1x Unitran type M3 EF8 PP output transformer | 5,5kΩ to 600Ω | 6V6 | early 50's

Description

Up for sale is a very nice
UNITRAN M3 EF8
push-pull output transformer from the early 1950's. Having a 5,5kΩ primary, the EF8 is ideal for a 6V6 or 6AQ5/EL90 output stage. The E81L (SQ) and other tubes would work very well too. It's your pick! Output is 600
Ω - perfect for a line stage, a preamp or whatever you high-end circuit you have in mind.
A B B A is your primary (B+B joined=B+). The middle pin, also marked "A" is transformer screen. 0 1 2 is the 600
Ω output, where '1' is your center-tap.
The primary measures approximately 475
Ω (DCR). Secondary measures 30,5
Ω (DCR).
The transformer is 100% tested. Rest assured. The aesthetic condition is excellent.
>
Dimensions: 9,5 x 6 x 7,5 centimeters.
> Weight: 1,5 kilos.
> The frequency response - 30 to 15kHz
DOES NOT
indicate
actual frequency response
. It's a broadcast specification.
The transformer comes from the Swedish Broadcasting Corporation. UNITRAN produced a lot for the European broadcasting industry.
Unitran output transformers are incredibly rare nowadays and they’re among the finest vintage audio transformers out there!
* Worldwide shipping is (registered and insured)
* Paypal only
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