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Dynaco

An electronic amplifier is a device for increasing the current, voltage or power of a signal. It does this by taking power from a power supply and controlling the output to match the input signal shape but with a larger amplitude. more...

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Dynaco Mark-Vi Vacuum Tube Power Amplifier, Mono PairDynaco Mark-Vi Vacuum Tube Power Amplifier, Mono Pair $3,800.00 Watch Video-Dynaco St 150 power amplifier-One Channel Does Not Work-For PartsWatch Video-Dynaco St 150 power amplifier-One Channel Does Not Work-For Parts $220.00
Dynaco 120 Stereo Power Amplifier 400 Watts Max Turns OnDynaco 120 Stereo Power Amplifier 400 Watts Max Turns On $129.99 Vintage Dynaco Stereo 120 Power Amplifier - Tested Works * see description!*Vintage Dynaco Stereo 120 Power Amplifier - Tested Works * see description!* $275.00
Dynaco Mark Iii tube amps tested works /New Sds Lab's Quad Caps & Replace BoardsDynaco Mark Iii tube amps tested works /New Sds Lab's Quad Caps & Replace Boards $1,084.95 Dynaco Sca-35 Vintage Tube Stereo Amplifier Dyna Rare Old SchoolDynaco Sca-35 Vintage Tube Stereo Amplifier Dyna Rare Old School $136.50
New ListingDynaco Stereo 80 Amplifier - Tested For PowerNew ListingDynaco Stereo 80 Amplifier - Tested For Power $199.99 Modified Dynaco Mark Iii Tube AmplifiersModified Dynaco Mark Iii Tube Amplifiers $2,495.00
Vintage Dynaco St-150 Stereo Amplifier with Assembly ManualVintage Dynaco St-150 Stereo Amplifier with Assembly Manual $269.98 Dynaco Sca-80Q Integrated Amplifier-Fully Tested & Working Perfectly! Free ShipDynaco Sca-80Q Integrated Amplifier-Fully Tested & Working Perfectly! Free Ship $300.00
Dynaco Dynakit St-70 Tube Power AmplifierDynaco Dynakit St-70 Tube Power Amplifier $749.98 Dynaco Sca 50 Integrated Amplifier W/ Walnut CaseDynaco Sca 50 Integrated Amplifier W/ Walnut Case $339.99
Vintage Dynaco Stereo 120 Power Amplifier/UntestedVintage Dynaco Stereo 120 Power Amplifier/Untested $99.00 Dynaco Sca 80 Integrated Amplifier Amp WorkingDynaco Sca 80 Integrated Amplifier Amp Working $215.00
Dynaco Qsa300 Power AmplifierDynaco Qsa300 Power Amplifier $500.00 Dynaco Dynakit Stereo 70 Amplifier D-913Dynaco Dynakit Stereo 70 Amplifier D-913 $200.00
Vintage Audiophile Dynaco/Dynakit St-150 Stereo Power Amplifier Rare Kit BuiltVintage Audiophile Dynaco/Dynakit St-150 Stereo Power Amplifier Rare Kit Built $299.99 Vintage Dynaco 120 Stereo Power Amplifier Amp Powers OnVintage Dynaco 120 Stereo Power Amplifier Amp Powers On $125.00
Dynaco Stereo - Quad Power Amplifier Qsa-300 Channel 1 Slightly Lower OutputDynaco Stereo - Quad Power Amplifier Qsa-300 Channel 1 Slightly Lower Output $598.98 Dynaco Stereo 120 Power Amplifier 60 Wpc Perfect Working ConditionDynaco Stereo 120 Power Amplifier 60 Wpc Perfect Working Condition $299.00
Vintage Dynaco Stereo 120 Power Amplifier - Tested WorksVintage Dynaco Stereo 120 Power Amplifier - Tested Works $240.00 Vintage Very Nice Dynaco Stereo 416 Amplifier Used - Powers On - UntestedVintage Very Nice Dynaco Stereo 416 Amplifier Used - Powers On - Untested $345.00
Dynaco St 70 Stereo Tube AmplifierDynaco St 70 Stereo Tube Amplifier $995.00 Vintage Dynaco Stereo 400 Power Amplifier - 2 Channel - Usa MadeVintage Dynaco Stereo 400 Power Amplifier - 2 Channel - Usa Made $950.00
Vintage Dynaco Stereo 120 Power AmplifierVintage Dynaco Stereo 120 Power Amplifier $216.00 Dynaco Stereo 120A Amplifier – Tested/ Working (Used)Dynaco Stereo 120A Amplifier – Tested/ Working (Used) $395.99
Vintage Dynaco Stereo 120A Power Amplifier Working.Vintage Dynaco Stereo 120A Power Amplifier Working. $149.99 Dynaco Sca 80 Integrated Solid State Amplifier For partsDynaco Sca 80 Integrated Solid State Amplifier For parts $250.00
