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After about 20 minutes of use I got a LOUD popping noise. It sounds like if you were to drop a needle onto a record very violently and the volume is set to 11. I had to run over and shut it down. To be fair, it has NOT been restored but I cleaned the pots pretty good.
Not sure what this could...
Hi, I got a denon drm 740 off an ebay seller for less than £30, it looks in great conditions and the seller stated it was in good working order....I was really looking forward to start using it!
Plugged in, power switch on, the display partly light up for half a second and then fades, the right...
Went a little crazy today and set up a few extras, i felt as though it was a good excuse.
Klipsch KSF 8.5 - 2 way
Kenwood LS P7300 - 5 way
Unknown speakers under the Kenwoods (they may be antique but i can't figure out what they are.)
Mycelium Voice MV101, MV102, MV222 (the enclosures are...
I have z bug old dc power supply from the 60s. It was originally used for running solid state systems in electro-pneumatic pipe organs and it seems quite beefy.
25A @ 15/13/12v
I plan on changing the capacitor bank to make sure it keeps performing well. Though there are a few parts in here...
So I picked up a nice set of vintage Thiel CS3.5 speakers last week. I have done some research and apparently these are very inefficient speakers and require a high current amp designed to drive 4 ohm loads well. I am looking for some recommendations for an amplifier that will be a good match...
I have always been confused by something. Well, many things but this one applies to stereo. I lived through the transition of tube to solid state, albeit young. Now that I have rediscovered my audio soul, I find myself wondering yet again about the same, unanswered question.
When you think of...
Hello everybody!
I'm building my TT, and I'm a little ignorant about motors wiring.
This is my motor, a 220VAC/50Hz Premotec.
This is my power source, a 220VAC filtered input.
This is the scheme of the wiring for my motor (parallel coils and soldered terminals)
It looks pretty simple, but...
Hi, this is my first post here on audiokarma and i am looking for some help about my speakers. Its about specifications of my Jamo laser 3000p that i cant find anywhere on web. On the back side of speaker box is only frequency range and power. Can anybody help me to find any informations about...
This amp requires power hungry speakers.Under powered speakers become Muddy and Rushed,also with the correct load this amp can upset your neighborhood. https://www.youtube.com/watch?v=C8etkAUTZVU
weighing in at 51.26 Lbs. the transformer is probably the half of weight. This is a very clean second hand purchase, with just the left channel DC offset in the high 90's. Now both right and left DC run + - 2.0
Bought this in Boulder, Colorado, in 1990 or so. I believe I paid 99 bucks for it at the time. Straight design, and with variable output knobs, I can use it without a pre-amp if I choose. I've been using it to power a pair of BA HD5 bookshelf speakers, very clean sound.
A very interesting power amp from 1979. Combines analog and digital, solid state and tube. The analog is the amplification type, digital is the auto-bias, solid state for the input section and tube output devices. With front panel NFB control! What an amp, never heard one though.
An older photo of a portion of the amp rack. I currently do not use this configuration. In fact, I only had it set up that way for a few days. From top to bottom we have:
Adcom GFA-545II
Cerwin-Vega A-1800
Bryston 2B-LP
Bryston 4B
SAE 2402
Technics SE-9060
Velodyne ULDII
Hafler DH-500