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Alembic Club » Alembic Basses & Guitars » Archive through March 17, 2005 » F2b vs f1x « Previous Next »

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Username: dumfuxx

Post Number: 9
Registered: 1-2005
Posted on Friday, February 25, 2005 - 8:59 pm:   Edit Post

I bought an f2b off of ebay to start building my rack system. Will it compare tonally with an f1x? should I have bought that instead?

Epic 5
peavy stereo power amp (temporary)
hartke 410xl cab
custom made 4x8 subwoofer cab (JL car audio speakers in custom designed box)

I just discovered that the f2b does not have a crossover and i got worried.
Username: 0vid

Post Number: 13
Registered: 4-2003
Posted on Saturday, February 26, 2005 - 4:04 am:   Edit Post

buy a cheap cross over then....
the FIX crossover is very good and has a wide range. But if you are using rubber surround woofers, you might want to get the cross over as low as the 4X 10 can go, say 75Hz. Too high a crossover point (your car audio subs don't really go abbove 250hz anyway) and the rubber surround speakers have to do more work and may not return as quickly after excursions - this often results in an audible lag. This is particularly crucial if you are looking to play percussive styles, e.g. slap bass, or if you are looking to get a growly sound.
Username: davehouck

Post Number: 1433
Registered: 5-2002
Posted on Saturday, February 26, 2005 - 4:40 am:   Edit Post

I don't have an F-2B, but I think the answer is that the circuitry is the same and that therefore tonally they are the same.
Username: edwin

Post Number: 55
Registered: 5-2002
Posted on Saturday, February 26, 2005 - 11:33 am:   Edit Post

They are actually quite different in that the F2B is an all tube signal path and the F1X uses the tube as a buffer for the input and for the FX loop return. The rest of the gain is all solid state. They have a similar tone control setup. I find that the sounds are different, both really good, but different. As far as which one you want to use, well, I say hold out for both and then use the one that works the best for each situation. There is no better.

Intermediate Member
Username: haddimudd

Post Number: 103
Registered: 6-2002
Posted on Saturday, February 26, 2005 - 1:01 pm:   Edit Post

On a side note I could mention a person who had played tons of different Alembic gear in his life and he once told me (in his opinion) the F-2b sounds much better. Of course this is a very personal view. Personally, I swapped my F-2b for an F1-x recently because I hardly ever used the two channels and I liked the idea about the DI and the crossover.

The F2b is a great amp. Be proud, not worried.
Advanced Member
Username: dnburgess

Post Number: 379
Registered: 1-2003
Posted on Saturday, February 26, 2005 - 1:19 pm:   Edit Post

Edwin, thanks for that - its the clearest statement of the difference in signal paths that I've read - although on rereading the material on the web site it is all there. (And I've been telling customers the signal paths were the same - d'oh.)

david b.
Username: davehouck

Post Number: 1434
Registered: 5-2002
Posted on Sunday, February 27, 2005 - 5:34 am:   Edit Post

Thanks Edwin! Like David, I've been assuming they were the same. And I too went back and reread the web site info. So, I've learned something new today!

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