Dynaco St-150 Stereo Power Amplifier • Non Smoking House • Works • Looks GreatDynaco St-150 Stereo Power Amplifier • Non Smoking House • Works • Looks Great $399.99 Dynaco Sca-80 Integrated Solid State Amplifier - Fair ConditionDynaco Sca-80 Integrated Solid State Amplifier - Fair Condition $232.12
Dynaco Sca-80 Integrated Solid State Amplifier - Working! sold as is PartsDynaco Sca-80 Integrated Solid State Amplifier - Working! sold as is Parts $98.00 Dynaco St-120A (St-120) - 60/60W Solid State Stereo Amplifier - For Parts/RepairDynaco St-120A (St-120) - 60/60W Solid State Stereo Amplifier - For Parts/Repair $174.99
Vintage Dynaco Sca-50 Stereo Amplifier Powers OnVintage Dynaco Sca-50 Stereo Amplifier Powers On $185.00 Vintage Dynaco 120 Stereo Power Amplifier Amp Tested WorksVintage Dynaco 120 Stereo Power Amplifier Amp Tested Works $200.00
Dynaco Mark Vi Professional Power Amplifiers = Factory Wired!Dynaco Mark Vi Professional Power Amplifiers = Factory Wired! $3,999.00 Dynaco Sca-35 Stereo Tube Amplifier - Working FineDynaco Sca-35 Stereo Tube Amplifier - Working Fine $570.00
Dynaco Stereo 120 St-120 120W Audio Amplifier, Mint ConditionDynaco Stereo 120 St-120 120W Audio Amplifier, Mint Condition $249.00 Vintage Dynaco Stereo 120 Power Amplifier.Vintage Dynaco Stereo 120 Power Amplifier. $195.00
Dynaco Stereo 416 Power Amplifier 2 Channel 200Wpc Tested & Clean See DetailsDynaco Stereo 416 Power Amplifier 2 Channel 200Wpc Tested & Clean See Details $440.00 Dynaco Sca-80 Integrated Amplifier Working W/issues Sold As-Is for repair OnlyDynaco Sca-80 Integrated Amplifier Working W/issues Sold As-Is for repair Only $225.00
Dynaco Model 410 Stereo Power Amplifier Amp - Tested - Eb-18074Dynaco Model 410 Stereo Power Amplifier Amp - Tested - Eb-18074 $259.99 Dynaco St-70 Stereo Tube Amplifier W/Updates + More Sounds Great! "Look"Dynaco St-70 Stereo Tube Amplifier W/Updates + More Sounds Great! "Look" $1,000.00
Dynaco Dynakit Mark Iv Amplifier - Tested Works - with Vacuum TubesDynaco Dynakit Mark Iv Amplifier - Tested Works - with Vacuum Tubes $349.99 Dynaco 120 Vintage Amplifier *Non Functioning*Dynaco 120 Vintage Amplifier *Non Functioning* $75.00
Dynaco Stereo 120 Vintage Audio Amplifier w/ Manual (original, sounds great)Dynaco Stereo 120 Vintage Audio Amplifier w/ Manual (original, sounds great) $235.00 Dynaco St-80 Stereo Power AmplifierDynaco St-80 Stereo Power Amplifier $275.00
Dynakit Dynaco Mark Iv Amp vintage rare amplifierDynakit Dynaco Mark Iv Amp vintage rare amplifier $550.00 Dynaco Stereo 120 Power Amplifier 400 Watts Max Tested & WorkingDynaco Stereo 120 Power Amplifier 400 Watts Max Tested & Working $299.99
Vintage Dynaco Stereo 120 (1971-72) Stereo Power Amplifier - See DetailsVintage Dynaco Stereo 120 (1971-72) Stereo Power Amplifier - See Details $119.99 Dynaco Sca-80 Amplifier • Non Smoking House • Works • Looks GreatDynaco Sca-80 Amplifier • Non Smoking House • Works • Looks Great $199.99
Dynaco St-150 Stereo Amplifier Perfect Working ConditionDynaco St-150 Stereo Amplifier Perfect Working Condition $799.99 Dynaco Dynakit Mark Iv AmplifierDynaco Dynakit Mark Iv Amplifier $449.99
Rare Vintage Dynaco Sca-120 Integrated stereo Amplifier worksRare Vintage Dynaco Sca-120 Integrated stereo Amplifier works $174.99 Dynaco Sca-80 Amplifier Tested/WorksDynaco Sca-80 Amplifier Tested/Works $220.00
Dynaco Sca-80Q Integrated Amplifier, Needs RepairDynaco Sca-80Q Integrated Amplifier, Needs Repair $50.00 Vacuum Tubes Stereo Power Amplifier Based On Dynaco St70/St120 120 Watt UpgradedVacuum Tubes Stereo Power Amplifier Based On Dynaco St70/St120 120 Watt Upgraded $2,495.00
1961 Dynaco Stereo 70 Tube Amplifier • Non Smoking House • Works • Looks Great1961 Dynaco Stereo 70 Tube Amplifier • Non Smoking House • Works • Looks Great $899.99
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Prices current as of last update, 07/23/25 9:50pm.

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