High-fidelity circuit design
SKU: 72861823376

High-fidelity circuit design

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Description

High-fidelity circuit designCrowhurst and Cooper wrote many high fidelity design articles for Radio Electronics in the early 1950 ies. Gernsback had the original authors edit, rewrite and assemble them into this book. The aim was to provide design information for the enthusiast without much formal education, as well for those with advanced understanding of the subjects, but needing some help to visualize problems in tube based Hi Fi design. Sixty years later, we have better

Crowhurst and Cooper wrote many high fidelity design articles for Radio-Electronics in the early 1950-ies. Gernsback had the original authors edit, rewrite and assemble them into this book.
The aim was to provide design information for the enthusiast without much formal education, as well for those with advanced understanding of the subjects, but needing some help to visualize problems in tube-based Hi-Fi design.
Sixty years later, we have better methods and means to design audio, but basic facts, figures and ideas still stand, and the book gives interesting insights and backgrounds how things were done and why we are where we are today.

Part 1: Feedback: Feedback effects, Analysis and design, Response and stability, Distortion, Extending design factors;
Part 2: Design and Testing Techniques: Drivers and inverters, Power supplies, Attenuators, Filters and equalizers, Scope test procedures, Speaker systems, Advanced techniques, High-power amplifiers, Test equipment design, Improving old amplifiers.

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SKU: 72861823376

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Howard
Los Angeles, US
★★★★★ 5
Great quality tux for the price
Color: White, Size: XX-Large, Color: White, Size: XX-Large
I was pleasantly surprised with the quality and fit right out of the package. The cloth has a subtle pattern that gives it an upscale look without being flashy, and overall it feels far nicer than I expected at this price. Jacket: The jacket has a good weight and thickness, so it feels solid and well-made. Sleeve length was perfect right out of the box, which almost never happens for me. The only fit issue was a bit of snugness in the chest and underarm area, but I have broad shoulders and a larger chest, so that’s not unusual. My dress shirt sleeve length is 36.5", so I went with an XXL instead of my usual XL to make sure the sleeves were long enough. That was the right call, because it’s always easier for a tailor to size something down than to try and make something too small work. Aside from a quick tweak in the chest, this could easily be worn straight out of the package. Pants: The pants are noticeably thinner than the jacket and you can kind of see through them, so you’ll want to be mindful when choosing undergarments. That said, the lighter fabric is actually a plus for summer outdoor events or warm indoor venues since it will help keep you cool and comfortable. The flexible waistband made them very comfortable, and the fit in both the waist and length was spot on. For reference, I usually wear 38x32 dress pants and these matched perfectly. Overall: The quality is excellent for the cost. Even with a minor tailoring bill, my total cost to own this tux will still be less than renting one for a single event. I couldn’t be happier with the purchase and wouldn’t hesitate to pick up another.
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Reviewed in the United States on August 13, 2025
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blackbutte
Los Angeles, US
★★★★★ 5
brings me to today’s formal fashion
Color: Brown, Size: X-Large
the peak lapel made me feel sharp for the big family dinner. the slim fit worried me, but it was surprisingly comfy, not too tight on my retired belly. the pockets are deep, which is great for my reading glasses case. didn't need much ironing, just hung it up. a solid, non-fussy suit for us old guys.
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Reviewed in the United States on October 26, 2025
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Customer Review
Chelsea, US
★★★★★ 4
Works for Dress-Up, Not for Formal Events
Color: Brown, Size: Medium, Color: Brown, Size: Medium
This brown tuxedo is about what you’d expect for under $100 on Amazon. The fabric has a pretty brocade pattern but it’s very thin and floppy. The jacket is lined, which helps give it some structure and makes it look a lot nicer, but the pants don’t lay well since they’re unlined and lack structure. The brown color is actually really nice—rich without looking too chocolately, almost leaning burgundy. That said, the fit on both the jacket and pants is surprisingly good. Overall, this is a fun tux for a costume party or one-off dress-up event, but not something you’d want to rely on for a wedding or a truly formal occasion. Just keep your expectations aligned with the price.
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Reviewed in the United States on September 14, 2025
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Benji Gulf Coast
Omaha, US
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A true beauty
Color: Red, Size: Large
This tuxedo set is so beautiful. The red is extremely striking and is sure to grab everyone's attention. I ordered a size L, as I am on the cusp of Medium and Large. The pants fit very well, and they have some adjustment points around the waist in case they need to be let out a little more. Also, in the waist band is some elastic portions, which make finding the perfect fit something you won't have to think much about.--- they will stretch with you. The jacket feels like it is custom fitted by a tailor. The quality of this tuxedo, considering the price point, is exceptional.
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Reviewed in the United States on September 6, 2025
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Michael Woods
Phoenix, US
★★★★★ 5
Its great
Color: White, Size: Large
Got it for my brother and he digs it. Says its comfortable and not too confining. It looks great. Definitely worth the money.
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Reviewed in the United States on September 20, 2025

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