Author: Admin

Shipping Cost of Big Tubes

For bigger tubes like 300B, 2A3, 45 etc we recommend Fedex shipping rather than regular airmail. Fedex shipping cost of ONE pair :US, Canada $36Europe $49Russia $59 Australia $34UAE $59 South east Asia $23Hong Kong, Macau,Singapore, Taiwan $18 Fedex shipping cost of the second pairUS, Canada $11Europe $16Russia $18Australia $11UAE $18South east Asia $6Hong Kong, […]

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Our tube test

A common way to test the tube is to measure the plate current at a certain voltage. However that measurement cannot tell the whole picture. Therefore we test our tubes in a better way – using a curve tracing test.

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TJ 300B solid plate vs mesh plate vs 300B/Se vs 300B/CNE vs 300B/Q

Mesh plate 300B was developed in 2001. It’s one of the most matured tubes from TJ. It is popular for its warm sound. This was the one reviewed in EnjoyTheMusic.com. Mesh plate 300B is available in globe shape and ST (dome) shape. 300B/SE was developed in 2005. “Our panel agreed that the new carbon plate SE […]

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Shipping Arrangement During Aug 2019 Relocation

IMPORTANT NOTICE: Shipment of certain items are temporarily affected by our relocation until mid-Sep 2019. There is limited number of stock in Hong Kong that is available for immediate shipment. Some items are already in the Philippines and can be shipped directly from the Philippines by Fedex, or can be sent by airmail via Hong […]

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Shipping Options

International Mail Fedex Express Processing Time: Same day or one working day (unless we run out of stock) Delivery Time: around 3-5 working days Tracking Facilities: ★★★★★ Tracking link: https://www.fedex.com/apps/fedextrack/?action=track Shipping cost of small parts below 500g: $16-$42 (more details here) Hong Kong Post Airmail Processing Time: Orders that are placed before Tuesday will be […]

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Our Dynamic History

Moving warehouse is like a yearly event for us because we have to adopt to the changing environment. This month we are moving to our 10th warehouse across the ocean to the Philippines, where experienced tube audio technicians are available. Of course operating cost is much lower than Hong Kong as well. The only problem […]

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Lower Fedex Shipping Rate Starting Sep 2019

Fedex shipping is now lowered because we can ship from the Philippines which was once a U.S. territory. Our new warehouse will be ready starting September 2019. Then you will be able to enjoy our lower Fedex rate.

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Autoformer Volume Control AF-28PC/PB

The AF-28 – an introduction  The AF-28 is a high performance core component for a magnetic volume control. It is a multi tapped autoformer designed to be used with a 28 position switch or with relays in order to create a piece of equipment. It is not a complete product ready for use in an audio system.  The primary application is in […]

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CRESCENDO HORN RIBBON SPEAKER MANUAL

CRESCENDO INTRODUCTION High  Efficiency in a reasonable size,  with good bandwidth  and rich sound. SET friendly. Unfortunately  horns  with  any  bandwidth  are  the  size  of  a fridge.  So we have developed a horn ribbon based system which achieves our goals. The  wide band horn ribbon  covers from about 600hz to 23khz. The special carbon fiber reinforced […]

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TJ FULLMUSIC 300B OFFICIAL DATA SHEET

Classification- Dome-type or Aubergine-type bulb of glass, a white ceramic base with four-prong bayonet golden pins, oxide coated filamentary, solid plate or mesh or carbon plate triode. Application -Audio frequency amplifier where power outputs of approximately 8.5watts or less is required at relatively low plate voltages. Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement […]

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