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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Infinity FIFTEEN service manual Model Fifteen, Line Voltage