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Board Amplifier Audio

pa2v2-headphones-amplifier-rechargeable-headphone-amp PA2V2 Headphones Amplifier - Rechargeable Headphone Amp
US $56.55 (16 Bids)
End Date: Saturday Sep-04-2010 10:08:18 PDT
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pa2v2-headphones-amplifier-rechargeable-headphone-amp PA2V2 Headphones Amplifier - Rechargeable Headphone Amp
US $47.00 (15 Bids)
End Date: Saturday Sep-04-2010 11:01:22 PDT
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sharp-htsb200-2-1-surround-sound-bar-speaker-system Sharp HTSB200 2.1 Surround Sound Bar Speaker System
US $79.00 (20 Bids)
End Date: Saturday Sep-04-2010 16:05:22 PDT
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Board Amplifier Audio
What can cause the DC voltage at the output of an audio amplifier?

I have a Fender amplifier 2244, and while I was doing routine dusting, one of the channels went out. When measured out, there 1.3VDC in the speaker output on that channel. I think this can be a particular problem, but I can not understand, even with the schemes and the control of the Board with a scope. 1.3V is present without a speaker connected. I have an audio signal under way, which I have traced throughout the amplifier, and signal changes or somewhere on the board of the driver, or the Board of transistors. With everything connected internally, the output transistor Board for Channel 1 is good, but the Board giving second transistor is ~ 1.3V. I think the board is a transistor push-pull amplifier.

It could be a lot of things. One thing to try is to check for a burned out transistor. If this occurs, one or more fuses or circuit in the amplifier is going to fly too. So first check for blown fuses (you can do this by visual inspection or verification of continuity with an ohm meter), or try resetting circuit breakers. And if the fuses or breakers are okay, then it probably is not a blown output device. If one or more of them are open, check the cables to the output devices (which mounts the aluminum heat sink) with a diode tester, or continuity tester. If you are short-circuited (0 ohms in the case of a continuity tester and 0 V in the case that the diode correction) in both directions (by swapping the test probes around when measuring through two terminals), then the device is blown and needs replacement. If the plug or socket joints are going to, you can try reseating they.


Deluxe Amplifier Rack System Case Shock Mount with Caster Board Size: 18U


Deluxe Amplifier Rack System Case Shock Mount with Caster Board Size: 18U


$749.99


RR18UADSW Size: 18U Musical instrument not included Features: -18” Shock mount. -Built to take a pounding and come back for more. -Protects your gear from even the most ground-breaking abuse. -Crafted with our exclusive case-within-a case design. -Unique integral suspension system. -Provides un-parallel protection against even the most rigorous trauma. -Built smart with dual rack rails for flexib…

Deluxe Amplifier Rack System Case with Caster Board Size: 14U


Deluxe Amplifier Rack System Case with Caster Board Size: 14U



RR14UAD24W Size: 14U Musical instrument not included Features: -0.5” plywood construction for extra strength. -Built smart with dual rack rails. -Crafted from raw edged materials to accommodate professional amps 14U up to 16U. -Two removable heavy duty covers for easy access to your gear. -Built for the long haul. -Mobility made easy. -Beefy, stackable ball corners. -Double anchor industrial rive…


Deluxe Amplifier Rack System Case with Caster Board Size: 16U


Deluxe Amplifier Rack System Case with Caster Board Size: 16U



RR16UAD24W Size: 16U Musical instrument not included Features: -0.5” plywood construction for extra strength. -Built smart with dual rack rails. -Crafted from raw edged materials to accommodate professional amps 14U up to 16U. -Two removable heavy duty covers for easy access to your gear. -Built for the long haul. -Mobility made easy. -Beefy, stackable ball corners. -Double anchor industrial rive…


MI Audio Blues Pro overdrive guitar effects pedal demo with Strat & Fender Blues Jr amp

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2*8W @4Ω HiFi TPA3123 Class-D Audio Amplifier Board


