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Related Manuals for CARVIN V3M
Summary of Contents for CARVIN V3M
- Page 1 How to bias: V3M, V3MC Rev A 9/23/2011 www.carvinservice.com - 1 -...
- Page 2 4. Banana to clip meter leads. 5. An Amp Stand or several wood blocks. STEP 1 (A) For the V3M, first remove the top grill with the 4 large side screws. -or- (B) For the V3MC, first remove the amp from the speaker cabinet: 1.
- Page 3 STEP 4 Plug in a speaker to output 1 or 2, they are both the same, both jacks are in parallel. IMPORTANT: Do NOT turn on the amplifier without a speaker plugged in! STEP 5 Next to the Speaker Output you will find the OHM setting.
- Page 4 STEP 7 A) Set the Master volume and all channel Volumes to “0”. B) Unplug your guitar cord from the input of the amp. NOTE: If you have signal going through the amp, it will not be the true reading when you set the bias.
- Page 5 STEP 10 A) Connect the leads to the meter. B) Set your meter to the milliamp (mA) position. Make sure the fuse inside is good. Set meter to DC Current, not AC current. On the meter above, the (mA) and (COM) jacks are used, you have the option to use the (A) jack, but because the setting will be set to 80mA it’s best to use (mA).
- Page 6 STEP 12 With the meter connected to the Standby switch, turn the switch to Standby (OFF). The meter should now display a reading near 80mA. If you have new tubes, this reading will likely be higher or lower. NOTE: If your meter reads higher that 150mA or goes into overload “OL” , you should turn off the amp immediately as the amp may have a bad tube.
- Page 7 30 minutes before handling the unit to ensure the amp cooled down. NOTE: This is not the only way to set the bias on this amp, this is the Carvin Approved method which is used on the Production line in the San Diego, California Factory.