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Saturday, May 7, 2016

Level 2 Push Pull OPT

Level 2 (medium-high end) Push Pull Transformers 

* Representative data but not comprehensive. Please email us if you do not find what you need.
* Permalloy Cut core (C core) is available too with 10% additional charge, not for all sizes. Please email.


ModelSpecificationsPrice
 L2-40PQUADTube: KT66, EL34, 6CA7, 5881
Cont. Power: 40W(30Hz) Push Pull

QUAD II replacement OPT

* Follows original amplifier materials and method of windings. Primary DC resistance, primary inductance, size, mounting mechanism and size are according to the original design.
* Measured output transformer performance is better than original.  
U$790/pr





ModelSpecificationsPrice
*L2-35PP50
**L2-35PP55
***L2-35PP66
Tube: 2A3, KT66, EL34, 6L6, and etc
Cont. Power: 35W(30Hz) Push Pull
*Imp: 5K-UL-0, 0-4-8-16 Ohm (others, please email)
**Imp: 5.5K-UL-0, 0-4-8-16 Ohm (others, please email)
***Imp: 6.6K-UL-0, 0-4-8-16 Ohm (others, please email) 
Feedback tap: please email
DC: 125mA x2 max, unbalance DC <5mA max
Freq: 6Hz - 65kHz @ -3dB (in circuit)
Loss: 0.25dB
Weight: ~9KG/pair 
U$640/pr

* Potted in grey case with wiring turrets* OFC magnet wire, hybrid EI alloy core
* Flat frequency response from 10Hz - 30kHz 
* Low distortion, low core loss
* Customization - please email   


ModelSpecificationsPrice
L2-50PP50Tube: 2A3, 300B, KT88, and etc
Cont. Power: 50W(30Hz) Push Pull
Imp: 5K-UL-0, 0-4-8-16 Ohm (others, please email)
Feedback tap: please email
DC: 150mA x2 max, unbalance DC <6mA max
Freq: 6Hz - 50kHz @ -3dB (in circuit)
Loss: 0.25dB
Weight: ~12KG/pair (standard), ~15KG (oil filled)

* Potted in grey case with wiring turrets
* OFC magnet wire, hybrid EI alloy core
* Flat frequency response from 10Hz - 30kHz 
* Low distortion, low core loss
* Customization - please email   
U$990/pr (std)
U$1590/pr (oil)
L2-50PP55Tube: 2A3, 300B, KT88, and etcCont. Power: 50W(30Hz) Push Pull
Imp: 5.5K-UL-0, 0-4-8-16 Ohm (others, please email)
Feedback tap: please email 
DC: 150mA x2, unbalance DC <6mA
Freq: 6Hz - 65kHz @ -3dB (in circuit)
Loss: 0.25dB   
Weight: ~12KG/pair (standard), ~15KG (oil filled)

* Potted in grey case with wiring turrets
* OFC magnet wire, hybrid EI alloy core
* Flat frequency response from 10Hz - 30kHz 
* Low distortion, low core loss
* Customization - please email
U$990/pr (std)
U$1590/pr (oil)
L2-50PP60Tube: 2A3, 300B, KT88, and etcCont. Power: 50W(30Hz) Push Pull
Imp: 6.0K-UL-0, 0-4-8-16 Ohm (others, please email)
Feedback tap: please email 
DC: 150mA x2, unbalance DC <6mA
Freq: 10Hz - 50kHz @ -3dB (in circuit)
Loss: 0.25dB   
Weight: ~12KG/pair (standard), ~15KG (oil filled)

* Potted in grey case with wiring turrets
* OFC magnet wire, hybrid EI alloy core
* Flat frequency response from 10Hz - 30kHz 
* Low distortion, low core loss
* Customization - please email
U$990/pr (std)
U$1590/pr (oil)


J&K Audio Design
5/8/2016

Product Lists  

Level 0




Level 3: depends on type, size and complexity. Email us for details.

Iso-trans: link 1, link 2
* 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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Product Lists

Product Lists

Level 0: link 1

Level 1: link 1, link 2, link 3, link 4

Level 2: link 1, link 2, link 3, link 4, link 5, link 6, link 7, Link 8, link 9

Level 3: depends on type, size and complexity. Email us for details.

Iso-trans: link 1, link 2

Power-trans: link 1

* 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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