Chandler Limited® REDD.47 Mic Amplifier User Manual
Contents
1. and Abbey Road Studios through their REDD Record Engineering Development Department division set out to design the next generation REDD mixing console the REDD 51 The REDD 51 would be the last of the valve or vacuum tube based mixing consoles built by EMI and the only one to rely on the REDD 47 line amplifier The first REDD 51 console of only three built was manufactured in 1959 However it wouldn t be until 1964 before a REDD 51 console was installed at Abbey Road Studios Studio Two home to the Beatles The REDD 51 console and its REDD 47 line amplifiers left their unique and exceptional sonic character on Beatles records recorded at Abbey Road Studios Studio Two during 1964 1968 the majority of the Beatles catalog OFFICIAL For more information visit www chandlerlimited com 2015 Chandler Limited Inc All Rights Reserved RD47_UM_7615 9 Abbey Road Studios EMI REDD and their associated logos are trademarks of EMI IP Limited POWER The REDD 47 Mic Amplifier features an internal power supply Connection is made using the sup plied IEC power cable Power is preset internally to operate at either 120V or 220V CONNECTIVITY On the rear panel of the REDD 47 Mic Amplifier exists two XLR jacks one for input and the other for output The XLR input is activated when the MIC DI switch is set to MIC or the up position Output signal will be available from the male XLR jack XLR jacks are w2. first REDD 47 and patch the XLR out from the first unit into a second REDD 4 2 Using a single REDD 47 plug your guitar or bass directly into a boost pedal Chandler Limited Little Devil Colored Boost or other into and from the boost pedal into the 4 DI jack 3 Re amp a source signal by applying a hot signal from your DAW to the XLR input of the REDD 47 4 Apply a hot source via microphone to the REDD 4 For more information visit www chandlerlimited com 2015 Chandler Limited Inc All Rights Reserved RD47_UM_7615 4 Abbey Road Studios EMI REDD and their associated logos are trademarks of EMI IP Limited VOLTAGE GAIN The VOLTAGE GAIN control is a stepped input gain switch preset in 6db increments The gain range available from this control is ex panded to 16 52db from the original REDD 47 s 34 40 and 46db Use this control to set the desired input gain An additional 5db input gain is available via FINE GAIN SET RUMBLE FILTER The RUMBLE FILTER control is a low cut mechanism fea turing an expanded eight frequency settings 80 45 60 70 90 110 130 180hz The RUMBLE FILTER may be fully dis engaged from the amplifier by setting it to OUT This feature is useful for removing unwanted low frequency information from the signal NOTE The original RUMBMLE FILTER was a filter circuit available via jumper on the REDD 51 console This RUMBLE FILTER was both
3. unique in circuit design and function rolling off bass at 30hz The filter was applied after the line amplifier and before the fader OUTPUT The OUTPUT control is variable and acts as a fader would FINE GAIN SET The FINE GAIN SET control is a stepped switch allowing for fine tuning of the input gain The FINE GAIN SET offers an expanded range of 5db available in 1db increments over the original REDD 47 line amplifier TIP When gain staging begin with OUTPUT fully clockwise FINE GAIN SET at zero and set the gain first using the VOLTAGE GAIN control Once the approximate VOLTAGE GAIN or input gain has been acquired use the FINE GAIN SET control to adjust for optimum level and color NOTE When VOLTAGE GAIN and FINE GAIN SET are set fully clockwise at the highest settings the total input gain is 57db on a console Use this to control the overall output level of the pre amplifier to your recording device or DAW OUTPUT set fully clockwise is considered unity level For more information visit www chandlerlimited com 2015 Chandler Limited Inc All Rights Reserved RD47_UM_7615 Abbey Road Studios EMI REDD and their associated logos are trademarks of EMI IP Limited O1 PAD A 20db pad exists to tame hot input sources To engage the 20db pad flip the PAD switch to the down position The PAD is handy for taming hot signals o
