YO-186 UO-186 WWII ∼ RE604 Vintage Power Triode Output DHT Tube Pair USSR.


YO-186 UO-186 WWII ∼  RE604 Vintage Power Triode Output DHT Tube Pair USSR.

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YO-186 UO-186 WWII ∼ RE604 Vintage Power Triode Output DHT Tube Pair USSR.:
$499.99


You are offerding for beautifulpair (2 pieces) famous Russian YO-186 (УО-186) output triodes coming from WWIItimes. YO-186 is near equivalent of Telefunken RE604 with higher voltage specifications.

Incredibly rare pairstored for years at personal collection for own use, but finally should go forsale. These tubes have brown bases and light bright plates instead of commonblack and really impossible to find anywhere else.

Both tubes were tested on Russian IL-14 tubetester before sale in following conditions:

220V plate voltage and 30Vnegative bias. Measured tube’s current is 56 & 57 mA. Perfect result!

Tubes were also placed toreal amplifier with auto bias.

These tubes sound amazinggood.

Channel 1: 369V, 78V bias,38,5 mA

Channel 2: 370V, 77V bias,38,5 mA

Perfect matched pair!

Data code isdifficult to see and make pictures for one tube, but figures are 4.1945 & 11.1945!

Note: amplifier is NOT included to this sale!


YO-186 UO-186 WWII ∼ RE604 Vintage Power Triode Output DHT Tube Pair USSR.:
$499.99

Buy Now