User Manual

14 | KH 310
Cleaning and maintaining the KH 310
CAUTION
Damage to the product caused by liquids!
Liquids entering the product can cause a short-circuit in the electronics and damage or
even destroy the product.
X
Keep all liquids away from the product!
X
Before cleaning, disconnect the product from the mains power supply.
X
Use a soft, dry, and lint-free cloth to clean the product. Do not use any solvents or cleaning
agents.
X
Clean the cooling fins regularly. They should always be kept free from dust.
X
Never touch the driver diaphrams.
Troubleshooting
Problem Cause Solution
The Neumann logo is o, no sound
is heard from the KH 310
The KH 310’s internal
main fuse has blown.
Have the product
checked by an
authorized Neumann
service partner.
The Neumann logo is o or not
clearly visible, but sound is heard
from the KH 310
The Neumann logo is
switched o or dimmed.
Switch on the Neu-
mann logo
and switch o the
dimming
(see page 13) .
There is hum or buzz coming from
the KH 310 when the audio cable is
connected.
Bad cabling or ground
loop in the installation.
Check all cabling to
eliminate the cause
of the problem,
change from unba-
lanced to balanced
cabling, or use the
ground lift switch
(see page 13).
For further information, please refer to the “Questions & Answers” section on the product page
at www.neumann.com
Specifications
Acoustics
Free field frequency response 34 Hz to 21 kHz ±3 dB
Pass band free field frequency response 36 Hz to 20 kHz ±2 dB
Self-generated noise (INPUT GAIN set to 0 dB,
OUTPUT LEVEL set to 100 dB SPL)
< 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 1 m, averaged between 100 Hz and 6 kHz
114.2 dB SPL / 120.2 dB SPL
Bass capability:
Max. SPL in half space at 3 % THD at 1 m, averaged
between 50 Hz and 100 Hz
111.3 dB SPL
EN