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Product Information

  S.E.T. Music™ EL-34B
  Sophia Electric > Amplifier (Tube)

Audiophile sonic quality El-34 amplifier, so called poor man’s 845 amplifier.

This Circuit design was derived from our more expensive (US$3200) fancy chassis Push and Pull EL-34 amp (like 300b amp). With assistance from an overseas firm, we sourced a less expensive chassis with less expensive way to make it. The end result is 97% of the original amplifier’s performance at less than half of the price. We have only made a small production run so far, there are 2-3 different cosmetic design with the same circuit design for this small production. We may or may not put it into future production, so buy it before it is all sold.

6U8 tube has two sections: one triode and one pental tube in one glass enclosure. One 6U8 tube is being used per channel for input and driver tube for this PP El-34 amplifier. The benefits are: Simplicity and first class sound, 6U8 is cheap (NOS can be as low as $1 each over the internet) and NOS is plentiful. Why use 12ax7 and 12au7 when 6U8 is plentiful (no one wants 6U8 except Sophia Electric amp owners). Total tubes used in this amp are one pair 6U8 and four El-34 tubes.

35 Watts per channel x 2, Class A power output. It can drive any speakers for wide range of music. The big deal is not the power (any push and pull amp can have power), rather the tonal quality that is unheard of for an amplifier under US$3000. The liquid mid and highs have surprising grace, which translates into truly life like presence, clean and articulate without that solid-state transistor glaze. Super low distortion, big sound stage much like the 845 tube amps. The performance has pace and rhythm. This is a true entry-level amplifier to audiophile happiness. It may be of all the amp that a person wants or needs. It is only slightly less than that of our 845 single ended amplifier. For this little price, it is a winner! To listen is to believe.

Team up with a SACD player and a pair of speakers you have a great sounding system (or second system).

Specifications
Power 35 watts x 2 in Class A Push and Pull circuit design
Inputs two sets via relay switch for shortest circuit path
Output tube EL-34 x 4
Input/Driver tube One 6U8 per channel
Frequency 7Hz-30KHz +/-3 dB or 10Hz - 20KHz at 0 dB
Signal/Noise Ratio -90dB
Distortion less than 1% at 10 watts power
Hum less than 1mv
Weight 14.5 Kg (32 pounds)
Colour Black metal chassis with hardwood decoration
AC Power 120V/60Hz or 235V/50Hz
Required break in time 50-100 hours
Warranty One year parts and labor, Sophia electric brand tubes one year, Non-Sophia Electric tubes 6 month
For more information about this product, please visit the manufacturer's website.

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