2024年8月6日发(作者：茂听安)
C 88:4
▸▸Unprecedented power density –▸Total▸output▸of▸8800▸W▸
(2▸ohms)▸in▸2U▸
▸▸Four channels –▸All▸channels▸bridgeable▸for▸2-▸or▸3-channel▸
configurations
▸▸Lo-Z or Hi-Z (70 V / 100 V) –▸Selectable▸per▸channel,▸normal▸or▸
bridged
▸▸Patented Class TD
amplifier topology
®
▸▸Phoenix-type input connectors
▸▸Screw terminal output connectors
▸▸Comprehensive protection and warning –▸Excessive▸output▸
current,▸DC,▸high▸temperature,▸very▸high▸frequency▸(VHF),▸short▸
circuit,▸open▸load,▸mains▸fuse▸protection,▸and▸soft▸start
▸▸Efficient and uniform Intercooler
®
cooling
▸▸NomadLink
®
network ready
▸▸Voltage Peak Limiter (VPL) –▸Configurable▸per▸channel▸to▸
optimize▸each▸output▸for▸connected▸loads
An Installation Amplifier without Compromise
Installed▸or▸on▸tour,▸uncompromising▸quality▸begins▸with▸supe-
rior▸sound.▸Over▸the▸past▸decade,▸the▸sound▸of▸n▸ampli-▸
fiers▸has▸earned▸praise▸from▸renowned▸FOH▸engineers▸and▸owners▸▸
of▸the▸world’s▸premier▸sound▸rental▸companies.▸At▸the▸core▸of▸▸
the▸C▸Series▸high-power*▸model’s▸tight▸and▸transparent▸sound▸is▸
patented▸Class▸TD▸technology.▸As▸a▸proprietary▸implementation▸of▸
tracking▸Class▸D,▸Class▸TD▸approaches▸the▸exceptional▸efficiency▸of▸
Class▸D▸while▸retaining▸the▸superior▸sonic▸quality▸of▸the▸best▸Class▸B▸
output▸stages.▸
A▸Regulated▸Switch▸Mode▸Power▸Supply
™
▸()▸contributes▸to▸
the▸remarkable▸efficiency▸of▸the▸C▸Series▸high-power▸models,▸while▸at▸
the▸same▸time▸providing▸stable▸operation▸even▸with▸wide▸fluctuations▸
in▸mains▸voltage.▸▸also▸works▸in▸conjunction▸with▸Class▸TD▸to▸
give▸extraordinary▸power▸density.▸More▸channels▸with▸more▸power▸
are▸condensed▸into▸a▸smaller▸package,▸allowing▸C▸Series▸amplifiers▸to▸
minimize▸rack▸space▸requirements▸and▸reduce▸installation▸costs.
Extreme▸power▸density▸demands▸efficient▸cooling,▸and▸here▸▸
n’s▸Intercooler▸proves▸remarkably▸effective.▸Thousands▸of▸
small▸copper▸cooling▸fins▸dissipate▸heat,▸and▸all▸output▸devices▸are▸
mounted▸on▸one▸row▸perpendicular▸to▸airflow▸for▸uniform▸cooling.
C▸Series▸amplifiers▸are▸uniquely▸capable▸of▸adapting▸to▸a▸wide▸
variety▸of▸demanding▸load▸conditions.▸Each▸channel▸has▸an▸▸
individually▸configurable▸Voltage▸Peak▸Limiter▸(VPL),▸which▸allows▸
the▸output▸to▸be▸optimized▸for▸any▸loudspeaker▸load▸–▸whether▸one▸
massive▸subwoofer▸or▸a▸series▸of▸small▸100▸V▸loudspeakers.▸VPL▸
works▸in▸combination▸with▸adjustable▸input▸gain▸to▸achieve▸maximum▸
headroom▸regardless▸of▸input▸levels▸or▸output▸impedances.
