Pair Vintage 10" CTS Alnico Speakers Matched Set 8.5 Ohm 1966 985-003563 Tested
Pulled from retired musicians rolling cabinets.
Speaker Identification & Specifications
Manufacturer : CTS (Chicago Telephone Supply)
EIA Code: 137 (The first three digits stamped on the square back).
CTS was a massive supplier of audio drivers for classic guitar amplifiers (like vintage Fender and Ampeg amps) and high-fidelity systems from the 1950s through the 1970s.
Production Date: Mid-June 1976 (or potentially 1966)
Date Code: 616. The digit 6 indicates the year ending in 6 (most likely 1976 given the frame and ceramic build style), and 16 indicates it was produced during the 16th week of the year (around mid-April).
Part Number: 985-003563
This is the specific OEM (Original Equipment Manufacturer) customer tracking number or internal part number used to fulfill orders for a specific brand's cabinet or amplifier.
| Listed | 5 days ago |
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| Condition | Very Good (Used) Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more |
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