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Discussion in 'Amplitude Modulation' started by W7TFO, Aug 19, 2016.

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  1. W7TFO

    W7TFO Platinum Subscriber Platinum Subscriber QRZ Page

    All the following are either NOS or very lightly used.

    All have been tested with at least 1kV or more in circuit for emission and no gas.

    Lewis & Kaufman 4E27...$20
    Eimac 100TH...$25
    Heintz & Kaufman 100T...$25
    Eimac KY-21...$30
    Eimac 4-125A...$25
    RCA 813...$25
    2 each Raytheon 4D32...$20 per
    2 each RCA 811A...$25 per
    ICE 250TL...$50
    2 each RCA 810...$35 per
    6 each 4B32 (Xenon sub for 872A) ...$10 per

    1966 ARRL Handbook, softcover, about mint...$20

    All plus whatever flat-rate box will fit, nothing over $20 for shipping.

    PayPal friends only this time, thanks.

  2. W7TFO

    W7TFO Platinum Subscriber Platinum Subscriber QRZ Page

    813, 811'S, HANDBOOK SOLD.
    N6YW likes this.
  3. N6YW

    N6YW Ham Member Volunteer Moderator QRZ Page

    Yeah baby!
  4. W7TFO

    W7TFO Platinum Subscriber Platinum Subscriber QRZ Page

    4-125 SOLD.
  5. W7TFO

    W7TFO Platinum Subscriber Platinum Subscriber QRZ Page

    100T, 250TL, 810's sold.
  6. W7TFO

    W7TFO Platinum Subscriber Platinum Subscriber QRZ Page

    I have an offer to buy the 4D32's, but I can't reply to your conversation.

    Please E-mail me and we can continue.

  7. K9STH

    K9STH Ham Member QRZ Page

    You should be able to reply to a conversation since you can post here!

    However, what is your E-Mail address?

    Glen, K9STH
  8. K4KYV

    K4KYV Premium Subscriber Volunteer Moderator QRZ Page

    Last week I purchased five n.o.s. HF-300s off ePay. It wasn't a bidding war; they were offered 'buy it now' for $50 each, with the option to return them within 14 days, return shipping at my expense, so I thought it was too good a deal to pass up. I have had terrible luck in the past with tubes shipped here being destroyed in transit, so I was on the edge of my seat till they arrived. Two days later they showed up on my doorstep via USPS Priority Mail. I documented every step of unpacking the boxes using my digital camera, and when I got them out of the containers, no pieces of filament or entire plate structures rolling round inside. The metal bases looked like they hadn't even been inserted in a socket, and all filaments lit up the first time I inserted each tube in the rig. Following RCA's recommended break-in procedure, I tested each tube, and they all balanced up very well in the push-pull final, made full power and modulation linearity was good.

    I'm glad the seller shipped via Priority Mail; I suspect FedUps would have managed to destroy all five in one blow. One advantage with Priority Mail is that they are in the hands of shippers/handlers for a minimal amount of time, giving them less opportunity to inflict damage. Plus, USPS people may have a better attitude about work and take better care of parcels than a few of those who work at FedUps. I now have 11 tested-good HF-300s, and plan to rotate them regularly for maximum shelf life.
  9. W7TFO

    W7TFO Platinum Subscriber Platinum Subscriber QRZ Page

    That is good news.

    T-200's work in those sockets as well, many are still out there NOS from the induction heating guys.

    I try and send all tubes using Priority Mail.

  10. KD2ACO

    KD2ACO Platinum Subscriber Platinum Subscriber Life Member QRZ Page

    That's "ShredNext" and "OoPS"! :p

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