To▸assure▸reliability,▸and▸minimize▸service▸interruptions,▸C▸Series▸
amplifiers▸offer▸comprehensive▸warning▸and▸protection▸features.▸
Whenever▸faulty▸wiring,▸improper▸use,▸or▸extreme▸ambient▸tempera-
tures▸threaten▸trouble,▸a▸C▸Series▸amplifier▸gives▸clear▸and▸accurate▸
warning▸indications.▸Protection▸measures▸are▸inserted▸only▸when▸
dangerous▸thresholds▸are▸passed.▸Conditions▸are▸re-checked▸at▸
six-second▸intervals,▸and▸normal▸operation▸resumes▸when▸measure-
ments▸return▸to▸nominal.
Every▸C▸Series▸amplifier▸is▸ready▸for▸the▸NomadLink▸network▸right▸out▸
of▸the▸box.▸With▸NomadLink,▸key▸amplifier▸parameters▸are▸displayed▸
via▸DeviceControl▸software,▸and▸remote▸control▸of▸channel▸mutes▸
and▸power▸on/off▸is▸under▸network▸control.▸(NomadLink▸requires▸the▸
separate▸NLB▸60E▸NomadLink▸Bridge▸&▸Network▸Controller.)
Applications
• Auditoriums
• Performing Arts Centers
• Convention Centers
• Stadiums and Arenas
• Theme Parks
• Hotels
• Houses of Worship
• Restaurants
• Clubs
• Educational Establishments
• Boardrooms
• Museums
• Offices
• Shopping Malls
• Transportation Facilities
*▸C▸Series▸high-power▸models▸are:
▸▸▸C▸88:4,▸C▸68:4,▸C▸48:4,▸C▸24:4▸and▸C▸16:4
Specifications C 88:4
General
Number▸of▸channels
Peak▸total▸output▸all▸channels▸driven
Peak▸output▸voltage▸per▸channel
Max.▸output▸current▸per▸channel
Max. Output Power
Per▸ch.▸(all▸ch.’s▸driven)
Bridged▸per▸ch.
Performance with Gain: 35 dB and VPL: 141 V
THD▸20▸Hz▸-▸20▸kHz▸for▸1▸W
THD▸at▸1▸kHz▸and▸1▸dB▸below▸clipping
Signal▸To▸Noise▸Ratio
Channel▸separation▸(Crosstalk)▸at▸1▸kHz
Frequency▸response▸(1▸W▸into▸8▸ohms)▸+0/-3▸dB
Input▸impedance
Input▸Common▸Mode▸Rejection,▸CMR
Output▸impedance▸@▸100▸Hz
Voltage Peak Limiter (VPL), max. peak output
VPL,▸selectable▸per▸ch.▸
3)
VPL,▸when▸bridged▸
3)
▸
1)
Voltage▸Peak▸Limiter▸mode▸(per▸ch.)
Gain and Level
Amplifier▸gain▸selectable▸(all▸channels)▸
1)
▸
–▸rear-panel▸switches
Default▸gain
Level▸adjustment▸(per▸ch.)
Connectors and switches
Input▸connectors▸(per▸ch.)
Output▸connectors▸(per▸ch.)
