SKU: 82154879483

Sparkler Audio model S502 "ether" Smart Integrated Amplifier - [2x10W]

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Description

Sparkler Audio model S502 "ether" Smart Integrated Amplifier - [2x10W]model S502 "ether" For switching the line input signals, a long life and highly reliable reed switch (contact: ruthenium) in which an inert gas is filled in a glass tube is adopted, and deterioration of freshness is extremely reduced. Reduced many kind of elements that causes the stagnation of the music signal to reproduce the natural depth and spread stress free, "elegant" and "refined" sound. You probably wouldn't believe the wide range, full bodied

model S502 "ether"

For switching the line input signals, a long-life and highly reliable reed switch (contact: ruthenium) in which an inert gas is filled in a glass tube is adopted, and deterioration of freshness is extremely reduced. Reduced many kind of elements that causes the stagnation of the music signal to reproduce the natural depth and spread stress-free, "elegant" and "refined" sound. You probably wouldn't believe the wide-range, full-bodied sound of this little amplifier. In addition to the conventional voltage-mode type (S502v), we have a type for current-mode audio interface (S502i).

Features

Smart Size ― Easy to wiring from rear panel.

In size-held in one hand, you do not choose a place to put it. Since the depth is narrow, it does not get in the way routing of the wiring from the rear panel.

Japanese Taste ― The texture of Japan.

Elegant and cool, finished with a timeless design. The color of the handmade Japanese paper is by hope, you can choose from below color variations. You can also choose gray-smoke monotone top panel.

Large Front Panel ― Easy to operate.

Operation is the power switch, input switching, volume control, mute switch only and does not need complicated settings. We have adopted a high-quality knob made of machined aluminum that is easy to make fine adjustments.

No Habit Sound Quality ― Thoroughly eliminate the element that causes the stagnation of the music signal.

For switching the line input signals, a long-life and highly reliable reed switch (contact: ruthenium) in which an inert gas is filled in a glass tube is adopted, and deterioration of freshness is extremely reduced. Thoroughly eliminates connectors and terminals with many metal parts, plated conductors, excessive amount of solder, etc., and reproduces the natural depth and spread without any electronic device odor and elegant and stress-free.

Ultimate 10 watt ― Enough to enjoy music in your living room.

Compared with small transistors, high power transistors tend to be unfocused and low resolution in sound character. By selecting high performance semiconductors, we developed this ultimate 10 watt amplifier. Incredible clear, sparkling, full-bodied and overtone-rich sound. You can enjoy the music in enough volume to listen to at ordinary living room.

Sophisticated Internal Structure ― Fully discrete amplifier.

Amplifier section adopts a little configuration of simple amplifier stage as much as possible, was the highest priority on freshness of the sound more than anything. The less non-linear factors the amplifier has, the less the suppression. Sound quality with open and natural and a sense of speed, you will forget the existence of the audio equipment. In S502i, one line input is compatible with conventional voltage-mode and adopts newly designed voltage-current conversion. After that, all treat the music signal as a current.

Universal Speaker Terminals ― Banana plugs & various cables can be attached.

A speaker terminal compatible with banana plugs has been standard specification. This enables various speaker cables such as bare wire cords, Y-type (spade) terminals, C-type terminals, fine pins, and banana plugs.

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SKU: 82154879483

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4.6 ★★★★★
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Eric
Whiting, US
★★★★★ 2
Good finish, poor hardware.
Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.
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Reviewed in the United States on February 26, 2024
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Carl L. Bradley
Fort Morgan, US
★★★★★ 1
Kinda flimsy…
Thought the assembly was metal, it’s some kind of PVC.
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Reviewed in the United States on September 22, 2025
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DRJRRT
Port Orchard, US
★★★★★ 5
Great references book.
Format: Hardcover
Excellent book for medical reference and refresh of knowledge.
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Reviewed in the United States on April 28, 2026
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Ray Schaar
Boise, US
★★★★★ 5
A Wonderful Update To A Great Old Reference Book!
Format: Hardcover
It's the Merck Manual! If you know medicine but are aware you don't know EVERYTHING about EVERYTHING! (Few if any do!) This is a wonderful reference. If you have no medical knowledge and think this will make you know what doctors know. Don't waste your money. You have to have a basic understanding for this to be helpful. This is a wonderful update to an old favorite.
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Reviewed in the United States on July 16, 2025
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Majted
Carnegie, US
★★★★★ 5
The most current and inclusive medical reference available mid-2018.
Format: Hardcover, Format: Hardcover
Here’s the review I wrote for the 19th edition on 2011: I've been getting and using the Merck Manual for over 30 years to answer questions about disease for family and friends (pediatrics through geriatrics) as well as preparing to ask germane questions of physicians responsible for care of family and friends. It is comprehensive in its coverage of the etiology, diagnosis, treatment and prognosis of diseases of the human body and contains the latest research results on the treatment options. It's really not that difficult for the layman to understand the medical terminology and the result is factual understanding of the major aspects of disease which you will NOT get from the standard home health care books from Johns Hopkins, Harvard, Mayo Clinic, the AMA or even the Merck Home Health handbook. And, unlike the Merck Manual, these books directed to the laity do not contain the diagnostic information upon which physicians decide precisely what disease they are presented with. Yes, there will be much superfluous information which you may never use, but, when you want and need the information about a specific disease, here's where you should start your education. The same holds true for the updated 2018 20th edition. I neglected to mention that this manual also contains a plethora of ancillary information including thorough sections on pediatrics, geriatrics, injuries, bites and stings, patient care, alternative medicine, dietary supplements, rehabilitation, normal test values and even legal issues such as advance directives. Yup, it’s pricey, but it’s always proved to be valuable to me.
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Reviewed in the United States on June 15, 2018

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