JBL CS6100, Service Manual

CS100SUB

150W Powered Sub/ Plate Amp 

LINE VOLTAGE

Yes/No

Hi/Lo Line

Unit

Notes

US 120vac/60Hz

Yes

108-132

Vrms

Normal Operation

EU 230vac/50-60Hz

Yes

207-264

Vrms

Normal operation, MOMS required

Parameter

Specification

Unit

QA Test Limits

Conditions

Notes

Amp Section

Type (Class AB, D, other)

D

D 

n/a

Load Impedance (speaker)

4

Ohms

n/a

Nominal

Rated Output Power

150

Watts

145

1 input driven

THD@ Rated Power

0.08

%

1

22K filter

THD @ 1 Watt

0.1

%

0.5

22K filter

DC Offset

10

mV-DC

20

@ Amplifier Output

Damping factor

>100

N/A

15

50Hz-4 Ohms load 

Measured at amplifier PCB speaker out 

connector @ 135 Watts into rated 

impedance.

Input Sensitivity

Input Frequency

50

Hz

50

Nominal Freq.

1 input driven

Line Input (L&R)

19.42

mVrms

±2dB

To 1 Watt

1 input driven

LFE Input

10.2

mVrms

±2dB

To 1 Watt

LFE input driven only

Line Input (L & R) Gain

40.25

dB

±1dB

1 input driven

LFE Input Gain

45.84

dB

±1dB

LFE input driven only

Signal to Noise

SNR-A-Weighted

100

dBA

85

rel. to rated power

A-Weighting filter

SNR-Un-weighted

90

dBr

80

rel. to rated power

22K filter

SNR @ 1W-Un-weighted

60

dBr

60

rel. to 1W Output

22K filter

Residual Noise Floor

1

mVrms

2

Volume @max, using RMS reading 

DMM/VOM (or A/P)

Residual Noise Floor

1

mVrms(max)

2

Volume @max, w/ A/P Swept Bandpass 

Measurement (Line freq.+ harmonics)

Input Impedance

Line input L&R , LFE

>10

K ohms

n/a

Nominal

Filters

Left & Right Low Pass fixed

Hz

--

±2dB

Order & Q

4th

dB/Octave

n/a

LFE Low Pass fixed

Hz

--

±2dB

Order & Q

2nd

dB/Octave

n/a

Subsonic filter (HPF)

Hz

--

±2dB

Order & Q

2nd

dB/Octave

n/a

Limiter

 (yes/no)

YES

--

n/a

Features

LFE Input

YES

Functional 

BW limited to 500 Hz, refer to ECR00031

Phase Switch (yes/no)

YES

--

Functional 

Volume pot Taper (linear/log

LOG

--

Functional 

ATO (Auto-ON)

YES

Functional 

Input Configuration

Line In (L,R)

L ,R

--

Functional

RCA inputs: L , R 

Line level in LFE

LFE

Functional

Signal Sensing (ATO)

ATO test Frequency

50

Hz

ATO Line Level

2

mV

Functional

2mV@50Hz into Line Input w/ 1 ch. 

driven

ATO Turn-on time

5

ms

Functional

Amp connected and AC on, then input 

signal applied in excess of 2mV applied

Auto Mute/ Turn-OFF Time

15

minutes

Functional

T before muting, after signal is removed Auto turn off time (T) must be                        

5min > T <15min

Power on Delay time

3

sec.

Functional

AC Power Applied

Transients/Pops

ATO Transient

5

mV-peak

10

@ Speaker Outputs

Turn-on Transient

50

mV-peak

100

@ Speaker Outputs

AC Line cycled from OFF to ON

Turn-off Transient

50

mV-peak

100

@ Speaker Outputs

AC Line cycled from ON to OFF

  CS100 (CS6100 Subwoofer) 

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