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PrimaLuna ProLogue Premium Preamplifier

22,995 kr

Nollställ
  

Incorporating the best electronic elements of the original ProLogue Three, plus selected ground-breaking features from the more advanced DiaLogue Series, the next generation ProLogue Premium Preamplifier is an engineering marvel — setting a new benchmark in high-performance audio with the following features:

  • Home theater pass-thru. Straight from the critically-acclaimed DiaLogue Series, this direct-line circuitry means less noise and coloration over unity gain circuits.
  • New power transformers. Heavy-duty, dual-mono, power transformers increase control and detail. Addional windings were added to each transformer for improved synergy with the optional PhonoLogue MM Phonostage. The preamp weighs in at a substantial 37.5 pounds.
  • New front end circuitry. Optimized to use two 12AU7 tubes per channel. Combines with the improved power transformers to further lower distortion, dropping by a factor of 20 at output levels above one volt! This in turn dramatically improves sound quality.
  • PTP-circuit. If the power transformer should overheat, this innovative “Power Transformer Protection” circuit cuts primary power, allows the preamp to cool down, then resets itself.
  • Point-to-point wiring and premium parts including ALPS Blue Velvet potentiometer, Solen and Swellong capacitors, ceramic tube sockets, gold plated RCA jacks.
  • Tube rectification using two 5AR4 tubes, one for each channel. Designed with no cathode followers for a vibrant midrange, creating a three-dimensional soundstage rarely encountered.
  • Low noise achieved with DC heater supply and 12 dB of gain. The power supply is perfectly de-coupled with an ultra-wideband, constant source impedance, and low corner frequency of over two octaves below the audio bandwidth (4Hz).
  • Non-inverting and has two pair of outputs so you can easily bi-amp or add a powered subwoofer. Fixed tape out included for recording, or adding an external headphone amplifier.
  • Hand-rubbed, high-gloss finish with black or silver faceplate and quick-release tube cage.
Frequency response 4Hz-85kHz +/- 3dB
THD Less than 1% at full power
S/N Ratio 109 dB unweighted
Input Impedance 100 kOhm
Input Sensitivity 200mV
Output Impedance 2800 Ohm
Maximum Gain 12 dB
Power Consumption 46 Watts
Net Weight 37,5 lbs – 17 kg
Dimensions 14.5” x 8” x 15.5” – 37 cm x 20 cm x 40 cm (WxHxD)
Inputs 4 pair RCA, 1 pair HT bypass
Outputs 2 pair variable pre-amp outputs
Tube Complement 4 – 12AU7
2 – 5AR4
Färg

Svart, Silver

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