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Josephson Microphones

Series Seven microphones

The Josephson C715 is a special microphone with a large single diaphragm. The element has an adjustable shutter that allows it to function in cardioid or omni (or any pattern in between). The C715 is especially intended for studio vocals where the utmost of detail and nuance is needed without ever being harsh. It's also excellent for instrument pickup, particularly where other mics sound too strident. Besides the capsule design, this mic gets it particularly smooth sound through the use of an aluminum foam basket (patent pending) that provides shielding and protection without adding any internal reflecting surfaces near the diaphragm.

The Josephson C716 which uses the dual-diaphragm element from the C700 series in a cardioid-only configuration. This combines the warmth and accuracy of the C700 series with the transparency of the metal foam basket used in the C715. It's a unique go-to microphone for any studio application where cardioid would be the preferred choice.


Josephson Series Six Microphones
Two microphones are offered in the Series Six, the C617SET and the e22S. The C617SET is the ideal microphone for any pickup whenever an pure pressure omnidirectional pickup can be used. The capsule is a nickel-diaphragm instrumentation type from Microtech Gefell in Germany and the internal electronics, operating from 48 volt phantom, provides 200 volts polarize for the capsule. The e22S originated as a special-purpose drum microphone, developed in cooperation with Steve Albini of electrical audio in Chicago. It's a small-diaphragm side-address cardioid designed for use close up to the sound source. Besides drums it's also found wide application for any close-up instrument pickup where natural sound (including the sound that leaks into the pattern from the rear)  is important.


Josephson Series Four Microphones
The Josephson C42 microphone is a moderate cost cardioid mic suitable for many tasks in the studio and field recording. It has particularly low coloration off-axis and is suitable for distant pickups from drum overheads to overall ensemble miking. The C42 is available in single or matched pairs.

Josephson C715 $3950

Series Seven microphones provide unprecedented flexibility in studio pickups with a variety of directional patterns. The C715 uses a unique single large diaphragm capsule with an adjustable vent allowing cardioid or omni operation, and includes a new, patent-pending metal foam housing for minimum acoustic coloration due to the elimination of many internal reflecting surfaces.

The C715 features the new single-sided capsule with a 5 micron evaporated gold diaphragm. The backplate has an adjustable vent, reached through an opening in the back of the grille, that allows the mic to be adjusted from cardioid to omni. The single diaphragm capsule has a particularly smooth sound, usable for many studio applications where some conventional dual diaphragm mics are too harsh or bright.

The internal circuitry uses a class-A cascode FET front end, driving a large nickel core Lundahl output transformer for compatibilty with a wide range of preamps and consoles. The internal high voltage linear supply generates capsule polarization voltage without using a switching oscillator, for very low noise.

The capsule assembly in the C715 is internally shock mounted so that the mic may be attached directly to a stand through its rugged yoke mount, without using any external accessories.

Specifications

Pressure-gradient condenser microphone transducer
Variable cardioid/omni directional pattern
Frequency range 20-20,000 Hz
Sensitivity -55 dB ref 1V/Pa (1.8 mV/Pa)
Equivalent noise level <19 dB SPL, A weighted rms
Overload sound level 140 dB SPL
Power supply P48 phantom, 2 mA
Diameter 63 mm (100 mm wide at yoke), length 261 mm
Weight 1.2 kg
Output connector 3-pin XLR
Made in USA

 

Josephson C716 microphone $4155

Series Seven microphones provide unprecedented flexibility in studio pickups with a variety of directional patterns. The C716 dual-diaphragm capsule is optimized for cardioid, and is ideal for vocal pickups and instrumentals where a warm, natural sound is needed with minimum acoustic coloration. Off-axis response is particularly smooth, yielding excellent results in a variety of acoustic environments.

The C716 features a cardioid version of the large dual-diaphragm capsule used in Josephson’s C700 series, with a 5 micron evaporated gold diaphragm. The head grille uses Josephson’s patent-pending hard metal foam structure welded to the housing tube, instead of wire mesh or perforated metal. No other structure is needed, so internal reflections are randomized for clean, detailed sound pickup. The entire housing, circuit board, capsule and all its internal parts are made by Josephson in the USA. The microphone features a hard matte black chrome finish for durability in studio use.

The internal circuitry uses a class-A FET front end with active balanced transformerless output using discrete large-geometry devices like those in the Josephson C700 and C617. The internal high voltage linear supply generates capsule polarization voltage without using any digital devices or oscillators, for very low noise.

The capsule assembly in the C716 is internally shock mounted so that the mic may be attached directly to a stand through its rugged yoke mount, without using any external accessories.

Specifications

Pressure-gradient condenser microphone transducer
Cardioid directional pattern
Frequency range 20-20,000 Hz
Sensitivity -32 dB ref 1V/Pa (26 mV/Pa)
Equivalent noise level <15 dB SPL, A weighted rms
Overload sound level 136 dB SPL
Power supply P48 phantom, 5 mA
Diameter 63 mm (100 mm wide at yoke), length 261 mm
Weight 1.2 kg
Output connector 3-pin XLR
Made in USA

 

Josephson C700A microphone $4775
Josephson C700S microphone $6995

Series Seven microphones provide unprecedented flexibility, as the directional pattern of the mic can be adjusted in use, during or after recording. C700 microphones include omni/pressure and figure-8/gradient capsules, each with a discrete output. The signals can be recorded on separate tracks, so the pattern can be selected in mixdown. Pattern control is only one advantage of this technique.
Applying different equalization or dynamic control to the capsule signals makes entirely different mic characteristics – for instance the warmth of a gradient micused close up for vocals might be combined with the transparency of a pressure mic in the highs, by rolling off the high frequencies in the gradient signal and the lows in the pressure signal before they are combined.

