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Ixys current regulator as a CCS plate load. I owned and operated Wheatfield Audio, which made tube headphone amps but no money!
Items about: Project Articles | audioXpress
July 25, by Pete Millett. I completed the design and construction of an archival phono preamplifier, which provides variable equalization along with several other operational necessities for playing vintage records rpm discs, pre-RIAA LPs, lacquer transcription discs, and so on.
Low-voltage Hybrid amplifier with adjustable damping. Muting relay PCB to eliminate the “thumps”. The DIY “Butte” solid-state headphone amp. Tektronix power transformer information – Info I’ve collected on classic tube-type Tektronix power transformers. Push-pull 6B4G class-A amplifier.
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The “Engineer’s Amplifier”an affordable, high-performance push-pull TV pentode amp. Class-A2 amp using a power opamp driver. I recommend that if you don’t already have it you download the latest version of Adobe reader. So please do not expect me to provide the level of technical support that you might expect when buying a product. Now that turntables are back in force, this excellent project not only allows some knowledge about a vital part of the motor’s rotational speed adjustment, but it also dives into one of the most crucial aspects of a record player for anyone interested in a little DIY or restoration projects.
The Audio Voice Newsletter. Apart from looking at some commercially available stroboscope discs, Ron Tipton explains how to print one from files that are freely available on the Internet, and explains how to build your own multiple-LED lamp to check the rotations.
This info is provided with no guarantees as to accuracy, usefulness, etc. Following the publication of its original SE 6C33C amplifier in audioXpress JulyAri Polisois returned with more information on how to further simplify the whole construction and reduce the costs. When it came to selecting topologies for the balanced inputs and outputs, I ruled out transformers due to high cost, physical bulk, and weight.
In ALL of these cases, I make no profit from any of the sales. High-voltage regulator “Maida” regulator that fits Landfall Systems heatsink.
A high-end Tube Microphone Preamp. The “” Push-Pull amp using driver boards below.
This is a depository for various audio designs and projects – mostly tube – that I’ve put in the public domain, as well as additional info to support magazine articles that I’ve written, and an audioxpess amount of technical data archives relating to vintage and tube audio. Software for the HP audio analyzer – Make professional plots from this affordable audio test system! Tube-regulated high-voltage bench power supply. I’m currently living near Fort Collins, Colorado, and work for a Silicon Valley semiconductor company.
Getting the Most from THAT’s Balanced Line Drivers and Receivers
I do sell things, including projects I no longer need, PC boards for my designs, and occasionally parts and tubes. This simple single-ended amp project by Pete Millett is a great performer and a very well documented project that was immediately adopted by many DIY’er’s. Push-pull driver PCBa nearly universal driver for push-pull amps.
I do this through eBay – I maintain an eBay store “pmillett”. In this article, Ron Tipton explores the use of stroboscope discs to determine whether your turntable is set to the correct rotational speed. The NuHybrid headphone amp, a hybrid headphone amp audiopxress the Korg Nutube. This article was originally published in audioXpress, December There are some cases where products are being sold not only with my permission, but active involvement.
Potatohead” amp – 50W from 2 tubes in class AB2. I developed the PSU, which, together with the sophisticated shunt, sets a new standard for audio voltage regulators. Follow the links below for detailed info There’s no better way to pay tribute to Ron than revisit some of these projects.
EL push-pull single-stage “spud” amp experiment.
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Audiozpress “Millett Hybrid” effort and others at HeadFi are examples and excellent models of how the DIY community should work, in my opinion. For technical books, tube data, vintage data, transformer data, and McIntosh data, go to: October 31, by George Ntanavaras. The results, as the author describes, “combine the advantage s of the push-pull mainly power to the wonderful character of the SE: This article by Ron Tipton details the design and construction of the TDL Model high-performance microphone preamp, using a differential input stage that used compound transistor pairs with circuit resistance values, computer optimized for very low output noise.
A compactron triple-triode driver for push-pull amps.