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head amp

  1. T

    Technics SU-300MC Head Amp crackling issue

    Hi folks I'm getting frustrated with a Technics SU-300MC PrePreAmp which has persistent crackle and a big transient when the needle hits the record on the right-hand channel. Left channel is fine. It's crackling when in the bypass mode (ie not using MC), so not sure what the problem is, bar a...
    • Timloud
    • Thread
    • head amp moving coil technics
    • Replies: 14
    • Forum: Solid State
  2. Z

    Mystery Audible Illusions MX2B Head Amp

    Hello! I recently acquired this interesting piece of gear and can find absolutely nothing on it! No specs, instructions, history, anything. I contacted the company about a month ago but never got any response. I replaced and upgraded everything inside (the last pic was mid upgrade) but have no...
    • Ziconceo
    • Thread
    • audible illusions head amp pre amplifer
    • Replies: 10
    • Forum: Turntables
  3. A

    Denon HA500: Channel Imbalance, Hum, ETC

    Hi all. Picked up some gear from a local guy who's unloading some unused kit. He's very careful with his components and tends to only buy from other enthusiasts and audiophiles. When gear isn't working functioning, he usually sends it to a reputed shop in my area (Los Angeles). This is just...
  4. davstev

    Gain requirements: Ultra LOMC cartridges

    Hi all, In the past, I've used a selection of MM and MC cartridges. However, just recently, for cheap I acquired an ultra low output MC, a MC-20 by ortofon, and it needs a re-tip. The output is super low: 0.07mV. (This is the MK1 version, with the purple/blue body, circa 1980, much lower than...
    • davstev
    • Thread
    • cartridge gain head amp lomc mc moving coil ortofon phono step up transformer sut
    • Replies: 30
    • Forum: Turntables
  5. toymanmsp

    Pioneer SX-727 - Relay Issues

    Greetings everyone, I've run into an issue where the relay is not coming out of protection mode. Resources used for servicing 727 Have and use DBT Lot's of photo's DVM Transistor Tester Electronic Solder and Desolder Stations Original Service Manual Willingness to learn, I'm rather new at...
    • toymanmsp
    • Thread
    • head amp power supply board protection board protection relay sx-727
    • Replies: 76
    • Forum: Pioneer Audio
  6. mykidsbutler

    Low noise resistor replacements SX-727 head amp

    On a SX-727 head amp I have a couple low noise resistors out of spec. What is a equivalent replacement for these? Should the modern carbon films be considered?
  7. T

    Sansui AU-819 MC phono performance

    G’day all. I’m excited, but concerned at the same time. I just ordered a Rega Planar 6 with Ania MC cartridge. Specs of cartridge: Design: Moving Coil Cartridge Tracking Pressure: Between 1.75 and 2.0 grams Inovative & Unique Iron Cross And Coil Assembly Generator: One of the world’s smallest...
  8. 2channel*

    Help with connecting cans to integrated

    I got a new integrated amp. I love it, except for 2 things: 1) Only one set of speaker outputs. I am used to using the B speaker outs to drive my Stax SRD-4. I wouldn't connect my A speakers to the back of the SRD. I have to switch back and forth by connecting/disconnecting. Major PITA! 2) No...
  9. davstev

    Denon HA-500 Head amp + Hummmmmm

    Hi all, Got the lovely looking and lovely sounding HA-500 Head amp to pair with my Denon 103 Zu. Sounding great, except...... for the.... Hummmmmm It irks me, because it's sounding great except for the hum, which is pretty evident when turned up. Also it seems to be mostly in one channel, but...
    • davstev
    • Thread
    • denon ha-500 head amp headamp step up transformer step-up transformer sut
    • Replies: 17
    • Forum: Turntables
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