Lab.gruppen C Series C 10 4X Installation Manual page 3

The C Series comprises eight models divided into
two application-specific platforms: four C Series
high-power models; and four C...X models offering
either four or eight channels plus features
specifically tailored to distributed systems.
Selectable Gain and VPL: optimize and subwoofer applications, Soft
for any signal, any load for most high-impedance loads.
All C Series amplifiers feature
adjustable input gain, allowing you
Pick your bridges
to optimize the balance between All channels on C Series amplifiers
headroom and noise floor. Gain is set are bridgeable, and adjacent pairs can
globally in four-channel models, and be bridged independently. This puts
in blocks of four channels on eight- bridge-mode operation in a whole
channel models. new context. For example, using the
C 20:8X in a restaurant system, you
At the other end of the amplifier could bridge two channel pairs for
signal chain, the VPL (Voltage Peak ceiling subwoofers and still have four
Limiter) lets you individually tailor channels left for driving four separate
each output for the characteristics mid-high zones, either low-impedance
of the connected load. For direct or 70 / 100 V.
drive of high-impedance systems
(no transformers required), simply Bridging amplifier channels normally
select the appropriate VPL setting. introduces 6 dB of gain, but C Series
Other VPL settings are appropriate amplifiers compensate with an
for different driver combinations in automatic reduction (-6 dB). Gain is
bi- and tri-amplified systems, and for constant on all channels, making it
large subwoofers. VPL is switchable easier to specify and align loudspeakers
for Hard or Soft attack characteristics: connected to a mixture of bridged and
Hard is preferred for low-impedance non-bridged channels.
Listen. It's a Lab.gruppen.
The C Series is designed, first and foremost, to
deliver accurate and musical amplified sound - not
just raw power. Sonic transparency has been the
Comprehensive protection for
hallmark of Lab.gruppen amplifiers for more than
non-stop service
25 years. It continues as a goal that will not be
All Lab.gruppen amplifiers incorporate
compromised at any stage of design, engineering
the industry's most extensive suite
of protection features. Even when
or manufacture.
stressed by extreme conditions
Simply put: it's the sound that matters.
or random mishaps, the C Series
protection circuits make it virtually
impossible to damage the amplifier
circuitry or connected loudspeakers.
Standard protection features include:
C SERIES Benefits
• CPL (Current Peak Limiter)
Keeps output devices operating within
current handling capability.
Tailored to installation applications
• Temperature protection
Keeps amplifier within thermal limits.
Eight unique models
• VHF (Very High Frequency)
Monitoring safeguards drivers from
Wide ranging power outputs from 125 to 1700 W
damage by continuous, non-musical
per channel
VHF signals.
• DC protection
Exclusive VPL (Voltage Peak Limiter) matches
Prevents any direct current at outputs.
channel output to load
• PAL™ (Power Average Limiter)
Monitors current draw to prevent
Bridgeable in channel pairs
power interruption
• Low-impedance warning
Network monitoring and control via NomadLink
Guards against failures from
and DeviceControl software (NLB 60E required)
short-circuits.
• High-impedance warning
Low-Z (2-16 ohms) or High-Z (70 V or 100 V) output
Indicates blown or disconnected drivers.
selectable per channel
• Soft-start (low inrush)
Prevents mains breaker tripping at
Selectable input gain
power-up.
Craftsmen-built in Kungsbacka, Sweden
®
C SERIES Models
C 68:4 4 x 1700 W
C 48:4 4 x 1200 W
C 28:4 4 x 700 W
C 16:4 4 x 400 W
C 20:8X 8 x 250 W
C 10:8X 8 x 125 W
C 10:4X 4 x 250 W
C 5:4X 4 x 125 W