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Double Bass Three Walter Woods Ultras on ebay

#21
I have MI 225-8 2 channel WW (green light) amp. It has a stereo/mono switch. Is this the model that is bridged?
I recall having Walter repair the power supply about ten years ago. It's a great sounding amp. Perhaps even better sounding than my Focus 2R III. But in some venues there is a low level hum detectable.

BG
 
#22
bribass said:
I have MI 225-8 2 channel WW (green light) amp. It has a stereo/mono switch. Is this the model that is bridged?
I recall having Walter repair the power supply about ten years ago. It's a great sounding amp. Perhaps even better sounding than my Focus 2R III. But in some venues there is a low level hum detectable.

BG
Click to expand...

Bribass,
Well, here's what I know. Once Walter started building Electro Acoustics the green light represented a true stereo amplifier. The earlier MI 225's had a mono/stereo switch that seperated the preamplifier outputs sending Channel 1 to the power amp and Channel 2 to a "slave power amplifier" that Walter used to build for this purpose. I don't believe you can
run that amplifier in "stereo" since apparently there are two mono power amplifiers conceted in someway that achieve the 225 Watts.


Ric
 
#24
Ric Vice said:
All three of the Walter Woods Ultras are no longer listed on ebay. So I guess they all sold for at least $2,300.00 each.
Walter's amplifiers seem to be holding their value quite well.


Ric
Click to expand...
One blue light sold for $2300 on 7/16. It appeared that the bidder was prepared to pay more.

Another sold 7/15 for $2900 including a Moradian gig bag. There were two bidders competing on that one.

The third ended early without a documented sale. It was listed at $2400. Could be lots of reasons behind that.

Overall I'd say they are selling for very strong prices. It's very unusual for things like that to take on appreciating values while so new.

Be interesting to see if the bottom drops out some day. I wouldn't be for or against that.
 
#25
Ric Vice said:
... Once Walter started building Electro Acoustics the green light represented a true stereo amplifier.
Click to expand...
To the best of my knowledge, pilot light colors have always represented relative power output levels on WW amps -- not mono or stereo. On the WW Electracoustic models (mid 90's to present), as well as some of the earlier amps, stereo models have red top and bottom covers, while mono units have black covers.
 
#26
robgrow said:
To the best of my knowledge, pilot light colors have always represented relative power output levels on WW amps -- not mono or stereo. On the WW Electracoustic models (mid 90's to present), as well as some of the earlier amps, stereo models have red top and bottom covers, while mono units have black covers.
Click to expand...

Thanks for the clarification, Rob I. When Walter offered three different power options for the MI series he used Red for the 100 watt, Amber for the 400 watt, and Blue for the 600 watt.
There was a mono version of the Electro Acoustic that used the green light and if it had a "red top" it was stereo.

Ric
 
#27
Ric Vice said:
Thanks for the clarification, Rob I. When Walter offered three different power options for the MI series he used Red for the 100 watt, Amber for the 400 watt, and Blue for the 600 watt.
There was a mono version of the Electro Acoustic that used the green light and if it had a "red top" it was stereo.

Ric
Click to expand...
Does that MI series have phase switches still or did they go away before that? I didn't realize he had that high of power with the earlier preamps.
 
#28
From the Walter Woods mega thread on the TB BG side, an excerpt from a post by brianrost on 8-12-2005...

brianrost said:
Currently you can order:

High Power (green light) 300W @8, 450W @4 ohms -M300
Super High Power (amber light) 650W @4 ohms -M500
Ultra High Power (blue light) 800W @8, 1200w @4 ohms -M800
High Power Stereo (green light) 1000w bridged or 2 x 350W
Click to expand...

While current WW Electracoustic stereo amps have a green pilot light, not all amps with a green pilot light are stereo.
 
#29
I guess I was thinking about the previous model line.

Let me ask this in a different and more to the point way.

What is the highest power amp available where Walter still included phase switches?
 
#30
Uncletoad said:
Does that MI series have phase switches still or did they go away before that? I didn't realize he had that high of power with the earlier preamps.
Click to expand...
Phil, Two channel WW amps from mid 70's to late 80's (with red anodized aluminum front panels) have a phase reverse switch on channel one.

Uncletoad said:
I guess I was thinking about the previous model line.

Let me ask this in a different and more to the point way.

What is the highest power amp available where Walter still included phase switches?
Click to expand...
I think the highest power level was about 400 watts. No ultras back then.
 
#31
robgrow said:
Phil, Two channel WW amps from mid 70's to late 80's (with red anodized aluminum front panels) have a phase reverse switch on channel one.

I think the highest power level was about 400 watts. No ultras back then.
Click to expand...
That's enough power. My string bass instructor has a Woods like that. It sounds better to me than my Ultra. What's that called?
 
#32
I've only ever played through a Woods 1 time-it was Larry Kohut's [probably butchering the spelling] @ The Green Mill in Chicago for a gig where John McLean brought his CCPA Group [i played bass for it] to play in the 2nd set of high Toys for Tots Concert.

That amp was so small, but sounded great. This is by no means a clear opinion-i ended up playing his bass [not enough room for 2 DBs in the stage area] through his amp. I liked em both though. Plus the thing didn't even come up to my knee.

Those amps are out of my predicted price range now-let alone in the future.
 
#35
robgrow said:
Interesting, as I've never seen one, and I'm pretty sure a stereo red light is not in the current lineup, which was what I was trying to refer to.
Click to expand...

They were made up until the early 2000's, although I believe I saw it still listed in a very recent manual. I've seen 2 used ones for sale, both owned by guitar players. The amp was rather limited as it would only go down to 8 ohms per side @100 watts. Also it was not bridgeable. Sold both new and used for about $1300.
 
#36
robgrow said:
Phil, Two channel WW amps from mid 70's to late 80's (with red anodized aluminum front panels) have a phase reverse switch on channel one.

I think the highest power level was about 400 watts. No ultras back then.
Click to expand...

I believe my MI 225-8 to be c. 1984 or '85. I bought it used in '95 and the previous owner said she bought it from Walter ten years earlier.

It has the red anodized face, black top & bottom. On the bottom it says: Line Power 300 watts.

It has a green light, 2 channels, a Mono/Stereo switch and channel 1 has a phase reversal switch, both channels have a bass +/- switch and a treble +/- switch.

Ric, is this the model that in stereo is supposed to sendChannel 2 to a "slave power amplifier"?

B String, the one that Walter cannot fix the power supply to?

Thanks, BG
 
#37
bribass said:
I believe my MI 225-8 to be c. 1984 or '85. I bought it used in '95 .... On the bottom it says: Line Power 300 watts.
Click to expand...
You can tell the actual date of manufacture from the serial number, which is stamped on the edge of the heatsink. (You may have to remove the top cover to see the serial number on some amps.) BTW Line power is the amount of power in watts that the amp draws from the AC mains, and does not indicate the audio power output.
 
#38
robgrow said:
You can tell the actual date of manufacture from the serial number, which is stamped on the edge of the heatsink. (You may have to remove the top cover to see the serial number on some amps.) BTW Line power is the amount of power in watts that the amp draws from the AC mains, and does not indicate the audio power output.
Click to expand...

yea, serial # is scratched out on the edge of the heatsink.

bri
 

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