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©2014

 

WOO

 

AUDIO

tm

 

Inc.

 

All

 

rights

 

reserved.

 

www.wooaudio.com

 

Rev

 

1.0.

 

May,

 

2014

 

11

 

 

 

Powering Up 

 

To power up on the WA7d Fireflies, flip the power switch 

⑰

 to the “

I

”

 position. The LED on the power 

supply will light up 

⑫

. Vacuum tubes should also light up the same time. 

 

Using the Asynchronous USB 2.0 port: 

The WA7d Fireflies Duo offers a USB 2.0 port is compatible with Windows or Macintosh OS computer. 

 
 

Configuring Mac

 

Open AudioMidi and right-click on the device listed as “Speaker” in the device section on the 
left pane.  Ensure that “Use this device for sound output” is selected.  “24bit Integer” should be 
available in the drop down list on the right side.  

 

Select the appropriate sample rate for 
the music file type.  

 

Содержание WA7d

Страница 1: ...d www wooaudio com Rev 1 0 May 2014 1 WOO AUDIO WA7d Fireflies Duo 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 ...

Страница 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 ...

Страница 3: ...om Rev 1 0 May 2014 3 Table of Contents IMPORTANT SAFETY INFORMATION 2 TABLE OF CONTENTS 3 OVERVIEW 4 GETTING STARTED 5 CONNECTION OPTIONS 8 QUICK INSTALLATION 9 OPERATIONS 13 FAQ FREQUENTLY ASKED QUESTIONS 14 WARRANTY AND SERVICE 15 PRODUCT SPECIFICATION 16 ...

Страница 4: ...is a powerhouse and can drive the most demanding audiophile headphones available WA7d can also accommodate the most sensetive in ear monitors IEMs via an ultra quiet dedicated 3 5mm output port With care WA7d Fireflies Duo will deliver many years of musical enjoyment Please take a short time to read this manual in its entirety to familiarize yourself with the features and connectivity options of y...

Страница 5: ... Power Cord Micro fiber Polishing Cloth for glass and metal cleaning Anti slip silicone rubber glass pads 4pcs WA7p External Power Supply not included when WA7tp tube power supply is purchased Tube Protection Glass WA7d Fireflies Amplifier 6C45 Matched Pair Tubes USB AC power cord and inter connection cables are not included ...

Страница 6: ... jack Tube sockets for 6C45 vacuum tubes Please pay close attention to vacuum tube installation alignment marks USB 2 0 digital input RCA analog input Optical digital input Input output switch Optical optical digital input RCA RCA analog input USB USB 2 0 digital input High and low headphone impedance switch HI Z High impedance LO Z Low impedance Umbilical power cord socket male Power switch I ON ...

Страница 7: ...1 0 May 2014 7 Umbilical cord socket Female Power LED light 11 12 13 14 AC power inlet Fuse box Slow blow fuse 400mA 115V or 200mA 230V External Power Supply WA7p solid state power supply Optional WA7tp Vacuum Tube Power Supply is available for WA7 and WA7d amp DAC ...

Страница 8: ...014 8 Connection Options AM FM tuner XM Sirus satellite radio Turntable with Phono stage iPod iPad MP3 player PC and Mac CD player Super Audio CD player SACD Blu ray player DVD player Game consoles Compatible but not limited to Appropriate cables and adaptors may be required ...

Страница 9: ...e Apply a slight rocking motion for harder to insert tubes 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 DC input ...

Страница 10: ...ed Plug the power cord into the AC inlet see in the above diagram The AC inlet socket 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 U S European U K ...

Страница 11: ...ame time Using the Asynchronous USB 2 0 port The WA7d Fireflies Duo offers a USB 2 0 port is compatible with Windows or Macintosh OS computer Configuring Mac Open AudioMidi and right click on the device listed as Speaker in the device section on the left pane Ensure that Use this device for sound output is selected 24bit Integer should be available in the drop down list on the right side Select th...

Страница 12: ... 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 the highest playback quality Changing Output mode Example is given for J...

Страница 13: ...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 may be 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 devices such...

Страница 14: ... the AC cord is installed Next check if the umbilical cord is securely attached between the amp and the power supply If the fuse is burnt see the following instruction on how to replace a fuse The fuse type is 400mA 115V or 200mA 230V slow blow type spare fuse included Mac OSX 10 9 does not recognize USB device On some Macs with USB 3 0 running OS X Mavericks 10 9 WA7 and WA7d Fireflies can occasi...

Страница 15: ...wise 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 info wo...

Страница 16: ...tputs 1 1 4 and 1 1 8 headphone outputs 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 or 200mA 230V Amp body and PSU finish Anodized Aluminum Amp available in Black and Si...

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