4. Chandler Limited REDD 47 Mic Amplifier User Manual OFFICIAL CHAN IMItED fud EQUIPMENT For more information visit www chandlerlimited com 2015 Chandler Limited Inc All Rights Reserved RD47_UM_7615 Abbey Road Studios EMI REDD and their associated logos are trademarks of EMI IP Limited CHAN IMItED Chandler Limited REDD 47 Mic Amplifier User Manual Thank you for purchasing the Chandler Limited REDD 47 Mic Amplifier you now own a piece of EMI Abbey Road Studios official equipment The Chandler Limited REDD 47 Mic Amplifier is a recreation of the highly sought after and rare EMI Abbey Road Studios REDD 47 vacuum tube based line amplifier The Chandler Limited REDD 47 Mic Amplifier is a mono channel and incorporates an extended feature set over the original equipment Your Chandler Limited REDD 47 Mic Amplifier has been carefully crafted and built by hand at Chandler Limited in Shell Rock IA U S A using through hole components for the ultimate analog experience At Chandler Limited we are proud of our Ameri can made products and we hope you like them Please feel free to call our shop anytime for help or questions Phone 319 885 4200 HISTORY The EMI Abbey Road Studios REDD 47 line amplifier was first conceived in 1958 as a re placement plug in all purpose line amplifier cas sette for the Teleftunken Siemens V72s as used in early REDD mixing consoles In 1958 EMI
5. ired pin 2 hot TUBES The REDD 47 Mic Amplifier relies on two vacuum tubes EF86 E88CC For more information visit www chandlerlimited com 2015 Chandler Limited Inc All Rights Reserved RD47_UM_7615 3 Abbey Road Studios EMI REDD and their associated logos are trademarks of EMI IP Limited MIC DI The MIC DI switch allows the REDD 47 to function as a mic line amplifier or a tube DI For line level applications reference the PAD section In the MIC position or up signal is applied via the XLR input at the rear of the unit To access DI functionality set the MIC DI switch to DI or down and plug your guitar or bass guitar into the accompanying 1 4 jack DI access sends your signal directly into the heart of the tube Us ing the REDD 47 in DI mode is similar to plugging directly into a VOX AC15 When using the DI the output signal will be available from the male XLR jack on the rear of the unit TIP Start a REVOLUTION One the most iconic if not unique guitar sounds is that of the Beatles song Revolution John Lennon s guitar sound was created without the use of a guitar amplifier by plugging directly into the line amplifier overdriving one REDD 47 in another Overdriving the REDD 47 can be achieved in the following ways 1 Use two REDD 47 units in series overdriving a second unit with gain from the first unit a Revolution style via DI plug your guitar directly into the
6. o sending in your gear for repair please contact our shop at the number listed below We will assist you in troubleshooting the problem and if needed we will issue you an RMA to send in the gear Send repairs to Chandler Limited Inc Attention Repairs 222 S Cherry St PO Box 38 if sending via the postal service Shell Roc IA 50670 Phone 319 885 4200 Email support chandlerlimited com CE Certification Chandler Limited declares under its sole responsibility that all products manufactured by them are in compliance with Electromagnetic Compatibility EMC Directive 2014 30 EU Standards EN55103 1 2009 A1 2012 EN55103 2 2009 EN55013 2013 and Low Voltage Directive LVD 2014 35 EU Standards EN60065 2002 A1 2006 A11 2008 A2 2010 A12 2011 GFFICTIAL Road CHAN IMItED EQUIPMENT For more information visit www chandlerlimited com 2015 Chandler Limited Inc All Rights Reserved RD47_UM_7615 7 Abbey Road Studios EMI REDD and their associated logos are trademarks of EMI IP Limited
7. r using the REDD 47 for in line level sources Use a pair of REDD 47 Mic Amplifiers on your mix bus TIP Sending line level source material into the REDD 47 is great way to further process your material adding the rich harmonic texture available from this historic tube amplifier To use the REDD 47 at line level begin with VOLTAGE GAIN at 16 FINE GAIN SET at 0 and engage the 20db PA Apply source signal via the XLR input bring up VOLTAGE GAIN if needed and adjust the FINE GAIN SET for the desired color POLE The POLE switch reverses the input signal by 180 when in the down position This feature may be useful when a microphone is not ideally placed a cable is wired incorrectly or line level source material is out of phase 48 VOLT Some microphones require phantom power Phantom power is available via use of the 48 VOLT switch and is engaged when the switch is set to the down position WARNING Only engage or disengage phantom power with the microphone already connected to the pre amplifier Disconnect ing a microphone while phantom power is on may cause damage to equipment downstream Never use phantom power with ribbon microphones For more information visit www chandlerlimited com 2015 Chandler Limited Inc All Rights Reserved RD47_UM_7615 Abbey Road Studios EMI REDD and their associated logos are trademarks of EMI IP Limited SERVICE Prior t
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