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CAD Equitek E100S
Photo: CAD Audio, from its spec sheet, p. 1.

CAD Audio

CAD Equitek E100S

Large-diaphragm transformerless FET condenser, fixed supercardioid, with pad and high-pass filter; very low self-noise

Type
Condenser
Pattern
Supercardioid
Sensitivity
−30 dBV/Pa
Self-noise
3.7 dB(A)
Max SPL
150 dB SPL
Impedance
150 Ω
Rated range
40 – 18k Hz

Frequency response

Angle
Distance

Frequency response: from the spec sheet, p. 2. "Frequency Response"; relative dB ("AMPLITUDE", 0 dB on the 0dB line). Distance, room, smoothing and switch settings not stated; the rated response is "<40Hz - 18KHz".

Dashed: outside the rated range, or simulated (other angles and distances). Hover or tap the graphs for values.

Polar pattern

Polar pattern: from the spec sheet, p. 2. "Polar Pattern", "AMPLITUDE VS. ANGLE 1 KHz"; 5 dB per ring ("0dB" and "-10" printed on the rings).

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All specs

From the spec sheet
Capsule1-inch, nickel-plated. "The nickel plated 1 inch capsule".p. 1
Sensitivity−30 dBV/Pa (28 mV/Pa). "-30dBV (28mV) @ 1Pa".p. 2
Self-noise3.7 dB(A). "3.7dBA (best in class)"; page 1: "the lowest noise floor in its class (3.7 dBA)".
Max SPL150 dB SPL, pad engaged. "150dB (Pad engaged)". No figure without the pad.
Output impedance150 ohm
Rated frequency range40 Hz to 18 kHz. "<40Hz - 18KHz"; the graph is drawn from about 40 Hz.
Poweringphantom 48 V. "Power Requirements ... P48"; "48V Phantom power is required" (p. 1).
Low cutflat, 80 Hz; 80 Hz. "Hi-Pass ... 80Hz"; slope not stated. A two-position slide switch marked "HI-PASS" in the drawing. Not graphed.
Pad−10 dB. "Attenuator ... 10dB"; a "-10dB / 0dB" slide switch marked "PAD" in the drawing.
Weight610 g, net. "22oz (610g)".
Dimensions154 × 62.7 mm. From the dimensional drawing: height "154.0mm [6.06"]", width "62.7mm [2.47"]"; depth not given.
Supplied accessorieswood case (cherry); shock mount. "Vintage wood grain cherry case and stealth shock mount included."p. 1
AmplifierBootstrapped, fully differential Quadra-FET front end
Made inUSA ("Engineered and built in the USA"; "USA Series" on the body)

Documents

Copies kept by Mic Archive, because manufacturers move and drop their documents. Each is © CAD Audio, unchanged, with its original address.

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