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Swart Atomic Space Tone Jr. AST Jr. 1x8" Guitar Amp Combo

SKU 10SWA009
by Swart
Sold out
Original price $ 1,761.00 - Original price $ 1,761.00
Original price
$ 1,761.00
$ 1,761.00 - $ 1,761.00
Current price $ 1,761.00

The Space Tone Atomic Jr is an amazing, soulful little amp from the hands of Michael Swart.

The new ST-Atomic Jr starts off with the heart of a ST-6V6se with the addition of  triode reverb stage utilizing a dedicated 12DW7 fed into a nifty spring tank for surprisingly huge Reverb, especially for a cabinet this size. 

The circuit remains amazingly simple, including this reverb stage, and will feature volume, tone, and Swart's patented "Space" reverb. I've been playing this beast non-stop since the prototype hit my apartment, never to leave. It's the perfect amp for those craving AST type sound in a compact package.

There is a cool switchable gain option in place of the 6V6se feedback switch. When in circuit, the amp has more cleans and take a bit longer to break-up. Flip it out of circuit and you have slightly less compression with a more raw take, quicker to get into the fun stuff. 


  • 5W CLASS A ~  BIG TONE With Reverb
  • Single-Ended Output - Zero Negative Feedback
  • 100% Tube Circuit - GZ34 or 5Y3 Valve Rectifier
  • Big Swart Tube Reverb via 12DW7 & Spring Tank
  • Hot and Clean mode Switch
  • Powered by choice of 6V6 or 6L6 (shod w/6V6)
  • JJ 12AX7 - JJ 12DW7 - JJ 6V6GT - JJ GZ34 Rectifier
  • Point to Point Hand Wired Circuit
  • Cathode Biased (no need to bias)
  • Carbon Comp Resistors ~ Mallory Caps
  • Cloth Hook-Up Wire
  • Heaters referenced to ground
  • All Swart Amplifiers employ Star Grounding
  • 4 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
  • Speaker: 8" Weber Signature ~ 4 ohm
  • Finger-Jointed, solid Pine Cab w/ Lacquer Tweed Cover
  • Vintage Jewel Lamp ~ Circuit Fuse Protected
  • Dimensions: 13 3/4T x 13W x 7 1/4 D @ 14lbs