Ashly DPX-100 Panduan Pengoperasian - Halaman 15
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Halaman CetakOperating Manual - DPX-100 Graphic Equalizer - Compressor/Limiter
When Using Heavy Compression, Background Noise
Is Noticeable During Quiet Sections Of The Program
As defined in the section on compression, quiet
program material is effectively made louder while loud
peaks are made quieter. When the program source is thus
raised in volume, its noise floor is also raised in volume
by a proportionate amount. This is not a defect in the
compressor/limiter, but an unavoidable side effect of the
gain altering process. If the noise becomes a problem,
the solutions are to either decrease noise at the program
source, or use less compression.
Excessive Hum Or Noise
Hum is often caused by a "ground loop" between
components. Try using the suggested balanced input and
output hookups if the other pieces of equipment used in
conjunction with the DPX-100 have balanced inputs and
outputs. Noise can also be caused by insufficient drive
levels. Make sure you are sending a nominal 0 dBV line
level signal to the unit.
12. WARRANTY INFORMATION
Thank you for your expression of confidence in
Ashly products. The unit you have just purchased is pro-
tected by a five-year warranty. To establish the warranty,
be sure to fill out and mail the warranty card attached to
your product. Fill out the information below for your
records.
Model Number ______________________________
Serial Number ______________________________
Dealer _____________________________________
Date of Purchase ____________________________
13. SPECIFICATIONS
EQ:
Input Type . . . . . . . . . . . . . . . . Active Balanced
Impedance . . . . . . . . . . . . . . . . 20K
Max. Level . . . . . . . . . . . . . . . . +23dBu
Input Connectors . . . . . . . . . . 1/4" Phone Jack, XLR
Output Type . . . . . . . . . . . . . . . Pseudo-Balanced
Impedance . . . . . . . . . . . . . . . . 200
Balanced
10K
Unbalanced
Balanced
100
Unbalanced
Max Level . . . . . . . . . . . . . . . . +23dBu
Output Connectors . . . . . . . . . 1/4" Phone Jack, XLR
Frequency Response . . . . . . . . ±.25dB 20Hz-20kHz
THD (20Hz-20KHz) . . . . . . . . <.01%@+20dBu
IM Distortion (SMPTE) . . . . . <.01%@+20dBu
Output Noise (20Hz-20KHz) . <-100dBu
Gain Control . . . . . . . . . . . . . .
(EQ in, all faders flat,
20Hz-20KHz)
Filter Type . . . . . . . . . . . . . . . . Constant Q/Wein Bridge
Bandwidth . . . . . . . . . . . . . . . . 2/3 octave
Tolerance . . . . . . . . . . . . . . . . . ±3%
Range . . . . . . . . . . . . . . . . . . . . ±6 or ±15dB
Subsonic Filter . . . . . . . . . . . . 18dB/octave @20Hz
Compressor/Limiter:
Gain:
. . . . . . . . . . . . . . . . . . ±15dB
Ratio:
. . . . . . . . . . . . . . . . . . 2:1
Attack Time: . . . . . . . . . . . . 200 S-20mS
Release Time: . . . . . . . . . . . 100mS-3Sec
Output: . . . . . . . . . . . . . . . . . . -
Maximum Input Level: . . . . +23dBu
Maximum Output Level: . . +23dBu
Input Impedance: . . . . . . . . 20K
Output Impedance: . . . . . . . 200
Frequency Response: . . . . . ±0.2dB 20Hz-20KHz
Distortion: . . . . . . . . . . . . . . <.01% THD, 0dBu, 1KHz
Output Hum and Noise: . . . <-95dBu
DPX-100 Power Requirements:
93VAC-120VAC, 50-60Hz, 10W
Size and Shipping Weight:
19"L x 1.75"H x 6"D (8 lbs.)
Note: 0dBu = 0.775 Vrms
Pseudo-Balanced Output has balanced output impedance
with single ended signal.
to +6dB
to +18dB
balanced
Pseudo-Balanced
<0.15% THD, +15dBu,
20Hz-20KHz
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