By: Shure
Microphones, Headphones & Wireless systems
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
3-Channel Stereo Mixer
The Shure Mixer & DSP Series FP 33 is a 3-input, 2 output, portable stereo mixer specifically designed for remote audio recording, electronic field production, electronic news gathering, and location film production.

FP-33 features include: High-quality, sealed input potentiometers, Dynamic range of over 100dB 48V phantom, 12V phantom power, and 12V T (A-B) power, LED indicators of input levels, output peaks, limiter action, and low battery. Pop-up pan pots and a link switch to couple inputs 2&3 into a stereo pair, Mix Bus to connect an additional FP33 or FP32A, comprehensive headphone monitoring control including headphone MS stereo matrix, internal DIP switches for over 4,000 customized setups. The FP33 has an exceptionally low self-noise and a wide dynamic range that are perfect for use with DAT and other digital recording media.

New: Ability to link with the Shure FP24 mixer using the A33LK accessory cable to create a highly portable 5 x 2 audio production system.
Exceptionally quiet design, suitable for use with DAT and other digital formats
Extended frequency response of 20 Hz–20 kHz
Dynamic range greater than 100 dB
Transformer balanced inputs and outputs for superior rejection of RFI and electromagnetic hum
Three selectable mic/line inputs
Two selectable mic/line outputs
Wide range input gain controls handle hot signal levels without attenuators
48 V phantom, 12 V phantom, and 12 V T (A-B) microphone power
Pop-up pan pots
Link switch gangs inputs 2 and 3 to control a stereo microphone
Switchable low-cut filters on each input
Bi-color LED signal presence and peak indicator for each input
Professional VU meters with selectable timed or toggled backlighting
Dual clutched Master gain control for simultaneous or separate adjustment of output levels
Bi-color LED limiter and peak indicator for each output
Two linkable output peak limiters with adjustable thresholds and release times
Slate microphone and slate tone with selectable functions
Isolated two-way talk-back using Monitor In and modified Slate Mic/Tape Out jack
High tolerance 3.5 mm jacks for stereo Tape Out and Monitor In
1 kHz tone oscillator
Mix bus jack and cable to link FP33 or FP32A mixers
Headphone monitor mode switch to select L, L R (Mono), R, or Stereo
Internal headphone level adjustments to balance post–master audio levels and Monitor In levels at the headphone output
Selectable M/S decoding circuit for headphone monitor
Mixer/Monitor In switch (locking and momentary)
Internal Monitor defeat switch for split-feed headphone operation
Headphone volume control
1/4 in. and 3.5 mm jacks for stereo headphone outputs
Customized operation via internal DIP switches, trim pots, slide switches, and optional jumpers
Regulated voltage rails (±15 Vdc) provide exceptional headroom
Bi-color power On/Off LED
Battery check switch and low battery warning LED
Non-polarized external power jack
External power operating range of 12 to 30 Vdc
Soft-touch, color coded control knobs with raised position indicators
Metal XLR input and output connectors
Rugged, plated metal chassis
Operates for 8 hours on two 9 V alkaline batteries
Includes carrying case, shoulder strap, and mix bus cable
Frequency Response 20 to 20,000 Hz r2.0 dB (channel controls centered)
Voltage Gain Input= Low-Z Mic (150 O), Line, Monitor; Line= 78dB, 28dB, -; Mic= 28dB, -22dB, -; Headphones= 89dB, 39db, 11db; tape= 66dB, 16dB, -
Inputs Input= Mic, Line, Monitor; Impendance Designed for Use with= 19 to 600 O, -< 10kO, -< 1kO; Impendance Actual (internal)= 1kO, 50kO, 10kO; Input Clip Level= -10dBV, 36dbV, 21dBV
Outputs Input= Mic, Line, Tape, Headphones; Impendance Designed for Use with= Low-Z inputs, 600 O, >10kO, 8to 200 O; Impendance Actual (internal)= 1 O, 150 O, 2.2kO, 300 O; Output Clip Level= -31dBV, 18dBm, 3dBV, 11dBV
Total Harmonic Distortion 0.25% THD at 4 dBm output, 50 to 20,000 Hz.
Equivalent Input Noise –127 dBV with 150 = source, 20 to 20,000 Hz.
Output Noise Master level fully CCW= d –100 dBV, 20 to 20,000 Hz; Master level fully CW= d –80 dBV, 20 to 20,000 Hz
Common Mode Rejection Ratio 65 dB at 100 Hz, –20 dBV input
Polarity Mic/Line In to Mic/Line Out= Non-Inverting; Mic/Line In to Headphones= Non-Inverting; Mic/Line In to Tape Out= Non-Inverting; Mic/Line to Mix Bus= Inverting; Monitor In to Headphones= Non-Inverting
Overload and Shorting Shorted outputs, even for prolonged periods, cause no damage. Microphone inputs of up to 3 Vrms cause no damage. The Line and monitor inputs can withstand signals of up to 30 Vrms
Input Channel Bi-Color LEDs Green= Signal presence; visual indication of mix level; Red= 6 dB below clipping level
Output Peak/Limiter Bi-Color LEDs Green= Output being limited by 1 dB or more. Red= Output peak threshold reached; factory set at 17 dBm; user adjustable from 0 to 17 dBm
Output Clipping Level -> -18 dBm at line output into 600 O
Low–Cut Filters 6 dB down at 150 Hz; 6 dB/octave slope
Pan Attenuation Level 45 dB
Tone Oscillator 1 kHz r10%
Slate Tone Oscillator 400 Hz r10%
Limiter Threshold= Adjustable; 0 dBm to 15 dBm; Attack Time= 1 ms; Release Time Constant= Selectable; 100 ms or 1 s; Indicator= Green when limiting by 1 dB or more
Microphone Power 12 V Phantom= 12 V through matched 680 O; 48 V Phantom= 48 V through matched 6.8 kO; 12 V T (A–B)= 12 V through matched 180 O
Mixer Power Internal= Two 9 V alkaline batteries; External= 12–30 Vdc to dc In jack; non–polarized; Current Drain= Approximately 41 mA (idle) at 18 V; Battery Life= 8 hours minimum, typical
Temperature Range Operating= 0q to 60q C (32q to 140qF); Storage= –40q to 85q C (–40q to 185q F)
Overall Dimensions (H x W x D) 58 mm x 184 mm x 161 mm (7–1/4 x 6–3/8 x 2–1/4 in.)
Net Weight (without batteries) 1.6 kg (3.5 lbs)

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Prices and specifications subject to change without notice.