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WELCOME

Congratulations on your purchase of the AEA R44 ribbon 

microphone and welcome to the AEA family!

Whether it be the smooth brass section of a Hollywood soundtrack, 

the velvety lushness of a jazz vocal, or the larger-than-life drum 

sound of a classic rock record - chances are that you will find a 44 

ribbon mic was used on most of your favorite albums. It is one of 

the most iconic microphone designs in audio history. In studio use 

for 85 years, the 44 ribbon design by RCA is legendary.

“The RCA 44B was the first great music microphone,” Les Paul once 

told AEA’s Wes Dooley. “It sounds right on everything, every 

instrument and voice.”  RCA ceased production of the R44 in 1966. 

After their microphone division was closed in 1976, AEA began 

servicing ribbon microphones. By 1998, I decided to release our 

own version of this classic mic. The 44’s recognizable sound 

produces thunderous lows due to the strong proximity effect, a full 

and rich mid-range, and a unique top-end taking the edge off of 

harsh instruments. This beautiful, natural-sounding microphone 

provides an unmatched authenticity of sonic reproduction, 

particularly when placed at a distance in a well-tuned room.

Your R44 microphone is 100 percent handcrafted in Pasadena, CA. 

AEA is a family-owned company with a small crew of skilled 

technicians – most of them also musicians. Proudly independent, 

we still manufacture all our ribbon microphones and preamps by 

hand from locally sourced parts.

We hope the R44 will help you capture many magical performances 

that touch the heart. Please read this manual thoroughly to make 

sure that you get the best sound and longevity from your new 

microphone. We invite you to become part of the AEA community 

by sharing your experiences with the R44 via e-mail, phone or our 

social media channels.

Wes Dooley

Founder

 of AEA

2

Summary of Contents for R44

Page 1: ...THE CLASSIC RIBBON MICROPHONE AEA R44 OWNER S MANUAL ...

Page 2: ...sion of this classic mic The 44 s recognizable sound produces thunderous lows due to the strong proximity effect a full and rich mid range and a unique top end taking the edge off of harsh instruments This beautiful natural sounding microphone provides an unmatched authenticity of sonic reproduction particularly when placed at a distance in a well tuned room Your R44 microphone is 100 percent hand...

Page 3: ...CONTENTS WELCOME INTRODUCTION SUPPORT GENERAL GUIDELINES APPLICATION ADVICE THE VARIANTS SPECIFICATIONS 2 4 4 5 8 10 3 12 ...

Page 4: ...h musicality is perfect for nearly any recording situation The microphone s responsiveness to proximity effect allows the engineer to fix it in the mic by moving the microphone forward or backward to create the ideal low end response Whether used on vocals or instruments the R44s performance is warm intimate and accurate to the performance WARRANTY Your R44 comes with a one year limited warranty o...

Page 5: ...faulty or miswired cable or a defective supply can severely stretch or break a ribbon Since passive ribbon microphones and other transformer coupled microphones can be particularly vulnerable to phantom power it is recommended to make disengaging phantom power before plugging and unplugging the microphone a habit MICROPHONE STORAGE Keep the microphone covered when it is not in use This will reduce...

Page 6: ...ade the microphone s performance The ribbon in your R44 is protected from plosive and direct wind blasts by both the diamond shaped grille and its acoustical fabric as well as perforated metal and fabric blast screens internally on each side of the ribbon This design provides good wind and breath blast protection plus good high end response STRAY MAGNETIC FIELDS Ribbon microphones are fundamentall...

Page 7: ...s designed to keep structure borne noise transmitted through the microphone stand and the cable away from the low tuned ribbon transducer For the shock mount to function as intended it is important to vertically position the cushion mount off of the mic stand and to rotate the microphone within the yoke as opposed to rotating the entire mic on the stand This requires the use of a swivel mount or P...

Page 8: ...king effect on the treble due to excessive bass boost graph is a visualization not a measurement APPLICATIONS ADVICE We actively encourage users to visit AEAribbonmics com to access our comprehensive collection of in depth articles and tutorials featuring the R44 along with a library of audio and video demonstrations of the R44 in action If you are experiencing problems with your microphone please...

Page 9: ...duce their own set of problems including reflections close to the performers and or microphones that result in comb filter distortions Because gobos usually are bulky and occupy valuable floor space they also inhibit the ability of the musicians to hear and see each other easily Such a setup requires complex and often cumbersome headphone monitor mixes for the musicians A FIGURE OF 8 MICROPHONE Fi...

Page 10: ...conic ribbon mic in music history R44 SERIES VARIANTS Our R44 Series microphones all share the authentic sound feel and look of the original RCA 44 With careful technical modifications we ve created several varitions to accommodate modern applications and budgets R44CE COST EFFECTIVE To make the iconic sound of the R44C more affordable AEA incorporated costeffective exterior components that don t ...

Page 11: ...nal magnets providing an extra 6db of output It is visually distinguished from the R44C by a red logo badge on the transformer case R44CXE COST EFFECTIVE This variation of the R44 incorporates the cost effective exterior components of the R44CE with the addition of the X Motor for an additional 6dB of output It is visually distinguished from the R44CE by a red logo badge on the transformer case ...

Page 12: ...ansducer Bidirectional 20 Hz to 20 kHz 165 dB SPL 1 third harmonic 1 kHz 2 25 mV Pa 53 dBV into loaded circuit 4 47 mV Pa 47 dBV into loaded circuit 270 Ohms Broadband 1 2 Ohms or greater Not required or recommended Pin 2 high for positive pressure on front of mic Up to 90 dB rejection at right angles to the front and back axis Level changes with angle of incidence but frequency response is consis...

Page 13: ...EQUENCY RESPONSE Data below 200 Hz omitted due to measuring room restrictions 0 dVB is equivalent to 2 5 mV Pa 52 dBV for R44C CE 0 dVB is equivalent to 4 47 mV Pa 47 dBV for R44CX CXE Normalized to 0 dB at 1kHz 1 3 octave smoothing ...

Page 14: ...AEARIBBONMICS COM RIBBONMICS INFO RIBBONMICS COM 800 798 9127 ...

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