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Fig. 2 A π-section is a network that generates a known loss when it is located between two matched impedances Z1 and Z2.
Z1 represents the source impedance and Z2 the load impedance. The loss is regarded as the ratio of powers and is
independent on direction. In the TRINITY PREAMP, Z1=Z2=600 Ohms.

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Summary of Contents for PREAMP

Page 1: ...PREAMP MANUAL ...

Page 2: ...ing music aficionados can finally enjoy their most beautiful recordings as if it were the true to life original The PREAMP supports 4 balanced inputs Polarity switch and a discrete fully balanced volume control with 64 1dB steps The gain is 6dB Enjoy pure sound reproduction with our product Sincerely Yours TRINITY Team ...

Page 3: ......

Page 4: ...Safety Instructions 5 Scope of Supply 6 Transportation and Cleaning 6 Selecting the Power Voltage 7 Connecting and Starting 7 Wiring Up 8 Technical descriptions 9 THE FINAL MEASUREMENTS 20 Warranty 27 Support 28 ...

Page 5: ...the product comes in contact with liquids immediately disconnect it from the power source 5 To exclude the risk of an electric shock please never expose the product to the rain or other source of liquid 6 In thunderstorms do not install the product or put it into operation 7 Never attempt to open the appliance or repair it yourself If you open or remove the enclosure you may expose parts that are ...

Page 6: ...cm 46cm 24cm TRANSPORTATION AND CLEANING Please only transport the parts listed in the scope of supply in the supplied flight case and use the supplied cotton gloves when unpacking and installing the appliances to avoid scratching the enclosures Clean the surfaces using the supplied microfiber cloth immerse the cloth in lukewarm water containing no detergents and then carefully wipe the surface wh...

Page 7: ...NECTING AND STARTING To install the PREAMP select a stable level surface directly next to the turn table so that the connecting cable to the tone arm is as short as possible Avoid placing the appliance in direct sunlight and never place the modules directly next to radiators or fan heaters Protect all supplied parts from humidity and moisture Only wire up the components when the device is switched...

Page 8: ...e Never disconnect any wires unless the device is switched off 2 Connect the PREAMP to the sources like DAC PHONO and so on 3 Connect the PREAMP to the POWER AMP 4 Charge the Li Pol battery of the remote control with the enclosed USB DC cable if necessary ...

Page 9: ...ges in parallel to reduce the input noise voltage by a factor of 12 3 5 10 8dB The Gain can be set during the assembling The regular gain is 6dB other gain can be realized on request Another advantage of using 12 gain stages is that the load of the volume control is split to 12 gain stages That means each gain stage has only to deliver 1 12 of the necessary current and therefore stays in a Class A...

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Page 11: ...ddition they have very low inherent noise and a very low temperature coefficient Contrary to conventional volume controls based on rotary switches or potentiometers which have impedances ranging from100kOhms to 500kOhms the TRINITY PREAMP volume control has an impedance of only 600 ohms Such a low figure is only achievable by the architecture of the volume control that comprises a number of cascad...

Page 12: ... a known loss when it is located between two matched impedances Z1 and Z2 Z1 represents the source impedance and Z2 the load impedance The loss is regarded as the ratio of powers and is independent on direction In the TRINITY PREAMP Z1 Z2 600 Ohms ...

Page 13: ... bandwidth is in the Megahertz range 4 The low resistance configuration guarantees extremely low resistance noise 5 The used hermetic sealed relays produce no mechanical switching noise and have a long life time of 250 000 000 operations The 600 Ohmversion of the volume control also places special demands on the driver amplifier 1 An additional gain of 6 dB is required 2 The amplifier output stage...

Page 14: ...ices are shipped with a complete measurement protocol and not with some typical value published on the web page or in the data sheet What you see in the measurement results is what you get PREAMP SN 007_GS Left Channel Right Channel FFT 1kHz ...

Page 15: ...Frequency Response ...

Page 16: ...Intermodulation Distortion ...

Page 17: ...Total Harmonic Distortion vs Input Voltage ...

Page 18: ...Signal to Noise Ratio no filters ...

Page 19: ...Volume Control 64 1dB steps ideal logarithmic response ...

Page 20: ...gress Any further claims in particular compensation damage of any nature are excluded The warranty period is not extended by any work performed during the warranty period neither for replaced nor repaired components Any improper handling or interventions by persons not authorized by TRINIT Electronic Design GmbH will render the warranty claim null and void This also applies to damage arising from ...

Page 21: ...s relating to installation operation or options we will be pleased to answer them TRINITY Electronic Design GmbH Johann Wieser Ring 11 8609 Aschheim Germany Tel 49 0 89 20186577 E mail db trinity ed de Internet http www trinity ed de ...

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