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GRS 69AS-4 6" x 9" Dual Cone Replacement Car Speaker 4 Ohm
I have a low power (1 to 3 watts at 3.2 ohms) application for this speaker, to use with a vintage vacuum tube communications receiver. How much power is required to produce audio output? Thanks
this has a spl rating of 89 db at one watt so it can be driven with very little power.
Date published: 2014-10-03
I see this one is 4 ohms. The one I need to replace in a vintage portable record player is 8 ohms. Is that going to be an issue?
Unfortunately yes, you will not want to replace an 8 ohm speaker with a 4 ohm speaker unless you replace the amplifier with something that is 4 ohm stable. Unfortunately we do not have any 8 ohm full range 6x9 speakers available.
Date published: 2014-07-10
will this work with a mopar 2427632 radio from a 1966 Plymouth barracuda? I don't know whether to use a 4 ohm or an 8 ohm speaker. thank you for providing the specs on your speaker!
These older stereo systems used 8 ohm speakers originally.
Date published: 2014-06-03
What are the Thiele-Small parameters for this speaker?
Measured with a WT3:Re: 3.646 ohmsFs: 71.33 HzQts: 1.401Qes: 1.851Qms: 5.768Le (1kHz): .506 mHMms: 18.73 gVas: .6044SPL: 87.15 dB
Date published: 2013-11-06