C 10:4X
Technical Data
C Series: Dedicated Installation Amplifiers
▸ Four channels in 2U – High channel density reduces space
requirements and installation time
▸ High continuous output power of 250 W per channel
at 70 V, 4 ohms, 8 ohms, and 16 ohms*
▸ All channels individually selectable for lo-Z or hi-Z
Loudspeakers (2 ohm – 16 ohm) and distributed systems can be
connected to the same unit
▸ Bridged operation – Channel pairs bridgeable for increased
output or for driving 100 V systems
▸ Patented output stage based on Class D topology
▸ High ef ciency for lower thermal stress
An Installation Amplier without Compromise
Lab.gruppen ampliers have earned an enviable worldwide
reputation for sonic excellence and rock-solid durability in touring
sound applications. These same qualities are now available for a
broad range of installed sound applications in the C 10:4X amplier.
By offering an unmatched combination of channel density, operating
efciency and conguration exibility, the C 10:4X presents convin cing performance and cost-saving advantages. Applications include
primary systems for theme parks, shopping malls, airports, hotels and
restaurants as well as auxiliary systems for performance venues,
houses of worship and numerous other installed sound applications.
To achieve higher channel density without compromising performance, Lab.gruppen engineers developed a new output stage
design. Based on a patented Class D circuit topology, these output
stages produce sustained high power levels with very low distortion
while maintaining efciency levels of near 90%. A new universal
switching power supply employs Power Factor Correction (PFC)
to stabilize current draw, and it accepts any mains voltage from
65 – 265 V (+/- 10%) @ 50 Hz or 6 0 Hz through the appropriate
IEC cord.
The C 10:4X includes unique features which enable each unit – or
even each channel – to be congured for a specic application or
load condition. Input gain is selectable in two- channel groups, and
a 35 Hz high pass lter may be inserted. All channels are bridgeable
in pairs, and Lab.gruppen’s exclusive Voltage Peak Limiter (VPL) feature allows each channel to be individually optimized for the reactive
characteristics of the connected load.
▸ General Purpose Input/Output (GPIO) – Compatible with
third-party control systems
▸ NomadLink® network ready
▸ Universal Power Factor Corrected PSU with IEC inlet
▸ Efcient cooling – Dual variable speed fans and parallel airow
over output devices provide uniform cooling
▸ Comprehensive circuit protection and fault indication
▸ Phoenix-style input connectors and barrier strip output
connectors
For comprehensive remote monitoring and control, the C 10:4X
includes NomadLink
NLB 60E NomadLink
linked PC. With NomadLink
via DeviceControl software, and remote control of channel mute
and power on/off is under network control. Alternatively, the GPIO
facilities allow access to key amplier functions via third-party
remote control systems.
To ensure a long and trouble -free service life, the C 10:4X
incorporates extensive features to safeguard internal circuits and
connected loads. Protection and warning circuits prevent damage
or service interruptions due to excessive current, DC at output,
over-temperature, non- musical VHF (very high frequencies), and
open load conditions. In addition, soft-start and PSU current limiting protect the mains supply from interruptions due to tripped circuit
breakers or blown mains fuses.
