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Acoustic Performance Partnership

Eastern Acoustic Works

KF852 Page 15

One Main Street, Whitinsville MA, 01524 USA • Phone 508/234-6158 • Toll Free 800/992-5013 • Fax 508/234-8251 • BBS 800/889-2540

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Configuration Data KF852E

Part#: 80852EA     Main System: KF852E with BH852     Notes: CD 5002     Subwoofer: SB850

         Designation

Value

PCB #

Function

Implementation

R1

232k

1 & 2

Off Mode Fixed LF Hi-Pass (with R2)

-3 dB @ 40 Hz

R2

232k

1 & 2

SB Fixed Boost

+6.0 dB @ 35 Hz

R3

3.32k

1 & 2

Parametric EQ

-11 dB @ 3500 Hz, B=.9

R4

825 Ohms

1 & 2

Parametric EQ

-11 dB @ 3500 Hz, B=.9

R5

9.76k

1 & 2

Parametric EQ

-11 dB @ 3500 Hz, B=.9

R6

6.65k

1 & 2

Parametric EQ

-11 dB @ 3500 Hz, B=.9

R7

14.3k

1 & 2

Off Mode LF Dynamic Boost (with R8)

+6.0 dB @ 50 Hz

R8

93.1k

1 & 2

Adj./Dist. Mode Dynamic Hi-Pass

-3 dB @ 13 Hz

R9

93.1k

1 & 2

Adj./Dist. Mode Dynamic Hi-Pass

-3 dB @ 13 Hz

R10

open

1 & 2

Off Mode LF Dynamic Boost (with R9)

+6.0 dB @ 50 Hz

R11

475 Ohms

1 & 2

Parametric EQ

-11 dB @ 3500 Hz, B=.9

R12

2.49k

1 & 2

Off Mode Fixed LF Hi-Pass (with R13)

-3 dB @ 40 Hz

R13

12.7k

1 & 2

SB Fixed Boost

+6.0 dB @ 35 Hz

R1

5.23k

3 & 4

LF Phase

100k/22nF -> 1456 Hz

R2

7.68k

3 & 4

SB Gain

+4.7 dB

R3

2.21k

3 & 4

SB Gain

+4.7 dB

R4

115k

3 & 4

SB Threshold

1.0 V

R5

7.15k

3 & 4

LF Gain

+3.5 dB

R6

2.87k

3 & 4

LF Gain

+3.5 dB

R7

21.0k

3 & 4

SB Phase

40k/100nF -> 116 Hz

R8

36.5k

3 & 4

Off/Dist. Mode Fixed LF Hi-Pass

-3 dB @ 40 Hz

R9

5.9k

3 & 4

MF Gain

-1.5 dB

R10

124k

3 & 4

LF Threshold

1.0V

R11

43.2k

3 & 4

Off/Dist. Mode Fixed LF Hi-Pass

-3 dB @ 40 Hz

R12

3.92k

3 & 4

MF Gain

-1.5 dB

R13

133k

3 & 4

MF Threshold

1.0V

R14

9.31k

3 & 4

HF Gain

+7.9 dB

R15

249k

3 & 4

MF Phase

100k/2.2 nF -> 1.01 kHz

R16

750 Ohms

3 & 4

HF Gain

+7.9 dB

R17

174k

3 & 4

HF Threshold

0.5 V

RN1, RN7

13k

HF Hi-Pass

1225 Hz (10 nF)

RN2, RN8

6.2k

MF Hi-Pass

256 Hz (100 nF)

RN3, RN9

10k

MF Low-Pass

1.6 kHz (10 nF)

RN4, RN10

6.2k

LF Low-Pass

256 Hz (100 nF)

RN5, RN11

20k

LF Hi-Pass

80 Hz (100 nF)

RN6, RN12

20k

SB Low-Pass

80 Hz (100 nF)

High Frequency EQ jumper: Pin 5

Summary of Contents for KF852E

Page 1: ...izontal coverage horn constructed of 3 mm cross grain laminated birch hard wood reinforced with high density polyurethane foam and incorpo rating dual center displacement plugs The high frequency driver shall utilize a titanium diaphragm not less than 75 mm in diameter and in clude ferrofluid in the voicecoil gap to aid in cooling and damping Internal filters shall allow tri amp operation and shal...

Page 2: ... 5 00 2 63 26 38 FRONT TOP 9 5 42 00 MOUNTING POINTS 3 8 16 NUTS WELDED TO A 2 x 2 STEEL PLATE KF852EF 35 50 13 00 3 91 29 91 NOTE MOUNTING POINTS ARE RECESSED MULTI POINT AIR CRAFT SEAT FLY TRACK ATTACHED VERTICALLY AND HORIZONTALLY TO THE CABINET S ALUMINUM INTERNAL STRUCTURAL BRACES 19 00 BOTTOM 7 00 BACK SIDES 2 25 29 50 16 50 29 50 FRONT 26 38 TOP 9 5 42 00 MID 1 MID 2 HIGH KF 852EP NO MADE I...

Page 3: ...ctave KF852E with MX800i 852E Beamwidth vs Frequency K B 0 20 40 60 80 100 120 140 200 1000 10000 dB SPL Frequency Hz Fundamental at 1 Power raised 10 dB 2nd Harmonic at 1 Power raised 10 dB 3rd Harmonic at 1 Power raised 10 dB Fundamental at 10 Power 2nd Harmonic at 10 Power 3rd Harmonic at 10 Power KF852E with MX800i 852E Harmonic Content K B Freq Hor Q Ver Q Tot Q Hor Beamwidth Ver Beamwidth 10...

