6 family power tube. Swart also uses a single tone knob for less complexity, which simplifies the circuit and allows for a more pure tone. You know how it is... The more knobs, the more "things" for your tone to go in and out of, losing a touch of something each time. A perfect argument in the tube amp world for less is more!

Another important note is the ability to swap out rectifier tubes to increase the sag, compression, breakup, etc. The stock rectifier tube is a JJ 5AR4/GZ34, but you can also put a 5Y3 in it's place to do just that.

Space Tone Atomic Jr Head Features


All Tube, All Hand-Wired, All Point to Point
5 Watts of CLASS A Design and tone!
Single-Ended Output - Zero Negative Feedback
HUGE Swart Tube Reverb via 12DW7 & Spring Tank
Hot and Clean mode Switch
Powered by choice of 6V6 or 6L6 (comes with 6V6)
JJ 12AX7 - JJ 12DW7 - JJ 6V6GT - JJ GZ34 Rectifier
Cathode Biased (no need to bias)
Carbon Comp Resistors and Mallory Caps
Cloth Hook-Up Wire
Heaters referenced to ground
All Swart Amplifiers employ Star Grounding
8 ohm 1/4" Out - Drive other Speaker/Cabinet
Switchcraft 1/4 inch input and output
CTS Potentiometers
Custom High Quality USA Built Swart Spec Iron
Finger-Jointed, solid Pine Cab
Vintage Jewel Lamp and Circuit Fuse Protected
Dimensions: 9.5" H, 13" W, 8" D
Weight: 14 lbs
Last edited by MattAnt on Mon Aug 16, 2021 2:36 pm, edited 1 time in total.
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Re: FS: Swart Spacetone Atomic Jr Head

Post by Conway »

From the US with 110 volts?
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Re: FS: Swart Spacetone Atomic Jr Head

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Re: FS: Swart Spacetone Atomic Jr Head

Post by MattAnt »

Conway wrote: Mon Aug 16, 2021 2:18 pm From the US with 110 volts?
Nope 240v but Singapore plug end, so just needs a travel adapter as the iec is fixed.
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Re: FS: Swart Spacetone Atomic Jr Head

Post by Conway »

MattAnt wrote: Mon Aug 16, 2021 2:34 pm
Conway wrote: Mon Aug 16, 2021 2:18 pm From the US with 110 volts?
Nope 240v but Singapore plug end, so just needs a local plug being wired on it as the iec is fixed.
Is it new or secondhand? Are you and Ramsay going into a JV raiding Singapore?! :lol:
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Re: FS: Swart Spacetone Atomic Jr Head

Post by MattAnt »

Conway wrote: Mon Aug 16, 2021 2:38 pm
MattAnt wrote: Mon Aug 16, 2021 2:34 pm
Conway wrote: Mon Aug 16, 2021 2:18 pm From the US with 110 volts?
Nope 240v but Singapore plug end, so just needs a local plug being wired on it as the iec is fixed.
Is it new or secondhand? Are you and Ramsay going into a JV raiding Singapore?! :lol:
Technically secondhand but literally brand new. And yes maybe ha ha
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Re: FS: Swart Spacetone Atomic Jr Head

Post by mugamee »

How much? :)
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Re: FS: Swart Spacetone Atomic Jr Head

Post by MattAnt »

mugamee wrote: Mon Aug 16, 2021 10:33 pmHow much? :)
Still figuring it out, will be based on final shipping + exchange rate.

Conway has first dibs :twisted:
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