The Best Sounding ST-70 on the Market
Unmatched Quality, Unprecedented Sound.
The Miller Audio Dyna-70 Ultimate Dynaco ST-70
No Rectifier Tube
Eliminates a weak point in the original ST-70 design, the single heavily loaded 5AR4/GZ34 Rectifier Tube.
Solid-State On-Board Rectifier
Some Audiophiles claim to prefer a tube rectified sound that can “distort” or "sag" when under load (very desirable in a Guitar amp). With high fidelity sound reproduction the last thing you want is sag induced distortion from your amplifier’s power supply. NOTE: Most new tube amps designed today do not use a Rectifier tube.
"Large Stack" PA-060 Transformer
Use of 6SN7 tubes requires a larger power supply transformer, providing a modest power reserve the original "small stack" transformer could not provide. By eliminating the Rectifier tube, we don't use the 5VAC Rectifier filament Power Supply in the PA-060, offering a modest load reduction on the Transformer, allowing it to run cooler.
"Stacked" Power Supply Filter Design
By pairing the Power Supply Capacitors, we provide proper High-voltage power to B+, Output Transformers, etc. while protecting components from 500+ VDC turn-on voltages. We also increased filtering capacitance by 2 - 3X over the stock ST-70 capacitor design.
Additional Features...
Automatic Bias Control Module (Optional)
Manual Bias with Individual bias adjustment for each Power Tube (Standard)
Metal Oxide Resistors in Power Supply Circuits & Carbon Film Resistors in Audio Circuits
Order Yours TODAY
All Miller Audio, LLC Custom Amplifiers are built to order and require deposit to begin, and final payment before shipping.
Base Price ($1700.00)
WHATS INCLUDED:
All units come with a black powder coated chassis, black painted transformer covers (no face plate), manual bias system, a standard terminal block with no markings, new production tubes, and black octal sockets. Capacitor options include Solen or Mundorf Caps at no additional cost. Upgrade Options available via checkout form.
*** NEW OLD STOCK VACUUM TUBES AVAILABLE - CONTACT TO PLACE YOUR AMP ORDER. SHOWN CONFIGURATIONS ARE FOR NEW PRODUCTION TUBES ONLY! ***
Miller Audio LLC announces its new line of Dyna-70 Ultimate Audio System amplifiers. Made here in the U.S.A., you get a classic product, based on the world’s best-selling tube amplifier, with the latest in 21st century electronics plus a newer, modern look that will look at home in any living room, entertainment / TV / Game room or mancave. The electronics are the same great sounding circuits, regardless of the finish color or trim, and these amplifiers come in either Manual or Automatic Bias versions which feature individual bias settings for each power tube.
All Miller Audio, LLC Custom Amplifiers are built to order and require deposit to begin, and final payment before shipping.
Base Price ($1950.00)
WHATS INCLUDED:
All units come with a black powder coated chassis, black transformer covers, manual bias system, new production tubes, a standard terminal block with no markings, and black octal sockets. Capacitor options include Solen or Mundorf Caps at no additional cost. Upgrade Options available via checkout form.
***Faceplate not included - Trim package selection required***
*** NEW OLD STOCK VACUUM TUBES AVAILABLE - CONTACT TO PLACE YOUR AMP ORDER. SHOWN CONFIGURATIONS ARE FOR NEW PRODUCTION TUBES ONLY! ***
Miller Audio LLC announces its new line of Dyna-70 Ultimate Audio System amplifiers. Made here in the U.S.A., you get a classic product, based on the world’s best-selling tube amplifier, with the latest in 21st century electronics plus a newer, modern look that will look at home in any living room, entertainment / TV / Game room or mancave. The electronics are the same great sounding circuits, regardless of the finish color or trim, and these amplifiers come in either Manual or Automatic Bias versions which feature individual bias settings for each power tube.
All Miller Audio, LLC Custom Amplifiers are built to order and require deposit to begin, and final payment before shipping.
Base Price ($2350.00)
WHATS INCLUDED:
All units come with a black powder coated chassis, black transformer covers, manual bias system, new production tubes, a standard terminal block with no markings, and black octal sockets. Capacitor options include Solen or Mundorf Caps at no additional cost. Upgrade Options available via checkout form.
***Faceplate not included - Trim package selection required***
*** NEW OLD STOCK VACUUM TUBES AVAILABLE - CONTACT TO PLACE YOUR AMP ORDER. SHOWN CONFIGURATIONS ARE FOR NEW PRODUCTION TUBES ONLY! ***
Miller Audio LLC announces its new line of Dyna-70 Ultimate Audio System amplifiers. Made here in the U.S.A., you get a classic product, based on the world’s best-selling tube amplifier, with the latest in 21st century electronics plus a newer, modern look that will look at home in any living room, entertainment / TV / Game room or mancave. The electronics are the same great sounding circuits, regardless of the finish color or trim, and these amplifiers come in either Manual or Automatic Bias versions which feature individual bias settings for each power tube.
Here in the U.S.A. many people used to build electronic kits. HeathKit, Dynaco and even non-traditional kit electronics manufacturers such as McIntosh, Scott and Fisher let anyone assemble great electronic equipment and save money. Additionally, building kits was relaxing, rewarding and educational.
Miller Audio has developed a high performance audio & power supply upgrade for the ST-70, taking a stereo tube amplifier designed in the late 1950’s, and updating it with 21st century design standards and components. With our design, carefully selected components, and your labor, you get both great sound and value. However, if you are not comfortable, or don’t have time to build a Dyna-70 Ultimate Upgrade Kit, we’ll do it for you.
OR… trade-in your tired, old ST-70 for a new Dyna-70 Ultimate Upgrade ST-70 amplifier – it’s not as expensive as you might think. Likely your ST-70 has some rust pits & tarnish on the chassis, the Tube Cage needs painting, the transformers are rusty and also need paint, and the tube sockets are likely loose and worn out. This is the perfect time to restore and/or upgrade your ST-70 with a Dyna-70 Ultimate Upgrade, bringing your ST-70 to like-new appearance and having it sound like it has never sounded before.
Features all through-hole components; the electronic circuits are built on high-quality, etched 2-layer FR-4 Copper faced Printed Circuit Boards with plated through holes for generous solder contact and easy soldering. The circuit boards have been designed with generous spacing between all soldered points, making assembly easy and reducing solder bridges.
We use quality, trusted name brand components from manufacturers such as Nichicon, United ChemCon, Panasonic, Wima, Solen, Audyn and other name brand components. We source our components from Mouser, Digi-Key, Newark and several reputable U.S. suppliers; you can trust all components are genuine and not counterfeit parts.
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