Vinyl is an investment in your home that should last a decade. If you buy a cheap plastic player, you will likely end up replacing it in a year when it skips or starts damaging your records. It is better to buy a heavy platter and solid speakers once rather than twice.
January is the best time to buy because retailers are clearing out holiday stock. Using the Citi Simplicity® Credit Card (Citi) allows you to spread the cost of a high-end setup over a long period while the stores are offering their deepest discounts on last year's models.
This 0% interest period is a strict deadline, not free money. If you still have a balance on the card after the 18 months are up, the standard high interest rate will apply to whatever is left, making your audio gear much more expensive than you planned.