Page 4: ... 10000 Attenuation in dB Frequency Hz Vertical 10 degrees Vertical 10 degrees KF852E with MX800i 852E Vertical 10 K B 20 10 0 10 200 1000 10000 Attenuation in dB Frequency Hz Horizontal 20 degrees Horizontal 20 degrees KF852E with MX800i 852Ei Horizontal 20 K B 20 10 0 10 200 1000 10000 Attenuation in dB Frequency Hz Vertical 20 degrees Vertical 20 degrees KF852E with MX800i 852E Vertical 20 K B 2...

Page 5: ...P Horizontal 1 3 Octave Polar Data KF852E 0 30 60 90 120 150 180 210 240 270 300 330 100 125 160 200 K B 0 30 60 90 120 150 180 210 240 270 300 330 1600 2000 2500 3150 K B 0 30 60 90 120 150 180 210 240 270 300 330 630 800 1000 1250 K B 0 30 60 90 120 150 180 210 240 270 300 330 10000 12500 16000 20000 K B 0 30 60 90 120 150 180 210 240 270 300 330 4000 5000 6300 8000 K B 0 30 60 90 120 150 180 21...

Page 6: ... P Vertical 1 3 Octave Polar Data KF852E 0 30 60 90 120 150 180 210 240 270 300 330 100 125 160 200 K B 0 30 60 90 120 150 180 210 240 270 300 330 1600 2000 2500 3150 K B 0 30 60 90 120 150 180 210 240 270 300 330 10000 12500 16000 20000 K B 0 30 60 90 120 150 180 210 240 270 300 330 630 800 1000 1250 K B 0 30 60 90 120 150 180 210 240 270 300 330 250 315 400 500 K B 0 30 60 90 120 150 180 210 240...

Page 7: ...6158 Toll Free 800 992 5013 Fax 508 234 8251 BBS 800 889 2540 A C O U S T I C ALPERFORMANCEPA R T N E R S H I P 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 125 Hz Horizontal Octave Polar Data 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 250 Hz Horizontal Octave Polar Data Horizontal Octave Polar Data KF852E ...

Page 8: ...158 Toll Free 800 992 5013 Fax 508 234 8251 BBS 800 889 2540 A C O U S T I C ALPERFORMANCEPA R T N E R S H I P 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 500 Hz Horizontal Octave Polar Data 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 1000 Hz Horizontal Octave Polar Data Horizontal Octave Polar Data KF852E ...

Page 9: ...158 Toll Free 800 992 5013 Fax 508 234 8251 BBS 800 889 2540 A C O U S T I C ALPERFORMANCEPA R T N E R S H I P 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 2000Hz Horizontal Octave Polar Data 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 4000 Hz Horizontal Octave Polar Data Horizontal Octave Polar Data KF852E ...

Page 10: ...158 Toll Free 800 992 5013 Fax 508 234 8251 BBS 800 889 2540 A C O U S T I C ALPERFORMANCEPA R T N E R S H I P 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 8000 Hz Horizontal Octave Polar Data 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 16000 Hz Horizontal Octave Polar Data Horizontal Octave Polar Data KF852E ...

Page 11: ...34 6158 Toll Free 800 992 5013 Fax 508 234 8251 BBS 800 889 2540 A C O U S T I C ALPERFORMANCEPA R T N E R S H I P 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 125 Hz Vertical Octave Polar Data 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 250 Hz Vertical Octave Polar Data Vertical Octave Polar Data KF852E ...

Page 12: ...34 6158 Toll Free 800 992 5013 Fax 508 234 8251 BBS 800 889 2540 A C O U S T I C ALPERFORMANCEPA R T N E R S H I P 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 500 Hz Vertical Octave Polar Data 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 1000 Hz Vertical Octave Polar Data Vertical Octave Polar Data KF852E ...

Page 13: ...4 6158 Toll Free 800 992 5013 Fax 508 234 8251 BBS 800 889 2540 A C O U S T I C ALPERFORMANCEPA R T N E R S H I P 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 2000 Hz Vertical Octave Polar Data 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 4000 Hz Vertical Octave Polar Data Vertical Octave Polar Data KF852E ...

Page 14: ...4 6158 Toll Free 800 992 5013 Fax 508 234 8251 BBS 800 889 2540 A C O U S T I C ALPERFORMANCEPA R T N E R S H I P 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852 8000 Hz Vertical Octave Polar Data 0 30 60 90 120 150 180 210 240 270 300 330 K B KF852E 16000 Hz Vertical Octave Polar Data Vertical Octave Polar Data KF852E ...

Page 15: ... Off Mode LF Dynamic Boost with R9 6 0 dB 50 Hz R11 475 Ohms 1 2 Parametric EQ 11 dB 3500 Hz B 9 R12 2 49k 1 2 Off Mode Fixed LF Hi Pass with R13 3 dB 40 Hz R13 12 7k 1 2 SB Fixed Boost 6 0 dB 35 Hz R1 5 23k 3 4 LF Phase 100k 22nF 1456 Hz R2 7 68k 3 4 SB Gain 4 7 dB R3 2 21k 3 4 SB Gain 4 7 dB R4 115k 3 4 SB Threshold 1 0 V R5 7 15k 3 4 LF Gain 3 5 dB R6 2 87k 3 4 LF Gain 3 5 dB R7 21 0k 3 4 SB Ph...

Page 16: ...524 USA Phone 508 234 6158 Toll Free 800 992 5013 Fax 508 234 8251 BBS 800 889 2540 A C O U S T I C ALPERFORMANCEPA R T N E R S H I P 40 20 0 20 20 100 1000 10000 20000 dB SPL Frequency Hz HF EQ IN HF EQ OUT MF LF SB ADJ LF SB OFF LF SB DIST SB MX800i 852E CCEP Configuration K B Configuration Data KF852E ...

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