Krell Phantom MK. I Silver Finish 2 box PreAmp

Krell Phantom MK. I Silver Finish 2 box PreAmp this unit was made in October of 2011 and does NOT have the crossover section internally installed in fantastic shape, please see pictures,  with 1 previous owner. 1. We make the effort to accurately describe EVERY item that we sell.  2. We pack EVERY item so that it will arrive in the same condition as when we evaluated it. 3. We ALWAYS ship within 48 hours of payment. 4. We treat EVERY buyer with the courtesy and respect that we expect in return.  5. We treat EVERY transaction as if WE were buying it - we want EVERY buyer to be satisfied with his/her purchase.    PLEASE check out our other auctions - we ALWAYS have some of the WORLD’S BEST audio gear for sale 6. All CA Residents will pay Sales tax on all new items 7. All payments received by Credit Card or Paypal will pay 3.5% extra.  8. International Purchases require Wire/Bank Transfer as payment only Buyer pays all shipping costs please see our other adds for lots of great products!

Circuitry Highlights

 

The Phantom preamplifier is a dual monaural circuit design with the left and right channels afforded their own power supply regulation and individual full chassis sized boards. All signal gain is realized in surface mount topology using proprietary multiple-output current mirrors with nearly 500 times the open loop linearity of other designs 1.5 MHz open loop bandwidth in a zero feedback, balanced, Krell Current Mode design terminating in Krell CAST. A complete Krell system (source, preamp, and amplifier) system, connected using CAST interconnects reduces the number of voltage gain stages to the minimum, one. The resulting noise floor approaches the theoretical limit of technology. Negative feedback is not used anywhere in the preamp, nor is it necessary. Open-loop distortion is typically less than 0.003%. The volume control is realized with a balanced resistor ladder - bandwidth and transient response of the preamp circuitry are virtually unaffected by the volume setting.

 

Power Supply Highlights

 

The Phantom audio circuits receive power from a Krell Current Mode analog power supply housed in its own dedicated chassis. The power supply avoids the common integrated circuit topology used in many preamplifiers and instead mimics the design topology of Krell Evolution e Series amplifiers. The circuitry is completely discrete giving it the ability to respond quickly to current demands and also be unaffected by all but the most severe AC voltage power fluctuations. Oversized for a preamplifier, the power supply features a 290 VA transformer and 41,600μF of capacitance. Locating the power supply in its own chassis presents the ideal configuration for isolating stray electrical and magnetic interference from the critical preamplifier signal path. Capable of delivering current and voltage swing for any musical event, the Phantom power supply is gentle on AC requirements when not in use. A new eco-friendly design reduces standby power draw to 2W.

 

The Phantom preamplifier is offered in diamond-cut silver

Local pickup is available in store @ Sunny Components Inc, 1370 E. Cypress Ave. Covina, CA 91724 USA  www.sunnyaudiovideo.com 626-966-6259


Specifications Phantom Inputs 2 pr. CAST via 4-pin bayonet connectors 2 pr. balanced via XLR connectors 3 pr. single-ended via RCA connectors   Tape Input 1 pr. single-ended via RCA connector   Main Outputs 2 pr. CAST via 4-pin bayonet connectors 1 pr. balanced via XLR connector 1 pr. single-ended via RCA connector   Tape Outputs 1 pr. single-ended via RCA connector, buffered   Control Inputs 1 RS-232 input via a 9-pin D-subminiature connector 1 remote IR detector input via a 3-conductor 3.5 mm connector 1 12 VDC trigger input via 3.5 mm connector 1 preamplifier link via an RJ-45 connector   Control Outputs 2 individually programmable 12 VDC trigger outputs via 3.5 mm connectors 1 preamplifier link via an RJ-45 connector   Power Output 1 phono power output (+/-20 VDC) for KPE via a 9-pin D-subminiature connector Input Impedance CAST: 25 Ohms Balanced: 40 k Ohms Single-ended: 20 k Ohms   Output Impedance CAST: >1 M Ohms Balanced: 250 Ohms Single-ended: 125 Ohms   Gain 12 dB (CAST or balanced output) 6 dB (single-ended output)   Volume Control Balanced, current-mode, 16-bit, discrete R-2R ladder   Input Overload CAST: 12 mA RMS Balanced: 10 V RMS Single-ended: 6.5 V RMS   Output Overload CAST: 16 mA RMS Balanced: 16 V RMS Single-ended: 8 V RMS   Frequency Response 20 Hz to 20 kHz +/- 0.02 dB 0.35 Hz to 720 kHz +0, -3 dB   Total Harmonic Distortion Plus Noise Balanced Output: <0.003%, 20 Hz to 20 kHz, 4 V RMS or 4 mA RMS