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JJ Hi-end electron tube Technology

All materials used in the manufacturing of our tubes comply with the most stringent quality requirements.

In tube manufacturing, the fundamental requisite for the best production results is to maintain as high mechanical precision for assembly as possible. JJ Electronic uses assembly precision of no more than ? 0.02 mm.

Before they are assembled, all parts are thoroughly cleaned using such methods as the ultrasonic bath, chemical cleaning or annealing in an inert gas atmosphere (hydrogen, nitrogen).

A thorough inspection is performed on every component of the tube internal system before assembly. Assembled systems are then sent to sealing in a glass envelope. During the sealing procedure, the temperature of the glass pass-through joints must be controlled and joints are gradually tempered to relieve the inherent thermal stress.

Next, the assembled glass envelopes are evacuated by mechanical and diffusion vacuum pumps. During this process, the cathode emission coating is activated. All internal parts are heated by a high frequency heater and any spurious dust particles are evacuated. Finally, the getter rings are activated, while they absorb any residual gas inside the glass envelope of the tube.

Every tube is then electrically tested for all parameters which are the key to a flawless operation and a great sound. Specifically, these parameters include: leakage characteristics, internal vacuum level, cathode emission capability, filament voltage and current, anode current saturation level, microphony and others.

12AU7 EH Gold Pin

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12AX7 Gold Pin

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2A3 EH GOLD Grid Matched Pair

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300B EH GOLD Grid Matched Pair

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EL 34 Mullard

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KT88 Gold Lion Matched Quad

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Tube Socket

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มาใหม่แล้วครับ รุ่น Sliver Gold Z-cap สุดยอดอีกระดับจาก JantzenAudio, Denmark แนวเสียงสไตล์ Audiophile สดใส ปลอดโปร่ง ครบถ้วนทุกรายละเอียด

Obbilgato Copper case, 0.33uF มาแล้วครับ

Electro Harmonix : 6922 Gold Pins, 6CA7 Big Bottle

Sovtek : 2A3

JJ Tesla : EL34, 300B, EL84

Svetlana: EL34

Tungsol: 12AX7, EL34B มาแล้วครับ

ขณะนี้ทางร้านได้เปลี่ยนเบอร์โทรศัพท์เพื่อการติดต่อที่ดีขึ้น จาก 081-734 3545 เป็น 087-497 9898. ส่วนemail ยังเหมือนเดิมคือ This e-mail address is being protected from spam bots, you need JavaScript enabled to view it

เวลาทำการ 8โมงเช้า ถึง 6โมงเย็น จันทร์-เสาร์ หยุดวันอาทิตย์

Currently, we have changed the contact phone number from 081 7343545 to 087 497 9898 for a better service. The contact email address remains the same This e-mail address is being protected from spam bots, you need JavaScript enabled to view it

Operating hours: 8:00 - 18:00 Hrs. Mon-Sat. Closed on Sunday.

Upgrade เครื่องเสียงหลอดโดย

High Voltage regulator Low Voltage regulator

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Obbligato	Noske SE	EL 34 Mullard
AC Plug	AC Outlet	300B EH GOLD Grid Matched Pair