Instruction/ maintenance manual of the product m103 Grace Design
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info@grac edesign.com / www .gracedesign.c om 2434 30th Street, Boulder , CO 80301 USA tel 303.443.7454 fax 303.444.4634 channel strip owner ’ s manual Rev A all contents © Grace Design/ Luna tec L.
2 W elcome and thanks for pur chasing the Grace Design m103 channel strip . We build all of our products to be completely reliable and easy to use , so you can concentr ate on making great rec ordings, not struggling with complica ted equipment or dicult product manuals.
3 Important Safety Information GENERAL • Indoor use only • Ordinary Protection: This equipment should not be exposed to dripping or splashing.
comp eq comp eq 0 12 12 20 7 50 100 .5k 4k 1. 8k 0 12 15 0 lo gain lo freq hi gain hi freq mid Q mid fre q mid gai n .5 5 2. 5 EQ peak thr esho ld att ack rel ease rat io link in VU COMP GR 1 2 3 4 5 6 7 8 9 10 20 7 3 0 10 5 1 m 103 3k 20k 10.8k 0 12 12 HI-Z 48V ribbon line mic .
5 octave lter employs a tr ansitional Thompson - Butter worth response for the best combination of passband atness and time domain response. LED indica tor illuminates amber when active.
PUSH PUSH 1 3 4 5 6 8 9 10 2 7 6 in a more aggr essive gain reduction while lower r atios will result in more gentle gain r eduction. 24. COMP IN SWIT CH - This switch activates the C OMPRESSOR circuit. The LED above the switch illumina tes when the COMP is active , turns o when deactivated.
7 and COMP sections. The connector is wired TIP positive, SLEEVE ground . 8. STEREO LINK/ SIDECHAIN - T his switch selects the mode of the LINK IN jack between stereo link mode and sidechain.
8 input (select mic on the frontpanel mic/line switch). This circuit is totally transparen t and is per fectly suited to this application. All outputs are active all the time, so y ou have the possibility of up to 5 liv e outputs if your source is MIC IN, or 3 liv e outputs if your sourc e is LINE IN.
9 While there is no wr ong way to set an equalizer , there are some general guidelines that may help y ou get the results you are looking for a little faster . CONTROLLING BASS FREQUENCIES In addition to the low frequency controls of the m103, we ha ve included the 75Hz HPF on the mic preamp section.
10 Begin with the knob fully counterclockwise and the compressor switched ON, then slo wly begin turning clockwise until you begin to c ompress the signal.
11 LINK CONTROL This featur e is used to link two m103 compr essors together for ster eo bus compression. In this application, only the compressors ar e linked and not the eq’ s. T o use this feature , simply run a standard 1/4” TRS cable bet ween two m103s connected to the link/sidechaIn jack.
LINE-M IC S W IT CH LINE IN LI NE AMP LIF IE R MIC I N MI CROHON E AMP LIFIER PH ANTOM POW ER +48 V RI BB ON 75H z HP F MIC P RE OUT BA L ANCED OUTPU T TRIM MAI N OUT BA LA NC E D M AI N OU T BA LANCE.
comp eq comp eq 0 1 2 1 2 20 7 5 0 100 .5 k 4 k 1. 8 k 0 1 2 15 0 lo gai n l o f req hi gai n hi fre q mid Q mid fr eq mid ga in .5 5 2. 5 EQ peak thr esh old att ack rele ase rat io link in VU COMP GR 1 2 3 4 5 6 7 8 9 10 20 7 3 0 10 5 1 m 1 03 3k 20 k 10.
14 Specifications MIC AMP SEC TION MEASURED A T MIC AMP OUTPUT GAIN RANGE (5dB steps) Mic input 10-65dB Hi-Z input -10-45dB THD+N 1kHz, 22Hz-22kH z BW @ 20dB Gain +20dBu out <0.00085% @ 40dB Gain +20dBu out <0.0010% @ 60dB Gain +20dBu out <0.
15 Compressor – Inserts Pre or P ost EQ Threshold Range -15 - +15 dBu Attack Range 3 – 200 ms Release Range 0.03 – 3 s Ratio Range 1:1 – 12:1 Gain Reduction 0 – 20dB THD+N 1kHz, 22Hz-22kH z BW @ 0dB Gain +20dBu out <0.002% INTERMODULA TION DISTORTION @ 0dB Gain +20dBu out SMPTE/DIN 4:1 7kHz/50Hz <0.
16 W arr anty Information 1. Grac e Design warrants all of our products to be free of def ective parts and work manship for a period of ve y ears. 2. This w arranty period begins at the original date of purchase and is tr ansferable to an y person who may subsequently purchase the product during this time.
17 Revision Page Change Date Initials A all 03/01/2010 edg Manual Revisions.
An important point after buying a device Grace Design m103 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Grace Design m103 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 Grace Design m103 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Grace Design m103 you will learn all the available features of the product, as well as information on its operation. The information that you get Grace Design m103 will certainly help you make a decision on the purchase.
If you already are a holder of Grace Design m103, 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 Grace Design m103.
However, one of the most important roles played by the user manual is to help in solving problems with Grace Design m103. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Grace Design m103 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
