The Mark 3 board also works on Dynaco Mark 2 50 ohm 5W resistor required for Mark 2, not included , and most Sunn amplifiers that use Dynaco transformers some Sunns will need additional resistors not included in the kit. One board is required per amplifier. Note that if you buy a blank board, the board capacitors on the Mk3 board cannot exceed 25 mm high by 25mm diameter in order to fit under the chassis.
In all cases the first section should not exceed 60 uF if a tube rectifier is used. Rolltide and Dennis like this. Mid Mono Amplifier — Quicksilver Audio. Location: Syracuse NY. Quicksilver gear is very nice with Klipsch. I preferred my c to the restored Dynaco amp I heard. The Van Alstine Ultravalve looks pretty promising but I haven't heard one yet. What I found when looking was that getting much more tube power than my Fisher had for less than 2 grand total wasn't really doable new.
Line Magnetic integrateds gave a few more watts and where quite nice and Rogue and Quicksilver made the separates that put out more power for around 2k. The Quicksilver Horn Monos have my interest though they put out about the same as your and the Rogue Atlas Magnum I heard sounded really nice. Both are very nice sounding amps. RDriftwood and Rolltide like this. Show Ignored Content. Share This Page. Your name or email address: Do you already have an account?
No, create an account now. We really love the use of 6SN7 driver tubes which are also very readily available in new production and NOS. Here is a final shot of one of the amps after the work was completed. For more info about this project or to discuss having your amp worked on email mike hudsonvalleyhifi. Your email address will not be published. Leave a Reply Cancel reply Your email address will not be published.
Facebook-f Instagram Youtube. No more worrying about setting the bias or if it has shifted either too high tube failure or too low high distortion. No more need to use costly matched output tubes. You can find all about it here.
How to Order. Order Form. Contact Us. Return to CurcioAudio. Dynaco designers never expected their products to still be in service after 50 years. Although the transformers are virtually ageless, the other components are not. Therefore it is very common for stock units to require service. To improve the reliability and performance , it is a good idea to upgrade several critical components at the same time.
Here at CAE we have repaired and restored hundreds of Dynaco amps, preamps, and tuners. Please feel free to download full copies of the original owner's manuals and our comprehensive troubleshooting guides. They have been written using the same diagnostics procedure we use and will guide you step by step to the source of the problem. You are welcome to e-mail us with a description of the problem and we will respond with suggestions that specifically address your problem.
Alternatively if you prefer, you may send your amplifier to our lab where we will professionally repair, restore, upgrade or perform our extensive modifications per your specific instructions.
You can learn more here. Once you have located the defect, we can provide you with an exact replacement or audiophile premium direct substitute parts. We now offer drop in modules to replace the original and highly unreliable "Quad" electrolytic capacitor with a composite that increases the voltage rating and capacitance , includes the bias supply, and optionally allows you to use solid state rectification should you choose - in effect, an entirely new power supply.
If you would like to make small but highly effective modifications and dramatically increase reliability, consider our latest Stereo, Mark-3 and Mark-4 SoB system on board modules - the entire amplifier on a single pcb.
Our designs employ simple and highly linear topology and deliver outstanding sonic gains for a very small investment. And of course for those wanting to extract the ultimate performance, we continue to offer our premium modification package that includes the highly regarded Constant Current Differential Amplifier driver module and our HiSpeed LowZ regulated power supply modules for the ST and MK-3 - also available in the SoB package. Whatever path you choose, all of our solutions are optimized for the specific Dynaco frame and provide the most articulate and realistic audible performance while insuring the highest reliability.
They are specifically designed to "drop-in" to the existing chassis and hole patterns - there are no strange appendages or dangling parts. Installation is easy - in just a few hours you will have revitalized your amp or preamp to a level of performance and reliability equaling and bettering the finest commercial amps available.
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