AST (Atomic Space Tone)
Swart's flagship all-tube reverb-and-tremolo combo - 18-22 watts of twin-6V6 Class A/AB tone in a hand-wired tweed cabinet.
About this amp
The Atomic Space Tone runs twin 6V6 (6L6-compatible) power tubes at 18-22 cathode-biased watts, with all-tube reverb and bias-regulated tremolo, tube rectification via a JJ 5AR4, and a 12” Mojotone BV-25m speaker. It’s hand-wired point to point in a finger-jointed pine cabinet with light tweed and dark tweed side panels.
Specs
| Wattage | 18-22W |
|---|---|
| Class | High Class A biased AB |
| Preamp Tubes | 2x 12AX7 |
| Power Tubes | 2x 6V6 (6L6 family compatible) |
| Rectifier | Tube (JJ 5AR4, NOS 5Y3 optional) |
| Onboard Effects | All-tube spring reverb and bias-regulated tremolo, footswitchable |
| Speaker | 12in Mojotone BV-25m (Celestion Alnico Blue/Gold/Cream optional) |
| Dimensions | 18in H x 15.5in W x 9.5in D |
| Weight | 29 lbs |
Quick answers
- How much does the AST (Atomic Space Tone) cost?
- Swart Amplifiers lists it at $2,751 to $2,847 (USD), depending on options. Dealer and used prices vary.
- Is the AST (Atomic Space Tone) still available?
- Yes. Swart Amplifiers lists it as a current model that's available to order.
- Who makes the AST (Atomic Space Tone)?
- Swart Amplifiers. Where it's built: 100% valve driven and hand-made in the USA. It's listed here as a tube combo amp.