Pioneer SX-550

The Pioneer SX-550 is one of the smaller receivers that Pioneer produced. It is the successor to the SX-535 and produces a whopping 20 watts per channel. It was introduced in 1977 and was discontinued …

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Pioneer SX-5590

This Pioneer SX-5590 is the European version of Pioneer’s SX-1250.  It would definitely be considered a “Monster” receiver as it produces a whopping 160 watts per channel. It incorporates a huge toroidal power transformer. It …

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Pioneer QX-9900

This is one of Pioneer’s four channel offerings – the Pioneer QX-9900. The QX-9900 was manufactured in the mid 70’s and featured both Matrix and SQ decoding. It’s rated at 38 watts per channel into …

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Pioneer SX-1050

Another of the silver faced Pioneer line the Pioneer SX-1050 was the little brother to the giant SX-1250 in 1976 and 1977. While it may not necessarily be considered a “Monster” receiver it is close. …

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Pioneer SX-650

One of the classic mid-range receivers offered by Pioneer in the mid 70’s was this Pioneer SX-650. As you can see it has the classic silver face styling of Pioneer’s 50 series which, when coupled …

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Pioneer SX-780

This is the Pioneer SX-780. It was the last of Pioneer’s 700 series receivers and was very well built. It was produced from 1978 up until 1980 and had a list price of $325.00. The …

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Pioneer SX-950

This is the stylish Pioneer SX-950.  This receiver was offered by Pioneer from 1976 through 1977. It had a list price of around $600.00. This model was in the upper end of the quality range …

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Pioneer SX-1250

This is another of the Pioneer classics. It’s the Pioneer SX-1250. As you can see it has the trademark Pioneer styling of that era with silver knobs and white meter face.s It was introduced in …

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