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speaker impedence
guitar cabinet: why not just use a PA speaker cabinet?150w 8ohm speaker on 300w 4ohm channel - have I done my maths right?Extra speaker for combo amp?Where do I start in choosing a speaker?Guitar amplifier speaker replacement - different connector sizeIs it feasible to modify a combo-amp so the line-out doesn't silence the speaker?substituting combo amp for speakerBlown (?) speaker, or swapped poles?Fender hot rod deluxe connected to speaker simulator diagramUsing smaller more inefficient speaker to dampen volume with tube amps
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OK, so I always experiment in my studio. Six amps, multiple speaker cabs, but I have a new question and need help. Most of my amps are 8 ohm output, but some have ext speaker jack in which they convert to 16 ohm when you plug in the ext.
For example, with my Black Magick, I'll often blend the stock speaker with a 57 (highly inefficient) Jensen 10" 8 ohm. It gives me a blend of the clear "sparkle" of the stock speaker and a very satisfying saturated speaker OD on the 10.
Recently-
I found 4 of these 8 ohm cletron 6X9, 8 ohm speakers wired in parallel in a case from a 67 B-3 type organ in series, so I think that's 32 ohm impedence. I've heard from other guitarists that these speakers are superb for recording to get the early Joe Walsh/James Gang OD. How would I rewire these speakers to experiment w/o hurting any of my 8 ohm amps?
amplifiers
asked 8 hours ago
GatorGator
413 bronze badges
add a comment |
OK, so I always experiment in my studio. Six amps, multiple speaker cabs, but I have a new question and need help. Most of my amps are 8 ohm output, but some have ext speaker jack in which they convert to 16 ohm when you plug in the ext.
For example, with my Black Magick, I'll often blend the stock speaker with a 57 (highly inefficient) Jensen 10" 8 ohm. It gives me a blend of the clear "sparkle" of the stock speaker and a very satisfying saturated speaker OD on the 10.
Recently-
I found 4 of these 8 ohm cletron 6X9, 8 ohm speakers wired in parallel in a case from a 67 B-3 type organ in series, so I think that's 32 ohm impedence. I've heard from other guitarists that these speakers are superb for recording to get the early Joe Walsh/James Gang OD. How would I rewire these speakers to experiment w/o hurting any of my 8 ohm amps?
amplifiers
asked 8 hours ago
GatorGator
413 bronze badges
1
There's only usually a problem when the speaker/s have an impedance lower than the output impedance of an amp. The overall volume may well be sapped, but it won't harm the amp to feed into more Ohms.
– Tim
8 hours ago
Tim, that's what I've read. But I've also read that 8 ohm into 32 is a bit much and can burn up your power tubes quicker. But that may be my only choice.
– Gator
8 hours ago
From memory, pairs in parallel, then series the two pairs, brings it down to 8 Ohms. It's been a long time...
– Tim
8 hours ago
Hey, that's a great idea. I'll do a bit of research. Any other suggestions out there? Gator
– Gator
8 hours ago
add a comment |
OK, so I always experiment in my studio. Six amps, multiple speaker cabs, but I have a new question and need help. Most of my amps are 8 ohm output, but some have ext speaker jack in which they convert to 16 ohm when you plug in the ext.
For example, with my Black Magick, I'll often blend the stock speaker with a 57 (highly inefficient) Jensen 10" 8 ohm. It gives me a blend of the clear "sparkle" of the stock speaker and a very satisfying saturated speaker OD on the 10.
Recently-
I found 4 of these 8 ohm cletron 6X9, 8 ohm speakers wired in parallel in a case from a 67 B-3 type organ in series, so I think that's 32 ohm impedence. I've heard from other guitarists that these speakers are superb for recording to get the early Joe Walsh/James Gang OD. How would I rewire these speakers to experiment w/o hurting any of my 8 ohm amps?
amplifiers
asked 8 hours ago
GatorGator
413 bronze badges
OK, so I always experiment in my studio. Six amps, multiple speaker cabs, but I have a new question and need help. Most of my amps are 8 ohm output, but some have ext speaker jack in which they convert to 16 ohm when you plug in the ext.
For example, with my Black Magick, I'll often blend the stock speaker with a 57 (highly inefficient) Jensen 10" 8 ohm. It gives me a blend of the clear "sparkle" of the stock speaker and a very satisfying saturated speaker OD on the 10.
