Swart Space Tone Atomic Jr.

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  • Model: SWART STA JR
  • Manufactured by: Swart Amplifier Co
Special Order. Please call for availability and delivery. Space Tone Atomic Jr 5W SE Class A • TRIODE REVERB • 6V6/6L6 Tube Rectified • 14lbs of Tonal Bliss w/Swart Verb If only words could actually convey sound fully; they always fall short to some extent. And that's where I stand with the Space Tone Atomic Jr, the latest amazing, soulful little amp from the hands of Michael Swart. The new ST-Atomic Jr starts off with the heart of our ever-popular ST-6V6se with the addition of a year in the making, triode reverb stage utilizing a dedicated 12DW7 fed into a nifty spring tank for surprisingly BIG REVERB, especially for a cabinet this size. Actually, for ANY size cabinet. (Wait till you hear Greg V's samples ).

The tonal variations and REVERB in this little monster must be be heard to be believed. Most amps this size attempting reverb and big tone tend to be underwhelming. Not so with the 14lb Class A ST-Atomic Jr. Space Tone Atomic Jr Specifications: 5W CLASS A ~ JUST INSANELY BIG TONE wReverb 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 Like all Swart amps, the circuit is point to point, hand-wired and CATHODE BIASED with no need to mess with adjustments when rolling tubes. The Atomic Jr has two driver/preamp tubes comprised of one 12AX7 and one 12DW7 feeding either a 6V6 (stock) or 6L6 family power tube. We also keep the simple tone cut bringing the least complexity, integral in keeping touch sensitivity and transparency. Of course, the Atomic Jr. relies on tube rectification for PS filtering with a JJ 5AR4/GZ-34 as stock with the ability to run a NOS 5Y3 for more Sag, compression, earlier breakup, and that Brown Sound (it also brings 34v less on the tubes).We want to avoid that harshness that seems to ride along with solid state rectification. Try a vintage 5Y3 for a bit more SAG and less voltage on the power tubes. It has the same excellent 6V6se 4ohm output transformer and comes stock with the Weber Signature 8 Ceramic. The tweed covered, finger-jointed pine cab resembles a baby AST with light tweed and dark side panels. Other covering options are available. Sizing is the same as the ST-6V6se: 13 3/4T x 13W x 7 1/4 D @ 14lbs You'll be amazed!

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