| Brand | Requisite Audio Engineering |
|---|---|
| Model | 5687C / RTS-4A |
| Country/Region of Manufacture | United States |
Check the listing for details. Requisite Audio Engineering 5687C Tube Preamplifier / RTS-4A Tube Power Supply. Condition: Used. Listed at 3650.00 USD. Power Amplifiers are NOT included in this sale. Used, working Perfectly,Super Clean Condition.
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