KH310

Free field frequency response ±6 dB    30 Hz … 22 kHz

Free field frequency response ±3 dB    34 Hz … 21 kHz

Free field frequency linearity deviation between 100 Hz and 10 kHz    ± 1.1 dB

Reproduction accuracy between 100 Hz and 10 kHz: 100%, 80%, 50% of loudspeakers produced    ±0.87; ±0.39; ±0.23 dB

Self-generated noise at 10 cm (with input gain set to 100 dB SPL for 0 dBu)    <20 dB(A) SPL

Sine wave output with a THD < 0.5 % at 1 m in half space    95 dB SPL (>85 Hz)

Max. SPL calc. in half space at 3% THD at 1m (averaged between 100 Hz and 6 kHz)    116.3 dB SPL

Max. SPL in full space at 3% THD at 1m (averaged between 100 Hz and 6 kHz)    110.3 dB SPL

Bass capability: Max. SPL in half space at 3% THD at 1m (averaged between 50 Hz and 100 Hz)    104.5 dB SPL

Max. short term SPL with IEC-weighted noise (IEC 60268-5) at 1 m, in typical listening conditions    113 dB(C) SPL

Max. short term SPL with music material at 2.3 m in typical listening conditions (pair / full range)    100 dB(C) SPL

Max. short term SPL with music material at 2.3 m, in typical listening conditions (pair with subwoofer)    107 dB(C) SPL

Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single / pair full range)    93 / 99 dB(C) SPL

Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single / pair with subwoofer)    94 / 100 dB(C) SPL

Analog input(s)    XLR: analog electronically balanced

Analog input impedance    >13k Ohms

Max. input level    +24 dBu

Common mode rejection ratio (CMRR)    >56 dB @ 15kHz

Input gain control (sensitivity)    0 dB ... -15 dB

Output level control (output level in 1 m based on 0 dBu input level)    94; 100; 108; 114 dB SPL

Controller design    Analog; active

Crossover frequency    650 Hz and 2.0 kHz

Crossover slope    24 dB/oct; 4th order

Equalization: Bass    0; -2.5; -5; -7.5 dB

Equalization: Low-Mid    0; -1.5; -3; -4.5 dB

Equalization: Treble    +1; 0; -1; -2 dB

Protection circuitry    Independent thermo limiters for woofer, midrange dome and tweeter. Woofer soft clip and excursion limiters. Amplifier overheat.

Infrasonic filter: frequency; slope    15 Hz; 6 dB/oct.

Display: On; Normal Operation    Neumann logo “White”

Display: Limit / Clip / Errors / Protection /Boot Mute / Shut Down Mute    Neumann logo “Red”

Display Brightness    White: 100%/60%/30%/off; Red: 100%/60%/30%

Output power woofer amplifier (THD+N with limiter deactivated: 10%)    210 W

Output power midrange amplifier (THD+N with limiter deactivated: 10%)    90 W

Output power tweeter amplifier (THD+N with limiter deactivated: 10%)    90 W

Output power woofer amplifier (THD+N with limiter deactivated: 0.1%)    150 W

Output power midrange amplifier (THD+N with limiter deactivated: 0.1%)    70 W

Output power tweeter amplifier (THD+N with limiter deactivated: 0.1%)    70 W

Mains Power Supply: input voltage; frequency    100-240V; 50/60 Hz

Power consumption (230 V / 100 V): Idle    24 W

Power consumption (230 V / 100 V): Full output    300 W

Cabinet material    Polyurethane front, wooden sleeve, aluminum electronics panel

Cabinet surface finish; color (front / back)    Painted; metallic anthracite (RAL 7021) / black (RAL 9005)

Operating conditions    +10° C to +40° C (+50° F to +104° F); <90% RH, non-condensing

Transport/storage conditions    -25° C to +70° C (-13° F to 158° F); <90% RH; non-condensing

Woofer    210 mm (8 1/4") magnetically sheilded

Midrange    75 mm (3") with magnetic sheilding

Tweeter    25 mm (1") with protecting black metal grille

Mounting points    2 x M8 on side panels; thread depth from outside of cabinet 25 mm (1”);Rear panel screws for attaching LH 41 base plate

Product dimensions (height x width x depth)    253 x 383 x 292 mm (10" x 15 1/8" x 11 1/2")

External net volume    28.3 liters

Product weight    13.0 kg (28 lbs 11 oz)

Packed dimensions (height x width x depth), mm (inches)    360 x 380 x 590 mm (14 1/8" x 15" x 23 1/4")

Packed weight    16.8 kg (37 lbs 1 oz)

Packed cube    0.081 m³