$6.95

Crown D-150 Service Bulletins
[D-150]

Service Bulletins for Crown D-150 Stereo Amplifiers. 5 separate bulletins addressing various issues with this amplifier. These bulletins are also included in the full Crown D-150 Stereo Amplifier Service Manual, available HERE.

Models Applicable: D-150

Format: Download/PDF

Contents:

    bulletin# 11-28-1972
      Re: Substituting ua739 with ua749 & circuitry modification required
    bulletin# Comp 1001
      Regarding: amplifiers that exhibit a tendency toward premature thermal cutoff.
    bulletin# Comp 1004
      Re: CPN 3773F fairchild outputs used in D-150 batch
      Re: S/N #D-4874 through/including #D-4923
      Re: Replacement notes and required modifications when going from 3773F to any other 3773 version.
    bulletin# Comp 1008
      Applies to: SN# D-8359 to D-8728
      Re: exhibit marginal THD at 400hz. Modification/fix.
    bulletin# Comp 1014
      Regarding issue: IM distortion out of spec.

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