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Manley Purist Preamplifier

 

Our entry level model, the (line-only) MANLEY PURIST PREAMPLIFlER sets the pace with many of the features common to all our preamplifiers. This preamp is extra flexible in the gain control section. The "Volume" control attenuates the incoming signal level while the "GAIN" switch sets overall gain of the input stage by switching the first cathode resistor. But our favourite knobs are definitely the individual "Balance" controls which adjust the negative feedback. For more information about variable feedback, read "Notes on Negative Feedback".

 

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Manley Purist Preamplifier Specifications

  • Vacuum Tubes: 2 x 5751,  2 X 6414
  • Five line level inputs
  • MUTE switch
  • Precision Stepped volume control
  • Record Output
  • Balanced XLR and unbalanced RCA main outs
  • Gain with FB @MIN: H=16, M=12, L=10dB
  • Gain with FB @MAX: H=25. M=22, L=19dB
  • Frequency response: 10 Hz - 80 KHz
  • Noise Floor: typically -70 dB
  • S/N ratio: typically 95 dB A WGT 20-20K
  • Input Impedance: 100 Kohm
  • Output impedance: 50 ohms
  • Power Consumption: 33 Watts (275mA @ 120VAC)
  • Operating mains voltage: Units are purpose built for original destination country's mains voltage:   
    100V, 120V, or 220-240VAC as indicated on the serial number badge. Power transformer must be replaced in order to change mains operating voltage.
    120VAC units may NOT be rewired to put the primaries of the power transformer in series for 220-240V operation or a large radiated field of hum will develop. If changing locations/voltages, the power transformer must be replaced with the dedicated one for the voltage at which it will operate.
  • Mains Voltage Frequency: 50~ 60Hz
  • Dimensions: W=19", L=11", H=3 1/2"
  • Shipping weight: 13 Ibs.

Manufacturer's Suggested Retail Price: $1,650

STATUS: Discontinued (lives in the mausoleum)

 

Get the owner's manual PDF

 

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