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Do those amps really drive a two or three ohm load? some am ... Nrchy
The problem may not be what you think it is. For example, if your preamp had high output impedance, like 500 ohms, and you were running long interconnect from that to the amp or to the AA's crossover box, that might be the cause. Why?
Because the Rowland and the Halcro both have _low_ input impedance, but the Classe' and the Krell both have input impedance over 47 K ohm.
In other words, the impedence mismatch -- if that were the case -- would be enough to make the difference in apparent (lack of) bass drive in the Rowland and Halcro.
Just a theory ...
Joeabrams (Threads | Answers | This Thread)
Why have such a hard speaker to drive in the first place? Philefreak
Both rowland and halcro was used with rowland synergy pre an ... Ulf
"may 17, 2004 as i'm in europe, i will be pleased if y ... Ulf
Hi ulf,- it remains a fact that not all amps will drive all ... Atmasphere
Ironic but the rowland model 6 is the first amp i have had t ... Snook2
Interesting discussion. ulf, what exactly do you mean when ... Onhwy61
At the 1997 ces audio artistry displayed the beethovens with ... Onhwy61
Ulf : the halcro are a bit thin... never heard the avalon. Ndeslions
An important variable to consider is the frequency response ... Justin_time
With drive i mean the ability to drive my 2 10`in each main ... Ulf
Ulf -- you've got outstanding speakers, you lucky .....:)! a ... Gregm