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Description
32 pcs PL504 Telefunken NOS GRAAF GM200 OTL Matched 2x16 pcsPL504 TELEFUNKEN 32 tubes (2 x16pcs matched) of rare PL504 TELEFUNKEN, the same codes, from the same batch (80 pcs styrofoam master packs). We had more then 500 pcs of these tubes, and all sextets are carefully tested and matched by plate current on my Metrix U61 B tester. Due to big number of tested tubes, they are matched within 5% or less!!!
PL504 TELEFUNKEN
32 tubes (2 x16pcs matched) of rare PL504 TELEFUNKEN, the same codes, from the same batch (80 pcs styrofoam master packs).
We had more then 500 pcs of these tubes, and all sextets are carefully tested and matched by plate current on my Metrix U61-B tester. Due to big number of tested tubes, they are matched within 5% or less!!!
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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4.9 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 3
Does what it does
Does what it does
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Reviewed in the United States on November 10, 2025
★★★★★ 1
Failed after 2 months
Failed after about 2 months of being used as a battery isolator. When activated, only passes about 2 volts though the contacts on a 12 volt circuit now. Wasted my time and money.
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Reviewed in the United States on August 26, 2025
★★★★★ 4
Works great
I used this to turn on with key on power in my truck. Power then goes through this and turns on my key on fuse panel. That way I can run a much larger cable from the battery to the fuse panel instead of pulling power through the ignition switch, where power output is limited. So far it doesn't get hot, though I am not running anything close to 500 amps through it. More like 75 amps max and even then it's only sometimes. No problems so far.
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Reviewed in the United States on July 28, 2024
★★★★★ 5
Heavy duty and has lasted three years so far
I have had this relay installed in the engine bay of my Lexus RX 300, functioning to link the front battery to the additional battery in the trunk whenever the ignition is on. The relay has worked reliably for about three years now with no complaints besides one minor comment, be careful when threading down the nut on the Low voltage side. It is prone to stripping
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Reviewed in the United States on March 24, 2025
★★★★★ 5
It delivers as advertised.
Works as advertised, and is easy to install.
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Reviewed in the United States on August 18, 2025