Horn

RB MODEL	NNER RIM DIAMMETER	OUTER RIM DIAMMETER	CUP DEPTH	DIGITAL CUP DEPTH	BORE	EQUIVALENCES	SIMILARITIES AND COMPARISONS TO OTHER BRANDS (*)
R10A	16.50	25	20	26.30	4
R10A1	16.50	25	21	27.30	4.25	Conn 7BW	Cup depth: 0.50mm more and the bore 0.25 less than Conn 7BW.
R10B	16.50	25	22	28.30	4.25	Schi. 30 V.B 10	Outer rim ø: 0.25m/m less than Schilke 30. Outer rim ø: 1m/m less than V.B 10.
R10C	16.50	25	23	29.10	4.40
R10D	16.50	25	24	30.10	4.40
R10E	16.50	25	25	30.10	4.80
R10F	16.50	25	26	30.90	5
R15A	16.80	25	20	26.60	4		Inner rim: 0.40m/m less than Yamaha 34C4.
R15A1	16.80	25	21	27.30	4.25	Schi. 29 Conn 7 BW Bruno Tilz MC William 2	Outer rim: 1m/m less than Sch. 29
R15B	16.80	25	22	28.30	4.25	Alexander 8	Outer rim Ø : 0.60mm less and the bore 0.55mm more than Alexander 8
R15C	16.80	25	23	29.10	4.40
R15D	16.80	25	24	30.10	4.40
R15E	16.80	25	25	30.10	4.80	Schi. 31 Giradinelli C10	Outer rim and cup depth 1m/m less than Schilke 31. Cup depth: 1m/m less than Giradi. C10.
R15F	16.80	25	26	30.90	5
R20A	17	25.50	20	26.30	4
F20A1	17	25.50	21	27.30	4.25
R20B	17	25.50	22	28.30	4.25	Bruno Tilz MC William 1 Bruno Tilz Mc William 1W	Outer rim Ø:0.30mm more and bore 0.15mm less than Bruno Tilz MC William 1 and MC William 1W.
R20C	17	25.50	23	29.10	4.40	Schmid 9 D.W 7	Inner rim: 0.50m/m less than Stork 05 ½. Outer rim: 0.50m/m larger than V.B 7. Inner rim ø: 0.25m/m larger than D.W 7.
R20D	17	25.50	24	30.10	4.40	V.B 7	Cup depth: 0.50m/m less than V.B 7.
R20E	17	25.50	25	30.10	4.80
R20F	17	25.50	26	30.90	5
R25A	17.25	25.50	20	26.30	4
R25A1	17.25	25.50	21	27.30	4.25
R25B	17.25	25.50	22	28.30	4.25
R25C	17.25	25.50	23	29.10	4.40	Stork 05 ½ V.B 3	Bore: 0.25m/m less than Stork 05 ½.
R25D	17.25	25.50	24	30.10	4.40		Cup depth: 1m/m more than V.B 3.
R25E	17.25	25.50	25	30.10	4.80	Alexander MY15	Bore: 0.30mm more than Alexander MY15
R25F	17.25	25.50	26	30.90	5
R30A	17.50	25.50	20	26.30	4
R30A1	17.50	25.50	21	27.30	4.25	paxman 4	Cup depth: 0.50m/m more than Paxman 4.
R30B	17.50	25.50	22	28.30	4.25
R30C	17.50	25.50	23	29.10	4.40
R30D	17.50	25.50	24	30.10	4.40
R30E	17.50	25.50	25	30.10	4.80	D.Wick 5N
R30F	17.50	25.50	26	30.90	5
R35A	17.75	25.75	20	26.30	4
R35A1	17.75	25.75	21	27.30	4.25	E. Schmid 10.5 E. Schmid 11	Cup depth: 1.5mm more than E. Schmid 10.5 Cup depth: 0.50mm more than E. Schmid 11
R35B	17.75	27.75	22	28.30	4.25	Paxman 4C E. Schmid 11.5	Similar Paxman 4C. Outer rim Ø: 0.25 mm less than E. Schmid 11.5
R35C	17.75	25.75	23	29.10	4.40
R35D	17.75	25.75	24	30.10	4.40
R35E	17.75	25.75	25	30.10	4.80
R35F	17.75	25.75	26	30.90	5
R40A	18	26	20	26.30	4
R40A1	18	26	21	27.30	4.25
R40B	18	26	22	28.30	4.25
R40C	18	26	23	29.10	4.40
R40D	18	26	24	30.10	4.40
R40E	18	26	25	30.10	4.80
R30F	18	26	26	30.90	5
R45A	18.25	26	20	26.30	4
R45A1	18.25	26	21	27.30	4.25
R45B	18.25	26	22	28.30	4.25
R45C	18.25	26	23	29.10	4.40
R45D	18.25	26	24	30.10	4.40
R45E	18.25	26	25	30.10	4.80
R45F	18.28	26	26	30.60	5

* The comparisons are made from the measures of Romera Brass models

Horn Mouthpieces description:
- All mouthpieces have special ROMERA BRASS cups.
- A and A1 cups to enhance high tones and bright sounds.
- B and C cups for compact and powerful sounds.
- D and E cups for dark sounds, suitable for players with great resistance.
- F very deep cups and dark sound.

Finish Mouthpieces:
- One piece with silver plate.
- One piece with gold plate.
- Screw-on rim mouthpieces. Rim gold plated and body silver plated.

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