Us amps usa-50hc (2)

#1Tunna
10+ year member

Papio Slayer
Item(s) for Sale:

US AMPS USA-50HC

Item(s) Description/Condition:

At least 8/10

In really good condition for its age, only real con is some light overspray, easily removable. Came like that from the original owner. Will come in original boxes from factory. Only have 1 manual so first come first serve or its obviously yours if you buy both:)

AMP2.jpg


Price:

$140 shipped per

$260 shipped for both

Prices are firm. Will accept trades for a nice 6.5" component set.

Shipping and Miscellaneous Item Information:

Included

Item Pictures:

(List pictures in this section, 1st picture should be your username/date if you have less than 10 positive feedbacks with the i-Trader system or less than 10 references that you have sold to in the past. (These must be listed in your signature, or a link provided to a feedback thread listing these references)).

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IMG_2639_zps43d5deda.jpg


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Specs:

US Amps USA-50HC

2 x 25W @ 4 Ohms

2 x 33W @ 3 Ohms

2 x 50W @ 2 Ohms

2 x 100W @ 1 Ohm

2 x 185W @ ½ Ohm

1 x 100W @ 4 Ohms bridged

1 x 132W @ 3 Ohms bridged

1 x 200W @ 2 Ohms bridged

1 x 375W @ 1 Ohm bridged

Fuse: 75A

GLWS!! Clean amp

 
I collect US Amps. The manual you have is from the early 90's. The amps, judging from the boards, are the 1999 version. The board should be the same as the USA-150/150X. The rail voltage on the USA-50HC is +/-15V @ 35A. The "white pages" for that amp say it's 100W/CH @ 4 ohms and the overage factor is 15:1. It has (12) 125W 3MHz bipolar transistors. Doing the math in the US Amps brochures 15V x 1ohm = 15A...15V x 15A = 225W/CH. Bridged is 30V x 1 ohm = 30A...30V x 30A = 900W. Someone correct me if my math or way of thinking is off. US Amps are way underrated. GLWS!

 
Thanks guys, they've been good to me. Glad to have owned these amps but they have to go, got a AQ120.4 to go active, couldn't resist with the Black Friday deal they had going on.

 
Hmm, maybe ill just keep them and run 1 per coil on my 12. Haha, nah. Gotta get these sold guys, been out of a job for over a month and having a hard time paying bills. Bump it up!

 
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#1Tunna

10+ year member
Papio Slayer
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