2*8W @4Ω HiFi TPA3123 Class-D Audio Amplifier Board


$10.99


4*100 watt @ 4ohm, TK2050 D-class Audio Amplifier Board


4*100 watt @ 4ohm, TK2050 D-class Audio Amplifier Board


$40.00


TDA8920 Class D Amplifier board/ audio Power AMP 2X100W


TDA8920 Class D Amplifier board/ audio Power AMP 2X100W


$28.00


4*100 watt @ 4ohm, TK2050 D-class Audio Amplifier Board


4*100 watt @ 4ohm, TK2050 D-class Audio Amplifier Board


$50.00


NEW DIY 90W+90W TA2022 Audio Amplifier Board for T-AMP


NEW DIY 90W+90W TA2022 Audio Amplifier Board for T-AMP


$28.99


SONY AUDIO AMPLIFIER BOARD MODEL PFM - 42V1


SONY AUDIO AMPLIFIER BOARD MODEL PFM – 42V1


$79.21


2 x 68 Watt LM3886 + NE5532 Audio Amplifier Board Kit


2 x 68 Watt LM3886 + NE5532 Audio Amplifier Board Kit


$14.99


 SONY PFM-42V1 AUDIO AMPLIFIER BOARD 6870T652S13


SONY PFM-42V1 AUDIO AMPLIFIER BOARD 6870T652S13


$79.99


2 x 68W Watt LM3886 + NE5532 Audio Amplifier Board


2 x 68W Watt LM3886 + NE5532 Audio Amplifier Board


$13.99


2 x 68W Watt LM3886 + NE5532 Audio Amplifier Board


2 x 68W Watt LM3886 + NE5532 Audio Amplifier Board


$13.71


LM3886+NE5532 AUDIO POWER AMPLIFIER BOARD 68W+68W


LM3886+NE5532 AUDIO POWER AMPLIFIER BOARD 68W+68W


$23.00


2 X LM1875+NE5532 class A Audio Amplifier Board


2 X LM1875+NE5532 class A Audio Amplifier Board


$4.25


2 x 68 Watt LM3886 + NE5532 Audio Amplifier Board Kit


2 x 68 Watt LM3886 + NE5532 Audio Amplifier Board Kit


$13.99


2 x 68W Watt LM3886 + NE5532 Audio Amplifier Board


2 x 68W Watt LM3886 + NE5532 Audio Amplifier Board


$13.99


2*2W @ 4O PAM8803 Class-D Audio Amplifier Board Simple


2*2W @ 4O PAM8803 Class-D Audio Amplifier Board Simple


$5.39


2*2W@4O PAM8803 Class-D Audio Amplifier Board Advanced


2*2W@4O PAM8803 Class-D Audio Amplifier Board Advanced


$7.19


2*2W@4Ω PAM8803 Class-D Audio Amplifier Board Advanced


2*2W@4Ω PAM8803 Class-D Audio Amplifier Board Advanced


$7.19


2*8W @4Ω HiFi TPA3123 Class-D Audio Amplifier Board


2*8W @4Ω HiFi TPA3123 Class-D Audio Amplifier Board


$10.99


2*8W 4Ω TPA3123 Class-D Audio Amplifier Board Assembled


2*8W 4Ω TPA3123 Class-D Audio Amplifier Board Assembled


$10.99


2*15 watt @ 4ohm, TA2024 D-class Audio Amplifier Board


2*15 watt @ 4ohm, TA2024 D-class Audio Amplifier Board


$11.99


2*100w 4Ω TK2050 Tripath Class-D Audio Amplifier Board


2*100w 4Ω TK2050 Tripath Class-D Audio Amplifier Board


$39.99


2 x 68W Watt LM3886 + NE5532 Audio Amplifier Board


2 x 68W Watt LM3886 + NE5532 Audio Amplifier Board


$13.99


2*15 watt @ 4ohm, TA2024 D-class Audio Amplifier Board


2*15 watt @ 4ohm, TA2024 D-class Audio Amplifier Board


$13.95


2*25W @4Ω TPA3123 Class-D Audio Amplifier Board


2*25W @4Ω TPA3123 Class-D Audio Amplifier Board


$22.99


2*25W @4O TPA3123 Class-D Audio Amplifier Board


2*25W @4O TPA3123 Class-D Audio Amplifier Board


$22.99


2*25W @4O TPA3123 Class-D Audio Amplifier Board


2*25W @4O TPA3123 Class-D Audio Amplifier Board


$22.99


2 x 68 Watt LM3886 + NE5532 Audio Amplifier Board Kit


2 x 68 Watt LM3886 + NE5532 Audio Amplifier Board Kit


$13.99


2*15 watt @ 4ohm, TA2024 D-class Audio Amplifier Board


2*15 watt @ 4ohm, TA2024 D-class Audio Amplifier Board


$9.95


New - 300W LME49810 Mono channel Audio Amplifier Board


New – 300W LME49810 Mono channel Audio Amplifier Board


$44.99


TA2024 2x15 Watt D-class Audio Amplifier Panel Board


TA2024 2×15 Watt D-class Audio Amplifier Panel Board


$19.99


TA2024 2x15 Watt D-class Audio Amplifier Panel Board


TA2024 2×15 Watt D-class Audio Amplifier Panel Board


$19.99


TA2024 2x15 Watt D-class Audio Amplifier Panel Board


TA2024 2×15 Watt D-class Audio Amplifier Panel Board


$19.99


TA2024 2 x 15w D-class Audio DIY Amplifier Panel Board


TA2024 2 x 15w D-class Audio DIY Amplifier Panel Board


$19.99


2*25W @4Ω TPA3123 Class-D Audio Amplifier Board


2*25W @4Ω TPA3123 Class-D Audio Amplifier Board


$17.40


2*100w 4Ω TK2050 Tripath Class-D Audio Amplifier Board


2*100w 4Ω TK2050 Tripath Class-D Audio Amplifier Board


$29.20


Tripath TA2020 PCB 25Watt Class-T Audio Amplifier Board


Tripath TA2020 PCB 25Watt Class-T Audio Amplifier Board


$15.99


2 X LM1875+NE5532 class A Audio Amplifier Board-2


2 X LM1875+NE5532 class A Audio Amplifier Board-2


$10.88


2*25W @4Ω TPA3123 Class-D Audio Amplifier Board


2*25W @4Ω TPA3123 Class-D Audio Amplifier Board


$22.99


2*25W @4Ω TPA3123 Class-D Audio Amplifier Board


2*25W @4Ω TPA3123 Class-D Audio Amplifier Board


$22.99


2*25W @4Ω TPA3123 Class-D Audio Amplifier Board


2*25W @4Ω TPA3123 Class-D Audio Amplifier Board


$17.40


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