有哪些在 £500 以下、评价很高的学生小号？

The Jupiter JTR700 series are student Bb trumpets with a .460 bore (11.68 mm), 4.8 in bell, stainless steel pistons and options in lacquered or silver-plated finishes. They're designed to be free-blowing and durable for beginners and younger players who need a reliable, easy-to-play instrument.

学生级 Bb 小号，medium bore，yellow brass 结构，提供 brass lacquer 或 nickel 两种饰面。配有 stainless steel valves，含 7C 吹嘴和盒子，适合寻求经济耐用入门乐器的初学和少年演奏者。

银镀层 Bb 学生小号，stainless steel pistons，.460 bore，4.8 in 喇叭口。吹奏顺畅、平衡良好，适合年轻演奏者和初学者，响应容易且音准良好。

Student Bb trumpet with a medium-large bore, red brass leadpipe and bell, Monel piston valves, thumb saddle on the 1st valve and adjustable 3rd valve slide. Suited for beginning students seeking an affordable, easy-blowing instrument.

Capri 系列学生/中级 Bb 小号，.460 in bore，yellow brass 喇叭，nickel silver mouthpipe 和 nickel silver 内滑管。配有 first-valve saddle、可调节 third-slide ring，面向向中级演奏进阶的认真学生。

The Etude ETR-100 Series is a student Bb trumpet with a .460 bore and red brass leadpipe, stainless steel piston valves, and includes a mouthpiece and case. It's aimed at beginners and students seeking an affordable, durable starter instrument with ergonomic features for small hands.

学生级 Bb 小号，medium-large bore，5 in 喇叭口，金色漆面，附 phosphor copper 吹嘴；适合初学者和爱好者寻找经济实惠的入门乐器。

学生级 Bb 小号，two-piece yellow brass bell，medium-large bore，monel pistons，设计注重易吹奏性和稳定音准；适合初学和中级学生，耐用且平衡良好。