Instruction/ maintenance manual of the product DPX-200 Ashly
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DPX-200 Parametric Equalizer Compr essor/Limiter Operating Manual ASHL Y AUDIO INC. 847 Holt Road W ebster , NY 14580-9103 Phone: (585) 872-0010 T oll-Free: (800) 828-6308 Fax: (585) 872-0739 Internet: www .ashly .com dB ∞ +20 +15 +10 +6 +3 0 -3 -6 -10 -20 - .
2 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter T able Of Contents 1 INTR ODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 UNP A CKING . . . . . . . . .
3 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 1. INTRODUCTION The Ashly DPX-200 combines a four band para- metric equalizer and full function peak compressor/lim- iter in a single rack space product.
4 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 5. P ARAMETRIC EQU ALIZER CONTR OLS 5.1 Equalizer Input Select Switch The DPX-200 equalizer input is selectable be- tween line le v el or mic input, each with its own connec- tor .
5 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 5.5 P arametric Filters T wo 20Hz-20KHz parametric f ilters allo w cus- tom tailoring of EQ points, most useful for feedback con- trol, resonance compensation, or other types of frequency specif ic voicing.
6 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter be noted that an inf inite ratio setting is likely to cause noticeable side ef fects in the sound, and ma y not be us- able on programs where subtle control is desired.
7 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter The input meter takes its signal just after the gain con- trol, and will indicate input signal lev el regardless of out- put le vels or limiter settings.
8 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 8. TYPICAL APPLICA TIONS By itself, a parametric equalizer is useful for gen- eral tone control, feedback control, room r esonance cor- rection, indi vidual micr ophone v oicing, and man y other applications.
9 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter a channel that ’ s being used for something important and use it to tailor the sound of this channel e xactly the way you want.
10 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter Broadcasting Compression has long been used as a tool to make an audio signal appear louder . A good example is in broadcasting, where competing stations with identical transmit- ters and po wer attempt to sound louder than each other .
11 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter singers whose own d ynamic control is less than perfect. A little compression helps to keep their quieter lines from becoming b uried in the mix. Exper imentation is highly recommended.
12 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter The quietest portions of the original signal will be effec- tively incr eased in volume while the loudest portions of the original signal will be decreased. In effe ct, both ends of the dynamic spectrum will be pushed toward the “middle”.
13 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter FET will only act as a pure resistor with ve ry small sig- nals applied so it is necessary to attenuate an input signal before the gain control FET and then amplify it ag ain.
14 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 10. BLOCK DIA GRAM 11. Equalizer T roubleshooting T ips No A udio Output Check A C po wer - is the pilot light on? Check in/ou.
15 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter When Using Heavy Compr ession, Background Noise Is Noticeable During Quiet Sections Of The Pr ogram As def ined in the section on compression, quiet program material is effecti v ely made louder while loud peaks are made quieter .
16 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 14. DIMENSIONS 0. 10" 6. 00" 17.00" 1. 25" 1. 75" 1. 25" 18.375" SPECIFICA TIONS (continued): Compressor/Limiter Gain: . . . . . . . . . . . .
17 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 15. SCHEMA TICS 1 2 3 4 5 6 7 8 A B C D E F 8 7 6 5 4 3 2 1 F E D C B A APPR O VED: Dw g # Siz e Draw n By Print Date Re v. C S: Engin e eri ng C LI ENT 985 75 11 0s 57 51 c- 1.
18 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 1 2 3 4 5 6 78 A B C D E 8 7 6 5 4 3 2 1 E D C B A B APPROVED: Dw g # Size Drawn B y Rev.
19 Operating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter 123456 78 A B C D E 8 7 6 5 4 3 2 1 E D C B A B APPROVED: Dw g # Size Drawn B y Rev.
Printed in USA 0902 DPX200 -0 Oper ating Manual - DPX-200 P arametric Equalizer - Compr essor/Limiter ASHL Y AUDIO INC. 847 Holt Road W ebster , NY 14580-9103 Phone: (585) 872-0010 Fax: (585) 872-0739 T oll Free (800) 828-6308 Internet: www .ashly .com 2002 by Ashly Audio Corporation.
An important point after buying a device Ashly DPX-200 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Ashly DPX-200 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Ashly DPX-200 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Ashly DPX-200 you will learn all the available features of the product, as well as information on its operation. The information that you get Ashly DPX-200 will certainly help you make a decision on the purchase.
If you already are a holder of Ashly DPX-200, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Ashly DPX-200.
However, one of the most important roles played by the user manual is to help in solving problems with Ashly DPX-200. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Ashly DPX-200 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
