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Thread: Wanted Bias Meter for valve amplifier

  1. #1
    Join Date: Aug 2017

    Location: Derbyshire

    Posts: 19
    I'm Malcolm.

    Default Wanted Bias Meter for valve amplifier

    Looking for a Bias meter for a valve amplifier to adjust and set when required

    have looked at a decent multi-meter (Fluke) but seem overkill for this. Also considered the cheapo Chinese metres but advised they can be unreliable and inaccurate

    Suggestions and offers appreciated

  2. #2
    Join Date: Oct 2012

    Location: NE England

    Posts: 4,173
    I'm Jez.

    Default

    There's no such thing as such. One of those cheapo Chinese multimeters is way more than good enough for your needs. £5 should do it.
    Arkless Electronics-Engineered to be better. Tel. 01670 530674 (after 1pm)

    Modded Thorens TD150, Audio Technica AT-1005 MkII, Technics EPC-300MC, Arkless Hybrid MC phono stage, Arkless passive pre, Arkless 50WPC Class A SS power amp, (or) Arkless modded Leak Stereo 20, Modded Kef Reference 105/3's
    ReVox PR99, Studer B62, Ferrograph Series 7, Tandberg TCD440, Hitachi FT-5500MkI, also FT-5500MkII
    Digital: Yamaha CDR-HD1500 (Digital Swiss army knife-CD recorder, player, hard drive, DAC and ADC in one), PC files via 24/96 sound card and SPDIF, modded Philips CD850, modded Philips CD104, modded DPA Little Bit DAC. Sennheiser HD580 cans with Arkless Headphone amp.
    Cables- free interconnects that come with CD players, mains leads from B&Q, dead kettles etc, extension leads from Tesco

  3. #3
    Join Date: Aug 2017

    Location: Derbyshire

    Posts: 19
    I'm Malcolm.

    Default

    Thank Jez
    I looked at the ones sold by Srewfix for example but lots of site reviews say how poor/useless they are

    Any brand or model you could recommend?


    Quote Originally Posted by Arkless Electronics View Post
    There's no such thing as such. One of those cheapo Chinese multimeters is way more than good enough for your needs. £5 should do it.

  4. #4
    Join Date: Oct 2012

    Location: NE England

    Posts: 4,173
    I'm Jez.

    Default

    Quote Originally Posted by Eaton Mess View Post
    Thank Jez
    I looked at the ones sold by Srewfix for example but lots of site reviews say how poor/useless they are

    Any brand or model you could recommend?
    Screwfix ones will be fine and probably 10 x better than needed for this....
    Arkless Electronics-Engineered to be better. Tel. 01670 530674 (after 1pm)

    Modded Thorens TD150, Audio Technica AT-1005 MkII, Technics EPC-300MC, Arkless Hybrid MC phono stage, Arkless passive pre, Arkless 50WPC Class A SS power amp, (or) Arkless modded Leak Stereo 20, Modded Kef Reference 105/3's
    ReVox PR99, Studer B62, Ferrograph Series 7, Tandberg TCD440, Hitachi FT-5500MkI, also FT-5500MkII
    Digital: Yamaha CDR-HD1500 (Digital Swiss army knife-CD recorder, player, hard drive, DAC and ADC in one), PC files via 24/96 sound card and SPDIF, modded Philips CD850, modded Philips CD104, modded DPA Little Bit DAC. Sennheiser HD580 cans with Arkless Headphone amp.
    Cables- free interconnects that come with CD players, mains leads from B&Q, dead kettles etc, extension leads from Tesco

  5. #5
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 6,869
    I'm Lawrence.

    Default

    After a bit of research I went with this model, might be cheaper if you dig around.

    Look at this on eBay http://www.ebay.co.uk/itm/162403507156

    Sent from my NEM-L51 using Tapatalk

  6. #6
    Join Date: Oct 2012

    Location: NE England

    Posts: 4,173
    I'm Jez.

    Default

    Fine but massively better than needed for setting bias!
    Arkless Electronics-Engineered to be better. Tel. 01670 530674 (after 1pm)

    Modded Thorens TD150, Audio Technica AT-1005 MkII, Technics EPC-300MC, Arkless Hybrid MC phono stage, Arkless passive pre, Arkless 50WPC Class A SS power amp, (or) Arkless modded Leak Stereo 20, Modded Kef Reference 105/3's
    ReVox PR99, Studer B62, Ferrograph Series 7, Tandberg TCD440, Hitachi FT-5500MkI, also FT-5500MkII
    Digital: Yamaha CDR-HD1500 (Digital Swiss army knife-CD recorder, player, hard drive, DAC and ADC in one), PC files via 24/96 sound card and SPDIF, modded Philips CD850, modded Philips CD104, modded DPA Little Bit DAC. Sennheiser HD580 cans with Arkless Headphone amp.
    Cables- free interconnects that come with CD players, mains leads from B&Q, dead kettles etc, extension leads from Tesco

  7. #7
    Join Date: May 2014

    Location: Solihull

    Posts: 717
    I'm Martin.

    Default

    A half decent multi meter is always a useful tool to have around the tool box
    Lumley Heliosphere Audiomods 5
    Voyd Valdi AN Arm 1 V2 and Denon MC
    Audiomeca Talisman Highly Modded
    Audiomeca Kreatura &,SW1X DAC1
    Hovland HP200 MC
    Hovland Radia
    Ming Da 805 monos
    Magnum Dynalab Etude, RWA Cassabria + LCD 3
    Wilson Benesch Actors
    Cables by Cardas, Hovland G3 and Yter

  8. #8
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,012
    I'm AudioAl'sArbiterForPISHANTO.

    Exclamation *** Cheapo Chinese multi-meters... WARNING, BUYER BEWARE!!!!! ***

    F.A.O Malcolm (the OP) and all other members,

    I have it on good authority from another one of our members, who is also a qualified electrical engineer, but who doesn't wish to be named on the thread, that these cheap unbranded multi-meters are dangerous, as he has had experience with them and has seen the evidence for himself of how dangerous they can be!!

    The danger is that if the OP, or anyone else decides to test mains voltage with it, then there could be a major Arc Flash incident, resulting in possible burns and eye damage, due to UV radiation generated. Apparently these metres have been subject to no CE testing or approval, and that any indication to the contrary, it is liable to be fake!

    I cannot comment, as I've never used one. I'm simply passing on a message from someone who's knowledge and experience I trust. Therefore, PLEASE CONSIDER THE ABOVE WARNING VERY CAREFULLY before thinking about buying one of these items.

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & reg mods]. Funk Firm APM Achromat/Nagaoka GL-601 Crystal Record Weight/Isonoe feet & boots/Ortofon RS-212D/Denon DL-103GL in Denon PCL-300 headshell with Funk Firm Houdini/Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp/Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new, by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. LDR Stereo Coffee. Power Amps: Tube Distinctions Copper Amp fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.


    Protect your HUMAN RIGHTS and REFUSE ANY *MANDATORY* VACCINE FOR COVID-19!

    Also **SAY NO** to unjust 'vaccine passports' or certificates, which are totally incompatible with a FREE society!!!


  9. #9
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 6,089
    I'm Alan.

    Default

    It's a timely reminder Marco, as my experience with Chinese goods shows that the CE mark means absolutely zilch.

    It is applied for marketing purposes only, there are many glaring non conformities with lots (not all) of Chinese kit.

  10. #10
    Bigman80 Guest

    Default

    Mine is probably the most dangerous one ever made lol good job I only use it to check for continuity

    Sent from my EVA-L09 using Tapatalk

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