Output▸bridge▸mode
NomadLink▸network
Intelligent▸fans▸(on/off)
Power▸on/off▸and▸Remote▸enable▸on/off
Cooling
Front-panel indicators
Common
Per▸channel
Power
Operating▸voltage,▸230▸V▸/▸115▸V▸nominal
Minimum▸power-up▸voltage,▸230▸V▸/▸115▸V
Power▸Average▸Limiter▸(PAL)▸
2)
Soft▸start▸/▸Inrush▸Current▸Draw
Mains▸connector
Dimensions (W/H/D)
Weight
Finish
4
8800▸W
141▸V
35.5▸Arms
16 ohms
625▸W
2500▸W
8 ohms
1250▸W
4200▸W
4 ohms
2100▸W
4600▸W
2 ohms
2200▸W
n.r▸
4)
70 Vrms/100 Vrms peak
2200▸W
n.r▸
4)
<0.1%
<0.05%
>112▸dBA
>70▸dB
6.8▸Hz▸-▸34▸kHz
20▸kOhm
50▸dB
30▸mOhm
141,▸118,▸100,▸85,▸71,▸59,▸50,▸42▸V
282,▸236,▸200,▸170,▸142,▸118,▸100,▸84▸V
Hard▸/▸Soft
23,▸26,▸29,▸32,▸35,▸38,▸41,▸44▸dB
35▸dB
Front-panel▸potentiometer,▸21▸position▸detented▸from▸-inf▸to▸0▸dB,▸hidden▸behind▸security▸panel/dust▸filter▸grille
3-pin▸Phoenix,▸electronically▸balanced
Barrier▸strip▸2-pole▸screw▸terminals
A+B▸and/or▸C+D,▸inputs▸A▸and▸C▸are▸input▸source
On▸board,▸2▸x▸RJ45▸connectors
Yes,▸depending▸on▸presence▸of▸output▸signal
Individual▸switches▸on▸front-panel
Two▸fans,▸front-to-rear▸airflow,▸temperature▸controlled▸speed
NomadLink
▸
▸Network;▸Power▸Average▸Limiter▸(PAL)▸
2)
;▸Power▸on▸
Signal▸present▸/▸High-impedance;▸-10▸dB▸and▸-4▸dB▸output▸signal;▸Voltage▸Peak▸Limiter▸(VPL);▸Current▸Peak▸Limiter▸(CPL);▸
Very▸High▸Frequency▸(VHF);▸High▸Temperature;▸Fault;▸Mute
130▸-265▸/▸65-135▸V▸
5)
171▸V▸/▸85▸V
Yes
Yes▸/▸max.▸5▸A
230▸V▸CE:▸16▸A,▸CEE7;▸115▸V▸ETL:▸30▸A▸Twist▸Lock
W:▸483▸mm▸(19”),▸H:▸88▸mm▸(2▸U),▸D:▸343▸mm▸(13.5”)
12▸kg▸(26.4▸lbs.)
Black▸painted▸steel▸chassis▸with▸gray▸painted▸steel▸front
CE,▸ANSI/UL▸60065▸(ETL),▸CSA▸C22.2▸NO.▸60065,▸FCC
▸
▸
▸
▸
▸
Approvals
Note 1):▸Automatic▸-6▸dB▸gain▸compensation▸when▸bridging▸channels.▸Ch.’s▸A+B▸and/or▸C+D,▸can▸be▸bridged▸individually.▸
Note 2):▸PAL▸can▸reduce▸the▸maximum▸output▸power▸to▸keep▸the▸power▸supply▸operating▸safely,▸and/or▸to▸prevent▸excessive▸current▸draw▸tripping▸the▸mains▸breaker.▸▸▸▸
▸▸Refer▸to▸Operation▸Manual.▸
Note 3):▸For▸sine▸waves,▸peak▸voltage▸output▸values▸translate▸to▸Vrms▸with▸the▸formula▸V/1.41▸=▸Vrms.▸E.g.▸100▸V▸peak▸equals▸app.▸70▸Vrms.▸
▸▸Hence,▸outputs▸can▸be▸set▸for▸high-impedance▸loads▸without▸requiring▸a▸transformer.
Note 4):▸Regarding▸n.r.▸(not▸recommended)▸notes:▸The▸amplifier▸will▸be▸fully▸operational▸in▸bridge-mode▸into▸2▸ohm▸and▸high▸impedance▸(Hi-Z)▸loads,▸but▸due▸to▸physical▸constraints▸▸▸
▸▸in▸the▸construction,▸the▸max.▸output▸power▸will▸not▸be▸significanty▸higher▸than▸running▸individual▸channels▸and▸therefore▸this▸mode▸of▸operation▸is▸not▸recommended.
Note 5):▸Separate▸230▸V▸or▸115▸V▸versions▸available.▸Not▸selectable▸on▸the▸amplifier.
