Specifications, Optional Accesories | Shure FP24 specification

Specifications

Gain:

Mic Input to Output, per channel, continuously variable

Output	Gain Range

LINE	±∞ ± 66 dB

TAPE	±∞ ± 56 dB

Frequency Response:

20 Hz ± 30 kHz, +0.2, ±0.5 dB; ±1 dB at 5 Hz, 50 kHz

(relative to 1 kHz level with 150 ohm source, gain controls set at 50%)

Equivalent Input Noise:

±126 dBu (±128 dBV) minimum

(150 ohm source, flat weighting, 22 Hz ± 22 kHz bandwidth, gain control set at 50% or higher, phantom power off)

Input Clipping Level:

±10 dBu minimum

Output Clipping Level:

Line: +22 dBu minimum with 100k ohm load +20 dBu minimum with 600 ohm load

Tape: +11 dBu (2.75 V RMS) minimum with 100k ohm load

Dynamic Range:

110 dB minimum

THD + Noise:

0.05% maximum

(from 50 Hz to 22 kHz @ +4 dBu output level, 22 Hz ± 22 kHz filter bandwidth, gain control at 50%, phantom off)

Common Mode Rejection Ratio:

100 dB minimum at 80 Hz

60 dB minimum at 10 kHz

Channel Separation:

Greater than 80 dB at 1 kHz (gain controls set to 50%)

Inputs:

Transformer-balanced, 2k ohm input impedance

Outputs:

XLR: Active, impedance-balanced, 120 ohm output impedance

Tape (3.5 mm (1/8 in.)): Unbalanced, tip±left, ring±right, sleeve± ground, 2.4k ohm output impedance

High Pass Filters:

80 Hz or 160 Hz (switch selectable), 6 dB per octave

Phantom Power:

15 V through 680 ohm resistors or 48 V through 6.8k resistors (switch selectable)

Limiter:

Thresholds independently adjustable from +6 dBu to +18 dBu

10:1 limiting ratio

5 ms attack time, 100 ms release time Amber/Red LED indicates limiting/clipping Dual mono or stereo linked

Internal Voltage Rails:

+15 V and ±15 V, regulated

Metering:

7 segment GaN (Gallium Nitride) meter with 3 intensities

Peak responding

Power:

Internal: 2 AA batteries

External: 5 ± 14 VDC via threaded coaxial connector* (5.5 mm outer diameter, 2.1 mm inner diameter); Pin positive, sleeve neg- ative; Voltages above 14 VDC cause no damage to unit, but will open an internal poly fuse that will reset when voltage is re- moved.

*Threaded coaxial connector provided for use with power sup- plies not equipped. For instructions on how to solder this connec- tor to a Shure PS20, see Figure 5.

Power LED:

Dual-color LED indicates following:

GreenÐexternal DC power or good battery.

RedÐless than 1 hour of battery life remaining (with phantom power off).

Polarity:

All inputs to all outputs, non-inverting.

Pin 2 of XLRs ªhotº (to unbalanced inputs and outputs).

Operating Temperature Range:

0 to 70 degrees C (32 to 160 degrees F)

Dimensions:

43 mm x 94 mm x 140 mm (H x W x D) (1.7º x 3.7º x 5.5º)

Weight (FP24 only):

0.8 kg (1.8 lbs.)

Weight (packaged):

1.2 kg (2.6 lbs.)

EMC Certifications:

Meets FCC Part 15 Class B Emissions; Eligible to bear CE mark (see conformance statement)

Optional Accesories

Balanced line-level-to-microphone-level

in-line adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A15LA

FP33/FP24 Interconnection Kit . . . . . . . . . . . . . . . . . . . . A33LK

Inline Polarity Inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . A15PRS

FP24 specifications

The Shure FP24 is a professional dual-channel field preamplifier designed for audio recording in a variety of environments. This compact and lightweight device is particularly favored by audio engineers and videographers for its high-quality sound capture and robust feature set. The FP24 is engineered to deliver precise audio performance and flexibility, making it an essential tool for filmmakers, sound recordists, and broadcast professionals.

One of the standout features of the FP24 is its dual-channel capabilities, allowing users to connect two microphone sources simultaneously. This is particularly useful in capturing interviews or dialogues where two subjects are speaking. The device supports both low- and high-impedance microphones, including dynamic and condenser types, providing versatility for different recording scenarios.

The FP24 incorporates Shure's advanced preamp technology, delivering a wide dynamic range and low self-noise floor. This ensures that audio recordings maintain clarity and detail, even in challenging environments. With a frequency response that extends from 20 Hz to 20 kHz, the FP24 captures the full spectrum of sound, making it suitable for a wide range of applications, from dialogue to music.

Another significant characteristic of the FP24 is its phantom power capability. It can provide +48V of phantom power, essential for powering condenser microphones. Users have the option to toggle phantom power on or off for each channel independently, adding to the device’s user-friendly design.

The FP24 features a durable and rugged construction, well-suited for field use. It is housed in a chassis designed to withstand the rigors of on-location recording, providing confidence to users in various environmental conditions. Additionally, the swept gain controls offer precise adjustments, enabling users to finely tune their audio levels for optimal sound quality.

For connectivity, the FP24 is equipped with XLR outputs, allowing direct connection to cameras or audio recorders. This ensures a straightforward integration into any audio or video workflow. The device also comes with a variety of mounting options, making it easy to attach to camera rigs or field bags.

Overall, the Shure FP24 is a powerful and reliable field preamplifier. Its combination of high-quality audio performance, versatile connectivity, and robust build makes it an excellent choice for professionals seeking top-tier audio capture in demanding environments. Whether on location for a film shoot or in a recording studio, the FP24 delivers professional-grade sound quality that meets the needs of discerning audio engineers.