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SDS-258 Class D Audio Kit with Large Power Supply, AnTek 400VA Transformer, Molex Connectors for external LED's, power switch, and gain controls. High Quality Conductive Plastic Element External Gain Controls also included. Our new Super D Series audio power amplifiers are built on the highly acclaimed reputation of our CDA series amps. Our goal was to keep the excellent sonic qualities while adding a state-of -the art balanced input stage (also accepts standard single ended input) and external adjustable gain controls. We've also added a better cooling system, Molex connectors for external LED's, power switch, and gain controls (included). The balanced input stage is one of the finest available and normally only found on very expensive high-end equipment. When using single ended inputs, you can change a jumper to select inverted or non-inverted input as well... useful in some instances. The gain controls included with this kit feature a conductive plastic element for ultra low noise. Our Super D Series amps provide more life-like imaging and sound stage, along with the beautiful smooth tube-like sound we're known for. These amps are powerful, clean, quiet , and transparent. Specifications: · Output: 250 X 2 - 8 Ohm, RMS · THD+N, 1W - 1KHz: Better than .02% · Dynamic Range: 101 db · Efficiency: Over 90% · Required Power Supply: +/- 60 Volts DC to +/- 70 Volts DC Accepts Balanced or Single Ended inputs at up to 18 volts. Input Impedance: 47K More specs coming soon. 1 Year Parts and Labor Warranty
|Manufacturer||Class D Audio|
- Excellent diy project Review by J-Modified
I finished assembly of my amplifier a few days ago and wanted to comment on my findings. First, I purchased this kit because I wanted a project to do. I have rebuilt A pair of Dynaco MKiii's in the past and wanted to try my hand at the class d amps. I am using this to run my mains in a home theatre application, using the Pioneer Elite vsx-49txi as my control center. I have this amp running a pair of Klipsch Klf-20's with external crossovers using erse inductors, clarity cap sa's and some russian teflons. For source i am using a Cambridge 640c v2 cd player with solid silver interconnects that i built at home.
On to my experience with the sds258. I had a couple of days to get a chassis ready so i purchased a 17x10x3 powder coated steel chassis and all of my hardware from Antique Electronic Supply. The case fit the transformer, power supply ,
and amp board nicely. The sound is very detailed , fast, clean,
and dynamic. I was stunned at the bass articulation, much tighter and more controlled than running off the receiver. The midrange is clean and vocals are not stressed at all. Sounds very natural. The highs are also very smooth. The kit is dead quiet, no hum, clicks or pops. Background is black, black,black!
After listening to the Chesky Audiophile test disk (a great reference disk for evaluating audio equipment) I will say that I am already planning to add another module for my center speaker and one for the rears.
Tom was very professional and helpful when i had questions,
shipping was fast and packaging was excellent.
I am by no means an equipment reviewer or electrical engineer. Great thing about Tom's kit is you dont have to be.
Thanks Tom for offering affordable solutions to people that enjoy the build and love the listening. (Posted on 4/2/11)
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