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Can't find what you're looking for?
Please email Carvin Service to request a new FAQ. Your comments and suggestions are welcome too.
Mixers FAQ
1. How do I set up the USB in my computer? C1644U USB feature.2. Which channel is the wireless system assigned to on C1648/C2448/C3248.
3. Why is my S400/S400D not powering on in battery mode. But it does work when I plug in the AC Cord.
4. How to maintain the sliders "clean"?
5. What is "PAN CONTROL"?
6. What USB software can I use with my C844U, C2444U, and C3244U?
7. Can I add the USB feature on my C844, C2444, C3244?
8. What to to if you have a scratchy volume potentiometer or slider?
9. Can I add more than 2 batteries to my S400?
10. What do the Charge indicator lights "LED's" indicate on my S400.
11. What software can I used with my C844U, C1644U, C2444U, C3244U?
12. With all the power amp classifications, there may be terms you are unfamiliar with, so this document contains a brief description of Carvin's professional power amplifier designs and terminology.
13. How should I box my amp to send it in for repair?
14. What is the AC Cord wire gauge I should use with my amp?
15. Does Carvin offer a trade in for the wireless that will not work after June, 2010 because of the frequency used?
16. What is the Thiele?
17. Can a Carvin Tech Modify my amps if I send them in?
18. What is Moisture and Corrosion, and why is that bad?
19. What do I do if I get Dust or Sand inside my gear?
20. What do I do if my amp gets struck by Lightning?
21. When I tap the top of my amp the signal goes in and out, what do I do?
1. How do I set up the USB in my computer? C1644U USB feature.
File includes detailed instructions with pictures. Quick Start USB
USB Setup.PDF
Added: 11-14-2008 Revised: 11-14-2008 back to top
2. Which channel is the wireless system assigned to on C1648/C2448/C3248.
The USM16 wireless units are internally connect to these mic channels :
XP800L : ch 3&4
XP1000L: ch 5&6
RX1200L: ch 7&8
C1648, C1648(P): ch 1&2
C2448: ch 1&2 , ch 9&10
C3248: ch 1&2 , ch 25&26
For instructions on how to install the wireless system USM16-MC/BP click this link: How to install USM16-MC/BP wireless system
Added: 4-28-2010 back to top
3. Why is my S400/S400D not powering on in battery mode. But it does work when I plug in the AC Cord.
If the battery is drained the S400 will not power ON. Plug in the AC Cord and let it charge. If you have an open battery fuse or if the battery is not good the S400 will not power ON even if charged for a few hours. The S400 has 2 fuses, an AC fuse which is above the AC jack, the other a battery fuse, it is inside the amp. Only have a certified technician repair the S400.
Added: 8-29-2008 Revised: 10-24-2008 back to top
4. How to maintain the sliders "clean"?
Use a Q-tip and very gently run it across the inside of the slider. If you are not careful you could damage the surface of the slider, be very careful. Some people use Fader/slider spray to clean them. Make sure it's a fader/slider cleaner not all sprays work on potentiometers. If you are not sure ask a professional tech. WD40 is not a Potentiometer cleaner.
Added: 9-11-2008 Revised: 10-18-2008 back to top
5. What is "PAN CONTROL"?
If you PAN to the left you are sending signal to the left, if you PAN to the right you are sending signal to the right side. Most of our mixers have a PAN control per channel. Check the PAN CONTROL if you are only getting signal on the right or the left channel. If you turned it by accident or if you forgot it's turned you may think that side is bad.
Added: 9-11-2008 back to top
6. What USB software can I use with my C844U, C2444U, and C3244U?
The USB port in the C-mixer was tested in the following: CubaseLE, Traktion, Audacity, MAC OS 10.4.11, Garage band 1.1.0 more software to be added
Added: 9-11-2008 back to top
7. Can I add the USB feature on my C844, C2444, C3244?
No, the USB board needs a separate connector, which the old board won't have.
Added: 9-11-2008 Revised: 10-24-2008 back to top
8. What to to if you have a scratchy volume potentiometer or slider?
The best thing to do is to replace it, but if that is not possible, try a Potentiometer cleaner. Not all Sprays are potentiometer cleaners make sure you pick the correct one. WD40 is NOT a potentiometer cleaner.
Added: 9-11-2008 Revised: 10-27-2008 back to top
9. Can I add more than 2 batteries to my S400?
Carvin doesn't recommend that you add more than the standard 2 batteries.
Added: 9-11-2008 Revised: 10-24-2008 back to top
10. What do the Charge indicator lights "LED's" indicate on my S400.
When the AC cord is plugged into the S400 the LED indicates the voltage going to the battery, not the total charge of the battery. When the AC cord is not plugged in, the LED indicates the battery charge.
