M e s s e n g e r    P r e a m p l i f i e r    S p e c i f i c a t i o n s


MkIII version:

* Tube complement-

... Linestage Preamp:
    2- 6AS7
    2-6H30Pi

... Phonostage:
    2- 6H30Pi
    2- 12AX7

* Input impedance:  250K

* Frequency response:  + or - 1/2 db @ 1Hz - 90KHz

* Maximum gain:  more than 20db

* Absolute Phase:
    linestage- Non-inverting
    phonostage- Non-inverting

* Output S/N ratio:  -90db

* THD:
    .007% @ 20Hz (0db ref)
    .035% @ 20Khz (0db ref)
.....35% @ 20Hz - 20Khz (+30db ref)

* Intermodulation distortion:  .15% (0dbref)

* Maximum output level:  +34dBm

* Maximum input level:  +28dBm

* Output Impedance:  50 ohms nominal

* Channel separation:  75db

* Inputs-
   6 sets of line level inputs for linestage
   5 sets of line level inputs and one phono input for full preamplifier

* Outputs-
   2 sets of ouputs

* Dimensions:
    Preamplifier- 17.5"W x 16"D x 5.75"H
   .Power Supply- 17.5"W x 11"D x 5.75"H

* Weight:
    Power Supply
    Preamplifier

MSRP: Linestage $15,000----with Phonostage $20,000

Due to our policy of continuous product improvement,
specifications may change without notice.

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