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Friday, May 16, 2014

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)


ModelSpecificationsPrice
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

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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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