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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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Adcom 545 Amp 100Wpc Classic Solid State AmpAdcom 545 Amp 100Wpc Classic Solid State Amp $265.00 Adcom Gfa-6002 2-Channel Bridgeable Stereo Amplifier Gfa6002 Power AmpAdcom Gfa-6002 2-Channel Bridgeable Stereo Amplifier Gfa6002 Power Amp $199.00
Adcom Gfa-7500 5 Channel Thx Power AmplifierAdcom Gfa-7500 5 Channel Thx Power Amplifier $400.00 Adcom Gfa7707 Multi-Channel Power Amplifier 200W per channelAdcom Gfa7707 Multi-Channel Power Amplifier 200W per channel $2,250.00
Adcom Gfa-555 Stereo Power Amplifier 200 Wpc - Powers OnAdcom Gfa-555 Stereo Power Amplifier 200 Wpc - Powers On $349.98 Adcom Gfa-5500 Stereo Power Amplifier Amp 200 Watts Per Channel into 8ohmAdcom Gfa-5500 Stereo Power Amplifier Amp 200 Watts Per Channel into 8ohm $299.99
Adcom Gfa-535Ii High Current Power 60W x 2 Channel AmplifierAdcom Gfa-535Ii High Current Power 60W x 2 Channel Amplifier $95.00 Adcom Gfa-535 2 Channel Amplifier High Current Vintage Audio Power TestedAdcom Gfa-535 2 Channel Amplifier High Current Vintage Audio Power Tested $109.99
Adcom Gfa535 power amplifier excellent working conditionAdcom Gfa535 power amplifier excellent working condition $125.00 Adcom Gfa-545 2 Channel Power AmplifierAdcom Gfa-545 2 Channel Power Amplifier $275.00
Adcom Gfa-535 stereo amplifier Tested!Adcom Gfa-535 stereo amplifier Tested! $149.99 Early 90's Adcom Gfa-535 Power Amp & Gtp-500 Preamp - Tested and WorkingEarly 90's Adcom Gfa-535 Power Amp & Gtp-500 Preamp - Tested and Working $324.99
Adcom Gfa - 5503 Amplifier in Full Working .Adcom Gfa - 5503 Amplifier in Full Working . $550.00 New! 2025 Adcom Gfa-555Se Audiophile Edition Stereo Amplifier $1649New! 2025 Adcom Gfa-555Se Audiophile Edition Stereo Amplifier $1649 $1,649.00
Adcom Gfa-7000 5 Channel AmpAdcom Gfa-7000 5 Channel Amp $349.99 Adcom Gfa-2 Power Amplifier 200 Watts 50-60HzAdcom Gfa-2 Power Amplifier 200 Watts 50-60Hz $175.00
Adcom Gfa-545 Ii Power Amplifier 120V 600WAdcom Gfa-545 Ii Power Amplifier 120V 600W $254.98 Adcom Gfa-535 Stereo Power Amplifier Excellent Made In UsaAdcom Gfa-535 Stereo Power Amplifier Excellent Made In Usa $79.99
New ListingAdcom Gfa-535L Stereo Power Amplifier Excellent Made In UsaNew ListingAdcom Gfa-535L Stereo Power Amplifier Excellent Made In Usa $199.99 Adcom Gfa-545 Ii 2 Channel Power Amplifier 100 Wpc perfect working conditionAdcom Gfa-545 Ii 2 Channel Power Amplifier 100 Wpc perfect working condition $350.00
Adcom Gfa 5802 amplifier 300Wpc Class A/B Nelson Pass DesignedAdcom Gfa 5802 amplifier 300Wpc Class A/B Nelson Pass Designed $1,000.00 Us Adcom Gfa-2535 Power AmplifierUs Adcom Gfa-2535 Power Amplifier $714.24
Adcom Gfa-7300 5 Channel AmplifierAdcom Gfa-7300 5 Channel Amplifier $399.95 Adcom Gfa 5500 Stereo Amplifier -HAdcom Gfa 5500 Stereo Amplifier -H $500.00
Adcom Gfa-535 stereo amplifierAdcom Gfa-535 stereo amplifier $149.99 Adcom Gfa-555 2-Channel Power Amplifier (200wpc)Adcom Gfa-555 2-Channel Power Amplifier (200wpc) $349.00
