4 x EL34 TESLA 1970´S OO-GETTER, CRYOTREATED. 2ºQUAD
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Shipping & Handling for this item: Spain Europe Rest of World USD$ 8 USD$ 18 USD$ 23 Remember: 1 euro = 1,38 US$ All the shipments will be made by registered shipment (air mail + tracking number).The tubes will be carefully packed in a, for to guarantee a secure shipment. I can combine multiple shipments, for you pay less money. For other shipping questions , please, consult me. Many thanks!! Payment: I prefer Paypal $ For Spain and Europe, I also accept bank transfer. DESCRIPTION: FOR HIFI OR RADIO EQUIPMENT SALE: SALE A VERY GOOD OPPORTUNITY. 4 x EL34 TESLA 1970´S OO-GETTER, 2 ºQUAD CRYOTREATED. WITH A MULTISTAGE PROCESS ( SEE EXPLAIN LATER ) OLD VERSION TESTED IN AMPLITREX AT1000 - TUBE 1: 78% EM. 88%GM 1.8 GAS. - TUBE 2: 74% EM. 82%GM 1.4 GAS. - TUBE 3 : 79% EM. 88%GM 4.4GAS . - TUBE 4 : 79% EM. 83%GM 1.7GAS. MATCHED QUAD IN GM ( TRANSCONDUCTANCE ) AND EM ( EMISSION) THIS TUBES ARE CRYOTREATED WITH MULTISTAGE PROCESS, In hifi applications you obtain : - decrease in tensions were manufactured. - Decrease in tensions in the internal welds - increases the longevity of the tube, by decreasing the operating temperature ( 10%-15% ) Manufacturing imperfections at the microscopic level, improve involving: - better sound quality - better sound fidelity - more immersive atmosphere, a three dimensional feeling
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