RCA 40409 & 40410 Transistors - diyAudio
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Old 18th November 2009, 03:21 AM   #1
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Join Date: Sep 2009
Location: Phoenix, AZ
Default RCA 40409 & 40410 Transistors

There is a seller on ebay who has these for $39.99 for 10. I've seen these for as much as $15/ea online.

These transistors were used in a lot of the old Acoustic Control & Kustom guitar and bass amps, as well as McIntosh, Heathkit, & other hifi gear.

I bought the 2 sets & they appear to be genuine old stock parts. The leads are oxidized and the cases are dusty. I specifically asked the seller about counterfeiting and he assured me that they are from old stock sources.

1 of my 40409s is bad (tests open on every junction with diode test, ohmmeter & transistor checker). So, 19 out of 20 ain't bad.

Search for RCA 40409 or 40410 on ebay. The seller is jaxele (Jax Electronics). I have no affiliation or interest in this seller.

Pix of what I received:
Attached Images
File Type: jpg 40409-1024.jpg (136.5 KB, 159 views)
File Type: jpg 40410-1024.jpg (167.4 KB, 136 views)
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