Adcom Gfa5300 stereo power amplifierAdcom Gfa5300 stereo power amplifier $195.00 Adcom Gfa-1A Power Amplifier - 200 wpc 8 ohms / 350 wpc 4 ohmsAdcom Gfa-1A Power Amplifier - 200 wpc 8 ohms / 350 wpc 4 ohms $299.00
Adcom amplifier Gfa 555Adcom amplifier Gfa 555 $469.00 Adcom Gfa-5500 (200W/Ch) - Power AmpAdcom Gfa-5500 (200W/Ch) - Power Amp $499.99
Adcom Gfa-5400 Power AmplifierAdcom Gfa-5400 Power Amplifier $335.00 Adcom Gfa-555 Ii Power Amplifier. Original. Great condition. 200wpc, 600W MonoAdcom Gfa-555 Ii Power Amplifier. Original. Great condition. 200wpc, 600W Mono $659.00
Adcom Amplifier X 2 Enhancer & Tuner Gfa-2535 Gfa-555 Ii Rack AudiophileAdcom Amplifier X 2 Enhancer & Tuner Gfa-2535 Gfa-555 Ii Rack Audiophile $1,100.00 Adcom Gfa 5006 Power Amp 6/5/4/3 Channels 50w-8ohm 75w-4ohm 175w Bridged x3 VgcAdcom Gfa 5006 Power Amp 6/5/4/3 Channels 50w-8ohm 75w-4ohm 175w Bridged x3 Vgc $285.00
Adcom Gfp-565 PreamplifierAdcom Gfp-565 Preamplifier $350.00 Adcom Gfa-535 Stereo Power AmplifierAdcom Gfa-535 Stereo Power Amplifier $180.00
Adcom Gfa-7300 5 Channel Amplifier Tested!Adcom Gfa-7300 5 Channel Amplifier Tested! $299.99 Adcom Gfp-565 preamp + Gfa-535 Ii power ampAdcom Gfp-565 preamp + Gfa-535 Ii power amp $299.00
Adcom Gfa-5300, Stereo/Surround 2 Channel Power Amplifier, Tested & Working.Adcom Gfa-5300, Stereo/Surround 2 Channel Power Amplifier, Tested & Working. $224.99 Early 90's Adcom Gfa-535 Power Amp & Gtp-500 Preamp Read Description Free ShipEarly 90's Adcom Gfa-535 Power Amp & Gtp-500 Preamp Read Description Free Ship $259.00
Rack Mount Adcom Gfa-6002 2-Channel Stereo Power AmplifierRack Mount Adcom Gfa-6002 2-Channel Stereo Power Amplifier $249.99 Adcom Amp Gfa-5400 Power Stereo Amplifier WorkingAdcom Amp Gfa-5400 Power Stereo Amplifier Working $149.00
Adcom Gfa-5400 Power Amplifier *Works, Looks and Sounds Great *One OwnerAdcom Gfa-5400 Power Amplifier *Works, Looks and Sounds Great *One Owner $350.00 New ListingAdcom Gfa-555 Stereo Power AmplifierNew ListingAdcom Gfa-555 Stereo Power Amplifier $399.99
Adcom Gfa-535 2 Channel Power Amplifier - Nelson Pass Design!Adcom Gfa-535 2 Channel Power Amplifier - Nelson Pass Design! $90.00 New ListingAdcom Gfa-5300 2 Channel Power Amp. NiceNew ListingAdcom Gfa-5300 2 Channel Power Amp. Nice $169.75
Adcom Gfa 5400 Stereo Amplifier Tested Working!Adcom Gfa 5400 Stereo Amplifier Tested Working! $375.00 Adcom Gfa 5002 Power Amplifier 50Wpc Tested WorkingAdcom Gfa 5002 Power Amplifier 50Wpc Tested Working $155.98
Adcom Gfa-565 Mono Power Amplifier Tested & WorkingAdcom Gfa-565 Mono Power Amplifier Tested & Working $400.00 New ListingAdcom Gfa-5800 Stereo Power Amplifier AmpNew ListingAdcom Gfa-5800 Stereo Power Amplifier Amp $1,200.00
Adcom Gfa 7400 Excellent Condition 5 Channel Amplifier VintageAdcom Gfa 7400 Excellent Condition 5 Channel Amplifier Vintage $499.00 Adcom Gfp-565 Preamplifier Pre Amp W Gfa-545Ii Stereo Power Amplifier Read!Adcom Gfp-565 Preamplifier Pre Amp W Gfa-545Ii Stereo Power Amplifier Read! $449.99
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Prices current as of last update, 05/11/25 1:20pm.
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