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1070

  1. I

    1070 Restoration

    It's been a while since I worked on a Marantz. Just fished this mid-1970s Marantz 1070. I own a 1060 and it's been restored as well. The 1060 is warmer, more tube-like. The 1070 is very clinical, very clear and such a wide dynamic range. The highs are very high and bass very low. Replaced the...
    • IASTM
    • Thread
    • 1070 marantz marantz 1070 relay
    • Replies: 5
    • Forum: Marantz Audio
  2. ocdecio

    Using a 1070 transformer on a 1040

    There is a person on FB that has a fried 1040 transformer and I was trying to help troubleshoot. I found a 1070 transformer online, but the voltages are slighgtly higher on the 1070, mainly on the secondary that feeds the power amp boards. The 1040 reads +-32V and the 1070 +-36V. I think the...
  3. greenflash

    Marantz 1070 instead of 3200 as pre amp with 140 power. Disadvantadges?

    Hi everyone I've finally laid my hands on a Marantz 140 power amp. Quite happy! For now i'm using it with a 1070 integrated amplifier as pre-amp. My final intention is to get a Marantz 3200 to drive the power amp instead of the 1070. But before making that investment I'm wondering if there...
  4. Richs_Trains

    1070 unbalanced volume

    Hey All, I have a 1070 that I have recapped the power amp, pre-amp/tone and power supply. I am able to adjust the DC offset and bias to spec of 0mv and 10mv and they hold steady for both channels. My problem is the left channel is noticeably louder a brighter than the right. I have listened...
  5. Richs_Trains

    Transistor cross reference

    Hey all, Think I might have a couple of pre amp drivers that need replacing and was wondering if anyone had the proper replacement part # for a 2SC1328 and a 2SA763. I found an NTE number (199/234) but it seems that the forum does not like NTE parts and I rely on the experience provided here...
  6. Richs_Trains

    Marantz Relay Questions

    Hey all, silly question.... how do you get the relay covers off, and do you pull the relay first. Also, is this the correct relay for a Marantz 1070 ... 653-MY2-02DC24 General Purpose Relays RELAY DPDT 24VDC RoHS Compliant Thanks Rich
  7. Richs_Trains

    1070 in the House

    Hey all, While I'm waiting for parts on the 2015, I got a 1070 from a school district listed as turns on. Well, it was in very nice shape except for the numbers scratched in the faceplate. Put it on a DBT and it did fine, so I recapped the power supply, power amp, and tone board. What a joy...
  8. greenflash

    Marantz 140 Power amp temporarily used with 1070 as pre/Power consumption

    Hi guys, I've spotted a nice Marantz 140 power amp that I still didn't receive but the problem is that I have no preamp yet to use with it. Also, the 140 does not have a power knob, so using the (un)switched outlet of another amp seems perfect. I have a 1070 amp (also a 2235B but the 1070 is...
  9. greenflash

    Marantz 1070 + 2235B (pre/power) any good?

    Hi guys I have a 2235B marantz receiver and I might get a 1070 amp anytime soon, as it's a good deal, I've been thinking to hook them together as pre/amp, is that possible? any benefit in doing that? (anyway it's ok for me I can at least have them both operational). Thanks!
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