Electron Kinetics Eagle 7A Full EKSC Upgrade
Listing ID: lis69496 Classified
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| Condition | |
| Payment methods |       |
Contact seller after sale to pay viaCertified check or Personal check | |
| Ships from | Clayton, CA, 94517 |
| Ships to | United States |
| Package dimensions | 24.0" × 24.0" × 14.0" (112.0 lbs.) |
| Shipping carriers | UPS or FedEx |
| Shipping cost | Log in to see price |
| Original accessories | Box |
 Average | Research Pricing |
Eagle 7A serial number 25 Full upgrade done by russell Sherwood at electron kinetics service center
This is a rare and awesome high current amplifier
Probably as good as most anything out there
I used this with magnapans to sonic bliss
Questions for the seller |
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| When were the updates made and what did they consist of? The updates were done in 2006? and consist of the following plus this one had high end siemens polystyrene caps added
AGLE 7 SERIES-
There are two main points to the Eagle 7 upgrade. The first fixes a recurrent problem with the power supply and the second adds time domain filters to the amplifier circuitry. This repair increases power output from 300 to 430 watts per channel. The power supply is fixed by removing the voltage regulator for the main power supply. Then, the two main 58,000 microFarad 80 volt electrolytic filter capacitors are replaced by four new larger 100 volt filter capacitors. A 3 microFarad high frequency bypass capacitor is added to each channel. Other components are replaced as needed depending on what version of Eagle 7 is being upgraded to address all known issues and updates including all new much larger electrolytic capacitors. Time domain filters are added to the Eagle 7 for enhanced sonic performance and stability. Time domain filters reject ultrasonic signals from being amplified by the Eagle 7 making its job much easier. This setting gives the best sound and greatest stability. Class A operation to 8 watts. After the upgrade is performed the Eagle 7 is calibrated and goes into 96 hours of burn in. During burn in, calibration is checked several times to ensure stability of set points. At final calibration the amplifier is precision set for low distortion (typical 0.0025% THD). Because all parts which wear out have been replaced and the amplifier is brought to the latest standards, EKSC Eagle provides a two year transferable warranty on every unit. The Eagle 7 series historically gives at least 10 years of trouble free service after the power supply upgrade. The two options are factory service or a kit for the owner technician to install.
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