Recently-
I found 4 of these 8 ohm cletron 6X9, 8 ohm speakers wired in parallel in a case from a 67 B-3 type organ in series, so I think that's 32 ohm impedence. I've heard from other guitarists that these speakers are superb for recording to get the early Joe Walsh/James Gang OD. How would I rewire these speakers to experiment w/o hurting any of my 8 ohm amps?
amplifiers
amplifiers
asked 8 hours ago
GatorGator
413 bronze badges
asked 8 hours ago
GatorGator
413 bronze badges
asked 8 hours ago
GatorGator
413 bronze badges
asked 8 hours ago
GatorGator
413 bronze badges
asked 8 hours ago
GatorGator
413 bronze badges
413 bronze badges
1
There's only usually a problem when the speaker/s have an impedance lower than the output impedance of an amp. The overall volume may well be sapped, but it won't harm the amp to feed into more Ohms.
– Tim
8 hours ago
Tim, that's what I've read. But I've also read that 8 ohm into 32 is a bit much and can burn up your power tubes quicker. But that may be my only choice.
– Gator
8 hours ago
From memory, pairs in parallel, then series the two pairs, brings it down to 8 Ohms. It's been a long time...
– Tim
8 hours ago
Hey, that's a great idea. I'll do a bit of research. Any other suggestions out there? Gator
– Gator
8 hours ago
add a comment |
1
There's only usually a problem when the speaker/s have an impedance lower than the output impedance of an amp. The overall volume may well be sapped, but it won't harm the amp to feed into more Ohms.
– Tim
8 hours ago
Tim, that's what I've read. But I've also read that 8 ohm into 32 is a bit much and can burn up your power tubes quicker. But that may be my only choice.
– Gator
8 hours ago
From memory, pairs in parallel, then series the two pairs, brings it down to 8 Ohms. It's been a long time...
– Tim
8 hours ago
Hey, that's a great idea. I'll do a bit of research. Any other suggestions out there? Gator
– Gator
8 hours ago
1
1
There's only usually a problem when the speaker/s have an impedance lower than the output impedance of an amp. The overall volume may well be sapped, but it won't harm the amp to feed into more Ohms.
– Tim
8 hours ago
There's only usually a problem when the speaker/s have an impedance lower than the output impedance of an amp. The overall volume may well be sapped, but it won't harm the amp to feed into more Ohms.
– Tim
8 hours ago
Tim, that's what I've read. But I've also read that 8 ohm into 32 is a bit much and can burn up your power tubes quicker. But that may be my only choice.
– Gator
8 hours ago
Tim, that's what I've read. But I've also read that 8 ohm into 32 is a bit much and can burn up your power tubes quicker. But that may be my only choice.
– Gator
8 hours ago
From memory, pairs in parallel, then series the two pairs, brings it down to 8 Ohms. It's been a long time...
– Tim
8 hours ago
From memory, pairs in parallel, then series the two pairs, brings it down to 8 Ohms. It's been a long time...
– Tim
8 hours ago
Hey, that's a great idea. I'll do a bit of research. Any other suggestions out there? Gator
– Gator
8 hours ago
Hey, that's a great idea. I'll do a bit of research. Any other suggestions out there? Gator
– Gator
8 hours ago
add a comment |
2 Answers
2
active
oldest
votes
Four speakers are easy to wire in series/parallel - maintaining your 8ohm load.
In effect you double your load to each pair of speakers by wiring in series, then you halve it again by wiring the two pairs in parallel.
End result, total load 8ohms, each speaker takes ¼ of the output wattage, ie 12.5W from a 50W amp; so nothing is struggling at all.
There's a nice article on Amplified Parts - Speaker Impedance, Power Handling and Wiring
answered 8 hours ago
TetsujinTetsujin
9,7742 gold badges21 silver badges41 bronze badges
add a comment |
What you have described is inaccurate. Four 8 ohm speakers wired in parallel would result in a 2 Ohm load not 32 Ohms. To achieve an ideal load for you amp, you'll need to wire 2 of the speakers in series, then wire the other two in series, and then wire the two pairs in parallel to give you a perfect match of 8 Ohms for your amplifier.
answered 8 hours ago
skinny peacockskinny peacock
2,7472 gold badges3 silver badges25 bronze badges
OP probably meant series. Wouldn't have thought mid/late '60s amps went below 4 Ohms output generally.
– Tim
7 hours ago
I mean to say series. But, yes I get your idea which is what Tim suggested. Now, I guess I need to draw up a "routing map" to make sure I do this correctly.
– Gator
7 hours ago
@Tim-As usual, you're probably correct. The only tube amps that I've ever repaired that had a 2 Ohm tap were commercial sound amps for factories and grocery stores. some of them had multiple taps for matching different loads.
– skinny peacock
7 hours ago
@Gator- I refer you to Tetsujins diagram which came through a minute after my reply, It should serve your purpose
– skinny peacock
7 hours ago
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
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votes
active
oldest
votes
Four speakers are easy to wire in series/parallel - maintaining your 8ohm load.
