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O W N E R S M A N U A L
MANUAL NO. 01
REV. DATE: 10/2015
MODEL SE34I.5
ZEN TRIODE INTEGRATED
aka Rachael
Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com

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Summary of Contents for Decware SE34I.5

  • Page 1 O W N E R S M A N U A L MANUAL NO. 01 REV. DATE: 10/2015 MODEL SE34I.5 ZEN TRIODE INTEGRATED aka Rachael Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com...
  • Page 2 Decware transformers, a self-biasing circuit with a bias meter for each output tube. Like the famous SE84C 2 watt Decware amplifier, this is a purist built product with the absolute minimum number of parts and solder nodes. Between the input and output jacks there is only 1 capacitor, 2 resistors and our premium output transformers made from the finest US gain oriented silicon steel.
  • Page 3 They are: 6L6G, KT77, KT66, KT88, 6550, 7027, 6CA7. These are all plug in compatible alternates to the EL34 in this amplifier and require no adjustments. Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com...
  • Page 4 274B by Valveart that we do not find to be a real copy of a 274B but rather a beefed up 5U4, which happens to work well and look great so it is often shipped as the stock tube in this amplifier. Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com...
  • Page 5 O W N E R S M A N U A L BIASING and METERS! The SE34I.5 is a self biasing, self balancing design meaning there is never a need to adjust the bias of the output tubes. The amp does it for you. It also insures that you get matched output power from each channel even if the tubes are not matched.
  • Page 6: Speaker Binding Posts

    2/3rds before the amp runs out of steam (clips). With a 6N2P the volume control will typically reach 1/2 way up before clipping. Of course if you have a source with higher than 2 volts of output, the SE34I.5 will clip sooner. SPEAKER BINDING POSTS! The SE34I.5 features heavy duty (almost bomb-proof) connectors for the speaker...
  • Page 7: Input Jacks

    This is common for all tube amps except that MOST will absolutely fail if this is done and so far no Decware amp ever has, but just because you would have to try repeatably to damage your amp does not mean your output tubes will car for it.
  • Page 8 Since the output transformer is the only component your hearing other than the two resistors and one capacitor inside the SE34I.5 it should become obvious that this is a critical component relative to the overall fidelity of the amplifier. And given that, the quality of the power transformer and power supply in general is at the heart of the amplifiers performance.
  • Page 9 80 kHz. UFO transformers are now standard in this amplifier. LOUDSPEAKERS / EARSPEAKERS! The SE34I.5 is designed to have it’s maximum power into 8 ohm speakers. That does not rule out all 4 or 6 ohm speakers, or 12, and 16 ohm speakers. It simply means that statistically it will work best with around 8 ohms.
  • Page 10 It will come completely out of the IEC connector and not only holds the fuse, but has a spare fuse in it as well. Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com...
  • Page 11 If you get hum, then you either have a ground loop between that component and the amplifier, or that component is bad. Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com...
  • Page 12: Sound Quality

    Decware amplifiers are a benchmark for holographic sound where the music is completely 3D. In fact many people who watched movies using a two channel Decware amplifier thought there were 5 speakers playing. That said, give yourself a chance to experience it by occasionally pulling your speakers out into the room, several feet away from the walls.
  • Page 13: Warranty

    Statistically 50% of all amps sent here for repair have nothing wrong with them. We can often head this off at the pass by consulting you by phone and helping you troubleshoot the problem. Decware amps are built to outlast you, and are frankly damn hard to break.