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User Manual for iFi AUDIO Pro Series iESL Transformer Click to enlarge the picture
Contents of the user manual for the iFi AUDIO Pro Series iESL Transformer
- Product category: Headphone Amplifiers iFi AUDIO
- Brand: iFi AUDIO
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for iFi AUDIO Headphone Amplifiers
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User manual for the iFi AUDIO Pro Series iESL Transformer contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any iFi AUDIO product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official iFi AUDIO user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a iFi AUDIO product will considerably shorten its lifespan!
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Product description The Pro Series iESL Transformer from iFi AUDIO offers transparency and an ultra-wide range. It works with all Stax, Sennheiser Orpheus, and electrostatic headphones. - Pinstripe Permalloy Core Transformer
- The high-bandwidth transformer uses complicated hand-wound, multi-section on windings with both vertical and horizontal sectioning. With a bandwidth of < 5 Hz to > 60 kHz (-3 dB), transformers in the iESL exceed the requirements.
- Capacitive Battery Power Supply
- Charged up to the required voltage with the charger circuit then turned off completely, the capacitor bank floats at the required bias voltage. A suitable bias voltage source with no electronic noise at any frequency. Listening is via battery (not main) power.
- Wima Capacitors
- These 1000V rated capacitors have very high insulation resistance and minimal current leakage. Any leakage causes self-discharge. The whole capacitor pack has around 35,000,000 kOhms insulation resistance, which means that self-discharge time (to 30%) is around 100,000 seconds or 27 hours.
- Vishay MELF resistors
- MELFs offer SMD resistor performance in terms of accuracy, stability, reliability, and pulse load capability. The cylindrical construction of MELF devices provides the optimal power rating and pulse load capability needed for the iESL.
- Gold-Plated Silver Contact Relays
- The entire signal switching for the input selection utilizes gold-plated silver contact miniature relays, filled with an inert gas.
- Sealed-Silver Alloy Contact Relays
- The speaker connections are switched using sealed silver alloy contact relays for minimum impact on the sound quality of the speaker path.
In the Box iFi AUDIO Pro Series iESL Transformer (Coupled Energizer) Power Supply Limited 1-Year Warranty Table of Contents
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Technical parametersiFi AUDIO 301003 Specs | Maximum Output Voltage | 640 V RMS (16 Ohms / 20 V in)
320 V RMS (64 Ohms / 20 V in) | | Frequency Response | 5 Hz to 50 kHz (-3 dB) | | Input Voltage | 5 to 9 V / 1 A maximum | | Power Consumption | <1 W | | Dimensions | 8.4 x 8.1 x 2.5" (213 x 206 x 63.3 mm) | | Weight | 5.5 lb (2.5 kg) |
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