In effect you double your load to each pair of speakers by wiring in series, then you halve it again by wiring the two pairs in parallel.
End result, total load 8ohms, each speaker takes ¼ of the output wattage, ie 12.5W from a 50W amp; so nothing is struggling at all.
There's a nice article on Amplified Parts - Speaker Impedance, Power Handling and Wiring
answered 8 hours ago
TetsujinTetsujin
9,7742 gold badges21 silver badges41 bronze badges
add a comment |
Four speakers are easy to wire in series/parallel - maintaining your 8ohm load.
In effect you double your load to each pair of speakers by wiring in series, then you halve it again by wiring the two pairs in parallel.
End result, total load 8ohms, each speaker takes ¼ of the output wattage, ie 12.5W from a 50W amp; so nothing is struggling at all.
There's a nice article on Amplified Parts - Speaker Impedance, Power Handling and Wiring
answered 8 hours ago
TetsujinTetsujin
9,7742 gold badges21 silver badges41 bronze badges
add a comment |
Four speakers are easy to wire in series/parallel - maintaining your 8ohm load.
In effect you double your load to each pair of speakers by wiring in series, then you halve it again by wiring the two pairs in parallel.
End result, total load 8ohms, each speaker takes ¼ of the output wattage, ie 12.5W from a 50W amp; so nothing is struggling at all.
There's a nice article on Amplified Parts - Speaker Impedance, Power Handling and Wiring
answered 8 hours ago
TetsujinTetsujin
9,7742 gold badges21 silver badges41 bronze badges
Four speakers are easy to wire in series/parallel - maintaining your 8ohm load.
In effect you double your load to each pair of speakers by wiring in series, then you halve it again by wiring the two pairs in parallel.
End result, total load 8ohms, each speaker takes ¼ of the output wattage, ie 12.5W from a 50W amp; so nothing is struggling at all.
There's a nice article on Amplified Parts - Speaker Impedance, Power Handling and Wiring
answered 8 hours ago
TetsujinTetsujin
9,7742 gold badges21 silver badges41 bronze badges
answered 8 hours ago
TetsujinTetsujin
9,7742 gold badges21 silver badges41 bronze badges
answered 8 hours ago
TetsujinTetsujin
9,7742 gold badges21 silver badges41 bronze badges
answered 8 hours ago
TetsujinTetsujin
9,7742 gold badges21 silver badges41 bronze badges
9,7742 gold badges21 silver badges41 bronze badges
add a comment |
add a comment |
What you have described is inaccurate. Four 8 ohm speakers wired in parallel would result in a 2 Ohm load not 32 Ohms. To achieve an ideal load for you amp, you'll need to wire 2 of the speakers in series, then wire the other two in series, and then wire the two pairs in parallel to give you a perfect match of 8 Ohms for your amplifier.
answered 8 hours ago
skinny peacockskinny peacock
2,7472 gold badges3 silver badges25 bronze badges
OP probably meant series. Wouldn't have thought mid/late '60s amps went below 4 Ohms output generally.
– Tim
7 hours ago
I mean to say series. But, yes I get your idea which is what Tim suggested. Now, I guess I need to draw up a "routing map" to make sure I do this correctly.
– Gator
7 hours ago
@Tim-As usual, you're probably correct. The only tube amps that I've ever repaired that had a 2 Ohm tap were commercial sound amps for factories and grocery stores. some of them had multiple taps for matching different loads.
– skinny peacock
7 hours ago
@Gator- I refer you to Tetsujins diagram which came through a minute after my reply, It should serve your purpose
– skinny peacock
7 hours ago
add a comment |
What you have described is inaccurate. Four 8 ohm speakers wired in parallel would result in a 2 Ohm load not 32 Ohms. To achieve an ideal load for you amp, you'll need to wire 2 of the speakers in series, then wire the other two in series, and then wire the two pairs in parallel to give you a perfect match of 8 Ohms for your amplifier.
answered 8 hours ago
skinny peacockskinny peacock
2,7472 gold badges3 silver badges25 bronze badges
OP probably meant series. Wouldn't have thought mid/late '60s amps went below 4 Ohms output generally.
– Tim
7 hours ago
I mean to say series. But, yes I get your idea which is what Tim suggested. Now, I guess I need to draw up a "routing map" to make sure I do this correctly.
– Gator
7 hours ago
@Tim-As usual, you're probably correct. The only tube amps that I've ever repaired that had a 2 Ohm tap were commercial sound amps for factories and grocery stores. some of them had multiple taps for matching different loads.
