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Tuesday, August 19, 2014

3K Single Ended Output Transformer

3K Single Ended Output Transformer In Circuit Measurement - Level 3 - Amorphous Double C Core - Made for KT88 / KT90 / EL156.


Single Ended Pentode 
15Hz to 60kHz +/- 3dB
 Above are in-circuit actual operating measurement.
KT88 Pentode Mode.
2dB per column for Y-axis

Single Ended Triode 
5Hz - 60kHz +/-3dB
Above are in-circuit actual operating measurement.
KT88 Triode Mode
2dB per column for Y-axis

Power:30W(20Hz)
Frequency response:
* 20Hz(-1.71dB)—1KHz(0db)—20KHz(0.18dB) (Pentode mode)
* 20Hz(-0.16dB) (Triode mode)
UL: 40%
Primary Impedance: 3K
Primary DCR :135Ω(B-P,28℃),
Secondary DCR: 8 Ohm @ 0.62 Ohm
Primary Inductance:26H (measured at 140mA,20Hz,5Vrms)
Max Pri DC:240mA (recommended 150mA)
Matching:
* DCR 2% (0.2 Ohm)
* Primary Inductance 5% (1H)

J&K Audio Design
8/19/2014

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* Finished amplifiers, DACs, audio gadgets, upgrades and repairs - this is not our core business and we do it out of passion. We do not have fixed models, fixed price and we customize for each individuals. The sky is limit of creativity.

* Our product lines are always improving and increasing. If you do not see what you want, contact us!

* Please email for volume discounts, distributor and OEM pricing.

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