If you are bi-amping, check the recommended minimum impedance of the preamp.
Assuming both amps have a 30k input impedance, bi-amping will cut that in half.
Assuming both amps have a 30k input impedance, bi-amping will cut that in half.
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lilrock
Eric is right one amp is 15k the other is 46k you have a combined impedance of 11kohm that the preamp will see, forget about tube preamps, unless they are less than 1kohm output or less and very important maintain that <1kohm from 20hz to 20khz. I would play it safe and get a solid state pre they are usually around 100ohm or less, they will have no problem with this 11kohm loading. If your hooked on tube, then get a Schitt Freya, at least with this you'll have the option of tube, solid state or even passive. Cheers George |
One tube pre-amp designer who does so for both the consumer and pro markets is Tim de Paravicini. His EAR-Yoshino pre-amps are designed to drive a 600 ohm load, the standard in recording studios. The EAR 868L has four pair of stereo outputs---2 pair unbalanced on RCA jacks, 2 pair balanced (via transformers) on XLRs. |
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