The C700A includes two capsules in one housing, a 16mm omni element similar to the KA11 capsule in the Series Six, and a 26mm figure-8 capsule. Completely neutral electronics, using the same cascode FET input, class-A active balanced output circuit found in the Series Six, are provided for each signal. Any directional pattern from omni to figure-8 may be selected by controlling the ratio of pressure to gradient signals.

The C700S microphone has three capsules; an additional side-facing figure-8 capsule is added to the two in the C700A. Any coincident stereo pickup can be derived from mixing these three signals together, and like the C700A, the signals can be recorded individually and all aspects of image width and pattern control may be adjusted in the mixdown. With the three capsule signals, any number of microphone outputs may be created, each one pointed anywhere in the plane around the microphone.

The capsule assembly in the Series Seven is internally shock mounted, so that the mic may be attached directly to a stand through its yoke mount without any external accessories.

Specifications common to C700 series
Pressure and pressure gradient condenser microphone transducers
Variable directional pattern achieved by mixing output signals (see over)
Frequency range 20-20,000 Hz ±2 dB from reference curve
Sensitivity –41 dB ref 1 V/Pa (9 mV/Pa) for each signal
Overload sound pressure 135dB SPL at 1kΩ load for <1% THD
Equivalent noise level 15 dB SPL, A-weighted
Power supply P48 phantom, 4 mA per output
Diameter 63mm (100 mm wide at yoke), length 328 mm (C700A), 365 mm (C700S) $
Output connector 5-pin XLR type (C700A), 7-pin XLR type (C700S)

 

Josephson e22S microphone $1390

The Josephson e22S side-address cardioid was designed to meet the needs of noted recording engineer Steve Albini. The physical profile allows unobtrusive placement, even with tight percussion layouts. Unique among studio condenser microphones, the e22S capsule geometry is optimized for spot miking performance. The circuit uses a cascode discrete FET front end, combined with a custom Lundahl output transformer. The electronics were designed to interface easily with either transformer or direct coupled mic preamps. The e22S has low self-noise, so it delivers low level detail, and handles high sound pressure levels for minimal distortion on extremely loud passages. The microphone housing is very rugged, with a precision machined, satin black chrome finish.

 

Josephson C42 MP matched pair microphones $1015
Josephson C42 microphone $455

The Josephson Engineering C42 is an all-purpose cardioid condenser microphone suitable for multiple recording applications including spot miking acoustic and amplified instruments, drums and drum overheads, ensemble and
choir pickups, concert recording, sound effects and vocals. Standard C42 microphones are satin machined stainless steel for years of rugged use.

C42 electronics feature a selected discrete FET driving a fully balanced symmetrical transformerless discrete
class-A output stage. The output impedance is low enough that very long cable runs may be used without signal
degradation. Although the microphone is specified for full P48 phantom power, it will function with phantom power as low as 24 volts, with some limitation in maximum SPL.

A stereo kit, the C42MP, includes a matched pair of C42 microphones in matte black chrome finish and a protective hard shell case.

Specifications
Output Level, mV/Pa 8.5
Frequency Response (at 60 cm) 40-20,000 Hz± 2 dB from curve
Equivalent Noise Level, A-weighted≤21 dB
Maximum SPL (with P48 power) 135 dB
Output Impedance 50Ω (recommended load≥1KΩ)
Power Requirements P48 phantom power, 4.5 mA
Temperature Range -10 to +50°C
Dimensions 21mm diameter, 98mm long
Weight 80grams (< 3 ounces)
Connector 3 pin XLR type, pin 2 positive polarity

 

Josephson C617SET omnidirectional microphone $2075

The Josephson C617 is the second generation of our high voltage metal diaphragm omnidirectional microphone, suitable for the most critical sound recording and measurement applications. It operates from standard P48 phantom power yet provides full 200 volt polarize potential for a lab grade standard “half inch” microphone capsule.

The C617SET is supplied with a Microtech Gefell MK221 capsule. The dynamic range is dependent on the inherent noise of the microphone capsule and the limits of P48 phantom power. The Josephson cascode FET front end circuitry introduced in the C606 is further refined in the C617, combined with our traditional balanced bipolar class-A symmetrical output stage.

For music recording, the Josephson balanced symmetrical circuitry together with a sub-micron thickness metal diaphragm capsule translate to the purest, most open sound possible. Pickup of sound pressure alone results in no proximity effect, very low sensitivity to wind noise, and phase accuracy that cannot be obtained with directional microphones. Spot-miking applications or overall stereo pickups using spaced pairs take on a new level of detail and precision not possible with other types. The small capsule size results in a nearly perfect omnidirectional pattern for accurate pickup of the whole acoustic environment.

Specifications of C617SET
Frequency Response 10 Hz – 20 kHz ±1 dB
Equivalent noise level 14 dB SPL, A-weighted
Sensitivity 66 mV/Pa (-24 dB ref 1V/Pa)
Maximum output level +7dBV for <1% THD, 1kΩ load (127 dB SPL)
Output impedance 50Ω (minimum load impedance 1kΩ)
Power requirements P48 phantom per IEC 61938, <5 mA
Temperature Range, -10 to +50°C

Dimensions 21mm dia, 176mm long (with capsule)
Weight 120g

Specifications of C617 body alone, for use with other capsules, as above except:
Frequency Response 10 Hz – 80 kHz ±1 dB
Equivalent noise level <2.5μV A-weighted, <6.5μV CCIR quasi-peak
Gain 2.5 dB (balanced symmetrical direct coupled output)
Maximum output level +7dBV for <1% THD, 1kΩ load
Output impedance 50Ω (minimum load impedance 1kΩ)
Capsule polarization 200V
Dimensions 21mm dia, 165mm long (with capsule)
Weight 110 g

 

 

 

 

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