Acoustics
Free field frequency response34 Hz - 21 kHz, ± 3 dB
Pass band free field frequency response36 Hz - 20 kHz, ± 2 dB
Self-generated noise
(with input gain set to 100 dB for 0 dBu)< 20 dB(A) at 10 cm
Total harmonic distortion < 0.5 % at 95 dB SPL at 1 m> 85 Hz
Max. SPL in full space / calc. in half space
at 3% THD at 1m110.3 / 116.3 dB SPL
(averaged between 100 Hz and 6 kHz)
Bass capability: Max. SPL in half space
at 3% THD at 1m104.5 dB SPL
(averaged between 50 Hz and 100 Hz)
Max. short term SPL with IEC-weighted noise (IEC 60268-5) at 1 m, in typical listening conditions113 dB(C) SPL
Max. short term SPL with music material
at 2.3 m, in typical listening conditions (pair)100 dB(C) SPL (full range)
107 dB(C) SPL (with subwoofer)
Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single/pair)93 / 99 dB(C) SPL (full range)
94 / 100 dB(C) SPL (with subwoofer)
Electronics
Bass / Midrange / Treble Class AB amplifiers, cont. (peak) output power*150 W (210 W) / 70 W (90 W) / 70 W (90 W)
Controller designAnalog, active
Crossover frequencies650 Hz / 2 kHz
Crossover slope24 dB/oct, 4th order
Equalization - Bass0, −2.5, −5, −7.5 dB
Equalization - Low Mid0, −1.5, −3, −4.5 dB
Equalization - Treble+1, 0, −1, −2 dB
Protection circuitryIndependent thermo limiters for woofer, midrange dome and tweeter. Woofer soft clip and excursion limiters
Infrasonic filter - frequency; slope15 Hz; 6 dB/oct
InputXLR, analog electronically balanced
Impedance, electrically balanced> 13k Ohms
Input gain control (sensitivity)0 dB to −15 dB
Output level control94, 100, 108, 114 dB SPL
CMRR> 56 dB @ 100 - 15 kHz
Max. analog input level+24 dBu (+18 dBu for analog delayed)
Displays and indicators - power onNeumann logo “White”
Displays and indicators - limit / clipNeumann logo “Red”
Mains Power Supply, voltage; frequency
100-240 V~; 50/60 Hz
Power consumption - idle30 W
Power consumption - full output300 W
Digital Input/Output
Format BNCAES3, S/P-DIF
Impedance BNC, unbalanced75 Ω (input/output)
Format XLRAES3
Impedance XLR, balanced110 Ω (input)
Input switchingAnalog, Digital A, Digital B, Digital A+B (all available with and without delay)
Digital converter: resolution, design16 ... 24-bit DAC, Δ∑
Digital converter: sampling rate32 ... 192 kHz
Digital sensitivity-18 dBFS
D-A dynamic range120 dB
Audio-Video/lip sync and Time-of-Flight delay range0 ... 409.5 ms
Audio-Video/lip sync max. frames
0 ... 10.2 (40 ms) frames,
0 ... 12.3 (33 ms) frames
Resolution: time/distance0.1 ms / 3.4 cm ( 1 3/8")
Latency D-A (A-D-A)0.22 - 1.85 ms (0.54 ms)
Mechanics
Cabinet surface finish, colourPainted wood and polyurethane,
Anthracite (RAL 7021).
Aluminum electronics panel, Black.
Baffle coverOptional removable metal grille
Operating conditions+10° C to +40° C (+50° F to +104° F),
<90% RH, non-condensing
Transport/storage condition−25° C to +70° C (−13° F to 158° F),
<90% RH, non-condensing
DriversMagnetically shielded
Woofer210 mm (8 1/4")
Midrange75 mm (3")
Tweeter25 mm (1")
Cabinet designSealed
Mounting points2 x M8 on side panels, depth from outside of cabinet 25 mm (1”).
Rear panel screws for attaching LH 41 base plate.
Rear panel bracket.
Product dimensions
(height x width x depth), mm (inches)253 x 383 x 292 mm
(10" x 15 1/8" x 11 1/2")
Net volume, internal / external16.2 liters / 28.3 liters
Product weight13.1 kg (28 lbs 14 oz)
Packed dimensions
(height x width x depth), mm (inches)590 x 380 x 360 mm
(23 1/4" x 15" x 14 1/8")
Packed weight and cube16.9 kg (37 lbs 4 oz), 0.081 m³
Delivery includes1x KH 310 D
3x Cables (European, UK and US)
4x Self-adhesive feet
1x Operating manual
1x Supplement "Getting Started Quickly"