Pioneer QX 949 (1973–1976)
A quadraphonic receiver introduced in 1973, featuring built-in SQ and RM decoding and a unique four-channel power supply.
Overview
The Pioneer QX 949 is a four-channel receiver designed for quadraphonic sound reproduction, released between 1973 and 1976. It was positioned as Pioneer’s top-of-the-line quadraphonic receiver, combining high power output with advanced decoding and tuning capabilities. The unit features a silver aluminum faceplate and wood cabinet, with a front panel that includes a large illuminated signal strength meter, a tuning meter, and a built-in CRT oscilloscope approximately 1.5 inches in diameter.
Specifications
| Tuning range | FM, MW |
| Frequency response | 7Hz to 25kHz |
| Original price | Approx. $750 USD |
| Made in | Japan |
| Color | Silver |
Design
The QX 949 features a unique "Quadra-Power" power supply and a built-in "Vari-Matrix" decoder for SQ and RM quadraphonic formats. Its front panel includes a CRT oscilloscope for signal monitoring, alongside a large illuminated signal strength meter and tuning meter. The unit is housed in a wood cabinet with a silver aluminum faceplate.
Reception
The QX 949 is considered one of the best quadraphonic receivers ever made, known for its robust construction, high-quality sound, and versatility. It is praised for its comprehensive feature set and remains a popular choice among collectors and audiophiles.
Market
The Pioneer QX 949 has appeared on the used market with asking prices ranging from $300 to $450, with some sellers indicating willingness to accept lower offers. A known issue reported by owners includes intermittent audio in output channels, often resolvable by cleaning internal contacts and switches.
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