Woo Audio WA7 Fireflies Owner'S Manual Download | Manualshive

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©2013

WOO

AUDIO

tm

Inc.

All

rights

reserved.

www.wooaudio.com

Rev

1.2.

April,

2013

1

WOO AUDIO WA7 Fireflies

Pure Class-A Single-ended Vacuum Tube Headphone Amplifier

&

32-Bit/192kHz Digital to Analog Convertor

Owner’s Manual

Please review this manual before operating your WOO AUDIO™ product.

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Summary of Contents for WA7 Fireflies

Page 1: ... www wooaudio com Rev 1 2 April 2013 1 WOO AUDIO WA7 Fireflies Pure Class A Single ended Vacuum Tube Headphone Amplifier 32 Bit 192kHz Digital to Analog Convertor Owner s Manual Please review this manual before operating your WOO AUDIO product ...

Page 2: ... immediately in the event of malfunction Should you notice smoke or an unusual smell coming from the equipment turn it off immediately Continued operation could result in injury Do not disassemble The unit contains high voltage circuitry Touching the amplifier s internal parts may result in injury In the event of malfunction the product should be repaired only by a qualified technician Keep out of...

Page 3: ...io com Rev 1 2 April 2013 3 Table of Contents IMPORTANT SAFETY INFORMATION 2 TABLE OF CONTENTS 3 OVERVIEW 4 GETTING STARTED 6 QUICK INSTALLATION 9 OPERATIONS 12 FAQ FREQUENTLY ASKED QUESTIONS 13 WARRANTY AND SERVICE 14 PRODUCT SPECIFICATION 15 REVIEWS 16 ...

Page 4: ...e it is transmitted via standard high speed USB 2 0 interface operating in asynchronous mode The high quality construction features include a pair of Nickel Alloy core output transformers all aluminum chassis with no screws visible from any viewing angles a linear external power supply for amplification circuitries a custom built toroidal power transformer and multi layer military grade PCBs The d...

Page 5: ...utomatically engage to prevent the amp from damaging when no headphones are plugged in o Multi functional switch for USB input RCA input and RCA output via D A o The RCA connectors can be used either as RCA analog inputs or USB DAC line out outputs o All aluminum chassis with no screws visible from any viewing angles o High clarity tube protection glass o Multi layer military grade PCBs o Customiz...

Page 6: ...1 2 April 2013 6 Getting Started What s in the box Umbilical Power Cord Chamois Polishing Cloth for glass and metal cleaning External Power Supply Tube Protection Glass WA7 Fireflies Amplifier 6C45 Matched Pair Tubes USB and inter connection cables are not included ...

Page 7: ...ubes Please pay close attention to vacuum tube installation alignment marks USB 2 0 digital input RCA analog input Input output switch RCA RCA analog input USB USB 2 0 digital input D A Digital to Analog output via RCA High and low headphone impedance switch HI Z High impedance LO Z Low impedance Umbilical power cord socket male Power switch I ON O OFF The RCA connectors can be used either as RCA ...

Page 8: ...ne of the following ways Computer RCA Umbilical cord socket female Power LED light 11 12 13 14 AC power inlet Fuse box slow blow fuse 400mA 115V or 200mA 230V RCA line out to active monitors External Power Supply AC power connection A B C USB 2 0 CD player or analog source RCA USB 2 0 Digital to Analog Convertor Computer RCA line out to power amp IEMs Full sized headphones ...

Page 9: ... a slight rocking motion for the tube which is harder to insert but never apply circular motion Connecting the Amplifier unit Align the female plug to the DC input connector The arrow marking on the plug should face up when it is properly oriented Insert the plug into the socket and turn the locking ring on the plug until fully tightened Connecting the Power Supply unit Align the male plug to the ...

Page 10: ...cket is a standard IEC type You will need to obtain the correct type for your region if it not supplied with your order Installing Tube Protection Glass Do not hit the tubes by the glass The glass is heavy Handle with both hands Powering Up To power up on the WA7 Fireflies flip the power switch to the I position The LED on the power supply will lit Vacuum tubes should lit at the same time U S Euro...

Page 11: ...llow on screen instruction to complete the installation Windows restart may be required 5 Set USB Speakers as your default audio output Go to My Computer Control Panel Hardware and Sounds Sounds Click USB Speakers Click Set Default 6 Now you re ready to enjoy music from your computer Configuring media player TIPS It is strongly recommended to use a media player that supports ASIO output mode for t...

Page 12: ...nto the socket and turn the locking ring on the plug until fully tightened o Remove any tubes or the umbilical power cord while the amp is operating o Touch tubes they are extremely hot after warm up o Leave the amp running unattended We suggest a maximum of 8 hours of continuous use allowing the tubes time to cool before using again DO o Place the amp away from any wireless or frequency emitting ...

Page 13: ...ne jack o Only one headphone is operational at a time Disconnect headphones from the jack to enable output of the mini phone jack There is static noise or one channel is dropping out o Re seat all tubes Make sure that all tubes are securely installed The LED does not light First check if the AC cord is installed Next check if the umbilical cord is securely attached between the amp and the power su...

Page 14: ...ise stated In the event that your Woo Audio product requires servicing please contact us directly to receive return instructions Please do not discard original packing materials If for any reason the equipment is to be shipped back to Woo Audio please use the original packaging including a copy of sales purchase documents and a detailed explanation of the problem s Send service inquiry to feedback...

Page 15: ...32 Bit 192kHz Inputs 1 Asynchronous USB2 0 1 RCA Outputs 1 1 4 and 1 1 8 headphone outputs 1 RCA same connector as the input Headphones impedance 8 600 Ohms RCA input impedance 100 Kilo Ohms Max Output Approx 1 watt 32 ohms Frequency response 11Hz to 27kHz 0 5dB Distortion 0 03 S N 95dB Power consumption 25W max Mains Supply 100 120V 220 240V 50 60Hz user selectable Fuse slow blow fuse 400mA 115V ...

Page 16: ...adphone amp I ve heard Positive Feedback The Woo reaches DEEP and is POWERFUL It s everything you want it to be and just a tad more because it s so damn sexy you feel like you stole it from the future somehow Humanovation Appreciable about the WA7 was that whatever headphones or IEMs I used with it the performance was consistent Currawong head fi org the WA7 is practically a steal in terms of soun...

Page 17: ... WOO AUDIO tm Inc All rights reserved www wooaudio com Rev 1 2 April 2013 17 Woo Audio is committed to continuously improve its products We therefore reserve the right to improve on our design without notice ...

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