Post by Peter WieckPost by Trevor Wilson**I have quite a bit of experience with various Quad speakers and I can
assure you that a 20VA transformer will also be dead quiet. My major
concern is that the buyer has not verified that the speakers are in good
operational order. Surely a smaller, less expensive step-up transformer
is available somewhere in the US? 750VA? YIKES!
a) Hammond
**Meh. I've used better transformers. And worse ones. They're OK.
**That doesn't impress me one bit. Particularly after driving a mate's
late model Ford Mustang. Compared to my Subaru (made in the Pacific
Rim), the Mustang was more tractor-like, noisy, rattly it screamed
CHEAP. The US is certainly capable of manufacturing very high quality
products. The US is also capable of scraping the bottom of the quality
barrel and shoving that same crap into the hands of consumers.
**That is helpful. A UL listing is a good start.
Post by Peter Wieckd) Specific to the need
**Well, apart from being needlessly large, heavy and expensive, yes.
**A good thing too.
Post by Peter Wieckf) And, lastly, resilient inasmuch as it may be able to take on future needs where a minimalist unit will not.
**A bot of a stretch, but OK.
Post by Peter Wieckhttps://www.zoro.com/siemens-control-transformer-100va-288-in-h-mt0100a/i/G8527723/?
Here is a 100VA transformer that is also UL listed and made in Dresden, Germany. However the OP will have to furnish an enclosure, do the correct wiring and so forth. So, not plug-and-play. And, ultimately, far less resilient.
I did find many smaller ones, mostly made on the Pacific Rim or similar venues.
**It would depend on which Pacific Rim nation made the transformer. I've
found transformers made in Japan to be very superior. Frequently
superior to US made products, I fact. Since I live in a 50Hz nation,
I've found lots of US origin products employ inadequate levels of iron
in the core of the transformer. Of course, with Chinese made products,
it is a complete crap-shoot.
Here's what I don't get: Here in Australia, we have several, quality,
suppliers of 230VAC ~ 117VAC (or even 100VAC) step-down transformers to
cater for those who import products from nations that employ low mains
supply Voltages. They are available easily and in a wide range of VA
ratings. This is my preferred supplier:
https://www.tortech.com.au/product-category/voltage-converters/
ALL transformers meet the very stringent Australian electrical standards
(which are far more stringent than US standards) and Tortech maintain
control over quality for products that are not made in Australia. This one:
https://www.tortech.com.au/product/voltage-converters/step-down/economy/economy-american-step-down-transformer/
Sells for AUD43.90 (approximately US$28.88). Plug and play.
Frankly, I would be very surprised to hear that a similar device is not
available in the US.
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