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24/07
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Generic Ultra Low Distortion Mk.3 135W Stereo Amplifier Kit
(Silicon Chip Magazine Mar-May 12)A stunning low distortion, high power stereo amplifier designed for superb performance in any 2 channel audio system. It delivers 135WRMS per channel into 8 ohms (or 200W RMSinto 4 ohms). It utilises two of the K 5154 Mk. 3 amplifier module kits, plus power supply board, toroid, speaker protector kit, input and pre-amp boards - all supplied in a stylish 2RU all metal chassis. Silicon Chip have vastly improved the performance of the amplifier modules over the Mk. 2 edition. It features less than half as much distortion at frequencies of 2kHz or above. It also boasts much improved thermal stability &latter frequency response. Produces incredibly low levels of distortion even at high power outputs. The class AB design runs much cooler than genuine class A amps, without sacrificing performance.Important Note For Kit Buyers:This product is supplied in component form and requires soldering, drilling, and assembly. We recommend users are familiar with at least basic electronic principles and have the ability to solder.Features- Professional quality screened front and rear panels
- Class A-B design with a very low 0.0006% distortion
- 135 Watts RMS per channel (8)
- Passive Heatsink cooling for silent operation
- Heavy duty speaker terminals
- Speaker protection
- Case CNC machined and punched for accuracy and finish
- Tough texture powdercoated chassis
- Three RCA line inputs
- Desk or rack mountable with included rack ears and handles
- LED power meters
- Toroidal transformer for reliability and performance
- Internal spade and RCA connections, no need to solder wires
- AC and DC fuse protection
- Output Power (230VAC mains): 200 watts RMS into 4; 135 watts RMS into 8
- Frequency response: +0, -0.3dB (8); +0, -1.0dB (4) 10Hz-20kHz (see Fig.5)
- Input sensitivity: 1.26V RMS for 135W into 8; 1.08V RMS for 200W into 4
- Input Impedance: 12k
- Rated Harmonic Distortion (8): <0.004% 20Hz-20kHz, typically 0.0006%
- Rated Harmonic Distortion (4): <0.007% 20Hz-20kHz, typically 0.0006%
- Signal-to-Noise Ratio: 123dB unweighted with respect to 135W into 8 (22Hz to 22kHz)
- Damping Factor: ~180 with respect to 8 at 1kHz &elow
- Stability: unconditionally stable with any nominal speaker load 4
*Specifications are subject to change without notice.
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