Designing High-Fidelity Valve Preamps
SKU: 5436994683

Designing High-Fidelity Valve Preamps

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Description

Designing High-Fidelity Valve PreampsDesigning High Fidelity Tube Preamps is a comprehensive guide to the design of small signal, tube based amplifiers. This book examines in unprecidented detail the inner workings and practical design of small signal stages, volume and tone controls, RIAA equalisation, power supplies and more. Aimed at intermediate to advanced level hobbyists and professionals it teaches the principles of low noise, low distortion tube design, through easy to read

Designing High-Fidelity Tube Preamps is a comprehensive guide to the design of small-signal, tube-based amplifiers. This book examines in unprecidented detail the inner workings and practical design of small signal stages, volume and tone controls, RIAA equalisation, power supplies and more. Aimed at intermediate to advanced-level hobbyists and professionals it teaches the principles of low-noise, low-distortion tube design, through easy-to-read explanations and minimal math. With over 400 diagrams and figures, and hundreds of real measurements of real circuits, it asserts itself as an essential handbook for any tube amp enthusiast.

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SKU: 5436994683

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4.7 ★★★★★
Based on 636 reviews
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Carrie A Balashaitis
Lake Worth, US
★★★★★ 4
Good buy
Color: Black
Sturdy and fits perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
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Verified Purchase
Jackie P
Waukegan, US
★★★★★ 5
Sturdy iPad case
Color: Black
Great case. Sturdy and easy to install. Would purchase from this seller again.
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Reviewed in the United States on May 8, 2026
H
Verified Purchase
HallMonitor
Louisville, US
★★★★★ 5
Durable and Rugged
Color: Black
I've had it for a few weeks now. It was a replacement I bought after buying several vinyl type covers. This one is a good gauge of plastic and rubber. The rubber seems pretty strong and it protects the iPad well on the corners and back. The back is mostly covered except for the Apple logo in the center. In addition to protecting the corners and also protects the camera lens as the rubber after insulation is a little bit higher than the lens so when you put this down, it's not going to scratch the lens. It has a pen slot, which I like and plenty of room to grip the device if I'm carrying it from place a place or when I'm using it, I can grip the edge and not touch the screen. One of the things I would've liked included is a screen protector, but nothing covers the screen. I also miss the folio type cover because the screen will gather dust now. But, Apple screens are fairly durable so I'm not too worried about breaking it. It was easy to install. It came in as it came in a couple of pieces that you just pressed together. All the controls are obvious as they are under the rubber, but they look like keys. One more thing I might bring up is the charging port. It's easy to get to even though it's a little deep. On my iPad the touch sensor is on the on off button and it is a little harder to do than if I didn't have any case on it, but that is to be expected. It also has an easel that unfolds from the back if you want to sit it up, but I don't use it for watching anything since I have a real TV set. So far I like it and I'm glad I bought this as I don't think it's going to wear out as quickly from me handling it as the others did. The value was good as long as it lasts.
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Reviewed in the United States on April 28, 2026
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Clint
Omaha, US
★★★★★ 5
iPad case is great
Color: Black
Fits great. Like the stand feature on the back
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Reviewed in the United States on May 30, 2026
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Kat
Waukegan, US
★★★★★ 5
Great quality case and keyboard
Color: Purple, Color: Purple
Super good quality case, I was actually surprised since it’s such a good price. It fit my 10.9 inch perfectly! Keyboard has magnetic attachment to the case which is super handy, and it connected with Bluetooth seamlessly. Keyboard isn’t silent, it’s on the louder side, but not too loud at all and it doesn’t bother me at all because I prefer clickier keyboards. Oh also something that’s really cool is that you can change the colors of the keyboard, love that!
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Reviewed in the United States on April 10, 2026

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