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info    updated 1/8/2008...please email corrections/info

Hagstrom

http://www.hagstrom.org.uk/hagstrom_amps.htm

http://www.haskinshagstroms.com/John/index.php3?web_site=haskinshagstroms&page=gallery&section=28

http://perso.orange.fr/hagstrom/redirect/pageamp.html

effects http://www.haskinshagstroms.com/John/index.php3?web_site=haskinshagstroms&page=gallery&section=29

Hammond

Hammond amp catalog 1983 http://brochures.yokochou.com/index.html

Harmony

http://www.geocities.com/harmonyvintageguitars/amps.html

http://www.broadwaymusicco.com/Harmony8.htm

http://www.myrareguitars.com/robergeamps.html

Reviews http://reviews.harmony-central.com/reviews/Guitar+Amp/brand/Harmony

see Silvertone

Harry Joyce

Reviews http://reviews.harmony-central.com/reviews/Guitar+Amp/brand/Harry+Joyce

Hartke

http://en.wikipedia.org/wiki/Hartke

Hawk

http://tix.gozaru.jp/stompbox.html

Hilgen

http://www.myrareguitars.com/hilgen_amplifier.html

http://en.wikipedia.org/wiki/Hilgen

Reviews http://reviews.harmony-central.com/reviews/Guitar+Amp/brand/Hilgen

Hillwood

http://tix.gozaru.jp/stompbox.html

Hi Watt

Hi Watt dating info http://mhuss.com/Hiwatt/dates.html 

http://members.tripod.com/~dcsbulldog/index-2.html

http://www.geocities.com/plexy2000/page8.html

http://en.wikipedia.org/wiki/Hiwatt

Registry  http://mhuss.com/Hiwatt/registry.html

Reviews http://reviews.harmony-central.com/reviews/Guitar+Amp/brand/Hiwatt

Hofner

http://www.geocities.com/stompbox2001/hofner.htm

Hohner

http://www.el-me-se.de/schaller.html#hohner

Hohner catalog http://www.pmillett.com/vintage_data.htm

Reviews http://reviews.harmony-central.com/reviews/Guitar+Amp/brand/Hohner

Hondo

Reviews http://reviews.harmony-central.com/reviews/Guitar+Amp/brand/Hondo

Honey

http://tix.gozaru.jp/stompbox.html

http://tix.gozaru.jp/amp.html

Honey amps and effects catalog

http://guitar.webinjp.com/70guitar_catalog/hany.htm

Hughes & Kettner

"The first H&K guitar amplifier, the AS 64 was built in 1985 and then officially launched in 1986.
Serial number coding system. Since 2005 the manufacturing date is also written on a sticker on the rear panel.
Since 2002 we run an ACCESS data base which helps us to track every serial number back to the date of manufacture. Everybody in our comapony has access to this data base - easy.
For manufacturing dates before 2002 we need to send the serial number to the head of the electronics shop. He has filed all production runs and can track the serial number by run. So this is a bit more hassle, but works, too." [Source: Martin Reichhart, Hughes & Kettner, email 26/3/2008]

http://en.wikipedia.org/wiki/Hughes_%26_Kettner