Dbx 120X DS Service Manual

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Dbx 120X DS Service Manual

Extracted text from Dbx 120X DS Service Manual (Ocr-read)


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CONTENTS

SPECIFICATIONS .............................. ...... ......... ..... ............... 2
PERFORMANCE TESTS ............. ........ ....... ........ ........................ 3-8
SCHEMATIC DIAGRAM .............................................................. 9
WIRING BOARD LAYOUT (1) applicable serial No. 60400001 - 60401000 ...... ..... .. 10
WIRING BOARD LAYOUT (2) applicable serial No. 60400001 - 60401000 ............. 11
WIRING BOARD LAYOUT (3) applicable serial No. from 60501001 ................... 12
WIRING BOARD LAYOUT (4) applicable serial No. from 60501001 ................... 13
WIRING LAYOUT ................................................................. 14
BLOCK DIAGRAM ................................................................. 15

SPECIFICATIONS

O ELECTRICAL
Frequency response, 25 Hz to 20 kHz
(no synthesis, full-range mode) ........ $1.0 dB

Dynamic range ... ..... ............ ...... .. 105 dB
Total harmonic distortion
(no synthesis. either output) ..... ..... 0.052

Intermodulation distortion
(no synthesis. either output) .......... 0.051 (IHF)
0.052 (SMPTE)
Output noise

(either output, controls at max.) . ..... -90 dBV
Equivalent input noise ............ ....... -95 dBV
Maximum input ......... ......... .. ..... ... 6 Vrms
Maximum output ................. ....... ... 6 Vrms

Synthesis frequency range
(from 55 Hz to 110 Hz input signal) .... 27.5 Hz to 55 Hz
Cross over .. ............ . .. ........ .... 12 dB/oct high-pass(a3 dB at 120 Hz)
6 dB/oct derived lowpass
phase-coherent(unity-sum);
variable 50 Hz to 210 Hz

OGENERAL

Dimensions(W x H x D) ............ ........ 19'(17-1I8') x 1-31/32' x 8~3I4'
483mm(435mm) x 50mm x 222mm
(without rack mounting bracket)

Weight ................................... 5.95 lbs.
2.7 kg.

Power consumption ............ ........ .... 10 W

Power requirement ........................ 100-120 Vl220-240V. 50/60 Hz

Ncfles : IHF IMD is measured with 19 kHz and 20 kHz mixed 1:1. output 1 V.
SMPTE IMD is measured with 60 Hz and 7 kHz mixed 4:1. output 1 V.

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Component Side View

WIRING BOARD LAYOUT (1) applicable serial No. 60400001 -60401000

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