![]() ![]() As you may have seen already, the Rockford Fosgate Punch 150HD was rated at the same 75x2 at 4 ohms and delivered nearly 120x2 at 4 ohms on the test bench. Orion HCCA models come to mind, but there were others from US Amps and Phoenix Gold, to mention a few.Īs for the power output test, I was anticipating Soundstream to rate the Reference 300 conservatively. Only a handful of amps were rated to handle these loads. The ability to drive 1/2 ohm loads was a rarity back in the early 90's. ![]() Soundstream Reference Series Design Features Soundstream Reference 200/300/500 Power Ratings at 12vĪlso, here are some of the design specs of the Soundstream Reference Series amplifiers: ![]() See power output specs from the manual below: High power modes are designed for loads down to 1 ohm stereo or 2 ohms mono. The Reference 300 is rated to handle 1/2 ohm loads in stereo or 1ohm modes in mono, while in the high-current mode. One switch controls high power or high current mode, while the other allows switching between mono / coherent stereo / mixed-mono modes. There are also two openings on the bottom of the amp with switches. It has no internal crossover and as with earlier Soundstream amps, all connections are made on one side. The Reference 300 is a no-frills old school amp. If you've missed it, I've already done an overview and RMS watt output test of the Phoenix Gold MS-275 and Rockford Fosgate Punch 150HD. I recently picked up a Soundstream Reference 300 and couldn't wait to add it to my old school 150 watt (75x2 RMS) amp tests. Well, these days, I spend some of my free time bench testing some of these amps I always wanted back in the day. I drooled over the Phoenix Gold MS series, Rockford Fosgate HD series, Soundstream Reference series, just to mention a few. It was very rare to come across a test I actually cared about, but maybe once a year or so. I recall back in the early 90's patiently awaiting my monthly Car Audio magazines so I could see amp tests. Soundstream Reference 300 on the Test Bench ![]()
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