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ProLogue Six |
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Description |
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The ProLogue Six shares much of its basic circuitry with the ProLogue Four stereo power amp. The novel phase-splitter and driver stage implementation have been adapted for monaural functionality in linearity, distortion, and power delivery. We accomplish this by using an industry-unique dual-feedback topology: Cross-coupled current feedback for superior impulse behaviour and gain stability at any level. We use very small amounts of negative feedback for a more precise gain setting, lower distortion, and lower output impedance. This feedback technology effectively cancels the byproducts of negative feedback, thus creating an amplifier circuit that gives you all the benefits of properly implemented feedback, but without the drawbacks. Newly designed PrimaLuna wide-band low-loss output transformers designed to handle more difficult speaker loads. A 2 Ohm tap is included in addition to the 4 Ohm & 8 Ohm taps. As with all PrimaLuna amplifiers, the ProLogue Six comes standard with Adaptive AutoBias, fuse protection, and soft-start circuitry for extended tube life.
70W mono power amplifier
Tubes: 2 x 12AX7, 2 x 12AU7 and 4 x EL-34
Input: RCA single-ended
Outputs: 2, 4 and 8 Ohm
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Specifications |
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Power: 70 Watts per channel
Frequency-response: 20Hz – 85kHz +/- 1dB at rated power; 11Hz – 120kHz –3dB @ 1W
THD: <0,1% at 1W …10W; max 1,5% at rated power into resistive load
S/N ratio: 101dB (unweighted) ref full power
Input Impedance: 100 kOhm
Input sensivity: 911mV rms input for rated output power
Power consumption: 115W @ idle; 210W @ rated max. power
Net Weight (each): 37.5 lbs / 17 kg
Shipping Weight (each): 41.9 lbs / 19 kg
Dimensions: (inches): 15.5” x 11” x 7.5” (mm): 395 x 280 x 190 (L x W x H)
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