Output Transformers - ALIS

ALIS = Advance Level I(1) Series Output Transformers
* Much better performance than standard Level 1.
* Close to Precision Wind but not there yet.
* Standardization for affordability.
* Price updated (2016)

Model	Specifications	Price
ALIS-5SE Click for measurements.	Power: 25W(20Hz) Single Ended Bandwidth: * Pentode: 20(-2.5dB) -50kHz(-1dB) * Triode: 10(-1dB) -50kHz(-1dB) Primary: 3.5K, Secondary: 0-4-8 Ohm DCR: 216 Ohm(B-P); 1.05 Ohm(Sec 0-8 Ohm) Primary Inductance: 28H(@75mA, 40Hz, 5Vrms) Primary Current: 80mA (120mA max) Core: Z11 EI86 * Matched at actual operating condition! * Fully shrouded, upright, with leads out. * Suitable for EL34,KT66,807,6L6,5881,6P3P,etc.	U$299/pr
ALIS-5SE MK2 Click for measurements.	Power: 30W(20Hz) Single Ended Bandwidth: * Pentode: 20-65kHz(-1dB) * Triode: 10-40kHz(-1dB) Primary: 3.5K, Secondary: 0-4-8 Ohm DCR: 215 Ohm(B-P); 0.96 Ohm(Sec 0-8 Ohm) Primary Inductance: 34H(@100mA, 20Hz, 5Vrms) Primary Current: 90-100mA (120mA max) Core: Z11 EI96 Size: ~100mm x 80mm x 95mm (H), mounting holes ~80mm x 65mm. * Matched at actual operating condition. * Fully shrouded, upright, with leads out. * For higher impedance beam/pentode or triode. * Especially for KT88, 6550 and etc. * Extended bass version.	U$409/pr
ALIS-5SE Ultimate Click for measurements.	Power: 30W(20Hz) Single Ended Bandwidth: *Actual measured with 0 feedback *300B: 9-70kHz +0/-1dB), 15-45kHz +0/-0.5dB *2A3: 11-75kHz +0/-1dB), 17-50kHz +0/-0.5dB Primary: 3.5K, 2.5K; Secondary: 0-4-8-16 Ohm Pri. DCR: 82.5 Ohm(B-P2.5K); 97.5 Ohm(B-P3.5K) Sec. DCR: 0.67 Ohm (0-16 Ohm) Primary Inductance: 18H(@80mA, 20Hz, 5Vrms) Primary Current: 65-85mA (100mA max) Core: Special Mix Hybrid Cores - EI96 * Matched in actual operating condition! * DCR <1 data-blogger-escaped-br="" data-blogger-escaped-inductance="" data-blogger-escaped-primary=""> * 350V B+, -80V bias, 40Vpp in, at 8 Ohm. * Fully shrouded, upright, with leads out. * Especially suitable for 2A3 and 300B. * Level 1 Ultimate.	U$469/pr
ALIS-845SE Ultimate	Power: 50W(20Hz) Single Ended Bandwidth: * Actual measured with 0 feedback on 845. * 20(-0.3dB)-20kHz(-0.3dB) * 20-20kHz +/-0.16dB Primary: 10K; Secondary: 0-4-8 Ohm Pri. DCR: 275 Ohm Sec. DCR: 0.25 Ohm (0-8 Ohm) Primary Inductance: 51.5H(@100mA, 20Hz, 5Vrms) Primary Current: <=100mA (120mA max) Core: SiFe Amorphous Double C Core Size: 122(L) 122(W) 128(H) Weight: 13KG/pair * Matched in actual operating conditions. * DCR <1 data-blogger-escaped-br="" data-blogger-escaped-inductance="" data-blogger-escaped-primary=""> * Measurement graph provided. * Shuguang 845, Vp 900V Ip 80mA 8 Ohm tap 1W. * Potted. * Special made for 845.	U$1090/pr
ALIS-5PP Click for measurements.	Power: 50W(30Hz) Push Pull Bandwidth: UL 10-60kHz +/- 0.5dB Primary: 5K, Secondary: 0-4-8 Ohm DCR: 166 Ohm(Pri, P to P); 0.62 Ohm(Sec 0-8 Ohm) Primary Inductance: > 160H Connections: P1 - UL1 - B - UL2 - P2 Core: Z11 EI86 * Matched in actual operating conditions. * DCR <1 data-blogger-escaped-br="" data-blogger-escaped-inductance="" data-blogger-escaped-primary=""> * Fully shrouded, upright, with leads out.	U$329/pr

J&K Audio Design
17 May 2014

Product Lists  
Level 0

Level 1: link 1, link 2, link 3

Level 2: link 1, link 2, link 3, link 4, link 5, link 6 

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.