Budget? For what equipment? For what sonic characters?
For power amp and need to be powerful, may use Acrolink 4030 7n III at around HK$220 per foot. Its cross-section area is 5.4 sqmm (enough power) with 100 strands (enough analytical) But weakness is 屏敝一般.
7N-P4030 Specifications:
Conductors: 7N Copper, 0.26mm X 100 strands X 2 (red and black); Ground: 4N5 copper 0.26mm X 100 strands X 1 (green)
Shield: Copper foil
Conductor Resistance: 2.9 mΩ/meter
Electrostatic capacitance: 13pF/meter
Maximum current: 50A/VCTF STandard