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02-15-2011, 03:58 PM
| | | CAN 4 OHM AMP RUN 2, 8 OHM SPKRS?
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I have a 1970 Fender Bandmaster Reverb, 45 watts, over-sized cab with 2 12's. Amp says 4 OHMS. I need to replace the 2 12's with 2 8-ohm 12's. Is this ok to do? Will I get more power? | 
02-15-2011, 04:01 PM
|  | Registered User | | Join Date: Feb 2005 Location: Seweracuse, NY | | Quote:
Originally Posted by DJTHEDJ2005 I have a 1970 Fender Bandmaster Reverb, 45 watts, over-sized cab with 2 12's. Amp says 4 OHMS. I need to replace the 2 12's with 2 8-ohm 12's. Is this ok to do? Will I get more power? | Yes, two 8ohm speakers wired in parallel is a 4ohm load. Will you get more power? Probably not. Most tube amps put out the same power whether at a 4 or 8 ohm load. The bandmaster isn't a high wattage amp, but it should still be pretty loud...it's basically a twin reverb in head form.
__________________ fEARful: for those who want something better: http://greenboy.us/fEARful/ For Sale (locally only): Bergantino HT115 with Cover: $500.00. PM me about it. | 
02-15-2011, 04:02 PM
|  | Registered User | | Join Date: Feb 2005 Location: Seweracuse, NY | |
__________________ fEARful: for those who want something better: http://greenboy.us/fEARful/ For Sale (locally only): Bergantino HT115 with Cover: $500.00. PM me about it. | 
02-15-2011, 04:03 PM
| | Registered User Owner, MONOLITH Loudspeakers & Effects | | | | | why are you replacing the speakers that are in there now? are they blown?
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02-15-2011, 04:15 PM
|  | Registered User | | Join Date: Mar 2008 Location: Central Illinois, USA | | Quote: |
Originally Posted by BurningSkies
Yes, two 8ohm speakers wired in parallel is a 4ohm load. Will you get more power? Probably not. Most tube amps put out the same power whether at a 4 or 8 ohm load. The bandmaster isn't a high wattage amp, but it should still be pretty loud...it's basically a twin reverb in head form. | Not a Twin which has four 6L6 power tubes, more like a Super because it's got only two output tubes.
John
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02-15-2011, 04:54 PM
| | Registered User | | Join Date: Nov 2009 Location: South Florida | | | That's a great picture, reminds me of my high school days. | 
02-15-2011, 05:16 PM
| | Registered User Owner, Bill Fitzmaurice Loudspeaker Design | | Join Date: Sep 2004 Location: New Hampshire | | Quote:
Originally Posted by DJTHEDJ2005 I have a 1970 Fender Bandmaster Reverb, 45 watts, over-sized cab with 2 12's. Amp says 4 OHMS. I need to replace the 2 12's with 2 8-ohm 12's. Is this ok to do? Will I get more power? | Ohms FAQ | 
02-15-2011, 05:21 PM
|  | Registered User | | Join Date: Feb 2005 Location: Seweracuse, NY | | Quote:
Originally Posted by billfitzmaurice | An homage to Ohm-age? 
__________________ fEARful: for those who want something better: http://greenboy.us/fEARful/ For Sale (locally only): Bergantino HT115 with Cover: $500.00. PM me about it. | 
02-15-2011, 06:04 PM
| | Registered User | | Join Date: Apr 2006 Location: East Oakland, California | | | yes
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