All specifications are subject to change without notice.
n ab ▸ Sweden
internationaL contact ▸ info@ | uS & canada contact ▸ info@
Item no. TDS-C884_V3
2024年8月6日发(作者：茂听安)
C 88:4
▸▸Unprecedented power density –▸Total▸output▸of▸8800▸W▸
(2▸ohms)▸in▸2U▸
▸▸Four channels –▸All▸channels▸bridgeable▸for▸2-▸or▸3-channel▸
configurations
▸▸Lo-Z or Hi-Z (70 V / 100 V) –▸Selectable▸per▸channel,▸normal▸or▸
bridged
▸▸Patented Class TD
amplifier topology
®
▸▸Phoenix-type input connectors
▸▸Screw terminal output connectors
▸▸Comprehensive protection and warning –▸Excessive▸output▸
current,▸DC,▸high▸temperature,▸very▸high▸frequency▸(VHF),▸short▸
circuit,▸open▸load,▸mains▸fuse▸protection,▸and▸soft▸start
▸▸Efficient and uniform Intercooler
®
cooling
▸▸NomadLink
®
network ready
▸▸Voltage Peak Limiter (VPL) –▸Configurable▸per▸channel▸to▸
optimize▸each▸output▸for▸connected▸loads
An Installation Amplifier without Compromise
Installed▸or▸on▸tour,▸uncompromising▸quality▸begins▸with▸supe-
rior▸sound.▸Over▸the▸past▸decade,▸the▸sound▸of▸n▸ampli-▸
fiers▸has▸earned▸praise▸from▸renowned▸FOH▸engineers▸and▸owners▸▸
of▸the▸world’s▸premier▸sound▸rental▸companies.▸At▸the▸core▸of▸▸
the▸C▸Series▸high-power*▸model’s▸tight▸and▸transparent▸sound▸is▸
patented▸Class▸TD▸technology.▸As▸a▸proprietary▸implementation▸of▸
tracking▸Class▸D,▸Class▸TD▸approaches▸the▸exceptional▸efficiency▸of▸
Class▸D▸while▸retaining▸the▸superior▸sonic▸quality▸of▸the▸best▸Class▸B▸
output▸stages.▸
A▸Regulated▸Switch▸Mode▸Power▸Supply
™
▸()▸contributes▸to▸
the▸remarkable▸efficiency▸of▸the▸C▸Series▸high-power▸models,▸while▸at▸
the▸same▸time▸providing▸stable▸operation▸even▸with▸wide▸fluctuations▸
in▸mains▸voltage.▸▸also▸works▸in▸conjunction▸with▸Class▸TD▸to▸
give▸extraordinary▸power▸density.▸More▸channels▸with▸more▸power▸
are▸condensed▸into▸a▸smaller▸package,▸allowing▸C▸Series▸amplifiers▸to▸
minimize▸rack▸space▸requirements▸and▸reduce▸installation▸costs.
Extreme▸power▸density▸demands▸efficient▸cooling,▸and▸here▸▸
n’s▸Intercooler▸proves▸remarkably▸effective.▸Thousands▸of▸
small▸copper▸cooling▸fins▸dissipate▸heat,▸and▸all▸output▸devices▸are▸
mounted▸on▸one▸row▸perpendicular▸to▸airflow▸for▸uniform▸cooling.
C▸Series▸amplifiers▸are▸uniquely▸capable▸of▸adapting▸to▸a▸wide▸
variety▸of▸demanding▸load▸conditions.▸Each▸channel▸has▸an▸▸
individually▸configurable▸Voltage▸Peak▸Limiter▸(VPL),▸which▸allows▸
the▸output▸to▸be▸optimized▸for▸any▸loudspeaker▸load▸–▸whether▸one▸
massive▸subwoofer▸or▸a▸series▸of▸small▸100▸V▸loudspeakers.▸VPL▸
works▸in▸combination▸with▸adjustable▸input▸gain▸to▸achieve▸maximum▸
headroom▸regardless▸of▸input▸levels▸or▸output▸impedances.
