OTOMON Laboratory　(音門ラボ) / Used Pair Hirata Tango OPT special order made orient High-B Cut core same X series 3K

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Used Pair Hirata Tango OPT special order made orient High-B Cut core same X series 3K

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Used Pair Hirata Tango OPT special order made orient High-B Cut core same X series 3K

Manufacturer:: Hirata TANGO

Audio Transformers > Output transformers

Here are pair of early Hirata Tango single end output transformers, special order made, primary is 3Kohm, secondary 4,8,16 ohm. It used orient High-B cut core, same as X series.

This is special version with NFB terminal 64ohm .This is commercial version of X-3.5S which use the same cutting core orient High B. Perfect matching for 2A3, 300B, PX-25, 800, 808, 811 tube amplifier.

* Primary: 3Kohm/ Secondary 4,8,16ohm,
Max allow DC current 170mA,
Response frequency : 18Hz ~ 80K Hz.
Primary inducdance: 18~23H

Pin connection :

6-7: 64ohm Negative feedback
9-11 : B-P 10:SG
4-5-6-7: 0-4-8-16 ohm

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