Here is the webpage:
http://www.dalyantubas.com/html/dalyan_low_brass.html
At least form the images, these horns look much more competitively built than many of the other Chinese products. Orpheus music is the proprietor behind the webpage. Images are available on all of the tubas.
The BBb's look to be:
Bavarian = Mirafone 186
Mainz = Alex 4/4 (or Cerveny 4/4 to a degree)
Perinet = DePrins looks to be the best match. Maybe Mahillon?
Swiss = Mirafone 191
Orff = Mirafone 184 or 185
Berlin = Meinl-Weston 25
Prague = Cerveny Piggy
The CC tuba looks to be unique, the closest horn I remember to those dimensions was the Yamaha YCB-661, but has the wrap of a Mirafone 186. The F and Eb look to be copies of older Mirafone models.
The Kaiser Euphonium looks to be a copy of the YEP-321.
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Prices:
BBb Tubas
Bavarian
4 Rotary Valve Tuba, with High Grade Case
$6,200
Maintz
4 Rotary Valve Tuba, with High Grade Case
$4,600
Perinet
4 Piston Valve Tuba, with High Grade Case
$5,900
Swiss
4 Rotary Valve Tuba, with High Grade Case
$7,900
Orff
4 Rotary Valve Tuba, with High Grade Case
$3,500
3 Valve Model, with High Grade Case
$3,400
Berlin
4 Rotary Valve Tuba, with High Grade Case
$5,600
Prague
4 Rotary Valve Tuba, with High Grade Case
$5,700
CC Tubas
Apollo
4 Rotary Valve Tuba, with High Grade Case
$3,900
F Tubas
Neptune
5 Rotary Valve Tuba, with High Grade Case
$8,500
Eb Tubas
Zeus
4 Rotary Valve Tuba, with High Grade Case
$5,600
Euphoniums
Kaiser
4 Piston Valve Euphonium, with High Grade Case
$ 950
I have no idea why the Eb and F are nearly double the CC. Quite the pricing sceme.
Be interesting to hear a report on the entire line. They are after all "handcrafted" according to the website.