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Introduction

Thank you for choosing the Waves PuigChild. Be sure to read the safety considerations before 
you plug in and switch on the PuigChild’s power. Please spend some time reading through this 
manual so that you obtain the best possible performance from the unit. For more information 
about our products, please visit www.waves.com.

Features

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Full 48-bit internal processing 

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Supports sampling rates up to 96kHz 

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A wide variety of analog and digital connectors for compatibility with all popular formats

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16/24-bit digital I/O 

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Outstanding  AD/DA  conversion  using  24-bit  converters  and  transformer-based  analog 
input/output stages

About the PuigChild

Among  gear  aficionados,  the  stereo  Fairchild  670  is  considered  the  most  coveted  of  all 
compressors, not only because of its pristine sound, but also its rarity and price: 670s routinely 
go for tens of thousands of dollars on the vintage market. (They originally cost less than $1000). 
With 20 vacuum tubes and 11 hand-wired transformers in a hefty 6 rack-space chassis, these 
hard-to-find units weigh in at a robust 65 lbs.
Designed by Estonian-born Rein Narma in the early 1950s, both the stereo 670 and its mono 
counterpart the Fairchild 660 use single push-pull amplification stages with extremely high 
control voltages. Both variable-mu limiters are unique in that they use tubes for gain reduction 
as well as amplification. Compression takes place directly in the audio path, rather than being 
routed to a separate circuit.
Prior  to  the  660  and  670,  Narma’s  Gotham  Audio  Developments  had  built  consoles  and 
components for such luminaries as Rudy Van Gelder and Les Paul. Shortly after Paul asked 
Narma to build a limiter, Sherman Fairchild caught wind of the project, licensed the design, 
and hired Narma to come onboard as the company’s chief engineer. After his stint at Fairchild, 
Narma relocated to the San Francisco Bay Area and became vice president of Ampex, pioneers 
of multitrack recording equipment.

About the Modeling

Many different elements contribute to the unique sonic characteristics of analog gear such 
as the Fairchild 670. Waves painstakingly modeled and incorporated these elements into the 
PuigChild in order to fully capture and replicate the sound and performance of the original 
equipment.

Summary of Contents for PuigChild

Page 1: ...WAVES COMPRESSOR LIMITER...

Page 2: ......

Page 3: ...of the original and as a piece of hardware it allows us to have the same tactile experience with the same unique sound The new unit also has excellent high definition input and output converters that...

Page 4: ...verview 9 Connecting the PuigChild 11 Input Output Calibration Controls 13 Rear Panel Sync Word Clock Connections 13 Front Panel Controls In Depth 14 Connection Examples 17 Technical Specifications 18...

Page 5: ...her equipment such as speakers through misuse Do not block the ventilation grills that are located on the sides of the unit PLEASE NOTE THE POWER SUPPLY IS NOT AUTO SWITCHING You must check to make su...

Page 6: ...und immediately notify the carrier that brought you the package You the consignee must initiate any claim Please retain all packaging in case of future re shipment Mounting the PuigChild Before connec...

Page 7: ...ard to find units weigh in at a robust 65 lbs Designed by Estonian born Rein Narma in the early 1950s both the stereo 670 and its mono counterpart the Fairchild 660 use single push pull amplification...

Page 8: ...Long Release Times The Fairchild includes settings which use long time constants of several seconds This might cause short looped passages to sound different during successive playbacks because the Re...

Page 9: ...ionship between the left channel and the right channel 6 Mains controls analog characteristics caused by noise floor and hum based on the power supplies of the original units Compressor Controls 7 Inp...

Page 10: ...nnects the PuigChild to the power supply 2 Word Clock provides digital synchronization interface 3 Digital I O Interface allows digital I O connection of various types 4 Analog I O Interface allows an...

Page 11: ...lied cable into the back of the PuigChild and into your power connection Switch on the PuigChild using the on off power switch located on the front panel When you switch the power on the front panel L...

Page 12: ...nections The PuigChild accepts the following digital inputs and outputs t XLR type input output connectors for AES EBU signals t RCA type input output connectors for S PDIF signals t Optical type inpu...

Page 13: ...The PuigChild can be connected to an external word clock source usingaBNCconnection oryoucanuseitsinternalclock Anexternal word clock is utilized for applications that require synchronization with oth...

Page 14: ...is always sent to all outputs concurrently regardless of the selected input source Options A Analog SPDIF S PDIF RCA Optical AES AES XLR 3 Sync selects displays the synchronization source for PuigChi...

Page 15: ...rough a sum difference matrix which splits the stereo signal into sum fed to the upper left channel and difference fed to the lower right channel The input level is set after the matrix so the relatio...

Page 16: ...values given Therefore we suggest using these values as a rough guide based on 10 dB of compression Range 1 to 6 Resolution 1 2 3 4 5 6 Position 1 Attack 2 ms Release 0 3 seconds Position 2 Attack 2...

Page 17: ...your console has word clock it can be used although it is easier to simply select D Digital on the PuigChild s front panel Sync selector If you are using a master word clock to sync several devices y...

Page 18: ...Impedance 600 ohms 1 kHz Crosstalk 102 dB 1 kHz 0 dBFS Analog Output Stage Maximum Output 24 dBu Output Impedance 600 Latency in Samples Digital to Digital t 4 44 1 48K sampling rates t 5 88 2 96K sa...

Page 19: ...gChild This is nearly always a synchronization issue Make sure that your Sync selection is proper If you are using digital inputs then you should select D for Digital sync to lock to the selected digi...

Page 20: ...pe you get the most from your new PuigChild Please contact us should you experience any problems or want to know more about Waves Waves Inc 2800 Merchants Drive Knoxville TN 37912 Phone 1 865 909 9200...

Page 21: ...al and stu dio audio systems and is not intended for other usage This limited warranty with all terms conditions and disclaimers set forth herein shall extend to the original purchaser and anyone who...

Page 22: ...any provision of this License unenforceable that provision will be enforced to the maximum extent possible and the remainder of the License shall con tinue in full force and effect In the event of a d...

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Page 24: ...www waves com...

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