To▸assure▸reliability,▸and▸minimize▸service▸interruptions,▸C▸Series▸
amplifiers▸offer▸comprehensive▸warning▸and▸protection▸features.▸
Whenever▸faulty▸wiring,▸improper▸use,▸or▸extreme▸ambient▸tempera-
tures▸threaten▸trouble,▸a▸C▸Series▸amplifier▸gives▸clear▸and▸accurate▸
warning▸indications.▸Protection▸measures▸are▸inserted▸only▸when▸
dangerous▸thresholds▸are▸passed.▸Conditions▸are▸re-checked▸at▸
six-second▸intervals,▸and▸normal▸operation▸resumes▸when▸measure-
ments▸return▸to▸nominal.
Every▸C▸Series▸amplifier▸is▸ready▸for▸the▸NomadLink▸network▸right▸out▸
of▸the▸box.▸With▸NomadLink,▸key▸amplifier▸parameters▸are▸displayed▸
via▸DeviceControl▸software,▸and▸remote▸control▸of▸channel▸mutes▸
and▸power▸on/off▸is▸under▸network▸control.▸(NomadLink▸requires▸the▸
separate▸NLB▸60E▸NomadLink▸Bridge▸&▸Network▸Controller.)
Applications
• Auditoriums
• Performing Arts Centers
• Convention Centers
• Stadiums and Arenas
• Theme Parks
• Hotels
• Houses of Worship
• Restaurants
• Clubs
• Educational Establishments
• Boardrooms
• Museums
• Offices
• Shopping Malls
• Transportation Facilities
*▸C▸Series▸high-power▸models▸are:
▸▸▸C▸88:4,▸C▸68:4,▸C▸48:4,▸C▸24:4▸and▸C▸16:4
Specifications C 88:4
General
Number▸of▸channels
Peak▸total▸output▸all▸channels▸driven
Peak▸output▸voltage▸per▸channel
Max.▸output▸current▸per▸channel
Max. Output Power
Per▸ch.▸(all▸ch.’s▸driven)
Bridged▸per▸ch.
Performance with Gain: 35 dB and VPL: 141 V
THD▸20▸Hz▸-▸20▸kHz▸for▸1▸W
THD▸at▸1▸kHz▸and▸1▸dB▸below▸clipping
Signal▸To▸Noise▸Ratio
Channel▸separation▸(Crosstalk)▸at▸1▸kHz
Frequency▸response▸(1▸W▸into▸8▸ohms)▸+0/-3▸dB
Input▸impedance
Input▸Common▸Mode▸Rejection,▸CMR
Output▸impedance▸@▸100▸Hz
Voltage Peak Limiter (VPL), max. peak output
VPL,▸selectable▸per▸ch.▸
3)
VPL,▸when▸bridged▸
3)
▸
1)
Voltage▸Peak▸Limiter▸mode▸(per▸ch.)
Gain and Level
Amplifier▸gain▸selectable▸(all▸channels)▸
1)
▸
–▸rear-panel▸switches
Default▸gain
Level▸adjustment▸(per▸ch.)
Connectors and switches
Input▸connectors▸(per▸ch.)
Output▸connectors▸(per▸ch.)
