Ribbon Mic Preamp
Grace Design m501 500-Series Microphone Preamp Details
Presenting the Grace Design m501, the 500 series module version of the venerable m101 mic preamplifier. Now the signature transparency and detail of the circuit designs is available for your 500 series frame.
While the 500 series market has plenty of colored mic preamplifier options, the natural, musical clarity of the m501 makes it a welcome addition to the field. This circuit is for engineers confident with the quality of the source, mic section and placement, and wish to capture it with as little coloration or distortion as possible.
The True Systems P-SOLO Ribbon mic preamplifier is a single-channel, analog output, microphone/instrument preamplifier “super-tweaked” for superior performance with vintage and contemporary ribbon mics. With up to 76dB of gain (in 2 ranges), the P-SOLO Ribbon has an electronically balanced, high-impedance mic input, discrete FET instrument input, 80Hz High Pass Filter, a 4-segment LED bar graph level meter with signal present and overload indicators, plus a continuously variable gain control. The back panel offers both XLR and TRS balanced outputs for easy interface (and zero latency monitoring) in any system.
The P-SOLO Ribbon is different because it uses a combination of discrete components and integrated circuits in a totally balanced, DC-coupled architecture to achieve extraordinarily clean and transparent performance with ribbon and dynamic microphones. The P-SOLO Ribbon will reveal more detail than you ever thought possible. (Note: not for active ribbon mics.) The extraordinary TRUE DI offers superior sonic quality comparable only to expensive outboard DI’s.
The AEA RPQ with Curve Shaping and 48-volt phantom power puts all the controls for any ribbon microphone (passive AND active) at your fingertips: 80 dB of clean quiet JFET gain, P48 phantom power for active studio ribbons such as AEA’s A440, and LF trim and HF boost contols that are tuneable and defeatable so that you can tame proximity problems and/or add a little more to the top.
The RPQ has the speed, quietness, and headroom needed for high resolution ribbon recordings, and it sounds good with condenser and moving coil mics. AEA’s DC-coupled JFET topology delivers all the dynamics, subwoofer bass and fast transients that your ribbon and other mics are capable of. Its discrete front end and integrated circuit architecture meld the quietness of solid state with an openness reminiscent of tubes.
The AEA Ribbon Mic Preamplifier is an ultra high-gain and impedance, minimal-path FET mic pre designed by Fred Forssell. This low-noise two-channel preamp is for ribbon, moving coil, and tube microphones that do not use or want phantom power. This allows for improvements in minimal path circuitry and also rids the unit of phantom-power blocking capacitors. Zener diodes on the input protect the input stage if external phantom power is applied.
First stage gain is set from +6 to +63 dB by a 12 position Grayhill switch. Another 20dB of gain is available after the output level potentiometer. Polarity reversal and high pass switches on the two channels are complimented by operating and overload LED metering.
The two-channel Cloudlifter from Cloud Microphones, perfect for location recording or in the studio, was designed in collaboration with Stephen Sank to interface passive, low-output ribbon or dynamic microphones with any phantom-powered input device. Offering two channels of portable, world-class, initial pre-amplification for any passive signal, the Cloudlifter drastically improves the signal to noise ratio of any passive microphone/preamp combination.