– skinny peacock
7 hours ago
@Gator- I refer you to Tetsujins diagram which came through a minute after my reply, It should serve your purpose
– skinny peacock
7 hours ago
add a comment |
What you have described is inaccurate. Four 8 ohm speakers wired in parallel would result in a 2 Ohm load not 32 Ohms. To achieve an ideal load for you amp, you'll need to wire 2 of the speakers in series, then wire the other two in series, and then wire the two pairs in parallel to give you a perfect match of 8 Ohms for your amplifier.
answered 8 hours ago
skinny peacockskinny peacock
2,7472 gold badges3 silver badges25 bronze badges
What you have described is inaccurate. Four 8 ohm speakers wired in parallel would result in a 2 Ohm load not 32 Ohms. To achieve an ideal load for you amp, you'll need to wire 2 of the speakers in series, then wire the other two in series, and then wire the two pairs in parallel to give you a perfect match of 8 Ohms for your amplifier.
answered 8 hours ago
skinny peacockskinny peacock
2,7472 gold badges3 silver badges25 bronze badges
answered 8 hours ago
skinny peacockskinny peacock
2,7472 gold badges3 silver badges25 bronze badges
answered 8 hours ago
skinny peacockskinny peacock
2,7472 gold badges3 silver badges25 bronze badges
answered 8 hours ago
skinny peacockskinny peacock
2,7472 gold badges3 silver badges25 bronze badges
2,7472 gold badges3 silver badges25 bronze badges
OP probably meant series. Wouldn't have thought mid/late '60s amps went below 4 Ohms output generally.
– Tim
7 hours ago
I mean to say series. But, yes I get your idea which is what Tim suggested. Now, I guess I need to draw up a "routing map" to make sure I do this correctly.
– Gator
7 hours ago
@Tim-As usual, you're probably correct. The only tube amps that I've ever repaired that had a 2 Ohm tap were commercial sound amps for factories and grocery stores. some of them had multiple taps for matching different loads.
– skinny peacock
7 hours ago
@Gator- I refer you to Tetsujins diagram which came through a minute after my reply, It should serve your purpose
– skinny peacock
7 hours ago
add a comment |
OP probably meant series. Wouldn't have thought mid/late '60s amps went below 4 Ohms output generally.
– Tim
7 hours ago
I mean to say series. But, yes I get your idea which is what Tim suggested. Now, I guess I need to draw up a "routing map" to make sure I do this correctly.
– Gator
7 hours ago
@Tim-As usual, you're probably correct. The only tube amps that I've ever repaired that had a 2 Ohm tap were commercial sound amps for factories and grocery stores. some of them had multiple taps for matching different loads.
– skinny peacock
7 hours ago
@Gator- I refer you to Tetsujins diagram which came through a minute after my reply, It should serve your purpose
– skinny peacock
7 hours ago
OP probably meant series. Wouldn't have thought mid/late '60s amps went below 4 Ohms output generally.
– Tim
7 hours ago
OP probably meant series. Wouldn't have thought mid/late '60s amps went below 4 Ohms output generally.
– Tim
7 hours ago
I mean to say series. But, yes I get your idea which is what Tim suggested. Now, I guess I need to draw up a "routing map" to make sure I do this correctly.
– Gator
7 hours ago
I mean to say series. But, yes I get your idea which is what Tim suggested. Now, I guess I need to draw up a "routing map" to make sure I do this correctly.
– Gator
7 hours ago
@Tim-As usual, you're probably correct. The only tube amps that I've ever repaired that had a 2 Ohm tap were commercial sound amps for factories and grocery stores. some of them had multiple taps for matching different loads.
– skinny peacock
7 hours ago
@Tim-As usual, you're probably correct. The only tube amps that I've ever repaired that had a 2 Ohm tap were commercial sound amps for factories and grocery stores. some of them had multiple taps for matching different loads.
– skinny peacock
7 hours ago
@Gator- I refer you to Tetsujins diagram which came through a minute after my reply, It should serve your purpose
– skinny peacock
7 hours ago
@Gator- I refer you to Tetsujins diagram which came through a minute after my reply, It should serve your purpose
– skinny peacock
7 hours ago
add a comment |
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1
There's only usually a problem when the speaker/s have an impedance lower than the output impedance of an amp. The overall volume may well be sapped, but it won't harm the amp to feed into more Ohms.
– Tim
8 hours ago
Tim, that's what I've read. But I've also read that 8 ohm into 32 is a bit much and can burn up your power tubes quicker. But that may be my only choice.
– Gator
8 hours ago
From memory, pairs in parallel, then series the two pairs, brings it down to 8 Ohms. It's been a long time...
– Tim
8 hours ago
Hey, that's a great idea. I'll do a bit of research. Any other suggestions out there? Gator
– Gator
8 hours ago