Extended range guitar
An extended range guitar is a guitar with more than 6 strings. For microtonal instruments, e.g. the Kite guitar, this may not actually increase the range.
General resources
Forums
Models
Sources for 7- and 8-string guitars, both acoustic and electric:
Low-end (US$200-400)
Grote (China)
7-string archtop semi-acoustic
Very favorable review that claims it's a great value for the price:
https://riverheightsmusic.com/grote-guitars-review-7-string-arch-top/
Trembita (Ukraine)
7-string steel string
https://trembita-guitars.com/index
Leo Tone (Ukraine)
7-string steel string
https://www.amazon.com/Russian-Guitar-Acoustic-Classical-Cutaway/dp/B00L2K6DJY
Somewhat unfavorable review:
https://www.youtube.com/watch?v=NZd1b-yJqrs
Jackson Dinky
7-string electric
Mid-range (US$500-1200)
Rozini and Ibanez tend to have wider fingerboards than the Russian/Ukranian style.
Ovation
Custom Elite 8-string steel string w pickup
Discontinued, sometimes available used. Retail price was $1200-1600 new. Won't fit in most cases.
Agile
various 7 and 8 strings, sold in the US by Rondo
https://reverb.com/shop/rondo-music
Rozini (Brazil)
7 and 8 strings
https://rozinibrazil.com/en/categoria_de_produtos/guitars/
Ibanez
various models
High-end (US$1500 and up)
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