Infinity FIFTEEN service manual Model Fifteen, Line Voltage

Page 4
LINE VOLTAGE

 

Model Fifteen

 

 

 

 

 

 

Cascade

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cascade Model Fifteen Subwoofer 800W Powered Sub/ Plate Amp

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LINE VOLTAGE

Yes/No

Hi/Lo Line

Nom.

Unit

 

Notes

 

 

US 120vac/60Hz

Yes

108-132

120

Vrms

Normal Operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QA Test

 

 

 

 

 

 

Parameter

Specification

Unit

Limits

Conditions

 

Notes

 

 

Amp Section

 

 

 

 

 

 

 

 

 

Type (Class AB, D, other)

D

---

 

 

 

 

 

 

 

Load Impedance (speaker)

4

Ohms

 

Nominal

Z-curve required

 

 

Rated Output Power

800

Watts

 

Regulated 120 V line

5% tolerance applies

 

 

THD@ Rated Power

1

%

 

22k filter, 50Hz

800W +/- 5%

 

 

THD @ 1 Watt

0.5

%

 

22k filter, 50Hz

 

 

 

 

 

DC Offset

 

mV-DC

< 20

@ Speaker Outputs

 

 

 

 

 

Damping factor

20

N/A

> 15

 

measured at 50 Hz

 

 

 

 

 

 

 

 

 

 

 

 

Input Sensitivity

 

 

 

 

 

 

 

 

 

Line Input

370 mV

mVrms

 

900 W @ 50Hz

1 input driven

 

 

 

 

 

 

 

 

 

 

 

 

Signal to Noise

 

 

 

 

 

 

 

 

 

SNR-A-Weighted

100

dBA

 

relative to rated power

A-Weighting filter

 

 

SNR-unweighted

70

dBr

 

relative to rated power

22k filter

 

 

SNR rel. 1W-unweighted

60

dBr

 

relative to 1W Output

22k filter

 

 

 

 

 

 

Volume @max, using RMS reading DMM/VOM

 

 

 

 

 

Residual Noise Floor

3

mVrms

 

(or A/P)

 

 

 

 

 

 

 

 

 

Volume @max, w/ A/P Swept Bandpass

 

 

 

 

 

Residual Noise Floor

3

mVrms(max)

 

Measurement (Line freq.+ harmonics)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Impedance

 

 

 

 

 

 

 

 

 

Line Input

10 k

ohms

 

Nominal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Active Filters

 

 

 

 

 

 

 

 

 

Low Pass (fixed or variable)

Variable

--

 

 

 

 

 

 

 

Frequency

50 - 150 Hz.

Hz

 

 

 

 

 

 

 

Slope

24

dB/Octave

 

 

 

 

 

 

 

Q

Butterworth

--

 

 

 

 

 

 

 

Subsonic filter (HPF)

fixed

--

 

 

 

 

 

 

 

Frequency

33

Hz

 

 

 

 

 

 

 

Slope

12

dB/Octave

 

 

 

 

 

 

 

Q

2.5

--

 

 

 

 

 

 

 

Friend Circuit

FIXED

--

 

 

 

 

 

 

 

Frequency

80 Hz

Hz

 

notch filter

 

 

 

 

 

Dip

-4

dB

 

 

 

 

 

 

 

Q

1

--

 

 

 

 

 

 

 

Special filter

RABOS

--

 

parameteric EQ, variable f, Q and notch depth.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Switches

 

 

 

 

 

 

 

 

 

Main Power ON/OFF

YES

--

 

 

 

 

 

 

 

Type

rocker

--

 

Located on amp plate

TV-5

 

 

Rabos ON/OFF

YES

--

 

 

 

 

 

 

 

Type

mini toggle

--

 

Located on amp plate

 

 

 

 

 

Polarity Switch

YES

--

 

"Off": 0°; "On": 180°

 

 

 

 

 

Type

mini toggle

--

 

Located on amp plate

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Limiter (yes/no)

YES

 

 

 

compressor and limiter

 

 

THD at Max. Output Power

less than 10

%

 

Maximum Output Power

Max THD as a result of limiting.

 

 

 

 

 

 

 

 

 

 

 

 

Output Volume Control

 

 

 

 

 

 

 

 

 

Volume Control Pot

YES

--

 

mounted on amp panel

 

 

 

 

 

Taper (lin/log)

log A taper

--

 

 

 

 

 

 

 

@ minimum setting

no output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input/Output Configuration

 

 

 

 

 

 

 

 

 

Line In (L,C,R,AC3,Mono)

Stereo

--

 

RCA phono jack, gold plated

 

 

 

 

 

LFE In

YES

--

 

Shared with "R" Line In jack

 

 

 

 

 

Line Outputs (L,C,R)

YES

--

 

 

 

 

 

 

 

Hi Level Out

YES

--

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Signal Sensing (ATO)

 

 

 

 

 

 

 

 

 

Auto-Turn-On (yes/no)

YES

--

 

 

 

 

 

 

 

ATO Input Test Frequency

100

Hz

 

 

 

 

 

 

 

ATO Input Threshold

2

mV

typ.

 

LPF "On", BOS "Off"

 

 

ATO Low Pass cutoff

400

Hz

450

ATO-LPF for noise immunity

LPF "On", BOS "Off"

 

 

 

 

 

 

Amp connected and AC on, then input signal

 

 

 

 

 

ATO Turn-on time

1

ms

10

applied ( 1 W output )

 

 

 

 

 

Auto Mute / Turn-OFF Time

10

minutes

5 < t < 15

Time before muting, after signal is removed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents Model Fifteen Subwoofer Cascade SeriesBasic Specifications CONTENTSCascade Model Fifteen Powered Subwoofer MODEL FIFTEEN EXPLODED/PACKING VIEW Model FifteenDescription Part NumberModel Fifteen LINE VOLTAGEPower on Features Model FifteenCONTROLS AND CONNECTIONS Rear Panel¡ £ ¢ ‚ ⁄ BCONNECTIONS CASCADE MODEL FIFTEENModel Fifteen CascadePower On Adjust LevelCrossover Adjustments Phase ControlCascade Model Fifteen TEST PROCEDURE Switch/ControlsModel Fifteen Equipment neededModel Fifteen CascadeCascade Model Fifteen Electrical Parts List Model Fifteen CascadeMAIN BD ResistorsModel Fifteen MAIN BDSemiconductors MiscellaneousModel Fifteen DRIVER BDCapacitors SemiconductorsModel Fifteen LIMIT BDCONTROL BD ResistorsPOWER BD Model Fifteenvibration CONTROL BDPOWER BD Model FifteenSemiconductors MiscellaneousModel Fifteen RABOS BDCapacitors SemiconductorsModel Fifteen CascadeModel Fifteen CascadeBOTH DRAWING AND ACTUAL PCB ON MODEL FIFTEEN CascadeModel Fifteen Model Fifteen Cascade韘旛闤蠖韘 韘旛蠖韘韺旛ゼ蠖韘 顐旛ゼ蠖韘韘旛闤蠖韘 韘旛蠖韘韺旛ゼ蠖韘 顐旛ゼ蠖韘韘旛闤蠖韘 韘旛蠖韘韺旛ゼ蠖韘 顐旛ゼ蠖韘韘旛闤蠖韘 韘旛蠖韘韺旛ゼ蠖韘 顐旛ゼ蠖韘
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