Added: 9-11-2008 Revised: 10-10-2008 back to top
11. What software can I used with my C844U, C1644U, C2444U, C3244U?
The following have been tested with Carvin Mixers. Using Windows XP ASIO4ALL DRIVER. CubaseLE, Traktion, Audacity, MAC OS 10.4.11, Garage Band 1.1.0, if you have any questions please email us at CarvinService@carvin.com
Added: 9-11-2008 back to top
12. With all the power amp classifications, there may be terms you are unfamiliar with, so this document contains a brief description of Carvin's professional power amplifier designs and terminology.
Click this link for a Description of the most common terms.
Carvin Professional Power Amp Design.PDF
Added: 1-26-2010 Revised: 1-27-2010 Generic FAQ back to top
13. How should I box my amp to send it in for repair?
The amp should be boxed up in its original packaging. If that is not possible, then box it up as best you can. Make sure to leave a protective cushion between the amp and the box. During shipping the amp will be exposed to rough handling. If improperly boxed, the unit will be damaged. Carvin is not responsible for shipping damage due to improper boxing. Remember to fill out your RMA form.
Added: 10-21-2008 Revised: 11-10-2008 Generic FAQ back to top
14. What is the AC Cord wire gauge I should use with my amp?
Click on link,
AC Cord Wire Gauge.PDF
AC Cord Wire Gauge Rev B.PDF
Added: 10-7-2008 Revised: 3-19-2010 Generic FAQ back to top
15. Does Carvin offer a trade in for the wireless that will not work after June, 2010 because of the frequency used?
Carvin offers a 100 Dollar credit towards a replacement system, which are in the 638-698Mhz range(NEW), older is (700-800Mhz). You don't have to send in your old wireless. The credit applies to any owner not just the original owner. A serial number must be provided. Valid until Jan, 2013. Please call Carvin Sales at 800-854-2235
Added: 2-8-2010 Revised: 2-8-2010 Generic FAQ back to top
16. What is the Thiele?
The Thiele specifications are a set of parameters used to describe the audio characteristics of a speaker driver.
Added: 8-26-2009 Generic FAQ back to top
17. Can a Carvin Tech Modify my amps if I send them in?
No. Carvin Technicians are not permitted to MOD (modify) any amplifier. It is against company policy. Carvin does not repair modified amplifiers. If a modification is found during a repair, then the component values will be returned to factory specs (if it is not rejected).
Added: 9-11-2008 Revised: 11-10-2008 Generic FAQ back to top
18. What is Moisture and Corrosion, and why is that bad?
Moisture is the presence of water in trace amounts. It can cause rot in wood and corrosion in metals, both of which are the main materials in your amplifier and cabinet. When moisture goes inside the amp it can corrode the input and output jacks (causing intermittent crackling, popping, and volume loss), damage the cables inside the amp, and short traces on the circuit boards. If corrosion is present on any of the jacks, the best thing to do is to replace them. For light corrosion, applying contact cleaner to the jacks will help.
Added: 9-11-2008 Revised: 11-10-2008 Generic FAQ back to top
19. What do I do if I get Dust or Sand inside my gear?
Dust and/or sand should never go inside the amp. If any debris goes inside try to clean it out as best you can. Dust and sand can block the fan and vents, causing the amp to overheat, and they can also short components inside. Any debris inside the chassis will also absorb moisture and cause corrosion to form on chassis and circuitry.
Added: 9-11-2008 Revised: 11-10-2008 Generic FAQ back to top
20. What do I do if my amp gets struck by Lightning?
Lightning can cause extreme and intermittent failures to all electrical equipment. Most of these issues are very difficult to repair and usually return after time. In the case of a direct hit, the amp will likely not work well ever again. If there was a black out for a few seconds and the amp does not power back ON, check the fuse. For a replacement fuse click on "Fuse and Bias Values" in the FAQ Categories menu.
Added: 9-11-2008 Revised: 11-10-2008 Generic FAQ back to top
21. When I tap the top of my amp the signal goes in and out, what do I do?
This is a characteristic of something inside the amp being loose. In most cases it is a loose connector, but it can also be dirty or corroded contacts, a bad ribbon cable, or broken solder joints. To check this, take the amp out of the enclosure and verify that all harnesses and connectors are installed correctly. Disconnect and reconnect the ribbon cables. Power on your amp and verify that it is working properly. If the problem persists, you may have to replace a connector and do further troubleshooting. A cable can work its way out from the vibration of a speaker. For a replacement cable click on "Parts".
Added: 9-11-2008 Revised: 11-10-2008 Generic FAQ back to top
