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Summary of Contents for Decware Zen Triode Preamp
- Page 1 O W N E R S M A N U A L MANUAL NO. 01 REV. DATE: 7/2016 ZTPRE Zen Triode Preamplifier Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com...
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Page 2: Remote Control Option
It does this by dividing the range of the control into 99 positions which can be adjusted 1 at a time with the remote control up or down. Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com... - Page 3 This is because the microprocessors are not turned on, so you can think of it as being in stupid mode. Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com...
- Page 4 One nice trick when running a single ended source into the ZTPRE is to put a single tube gain stage on your source to raise the voltage to around 6 volts or so. Decware makes a product that does this called the ZSTAGE.
- Page 5 It is set up with a 1/4 inch shaft being american made and is fitted with a chicken head knob with a clear white line making it all to easy to not only see, but in the dark, feel, where it is set. Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com...
- Page 6 The specification shown is available from mouser.com or you can call DECWARE at (309) 822 5255 for replacement. Also you can source your own fuses so long as they are the same physical size and rating. If you use an “audiophile”...
- Page 7 ZTPRE at full and experiment from there, whereas using the ZTPRE with non-DECWARE amplifiers it would be best to follow this set up as your starting point: Turn your amplifier ON and let it warm up a bit.
- Page 8 This option is not offered on the web site but is available. Contact DECWARE for current costs per input if you’re using the ZTPRE in a studio environment where the levels of each input must be accurately matched.
- Page 9 This is very rare of course but helps to know what can happen in rare cases. The main rule with this type of circuit is that all three tubes should match as far as heater draw. See next page. Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com...
- Page 10 There is no time limit or suggested maximum amount of time the ZTPRE can be left on. If left on indefinitely it will have to be turned off for tube replacement every 6000 hours. Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com...
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Page 11: Output Jacks
These balanced outputs have an impedance sufficient to drive cables up to 40 feet without issues. XLR BALANCED OUTPUT PIN 1 is AUDIO GROUND PIN 2 is SIGNAL PIN 3 is SIGNAL Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com... -
Page 12: Internal Components
H) Regulated supply for motorized volume controls Jensen wide bandwidth balanced input transformer Copper Ground Buss of only three inches K) Anti-Ground Loop circuit Tube heater dropping resistors between each series tube heater. Two per channel. Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com... - Page 13 O W N E R S M A N U A L Decware High Fidelity Engineering Co., East Peoria IL, USA www.decware.com...
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