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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 +/- 68 Volts DC Accepts Balanced or Single Ended inputs

Specifications:

Model SDS-500
Number Of Channels 2
RMS Power Per Channel 8 Ohms 250W RMS X 2
RMS Power Per Channel 4 Ohms N/A 8 Ohm Only
RMS Power in Bridge Mode N/A
Input Sensitivity 2V
Total Harmonic Distortion (THD) Better than .02% (normal listening is about .003%)
Frequency Response 10hZ to 35KHz
Input Impedance RCA 30K
Input Impedance XLR 45K
Voltage Gain for RCA Input Adjustable
Voltage Gain for XLR Input Adjustable
Power Requirements +/- 65 Volts DC
Dimensions (W x H x D) Inches 4.25″ X 1.5″ X 5.5″
Dimensions (W x H x D) Millimeters 108.0 X 38.1 X 139.7
Product Weight (lbs/kg) 1.5/ 0.7
Shipping Weight (lbs/kg) 2/ 0.9
Manufacturer Class D Audio
Weight 2 lbs

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