Take a look at these AK threads on h/k integrated amplifiers from the 1970s and 1980:
http://www.audiokarma.org/forums/showthread.php?t=80917 and
http://audiokarma.org/forums/showthread.php?t=36110
The hk 990 seems to match up closest to the h/k pm 665vxi from the late 1980s. As you will see in the the AK thread, the MSRP for the h/k PM665vxi was $775 in 1988 dollars. The PM665vxi specifications from the owners manual are attached as a PDF to this posting. Sonic performance and build quality of the PM665vxi was very good. Do a search of AK "Solid State" threads.
The PM665vxi was made for h/k in Japan, probably by the Japanese OEM, Silver (Shin Shirasuna Electric Corporation).
http://www.thevintageknob.org/THEVAULT2/HK700/HK700.html
It appears that most h/k gear is currently made in China.
From my recent and painful experience, h/k gear from the past 15 years does NOT have the same build quality as the h/k Japanese gear from the 1970s and 1980s. :thumbsdn:
If I was looking for a an h/k 2-channel, integrated amplifier, I would choose "vintage" h/k over the current h/k 990. I would also pay an experienced tech to check out the unit and replace any questionable components.
Finally, my primary components for my 2-channel, music system are "vintage" h/k gear: :thmbsp:
[*]Tuner: h/k 915
[*]Preamp: h/k 825
[*]Power Amp: (2) h/k 775 "mono blocks"
There are a couple of exceptions. The Signature amps, I have a 1.5 amp, has the build quality and sound of Harmans best vintage amps (Citation 12, 16 Citation 22,24, etc) made in the USA by same factory that manufactors Mark Levison, built in early 2000's.
I would also ad the PA2400, built in the early '90's. I also recently aquired a PA2000, built somewhere in the early 2000's. Made in Korea, but is a solid great sounding amp, and surprising well built, nicely laid out circuitry. While I plan on using the PA2000 for a second room system, pair of the livingroom system, I tested it bridged (it's 4 channel ) and ran it of my Citation 21 preamp into a pair of ESS AMT 3's.
I have to tell you it held it's own, while only 100wpc in bridged it began running out of steam at higher levels. However, it had no problem playing the AMT 3's to satifying levels without running hot into 4 ohms.
It has a similiar neutral sound like the PA2400, just doesn't have the shear bass punch and a tad less clean sounding, but for $45 it's hard to complain.
While I can't vouch for the early 2000 H/K receivers, sound or build quality, they seem to have a decent following.
Hopefully H/K decides to take the Marantz route, and start again building some nice 2 channel gear along with the 'mass market' H/T stuff, that amp looks like a nice start, however as mentioned getting it to their current retailers, well they wouldn't have the customers for it-perhaps they should try to market the stuff via Internet and go from there.