International Shipping (1) FedEx or UPS Envelope For documents or slim items Low or no commercial value (2) FedEx Pak Maximum 2.5kg A FedEx pack is about 5600 cubic cm. Good for one pair of 300B. Cheaper than FedEx Box (3) FedEx or UPS Box For each kg, FedEx allows maximum 5000 cubic cm while […]
We are now offering Post Office airmail, Fedex, UPS and local Pickup. Please visit this page again.
Cost of international shipping via UPS/Fedex is starting from $16 (to Asia) to $26 (to US)
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.
International Mail Shipping rates of small parts less than 1cm thick are starting at: East Asia: $9 – 11 Australia & South Asia $16 Europe : $22 – $24 North America : $17 Russia : $29 Shipping rates of parts less than 0.5kg are starting at: East Asia: $13-18 Australia & South Asia $25 Europe […]
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 […]
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 […]
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 […]
Function: Ground: Switchable Hard / Float Gain: 0dB and +6dB switchable Attenuation: -52dB Backpanel functions: 2 positions for grounding- hard, float. Choose the one that gives lowest system hum The net result is a very dynamic, involving linestage which can drivemost any load that sounds tonally correct. Requirements The kit builder needs to have basic […]