Accessories And Options - KLEIN+HUMMEL O 410 Mode D'emploi

O 410 maximum SPL at 3 % and 10 % THD

Accessories and Options

In this section is a description of the options and accessories that are available for the products covered in the
operating manual. Note that options and accessories are fitted at the user's own risk and that safety and
warning instructions should be observed.
Transformer balanced input module option (TIM 1)
This option changes the electronic balanced input into a transformer balanced input for increased noise
immunity, especially when used in conjunction with the ground lift switch. The circuitry is based on a current
transformation with a THD less then -100 dB @ 16 dBu input level, even down to 20 Hz. It can be used in
conjunction with the digital input option when "Analog" is selected.
Digital input module option (DIM 1)
This option is a 16...24-bit, 20...216 kHz digital input stage that can accept AES3-2003 (commonly known as
AES/EBU), AES3id-2001, and S/P-DIF (with a suitable impedance adapter or connector converter) signals. XLR
and BNC connectors ensure good interconnectivity options. A buffered BNC output is provided for connecting
additional loudspeakers to the same cable – a user supplied 75 Ω BNC terminated coaxial cable is required for this
(same cable type as used for word clock signals). The BNC output provides an electronically buffered copy of the
input data, but in AES3id format. The BNC input stage has an internal 75 Ω termination so T-pieces and
terminators are not required. A four-way switch allows selection of:
•
"Analog" input (electronic, or transformer if it is fitted)
•
Digital subframe "A"
•
Digital subframe "B"
•
Digital subframes A and B simultaneously "M" (mono). Note: output level is automatically attenuated by
6 dB to avoid clipping and have the same loudness as a single channel reproduction (A or B).
It is possible to have an analog and a digital cable simultaneously connected to the loudspeaker. The input
selector switch is used to monitor the selected input. Only one of the digital inputs (XLR or BNC) should be
connected at a time. A clock input is not required because loudspeakers are not audio sources and the clock signal
is locally regenerated from data contained in the bit stream.
User-bit volume control (IEC 60958-1) is supported so that the source can directly control the output level of the
loudspeaker whilst using digital signals normalized to full scale. The digital volume control occurs in the analog
domain, thereby offering full bit resolution and improved reproduction at low replay levels. The source must also
support this standard for it to work – see information provided by the manufacturer of the source to see how it
has been implemented.
De-emphasis is supported on 32, 44.1, and 48 kHz sample rates.
Operating Manual O 410 English
Klein + Hummel
14