Report Abuse. First of all - RCA's, Pre-amps, Pre-outs, or just Outputs are all common terms referring to a head units low/line level rca style outputs used to drive an amplifiers input.The most basic HU's just offer a single pair (left and right) of pre-amp outputs.eport Abuse. First of all - RCA's, Pre-amps, Pre-outs, or just Outputs are all common terms referring to a head units low/line level rca style outputs used to drive an amplifiers input.
An ideal cardio session should be around 45 minutes. If you lift weights before aerobic training, youâll only need 15-20 minutes of cardio. Youâll get the same benefits as you would do in 45 minutes without weight training.
Knowing how to balance cardio with weight training can be one of the most challenging aspects of putting together your training program. Learn how to do it here. Training your body is all about balance. A complete exercise program should address not only resistance training but cardiovascular training as well.raining To Gain Muscle. If you're training to lose fat, you're going to need to do more cardio than someone who is training to gain muscle. A good starting point is three times per week, 20 to 30 minutes per session. Depending on the other factors we're going to discuss, you may need more or less than this.