John Truba's Blog

Catch up with my musings on music and everything else in the world of Valve Amplifiers

J.T. 30 Valve amps

The J.T.30 valve amps. began their life back in about 1982 (when still in London) badged under the  "JAYTRONICS" logo . Later in 1988 I was approached by a small retailer in Tralee ( who also repaired Fretted instruments)  to design and manufacture a Valve amp. chassis , which after a lot of liasing and consideration would be rated at 30 watts R.M.S. output , which we thought was a good happy medium suitable for all sorts of venues . The idea was  I'd supply amp. chassis'  and He'd supply the cabinets loaded with speakers  and retail them through his Tralee shop .  It was short lived  ,  he did a disappearing act  after only purchasing 1 (one) amp. chassis .  To recoup a potential loss  , I made cabs for both 1x12" combo's and  heads , and til the present time the 30watt design is still popular employing 4 EL84 valves in the output stage  , with of coarse varying features decided by the customer  .  A point of fact , my own "JAYTRONICS"  badged  1x12" 30watter is utterly reliable with it's original  late 70's Mullards EL84's in the o/p stage (still to this day) , how many present day valve manufacturers can boast that ? .

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A new Hello

A new hello to everyone visiting my website , had to happen , myself being dragged into the 21st centuary technology . For a time I resisted (being of the steam driven age) but sensibility prevailed and here we are and there'll be a lot to say , having remained "Schtum" all these years .  The site may be new , but not the products . The first  "JAYTRONICS" products were built back in 1981 in London . back then , one would attempt designing and building anything and everything that was a part of  musical amplification using Valves , Transistors and I.C.'s  (Integrated Circuits) .    Todays world is much different , cost effectiveness , feasability , viability are ALL important for so called commercial success .  I'll always remember an early incident , when having moved over to Ireland in 1985  , and visiting a local music shop in Tralee , having introduced myself  to the staff  (re- my trade)  and being asked could I build and supply  " Lookalikes "  of a simple 4 ch. mixer-amplifier for LESS than the Japaneese imports trade price  --- I suppose they had to ask !! .     So here we are today 33 years later having gone through designing and building all manner of amplification , P.A. Systems , Disco Systems , Instrument Amps. of all sorts plus Peripheral equipment , et all .  I've chosen to specialise in guitar valve amps.  , which is my first love in the  electronics industry , incidentally I do still make Solid State amps on the rare occasion that necessity requires it . As we know it they tend to be cost effective , there's that lovely word again  . See you soon  . J.T.   

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