FP23
Shure
FP23
Shure FP-23 Microphone Preamplifier
This preamplifier is a compact and rugged tool for use in today's high definition broadcast world. Featuring resilient mechanical and electrical construction from high quality components, the FP23 is ideal for use in any critical location or broadcast environment. Applications include radio, television, and film, as well as sports programming and other production capacities.
The FP23 is extremely durable, easy to use, and exceptionally quiet. The versatility of battery power and the availability of phantom power make the FP23 a necessity for any broadcast professional.
The FP23 is extremely durable, easy to use, and exceptionally quiet. The versatility of battery power and the availability of phantom power make the FP23 a necessity for any broadcast professional.
Product Weight: 1.24 lbs
Dimensions: 1.7”H x 3.7”W x 5.5”D
Technical Tools
PDF Documents
- Product Manual - Shure - F23 (506 KB)
Manufacturer Specs
Gain: 0 dB to 66 dB input to output, switch selectable
Gain Accuracy: +0.6, 0.1 dB with reference to front panel gain markings (150 ohms source, 100 kilohms load impedances)
Frequency Response
20 Hz 22 kHz, +0.1, 0.5 dB
1 dB at 50 kHz (relative to 1 kHz level with 150 ohms source)
Equivalent Input Noise:
126 dBu (128 dBV) maximum
(150 ohms source, flat weighting, 22 Hz 22 kHz bandwidth for gain settings of 36 dB or greater)
Output Clipping Level: +22 dBu minimum with 100 kilohm load +20 dBu minimum with 600 ohm load
Input Clipping Level: +4 dBu minimum at the 0 or +18 dB gain setting
Dynamic Range: 122 dB minimum at the +18 dB gain setting
THD + Noise: 0.05% maximum (from 50 Hz to 22 kHz @ +4 dBu output level, 22 Hz 22 kHz filter bandwidth, +46 dB gain setting)
Common Mode Rejection Ratio
100 dB minimum at 80 Hz
60 dB minimum at 10 kHz
Input: Transformer-balanced, 2000 ohm input impedance
Output: Transformer-balanced, 130 ohm output impedance
Low Cut: 80 Hz or 160 Hz (switch selectable), 6 dB per octave
Phantom Power: 12V or 48V (switch selectable) per DIN 45 596
Limiter: Limits to +17 dBu output level
10:1 limiting ratio
5 ms attack time, 100 ms release time
Amber/Red LED indicates limiting/clipping
Internal Voltage Rails: +15 V and 15 V, regulated
Power: 2 AA batteries, 24 hours life typical with +4 dBu signal into 600 ohms, no phantom power
Power LED
Green indicates power and good battery.
Red indicates power and low battery.
LED turns red when approximately 4 hours of battery life remain.
Polarity: Mic input to line output is non-inverting
Operating Temperature Range: 0 to 135°F
Gain Accuracy: +0.6, 0.1 dB with reference to front panel gain markings (150 ohms source, 100 kilohms load impedances)
Frequency Response
20 Hz 22 kHz, +0.1, 0.5 dB
1 dB at 50 kHz (relative to 1 kHz level with 150 ohms source)
Equivalent Input Noise:
126 dBu (128 dBV) maximum
(150 ohms source, flat weighting, 22 Hz 22 kHz bandwidth for gain settings of 36 dB or greater)
Output Clipping Level: +22 dBu minimum with 100 kilohm load +20 dBu minimum with 600 ohm load
Input Clipping Level: +4 dBu minimum at the 0 or +18 dB gain setting
Dynamic Range: 122 dB minimum at the +18 dB gain setting
THD + Noise: 0.05% maximum (from 50 Hz to 22 kHz @ +4 dBu output level, 22 Hz 22 kHz filter bandwidth, +46 dB gain setting)
Common Mode Rejection Ratio
100 dB minimum at 80 Hz
60 dB minimum at 10 kHz
Input: Transformer-balanced, 2000 ohm input impedance
Output: Transformer-balanced, 130 ohm output impedance
Low Cut: 80 Hz or 160 Hz (switch selectable), 6 dB per octave
Phantom Power: 12V or 48V (switch selectable) per DIN 45 596
Limiter: Limits to +17 dBu output level
10:1 limiting ratio
5 ms attack time, 100 ms release time
Amber/Red LED indicates limiting/clipping
Internal Voltage Rails: +15 V and 15 V, regulated
Power: 2 AA batteries, 24 hours life typical with +4 dBu signal into 600 ohms, no phantom power
Power LED
Green indicates power and good battery.
Red indicates power and low battery.
LED turns red when approximately 4 hours of battery life remain.
Polarity: Mic input to line output is non-inverting
Operating Temperature Range: 0 to 135°F