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Chandler Limited’s REDD.47 Mic Amplifier is a recreation of the original valve line amplifiers used in Abbey Road Studios’ heralded and rare EMI REDD.51 recording consoles circa 1959-1968.

Designed as a central component to the EMI REDD.51 recording console, the original REDD.47 line amplifier was used to amplify virtually every stage of the audio path (mic inputs, line inputs, echo sends and monitors).

The REDD.47 lent its unmistakably punchy, aggressive character to music recorded at Abbey Road Studios’ Studio Two between 1964 and 1968, including many tracks by The Beatles.

The Chandler Limited REDD.47 Mic Amplifier offers many additional benefits to the original design including increased gain, allowing a range of tonal options from pristine clean sound to classic rich, saturated tone with up to 2% harmonic distortion before clipping. The Chandler Limited REDD.47 preamp easily reproduces the distortions heard on The Beatles’ ‘Revolution.’

Chandler Limited’s REDD.47 tube microphone preamplifier delivers the legendary sound of Abbey Road Studios’ ‘Holy Grail’ preamp, with extra features to meet today’s recording studio standards.

“It really is one of the nicest sounding mic pres I have ever heard or used, period, exclamation point! ” Paul Vnuk Jr. –  Recording Magazine

Abbey Road Studios, EMI, REDD and their associated logos are trademarks of EMI (IP) Limited.

REDD.47 PRE AMP
CHANNELS: Mono
CIRCUIT: Tube (EF86, E88CC)
CONNECTIONS
Inputs: Mic/Line XLR (pin 2 hot), D/I (1/4”)
Output: XLR (pin 2 hot)
Transformer balanced I/O (custom wound)
CONTROLS
Voltage gain: Stepped 16-52db
Fine gain: variable +/-5db
Total Gain: +57db
Output control: variable
Rumble filter: Inductor based, switchable (30,45,60,70,90,110,130,180hz)
PAD: 20db, switchable
Phase: switchable
Phantom Power: +48v, switchable
POWER
Internal power supply