Each London-Series module may be rack-mounted or may be used a table-top appliance - ideal for the modern, computer-based musician. Check our our Listening Room here.
PHAB tube microphone preamplifier
The Phædrus Audio PHAB is a high-quality microphone preamplifier which is based on the EF86 pentode amplifier and an E88CC dual-triode line-driving stage. A re-creation of the modular amplifiers in the sixties Stereosonic consoles used by The FABs, the PHAB preamp features a precision, switched, balanced attenuator, high-pass filter, 10dB pad, switchable gain, and phantom power.
More about the PHAB here.
The Phædrus Audio PHILTER recreates the famous, passive EQ circuits found in the Stereosonic consoles of the 1960s. In addition to low- and high-frequency shelving filters, the unit incorporates HF peak boost at: 2.5kHz; 3.5kHz; 5kHz; 8kHz; 10kHz; and 12kHz. Maximum cut/boost is 10dB controlled in steps of 2dB via precision, stepped, rotary attenuators. The EQ is entirely passive and incorporates high-quality inductors housed in mu-metal cans.
More about the PHILTER here.
HYDRA - Multi-headed, transistorised microphone preamp'
The HYDRA is Phædrus Audio's multi-headed, transistorised microphone preamp'. A unique concept, the HYDRA contains four classic circuits: the SW1, the SW13, NW8 and W1; each a recreation of the solid-state microphone preamplifiers found in these locations in London in the nineteen-sixties.
More about the HYDRA here.
PHAMULUS - Vari-mu compressor; based on the Altec 436
The PHAMULUS is a single-channel, tube, delta-mu compressor based on the Altec 436 and adding the famous modifications which transformed the Altec into the Abbey Road RS124. Two mono PHAMULUS units may be linked to provide stereo compression/limiting.
More about the PHAMULUS here.
The Phædrus Audio SHUpHLER stereo correction matrix offers new and old treatments for stereo microphone and panned-stereo signals. For the first time ever, one unit contains Blumleins original shuffler circuit, (which permits pin-point sharp stereo recordings to be made with near-spaced omni microphones) and the Stereosonic Shuffler developed for the famous Abbey Road consoles of the 1960s. In addition, the unit provides sum-difference processing for MS microphone arrays, FRANCINSTIEN stereo enhancement, and an entirely new stereo correction technique for crossed cardiods, ORTF and NOS arrays.
More about the SHUpHLER here.
Each of the London Series modules is rack mountable in a 19", 2RU keeper plate.
By this means, different signal processing arrangements may be simpy configured according to requirements.
Keeper plates are available to house 2 London Series units.
When an insensitive, ribbon or moving-coil microphone is used with a classic microphone preamplifierlike the PHAB, there is often the need to run the preamp' "flat-out" in order to get enough gain into the DAW interface. This is rarely an ideal condition. For this reason, we are introduced the new Phædrus Audio PHAUN, a fully balanced, class-A, super low-noise microphone head-amplifier to be used between the ribbon, or the moving-coil microphone and the PHAB or HYDRA preamplifiers.
London Series - Power supply options
London series modules may be run from the included AC supplies, or from a PHUEL PSU.
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