Do someone know where I cans find the “Designing Power Supplies for Tube Amplifier” by Merlin Blencowe book in USA?? Designing Power Supplies for Valve Amplifiers is a unique guide to the operation and practical design of linear power supplies, especially for valve equipment. I’ve been getting a lot of mail about my power supplies book. I’m sorry to say I permanently removed it from print.

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However, it is worth noting that these designs are not compulsory; there are many ways to arrange the same transformer and rectifier, depending on the output voltage we need. The following schematic is stripped down, so as to leave its operation on display without the clutter of the safety and performance-enhancing components. There are two or three power-supply topologies which are seen again and again in valve amps, and are regarded as almost standard, being more-or-less copied from the popular, early amps.

See and discover other items: Save your search to a want list and we’ll notify you by e-mail as soon as we locate a match. Okay, if this last capacitor is so important, why are you using a cheesy electrolytic capacitor and why is it so large in value? Find it on BookGilt BookGilt is our fast, yet robust metasearch for antiquarian books that searches across dozens of sites worldwide.

Pages with related products. Visit our Help Amplifiesr. It is almost as if the publisher and writer assume that making the big jump from blemcowe remote control to the soldering iron is in itself a feat of such towering skill, endurance, strength, and imagination that would be asking too much to expect the poor audiophile to learn and understand complex concepts as well.


Thus, they give us too little—for our own good, as they see it. Most modern valve amplifiers hold a power supply identical to those found in old valve amplifiers, which seems to imply that these desifning topologies are standards not to be altered—yet these hoary topologies are neither compulsory nor necessarily best. The LM really doesn’t know that it is the heart of an elaborate high-voltage positive regulator; all it knows is what is happening at its output and adjustment pins.

Thus, we must overlay two critical signal sources on top of these two pins: Write a customer review.

Amazon Music Stream millions of songs. If I can find all the same material on the web for free, do I really need to buy this book?

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Thus, its maximum power dissipation is only 0. Although the suppliez bias voltage tap is usually only found on big power transformers that were intended for use in tube power amplifiers.

Page 1 of 1 Start over Page 1 of 1. I would use either a 10W resistor or two 5W 24k resistor in parallel. Wanted to let you know that this is simply the best PCB I have had in my hands, bar none. My guess is that the circuits are still too naked, requiring more designin devices, such a resistor in series with the LM’s adjustment pin and some of the capacitors.

Having now taken the plunge I have no hesitation supplirs recommending it. Wem Publishing 13 Oct. This is the baby-step circuit before we move on the actual circuit; nonetheless, it might prove adequate for many preamp and line-stage amplifier applications. Learn more Add to supplids list. An essential handbook for any valve amplifier enthusiast!

There is some very good stuff on things like fuses – dull but remember your dealing with big DC voltages in valve amps so better vesigning know why you should get a sand filled ceramic fuse rather than a glass one? Many pure tube-based and solid-state-based and hybrid solutions are illustrated; there is even a quite Janus-like shunt regulator that utilizes both blebcowe and feedback to produce clean, steady DC voltage, page ; And the last chapter is a must read, as it covers the problem of too little or too much wall voltage and some possible solutions.


Blencowe’s over reliance on a somewhat passive and circumlocutory exposition wearies. How could so much have been achieved without a Department of Education, establish in ? My first thoughts were that it would certainly be possible to create a shunt regulator, such as the following. Try these tips with our Advanced Search.

Designing Power Supplies for Tube Amplifier

Note that a 1. Audiophiles, guitarists and general hobbyists alike will find this book an invaluable source of detailed information on transformers, rectifiers, smoothing, high-voltage series and shunt regulators, and much more. An essential handbook for any valve amplifier enthusiast!

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Second, your shipping was lightning-quick. Yes, it looks complicated, but the operation is the same.

Designing Power Supplies for Valve Amplifiers – Merlin Blencowe – Google Books

Numerous practical circuits are included, for high-voltage stabilisers, heater regulators, optimised bias circuits, high-voltage supplies using ‘junk box’ parts, and even audio power control for guitar amplifiers. The single triode had been replaced by two high-voltage transistors and some extra support circuitry. One oddity is finding what should have been zupplies eleventh chapter Cooling and Heatsinking nested in chapter seven, “Series Voltage Stabilizers.

In fact, this is the highest quality kit I’ve seen anywhere, of anything.