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network ports for connecting to an optional
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Bridge & Network Controller and an Ethernet-
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, key amplier parameters are displayed
Applications
▸ Auditoriums
▸ Performing Arts Centers
▸ Convention Centers
▸ Stadiums and Arenas
▸ Theme Parks
▸ Hotels
▸ Houses of Worship
▸ Restaurants
▸ Clubs
▸ Educational Establishments
▸ Boardrooms
▸ Museums
▸ O fces
▸ Shopping Malls
▸ Transportation Facilities
* Maximum continuous outpu t power, all cha nnels
driven, V PL set at 10 0 V and Gain s et at 32 dB
Specifications C 10:4X
Gene ral
Number o f channels 4
Peak total output all channels driven 1000 W
Peak output volta ge per cha nnel 100 V / 70 Vrms
Max. ou tput cur rent per cha nnel 8 Arms
Max. O utpu t Power 16 ohms 8 ohms 4 ohms 2 ohms Hi-Z
Per ch. (all ch.’s driven) 250 W 250 W 250 W 125 W 250 W (7 0 Vrms / 100 V p eak)
Bridged per ch. 500 W 500 W 250 W n.r. 500 W (14 0 Vrms / 20 0 V peak)
Perf orman ce with Gain: 32 dB and V PL: 100 V
THD 20 Hz - 20 kHz for 1 W <0.1%
THD at 1 kHz and 1dB below clipping <0.05%
Signal To Noise Ratio >112 dBA
Channel separation (Crosstalk) at 1 kHz >70 dB
Frequency response (1 W into 8 ohms) +0/-3 dB 6.8 Hz - 34 kHz
Input impedance 20 kOhm
Input Common Mode Rejection, CMR 50 dB
Output impedance @ 100 Hz 48 mOhm
Voltag e Peak Li miter (VPL), ma x. pea k outp ut
VPL, selectable per ch.
VPL, selectable when bri dged
Voltage P eak Limite r mode (p er ch.) Hard / Sof t
Gain and Level
Ampli er gain s electa ble (all ch annels)
– rear-panel switches
Default g ain 32 dB
Level adju stment (p er ch.) Front-panel potentiometer, 21 position detented from -inf to 0 dB, hidden behind security panel/dust filter grille
Connecto rs and s witc hes
Input co nnector s (per ch.) 3-pin Phoenix, electronically balanced
Output c onnecto rs (per ch .) Barrier strip 2-pole screw terminals
Output b ridge mo de A+B and/or C+D, inputs A and C are signal source
High pas s lter Fixed at 35 H z, switchable per channel
Nomad Link
Intellig ent fans (on /off) Yes, depending on presence of output signal
Power on/off and Re mote enabl e on/of f Indivi dual switches on front-pan el
Cooling Two fans, front-to-rear airflow, temperature controlled speed
General Purpose Outputs (GPO) Contact Closure types, 2-pole Phoenix
General Purpose Inputs (GPI) Contact Closure types, 2-pole Phoenix
Front- pane l indi cato rs
Common NomadLink
Per chann el
Power
Operat ing volta ge, 230 V / 115 V nominal 65 -265 V
Minimum p ower-up voltage, 230 V / 115 V 80 V
Power Avera ge Limite r (PAL)
Soft st art / Inr ush current d raw Yes / max. 5 A
Mains connector IEC Inlet
Dimension s (W/H/D) W: 483 mm (19”), H: 88 mm (2 U), D: 343 mm (13.5”)
Weigh t 8.5 kg (18.75 lbs.)
Fini sh Black painted steel chassis with gray painted steel front
Appr ovals CE, ANSI/UL 60065 (ETL), CSA C22.2 NO. 60065, FCC
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No te 1): Automatic - 6 dB gain com pensation when bridging chan nels. Ch.’s A+B and /or C+D, can be bridge d indiv idually.
N ote 2): PA L can reduce t he maximum output powe r to keep the power suppl y opera ting safe ly, and/ or to preve nt excessive curre nt draw t rippin g the ma ins breake r.
Refer to O perati on Manu al.
N ote 3): F or sine waves, p eak volt age ou tput val ues translate to Vrms wit h the for mula V/1.41 = Vrms. E.g. 10 0 V peak equals app. 70 Vrms.
Hence, outp uts ca n be set for high -imp edance loads withou t requir ing a transforme r.
A ll sp ecifica tions are s ubje ct to chan ge without noti ce.
3)
3) 1)
1)
networ k On board , 2 x RJ4 5 connec tors, IN and OUT
2)
100, 63, 45, 32 V
200, 126, 90, 64 V
29, 32, 35, 38 dB
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Signal present / High-impedance; Voltage Peak Limiter (VPL); Current Peak Limiter (CPL):
Very High Frequency (VHF); High temperature; Fault; Mute
Yes
Network; Power Average Limiter (PAL) 2); Power on
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Item no. TDS-C104X_V7
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