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| socal sam |
Posted: July 18, 2008 05:37 am
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![]() Advanced Member ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 986 Member No.: 265 Joined: July 25, 2007 |
The M-2 came out in 1979. Yamaha realized how good the design was and carried over the internal design to the pro audio PC2002M. Both amps are rated at 240 wpc into 8 ohm. The PC2002M doubles power into 4 ohm and nearly doubles again into 2 ohm! Source: Yamaha PC2002M owners manual. Both the M-2 and PC2002M manuals are available for download at Yamaha.com.
The first photo shows the M-2. This post has been edited by socal sam on July 18, 2008 05:44 am Attached Image (Click thumbnail to expand) ![]() |
| socal sam |
Posted: July 18, 2008 05:40 am
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![]() Advanced Member ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 986 Member No.: 265 Joined: July 25, 2007 |
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| dingus |
Posted: July 18, 2008 05:54 am
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![]() How can people be so cruel? Group: Admin Posts: 4734 Member No.: 3 Joined: June 29, 2006 |
those are some pretty cool amps. i really enjoy my M-2.
-------------------- Teledyne AR9, Yamaha B-2x, Yamaha M-2, Hafler DH-110, EAD DSP 1000, Wadia WT-3200.
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| clint e. |
Posted: July 18, 2008 05:59 am
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![]() D161t@L 0N L1N3 / Analog at heart Group: Moderator Posts: 6089 Member No.: 40 Joined: July 13, 2006 |
Just Smashing!!!
-------------------- ![]() " Not everything that can be counted counts, and not everything that counts can be measured " Albert Einstein![]() |
| theblackknight |
Posted: July 18, 2008 10:02 am
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Valued Member ![]() ![]() ![]() ![]() Group: Members Posts: 318 Member No.: 313 Joined: October 29, 2007 |
those look great, Sam!!!
I really can see why you'd like the 2002 that much ! -------------------- Henry
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| avionic |
Posted: July 20, 2008 04:03 pm
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![]() Sound Thinking Member ![]() Group: Members Posts: 20 Member No.: 510 Joined: July 12, 2008 |
When I was shopping for and amplifier back in 1980 at the BX in Bitburg W.Germany.The M-4 I bought was setting right next to a M-2.Wished I would have had the extra $200...I really adore the M-2's
-------------------- Eagle Keeper--EW wizard
Nak OMS-4 X2 ,OMS-7 , CR-2A,480 ,Teac 3300s Yamaha YP-701,P-750, CDX-930, T-1,C-2, C-4,C-6, M-4, M-45 X 2 2 ea ESP DIY MOSFET Amplifiers Yamaha NS-1000, NS-1000M ,NS-690 RET USAF 1978-1998 " If you can't dazzle them with Brilliance--Baffle them with Bullshit" " Lead , Follow or get the hell out of the way" |
| socal sam |
Posted: July 21, 2008 10:18 am
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![]() Advanced Member ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 986 Member No.: 265 Joined: July 25, 2007 |
TBK: The PC2002M sells for about a dollar a watt which is my standard for a good deal. Factor in how good these watts are and the PC2002M becomes a great deal.
Avionic: I wouldn't mind having an M-2. |
| Jim Eck |
Posted: July 21, 2008 10:22 am
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![]() One of Jerry's Kids Group: Moderator Posts: 3364 Member No.: 38 Joined: July 12, 2006 |
Very Cool!
That is a nice looking design, I love nudies! Jim -------------------- "Son, let this be a lesson to you: never do tequila shooters within a country mile of a marriage chapel."
- Al Bundy Fairchild 412-1B SME arm Pickering XSV-3000 GAS Thoebe Grant Fidelity B-283 California Audio Labs Delta Transport Paradesea DAC DBX-3BX-DS Sansui TU-7700 Adcom 585 Hafler Pro 500 Legacy Classic's Tube system Scott 299B, Thorens TD-160, Klipsch Heresy's |
| damage |
Posted: July 25, 2008 05:33 pm
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Sound Thinking Member ![]() Group: Members Posts: 18 Member No.: 486 Joined: June 06, 2008 |
I looked at the online manual and I didn't see anything about running into 4 ohm. But I just looked and I saw 700Watts mono which would be 350@4 ohms. Pretty respectable.
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| socal sam |
Posted: July 26, 2008 10:28 am
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![]() Advanced Member ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 986 Member No.: 265 Joined: July 25, 2007 |
By law, pro audio amps are not supposed to run speakers rated at less than 8 ohm so 4 ohm numbers are not published. Maybe this is some fire regulation... Looking at the graph of output vs. ohm, I read the numbers.
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| bolly |
Posted: January 05, 2009 04:32 am
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![]() ElectrohomePA100mk1Guy!1! Group: Charter Member Posts: 1018 Member No.: 11 Joined: July 01, 2006 |
sam, I have the SM for M-2, if you want, PM me and I can send you pics of 4 or 5 relevant pages showing testpoints/component-identification and biasing/DC Offset Instructions.
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| bolly |
Posted: January 05, 2009 04:33 am
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![]() ElectrohomePA100mk1Guy!1! Group: Charter Member Posts: 1018 Member No.: 11 Joined: July 01, 2006 |
oops!! same for you Scott!
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