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| Product Feature | Benefit to the Customer |
| Powerful alloy fabric dome | Low-distortion high-frequency reproduction |
| Elliptical Mathematically Modeled Dispersion™ (MMD™) waveguide, with wide horizontal and narrow vertical dispersion | Smoother off-axis response, More forgiving of diverse acoustical environments Freedom of movement across the mixing console Reduces reflections off the mixing console |
| New in-house simulated drivers | Latest modeling techniques used to minimize non-linear (intermodulation) distortion |
| Fabric dome, neodymium magnet, midrange driver | Dedicated driver reproduces important midrange frequencies, which is especially important for speech and vocals Light weight dome has better transient response and less breakup modes than cone designs High power magnet reduces harmonic and intermodulation distortion |
| Long throw composite sandwich cone bass driver with Extremely Linear Force Factor™ (ELFF™) and ribbed surround | Damping of break-up modes and low distortion at high sound levels Linear pistonic motor gives a very low harmonic distortion even at high excursions Reduced radial break-up modes on the ribbed surround |
| Two-color + dimmable Neumann logo | Displays operation status and activation of the extensive protection system Dimmable for low lighting level conditions or behind the screen applications |
| Compact sealed three-way cabinet design (magnetically shielded) | No standing wave resonances Fastest bass transient response Reduced intermodulation distortion in midrange |
| One-piece front panel with no discontinuities | Reduced diffraction and smoother frequency response |
| Powerful analog class AB amplifiers with large headroom | Improved transient response |
| Independent thermo limiters for woofer, midrange dome and tweeter to protect the voice coils. Woofer soft clip and excursion limiters | Fast acting, high reliability and allows extraction of the maximum performance from the system |
| Production consistency due to individual hand-alignment in final test | Any KH 310 is “pair-matched” to any other KH 310 |
| 4-position bass, low-mid and treble acoustical controls | More control in diverse acoustical environments |
| Wide range input gain and output level controls | Easier interfacing with signal sources |
| Ground lift | Reduced noise in electrically noisy environments and over-comes ground loops |
| Universal switched-mode power supply (100 … 240 V) | One version works in any country and robust to poor quality mains supply |
| Extensive mounting hardware options | More flexibility in mounting cabinets in more diverse locations and backwards compatibility with previous models |
| Optional robust metal grille | Can be used, if required, to protect the drivers |
| Optional transportation accessories | Stylish soft carry bag with space for cables Robust wooden flight case |
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| Acoustics | |
| Free field frequency response | 34 Hz – 21 kHz, ± 3 dB |
| Pass band free field frequency response | 36 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 1m | 110.3 / 116.3 dB SPL (averaged between 100 Hz and 6 kHz) |
| Bass capability: Max. SPL in half space at 3% THD at 1m | 104.5 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 conditions | 113 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 design | Analog, active |
| Crossover frequencies | 650 Hz / 2 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 |
| Infrasonic filter – frequency; slope | 15 Hz; 6 dB/oct |
| Input | XLR, analog electronically balanced |
| Impedance, electrically balanced | > 13k Ohms |
| Input gain control (sensitivity) | 0 dB to −15 dB |
| Output level control | 94, 100, 108, 114 dB SPL |
| CMRR | > 56 dB @ 100 – 15 kHz |
| Max. input level | +24 dBu |
| Displays and indicators – power on | Neumann logo “White” |
| Displays and indicators – limit / clip | Neumann logo “Red” |
| Mains Power Supply, voltage; frequency | 100-240 V~; 50/60 Hz |
| Power consumption – idle | 24 W |
| Power consumption – full output | 300 W |
| Mechanics | |
| Cabinet surface finish, colour | Painted wood and polyurethane, metallic anthracite (RAL 7021). Aluminum electronics panel, Black. |
| Baffle cover | Optional 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 |
| Drivers | Magnetically shielded |
| Woofer | 210 mm (8 1/4″) |
| Midrange | 75 mm (3″) |
| Tweeter | 25 mm (1″) |
| Mounting points | 2 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 / external | 16.2 liters / 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 and cube | 16.8 kg (37 lbs 1 oz), 0.081 m³ |
| Delivery includes | 1x KH 310 A 3x Main cables (European, UK and US version 4x Self-adhesive feet 1x Operating manual 1x Supplement “Getting Started Quickly” |
| Accessories |
Mounting on a floor stand Mounting on a lighting stand Mounting on a subwoofer Mounting on a surface (desktop or floor) Mounting on a wall Mounting off a ceiling Mounting off a lighting or truss bar Other accessories |
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