Output▸bridge▸mode
NomadLink▸network
Intelligent▸fans▸(on/off)
Power▸on/off▸and▸Remote▸enable▸on/off
Cooling
Front-panel indicators
Common
Per▸channel
Power
Operating▸voltage,▸230▸V▸/▸115▸V▸nominal
Minimum▸power-up▸voltage,▸230▸V▸/▸115▸V
Power▸Average▸Limiter▸(PAL)▸
2)
Soft▸start▸/▸Inrush▸Current▸Draw
Mains▸connector
Dimensions (W/H/D)
Weight
Finish
4
8800▸W
141▸V
35.5▸Arms
16 ohms
625▸W
2500▸W
8 ohms
1250▸W
4200▸W
4 ohms
2100▸W
4600▸W
2 ohms
2200▸W
n.r▸
4)
70 Vrms/100 Vrms peak
2200▸W
n.r▸
4)
<0.1%
<0.05%
>112▸dBA
>70▸dB
6.8▸Hz▸-▸34▸kHz
20▸kOhm
50▸dB
30▸mOhm
141,▸118,▸100,▸85,▸71,▸59,▸50,▸42▸V
282,▸236,▸200,▸170,▸142,▸118,▸100,▸84▸V
Hard▸/▸Soft
23,▸26,▸29,▸32,▸35,▸38,▸41,▸44▸dB
35▸dB
Front-panel▸potentiometer,▸21▸position▸detented▸from▸-inf▸to▸0▸dB,▸hidden▸behind▸security▸panel/dust▸filter▸grille
3-pin▸Phoenix,▸electronically▸balanced
Barrier▸strip▸2-pole▸screw▸terminals
A+B▸and/or▸C+D,▸inputs▸A▸and▸C▸are▸input▸source
On▸board,▸2▸x▸RJ45▸connectors
Yes,▸depending▸on▸presence▸of▸output▸signal
Individual▸switches▸on▸front-panel
Two▸fans,▸front-to-rear▸airflow,▸temperature▸controlled▸speed
NomadLink
▸
▸Network;▸Power▸Average▸Limiter▸(PAL)▸
2)
;▸Power▸on▸
Signal▸present▸/▸High-impedance;▸-10▸dB▸and▸-4▸dB▸output▸signal;▸Voltage▸Peak▸Limiter▸(VPL);▸Current▸Peak▸Limiter▸(CPL);▸
Very▸High▸Frequency▸(VHF);▸High▸Temperature;▸Fault;▸Mute
130▸-265▸/▸65-135▸V▸
5)
171▸V▸/▸85▸V
Yes
Yes▸/▸max.▸5▸A
230▸V▸CE:▸16▸A,▸CEE7;▸115▸V▸ETL:▸30▸A▸Twist▸Lock
W:▸483▸mm▸(19”),▸H:▸88▸mm▸(2▸U),▸D:▸343▸mm▸(13.5”)
12▸kg▸(26.4▸lbs.)
Black▸painted▸steel▸chassis▸with▸gray▸painted▸steel▸front
CE,▸ANSI/UL▸60065▸(ETL),▸CSA▸C22.2▸NO.▸60065,▸FCC
▸
▸
▸
▸
▸
Approvals
Note 1):▸Automatic▸-6▸dB▸gain▸compensation▸when▸bridging▸channels.▸Ch.’s▸A+B▸and/or▸C+D,▸can▸be▸bridged▸individually.▸
Note 2):▸PAL▸can▸reduce▸the▸maximum▸output▸power▸to▸keep▸the▸power▸supply▸operating▸safely,▸and/or▸to▸prevent▸excessive▸current▸draw▸tripping▸the▸mains▸breaker.▸▸▸▸
▸▸Refer▸to▸Operation▸Manual.▸
Note 3):▸For▸sine▸waves,▸peak▸voltage▸output▸values▸translate▸to▸Vrms▸with▸the▸formula▸V/1.41▸=▸Vrms.▸E.g.▸100▸V▸peak▸equals▸app.▸70▸Vrms.▸
▸▸Hence,▸outputs▸can▸be▸set▸for▸high-impedance▸loads▸without▸requiring▸a▸transformer.
Note 4):▸Regarding▸n.r.▸(not▸recommended)▸notes:▸The▸amplifier▸will▸be▸fully▸operational▸in▸bridge-mode▸into▸2▸ohm▸and▸high▸impedance▸(Hi-Z)▸loads,▸but▸due▸to▸physical▸constraints▸▸▸
▸▸in▸the▸construction,▸the▸max.▸output▸power▸will▸not▸be▸significanty▸higher▸than▸running▸individual▸channels▸and▸therefore▸this▸mode▸of▸operation▸is▸not▸recommended.
Note 5):▸Separate▸230▸V▸or▸115▸V▸versions▸available.▸Not▸selectable▸on▸the▸amplifier.
All specifications are subject to change without notice.
n ab ▸ Sweden
internationaL contact ▸ info@ | uS & canada contact ▸ info@
Item no. TDS-C884_V3