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williamson

  1. kcline

    Changes in local AC Voltage since Virus Stay at Home Orders

    When I use my Analog Room #1 System the normal amp is my pair of Heathkit Williamson W-3AM monoblocks.These are from 1954 and I run those with my Jorgensen Line Voltage Corrector. It can Buck or Boost + or - 12 volts or + or - 24 volts adjustable with the control. I run these at 115 to 117...
  2. zackthedog

    Heyboer Williamson Bode Plots

    So I ran two Bode plots on the Heyboer Williamson using an FRA analyzer with Picoscope, helpfully suggested in a previous thread. The first shot is *without* the step network and phase lead cap, the second shot is *with* the step network and phase lead cap in place. The built-in function...
  3. zackthedog

    First attempt at testing

    Bear with me, no laughter please. ;-). My summer goal is to teach myself to tune my amps. I just got my GW Instek GOS-620 scope and Koolertron portable function generator. I set up my breadboarded Williamson amplifier with Heyboer's Peerless S-265-Q reproductions, using the 8 ohm taps with an...
  4. trobbins

    Sansui's Williamson output transformers HW-731 and HW-733

    Does anyone have any technical details on the two Sansui output transformers that are identified as for the Williamson amp, and know if any very early Sansui made amplifiers used those output transformers? It looks like a Williamson 'kit' amplifier may have used the HW-731...
  5. tutor turtle

    Peerless 16039 output transformer needed for Heathkit W-5M

    I took a pair of these mono-blocks in for recapping/restoration. The good news is, I found out the incredible cult following these amplifiers have, which implies the customer is less likely balk at the bill. The bad news is after doing all the work of replacing the caps and resistors, one of the...
    • tutor turtle
    • Thread
    • heathkit peerless 16309 peerless 16458 w-5m w5m williamson
    • Replies: 12
    • Forum: Tube Audio
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