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155-0236-00 Channel Selector A1U400 for Tektronix 2400 series analog ocilloscope, US $185.00 – Picture 0
155-0236-00 Channel Selector A1U400 for Tektronix 2400 series analog ocilloscope, US $185.00 – Picture 0

155-0236-00 Channel Selector A1u400 For Tektronix 2400 Series Analog Ocilloscope

US $185.00

  • Antioch, California, United States
  • Jan 29th
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  I am offering you a tested good Channel Selecting U400 IC for any of the 2400series analog scopes. Tek would have charged at least $250 for one of these until the late 1990s, when they quit supplying them. Also, from 1995 on, those Tek supplied labeled "Maxtek" instead of "Tek" proved to be less reliable. I am supplying pre-1995 "Tek". The most common symptom of a bad U400 is reduced bandwidth and positional distortion on CHs 1 & 2 (but not on 3 & 4). Some recalibration with a Tek PG506 may be required upon replacing. If you can't (or don't want to) do that, you can instead go for my other listing that for $600 includes parts & recalibration by me. Since I have multiple quantity of these, date codes on those you'll get may differ from photo. This IC (& U800) is in the shortest supply (relative to demand) in the 24__, which accounts for its price being higher than for most others. Of the $185 price, about 10-11% goes to pay Ebay sales commission which gives you the right to grade me in feedback, and about 3-4% goes to Paypal which buys you speed and consumer protection, and $5 goes to Mail. I'll only see 86% (or $155), some of which is justified by this item's scarcity, and the rest by the testing that's needed to insure you get a good one.   I ship worldwide. Ebay & Paypal require I ship by carrier/method that includes tracking & delivery confirmation, which public Airmail is not good at outside US, thus requiring use of ebay's Global Shipping, or of FEDEX.   California resident buyers pay sales tax.
Condition Used :
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.
Seller Notes “tested working”

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