Amplifier for FF225K

[inrank]

I have just bought a pair of Jericho Horns with fostex FF225K, what suitable amplifiers would you recommend for them? Its a small room so only really need a few watts, i guess Valves are the way forward?

Any particular type of amps to look out for for under £500?

[IMGDEAD]http://img219.imageshack.us/img219/5490/image0044g.jpg[/IMGDEAD]

[IMGDEAD]http://img219.imageshack.us/img219/730/image0045u.jpg[/IMGDEAD]

 

[planet10]

Got a close-up of the triangular baffle treatment?

An SE valve amp with highish output impedance would likely be ideal.

dave

 

[inrank]

Here -

Was done by the original owner / maker....

[IMGHTTPDEAD]http://img221.imageshack.us/img221/6448/image0046y.jpg[/IMGHTTPDEAD]

 

[planet10]

Looks like a novel, and probably effective, use of circular felt gliders cut in quarters. I've cut those up before to strecth them for under stuff, but this is some good lateral thinking. A couple different sizes and a biy more qork and you could build serpinski triangles. How do you like them?

dave

 

[inrank]

First listen today, can only compare with the little ATC SCM-7's in the pic really. From what i remember of the Veravox 5S drivers i had in BiB's, the 225's have more dynamics and 'neater' treble. I cant get over how smooth the 225's are!
Compared to the ATC's, main difference is dynamics and punch, lots of attack and treble energy with electronic music. They seem a little closed in and not as vocal orientated as the Omnes Audio L8 (but they were in OB).

Bass is ok, a bit hit and miss, the ATC's have a very even bass response, the Jericho's seem to go a little lower, but have better punch.

Its a less than ideal amp (Teac SS made by Thule) but does not sound too bright.

 

[badman]

The 225k is indeed a sweetheart of a driver. I rather liked a fostex FT7RP above it. I had great results with a Fi Super-X 2A3 amp

 

[chrisb]

if you don't mind a DIY/kit amp, the first 2 that come to mind are Bottlehead Stereomour (2A3)

Stereomour Stereo Single Ended 2A3/45 Integrated Amplifier Kit


Tubelab Simple SE

Simple SE

your choice from a wide range of driver / output types, but not as "complete" a kit in terms of parts included, chassis, etc., as the Bottlehead products

 

[Crossblade]

I'd suggest going with 4+W amplifier. 1W is enough for high volume (~90-95dB) if you are at 2meters (6.5feet) but it is always good to have reserve. Still, if you don't listen loud, 1.6-2W will be enough.

Sorry for being offtopic ....

Congrats!

I like the way these (white!) look and the EnABL treatment is nice Maybe you should think about something prettier for the super tweeter .... a box or something?

Would you please give more comments about the Fostex horn vs ATC speakers?

Thank you in advance!

 

[inrank]

I summed up a quick comparison above, not done an A-B test yet. The Jericho's certainly sound a lot better at lower volumes

 

[inrank]

Just out of interest, are there any other decent designs for the FF225K? Can only really find the Jericho, BiB and the recommended fostex one....

 

[Crossblade]

I'm once again rather offtopic .... I cannot recommend any other designs, but as you have this one built already, another one will have to be much better to be worth it making it - and I guess there will be no such one.

 

[inrank]

Well i did not make this one, and not sure if it is optimal for the driver....

 

[inrank]

No-One else used the 225's? OB could be fun.....

 

[Nelson Pass]

I have used the 225's in OB. What's not to like?

 

[inrank]

What kind of setup did you use with the 225's in OB, any pics or impressions? Ta

 

[Nelson Pass]

3' x 5' OB with an Eminence 15 beta woofer and 2 pole
crossovers. LP at about 70 Hz, HP at 150 Hz.