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P90I

Pacific Creek P90I is a 50 Watts per channel stereo integrated 6CA7/EL34 push-pull amplifier, operating in "Ultra-Linear" mode, which offers triode like lower distortion and pentode like higher power efficiency.  P90I uses a minimum amount of NFB (Negative FeedBack), i.e., 2.5 dB to ensure a warm and detailed reproduction of sound.  Without the typically large NFB in a push-pull amplifier to cover up distortion, P90I depends on the clean outputs of good output transformers to achieve the specification below at high power. 

The driver stage (6SN7GT) and pre-driver stage (12AU7) of P90I are designed to accept a wide range of tubes from various manufacturers while maintaining optimal bias.  This allows the user to fine tune the sonic experience according to his personal taste.

Features and Specifications*

  • Integrated amplifier with CD/TUNER/AUX1/AUX2 inputs
  • 50 Watts r.m.s. per channel
  • Potted transformers 
  • Independently adjustable bias (one per tube, four total)**
  • Ultra Linear Mode
  • Point-to-point wiring (except for the bias control)
  • Choke loaded filter
  • 5-way binding posts for 4 and 8 Ohms speakers
  • Total Harmonic Distortion (T.H.D.) @ 1kHz, 8 Ohms:
    • Less than 1% at 35 Watts
    • Less than 2% at 45 Watts
    • Less than 5% at 50 Watts
  • Frequency Response***
    • 15Hz - 35 kHz (-3 dB)
    • 20Hz - 22 kHz (-1 dB)
  • Background Noise Level: Less than 3.5 mV r.m.s. at 8 Ohms
  • Tube Complements
    • Electro-Harmonix 6CA7EH or equivalent x 4

    • Electro-Harmonix 6SN7EH or equivalent x 2 
    • 12AU7 x 2
  • Input Impedance: 47 KOhms
  • Power Source: 120VAC 
  • Power Consumption: 220 Watts
  • Dimension: 17" (W) x 15" (D) x 8" (H)
  • Weight: 65 lbs

* Specifications are typical and subject to change without notice
** Bias meter (multi-meter) capable of reading 0.5VDC nominal is not supplied
*** Distortion is higher at upper and lower frequencies

PRICE: $1,899.00
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