Krell KSA-200 Krell: A Great Amplifier
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| Condition | |
| Payment methods | Contact seller |
Contact seller after sale to pay viaCertified check or Wire Transfer | |
| Ships from | Santa Cruz, CA, 95060 |
| Ships to | United States |
| Package dimensions | 24.0" × 18.0" × 14.0" (125.0 lbs.) |
| Shipping carrier | UPS |
| Shipping cost | Log in to see price |
| Original accessories | Box, Manual |
 Average | Research Pricing |
Krell KSA-200S
Single owner since new and other than a minor heat sink blemish it is in perfect condition, thus rated 8/10.
Krell's new KSA-200S is a large stereo chassis, conservatively rated at 200Wpc into 8 ohms (23dBW). The rating continues to double down to a 1 ohm loading, where a 1600Wpc output is specified. Krell's proprietary output-stage bias system delivers dynamic class-A operation up to the maximum 8 ohm power rating, with an increasing proportion of class-AB operation with the higher current associated with lower load impedances. This "Sustained Plateau" biasing scheme is said to offer the sonic benefits of pure class-A without the massive energy inefficiency and correspondingly huge, hot heatsinks. The energy-conscious KSA-200S idles at 120W. If it ran in pure class-A, it would have to idle at around 1kW—over eight times as much wasted energy drawn from the wall.
The KSA-200S accepts unbalanced (RCA socket) and balanced (XLR) inputs. Optimum operation in unbalanced mode is obtained with shorting links tying the unused "cold" XLR terminals to ground. This achieves the lowest hum and noise performances.
Questions for the seller |
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| How old is the unit? The unit is from approximately 1996. It is sonically in very good condition. It recently was used with Thiel CS 3.6 speakers which were extremely revealing. The unit held it own and more. |
| Has it been serviced? After a discussion with Krell it was decided that it did no need service and further they recommended not sending I in unless it did indeed need service. |
| Would it accept banana cables XLR balanced or spade are the options for connection. |
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