Copy of the xf2 mullard el34 of the 60’s. the right energy tube for the dynaco st-70 or classic marshall amplifiers. the perfect present manufacturing el34 out there
② b4-x adopts 2 teams of unbiased energy provide(+12v and -12v) for two op amps, much less mutual results and may drive 300ω headphones. ③ the circuit adopts twin op amp parallel output, with increased output energy. ④ b4-x has Three.5mm and a couple of.5mm 2 sorts of output interface, appropriate for many of balanced and customary headphones.
With built-in battery safety circuit: battery lets your listening feast with out time limitation. it could possibly’t be turned on throughout charging and can energy off mechanically after absolutely charged, and charger led will flip to inexperienced.
The distinction between b4 and b4-x: â‘ b4-x is a dual-mono balanced model. its left and proper channel are amplified by unbiased parts, and energy provide, tubes, and op amp are all unbiased and symmetric. so the diploma of sound separation is increased than b4.
Mini measurement and distinctive design: built-in tube makes you may have a tube amplifier which will be held by one hand, handy to hold and may take pleasure in hifi music in all places. full, delicate and comfortable sound: hotter than transistors, unbiased op amp and energy provide inhance the snr and diploma of separation, much less interaction and better sound high quality.
Excessive-end making materials and craft: utilizing gold-plated socket, unique nichicon electrolytic capacitor, unique dale resistors and precision ring resistance. immediate and courteous customer support.
Optical enter coaxial enter sub output tube amps don’t hard-clip even at excessive volumes and are extraordinarily environment friendly resulting from this the amp sounds extra like double the rated energy!
Rear speaker terminals banana plug / binding submit outputs for two audio system frequency response ( 3db) 22hz-20khz enter impedance 47ko enter sensitivity 300mv output impendence Four-8ohm whole harmonic distortion(thd) ≤zero 02%
Options of blutube wd rockville blutube wd audiophile grade tube amplifier with bluetooth shade 2-tone silver with wooden accent 25 watts x 2 rms @ eight ohm 35 watts x 2 rms @ Four ohm (1) set of rca inputs to connect with any audio system like a television laptop computer or mp3 participant and so on
In-built bluetooth with 33 foot vary built-in preamplifier headphone output vu meter adjustable bass and treble (2 band equalizer) usb enter for music information from usb thumb drive
Sign-to-noise ratio(s/n) ≥86db bluetooth 2 1+edr usb helps wav/mp3/wma/ape/flac 110v/220v switchable unit weight 6 6 lbs unit dimension 10 6″ x 10 2″ x 5 1″
Beautiful supplies: energy amplifier used aluminum and steel casing which supplied stronger safety. steel chopping knob for extra delicate management.
Stereo enter&output: tremendous highly effective extension, a number of audio sources. connectable with cd participant, dvd participant, computer, smartphone, television by utilizing rca & aux ,bluetooth, u disk, optical and coaxial. these connection permits you to benefit from the “tubeâ€sound.
100w hybrid tube amplifier: 35w Four ohm / channel& 50w eight ohm / channel. entrance panel has unbiased treble/ bass/ quantity adjustment knob. provided with a replaceable tubes.
Construct-in 6h3n: replaceble with 6n3/5670(6.3v), previous model build-in 12ax7/12at7/12au7(random&replaceble 12v , safety cowl( detachable ) : the usage of thickened metal wire meshed for the tube safety cowl not solely provides safety of the tubes, but in addition supplies cooling efficiency and consumer security.
Excellent service: 1year guarantee offers you an ideal buying expertise. when you encounter any issues, please contact our customer support workforce instantly.
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