What speakers work well for low watt amps?

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FullRangeMan

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Re: What speakers work well for low watt amps?
« Reply #140 on: 10 Mar 2019, 04:13 am »
I met a writer who had a pair of 12'' German vintage field coils that had a speaker that heated the coil a lot, which prevented it from being heard more than 15 minutes.

Joe Frances

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Re: What speakers work well for low watt amps?
« Reply #141 on: 10 Mar 2019, 04:28 pm »
I would love to switch to a low wattage tube amp or a First Watt from Pass, or Sugden Class A, but I am looking to get lighter monitor size speakers, and my impression is that the kind of high sensitivity speakers you need for those types of amps are large and often heavy.  Frankly I am of an age when hiring to burly high school fellows to move speakers around on a dolly is not my idea of a fun afternoon.  Omega makes some relatively small speakers but I am not looking for that "style" of speaker, and the better ones that Louis has weigh over 30lbs and are pretty big. 

Any suggestions?

opnly bafld

Re: What speakers work well for low watt amps?
« Reply #142 on: 10 Mar 2019, 07:44 pm »
How loud (spl) do you listen?

I have found @20 watt amps work for me with just about any speaker.

planet10

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Re: What speakers work well for low watt amps?
« Reply #143 on: 10 Mar 2019, 07:53 pm »
Many of the speakers we play with work well with PASS Class A amps. I have a SIT 3, and my ACA amps (both in stereo and bridged in mono) work well… it is very dependednt o how big your room is and how loud you play.

dave

-Richard-

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Re: What speakers work well for low watt amps?
« Reply #144 on: 11 Mar 2019, 06:12 pm »
Hi Bemopti123 ~

Yes, that was the problem exactly, the musically important high frequencies were missing from the Supravox field coil drivers necessitating a tweeter, another expense and complication.

-Richard-

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Re: What speakers work well for low watt amps?
« Reply #145 on: 11 Mar 2019, 06:43 pm »
Hi Joe ~

You are a good candidate for building simple Open Baffle speakers. It is the need for constructing rigid cabinet-style baffles that makes many speaker cabinets so heavy. A well-designed high sensitivity driver or rather 2 drivers, one 8" wide-range the other a larger 15" driver for bass duties mounted on a simple plywood panel with cut outs for the drivers and you are ready to enjoy the magic that a low watt tube or SS amplifier can deliver in musical bliss. The only other thing you need for the bass driver is a simple passive coiled inductor cross-over that will cut off the frequencies above, say 150 to 300 Hz, depending on how low your wide-range driver naturally goes.

Nelson Pass himself listens to music on this kind of simple construction. The room itself acts as the 'baffle' in Open Baffle speaker designs, saturating the room with rich sonic light. There are many high sensitivity drivers that can fit anyones budget that can serve this kind of simple yet incredibly effective speaker design.

The expense of most cabinet-style speakers is the cabinet itself. The drivers used are usually not the highest quality, and they are also usually not high sensitivity.

It was Nelson Pass who helped music lovers to recognize the potential for magic that low-watt amplifiers can deliver and so to re-think the idea that we need big watt amplifiers.

With Friendship ~ Richard

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Re: What speakers work well for low watt amps?
« Reply #146 on: 11 Mar 2019, 07:14 pm »
Hi FullRangeMan ~

"I never listened the 15'' but I suppose the bass and mid bass is much more rich due the huge cone."

Actually, I did hear the 15" AN Alnico on an Open Baffle speaker design and it sounded good, the bass and lower mid-range sounded rich. If my memory serves me faithfully the upper Frequencies were not necessarily transparent. I think generally speaking smaller wide-range drivers like your 10" AN Alnico have an advantage in reproducing more refined and transparent higher frequencies.

However, there are other ways to augment the bass of your 10" AN to sound a little richer, such as a simple Frequency Equalizer, which can be effective. Apple computers have a simple digital equalizer and some streaming services offer this option as well. Some amplifiers are 'voiced' to perform particularly well with lower frequencies. I had a lovely 7-watt tube amplifier for several years that had effective treble and bass controls. The bass really could be used to bring out a rich bass on any speaker.

Nelson Pass 'bumps' the base on his wide-range Lowthers, and Harbeth speakers are known for 'bumping' the bass as well to get them to sound richer.

Have a Lovely Day ~ Richard

Shogun

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Re: What speakers work well for low watt amps?
« Reply #147 on: 13 Mar 2019, 10:42 pm »
I would love to switch to a low wattage tube amp or a First Watt from Pass, or Sugden Class A, but I am looking to get lighter monitor size speakers, and my impression is that the kind of high sensitivity speakers you need for those types of amps are large and often heavy.  Frankly I am of an age when hiring to burly high school fellows to move speakers around on a dolly is not my idea of a fun afternoon.  Omega makes some relatively small speakers but I am not looking for that "style" of speaker, and the better ones that Louis has weigh over 30lbs and are pretty big. 

Any suggestions?

Depend how low? Any Coherent Audio loudspeaker can be driven by a 3 watt 2A3 SET. With a 8 watt 300B, you got also Audio Note AN-E, but they're expensive.

I would suggest the Coherent Audio GR8 model. Don't confuse with the GR8 Slim model which is longer.

http://www.coherentaudio.ca/wp-content/uploads/2017/05/Model-8GR.pdf

https://coherentguy7.wixsite.com/coherentaudio

FullRangeMan

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Re: What speakers work well for low watt amps?
« Reply #148 on: 13 Mar 2019, 11:07 pm »
Actually, I did hear the 15" AN Alnico on an Open Baffle speaker design and it sounded good, the bass and lower mid-range sounded rich. If my memory serves me faithfully the upper Frequencies were not necessarily transparent. I think generally speaking smaller wide-range drivers like your 10" AN Alnico have an advantage in reproducing more refined and transparent higher frequencies.
Hi Richard,
I have most bass wth my 10Alnico as I do the passive treatment I posted years ago:
https://www.audiocircle.com/index.php?topic=100689.0
I mean say the Super15 could have a even bigger bass under 100Hz in a 13.6 box or even bigger enclosure, but it dont fit my room, in OB the Super15 bass may dont have slam but as you say the bass was good, I imagine how good it could be inside a suited box.

So I must thankyou for the related information on the 10Alnico, I more happy now, I also have to thanks thats car wood blanket, it increased the bass hugely and cost a bargain about $10 per kilo.