The Swart AST Pro has everything you love about the original Atomic Space Tone, but in a sturdier package with External Out/In directly accesible from the back panel! Perfect for a quick addition of your favorite attenuator.
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Two hours down the road from Sound Pure is Michael Swart, and one of our favorite amps is the Swart AST Pro! The amp was designed with the touring/professional musician in mind. The increased power handling of the Celestion Creamback speaker brings with it more low-end grunt, complementing the warm and vocal midrange, crunchy upper-mids, and sweet, refined highs. It's a studio-quiet amp that produces a warm, three-dimensional sound with a great, clean tone. Add volume for warm distortion and that classic retro fuzz tone!
Tube Complement: 12AX7, 12DW7, 12AX7, 6V6, 6V6, GZ-34
Speaker: Celestion G12H Creamback 75w
In this video, Sound Pure Luthier Rob Sharer demos the Swart AST Pro Creamback 30W 1x12 Combo Guitar Amp with the Reso-Dude Riverside Electric Resophonic Guitar, and Shure KSM313/NE Dual-Voice Ribbon Mic with Roswellite Ribbon.
• Deeper Cab w/Recessed Chassis for Protection
• Chassis Elevated to accommodate Larger Speaker
• Celestion G12H-30 ~ *Anniversary or UK Version
• Celestion GOLD 12 for that Alnico Sound
• Rear Panel w/Switchable External Out/In & Enlarged Port
• NEW! Rear Panel now includes Night Light Input!
• Dark Lacquer w/Dual Piping & contrasting Light Grill
• Extra Large Rubber Feet for Vibration/Protection
• 15 1/2" W x 10 1/8" D X 18 7/8" H ~ Weight @ 31lbs
So what does this all mean?
Well, sound-wise, you're looking at the move to the UK "Heritage" version of the Celestion G12H-30 or the G12H30Anniversary. The UK version brings a slightly more refined top end then the Mojo with subjectively more extended bottom. The Anniversary version seems not quite as stiff with perhaps a more pronounced top end. It's a matter of preference. The AST PRO sounds a tad "bigger" than the AST. The cab is 3/4 an inch deeper to allow the recessed chassis for additional knob/switch protection. This might add just a bit more heft to the bottom as well. The enlarged port in the PRO panel, now standard on all AST, gives a slightly more open sound. And the new switchable external output makes it easier to drive another cab, bypassing the internal speaker (8ohm output). I still would give the stock AST with BV-25 a thought unless you really want the difference in cabs.
Looking for the famous Alnico sound? Then consider the AST PRO ALNICO which is the creamy breakup ultimate. We had been using the Celestion Blue, but at 15w, the Blue is a more fragile speaker. We have found the Celestion Gold to have most of the low level tonal quality of the fabled Blue, while surpassing it at higher levels where the Blue can sometimes lose some control. If you are looking for the signature Alnico sound that many love, the Gold is a great option within the AST Pro. If looking for the ultimate headroom with something like the 6L6 family, you might prefer the G12H-30s. But if you love that Alnico sound that really cant be duplicated, the Celestion Gold might just be your ultimate tone solution. And truth be told, many have loved other options as well, such as various Tone Tubbys, Scumnico/Scumback, and Webers. We do stock the options and have cabs with each but can often source your speaker of choice.
• All Tube circuit ~18-20w twin 6V6 High Class A Biased AB
• Can be powered by 6V6 or 6L6
• Deeper Cab w/Recessed Chassis for Protection
• Chassis Elevated to accommodate Larger Speaker
• Rear Panel w/on fly Switchable External Out & INPUT (new)
• Dark Lacquer w/Dual Piping & contrasting Light Grill
• Cathode "AUTO" Biased (no need to bias for tube rolling)
• JJ/T-S 12AX7(2) - JJ 12DW7 - EH 6V6/6L6 - JJ GZ34
• Tube Rectification ~ GZ-34, 5U4, or NOS 5Y3 (See below)
• Sub NOS 5Y3 for earlier breakup/increased SAG
• 100% Tube Reverb & Tremolo ~ Quality Spring Tank
• Hi/Lo Inputs for better PU Output matching
• Hand wired point to point ~ Made in USA
• Standby Switch ~ Amp warmed up|extends tube life
• Carbon Comp Resistors for BEST TONE
• Mallory, Sprague, and JJ Caps selected for Application
• Finest silver tinned cloth & Teflon covered wire
• 8 Ohm High Quality Custom Output Transformer
• Dedicated 2 button foot switch included
• Extra LARGE Rubber Feet for Vibration/Protection
• Solid, finger-jointed Cabinet
• Standard w/ 12" Celestion G12H-30 UK
• Optional Celestion GOLD Alnico, Anniversary, or Mojo BV25
• 15 1/2" W x 10 1/8" D X 18 7/8" H ~ Weight @ 31lbs
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