Monitor 4 upgrades
Comments
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After looking into this thread, I've decided to make this a public comment.
Refrain from being hostile in your comments towards others. Sound is too subjective of an experience to put others down for their opinions. This applies to everyone to has engaged in this discourse on this thread and others. You can peacefully speak your opinion without personally attacking others and veering off course of what the thread was originally posted about.
I personally like when people take it upon themselves to mod their gear, I do a lot of that with my own studio gear ranging from microphones to audio hardware, I have yet to crack into home audio gear like DeRod has done here but I commend him for it. If you do not have anything nice or constructive to say, then move on.
This forum will continue to degrade if frequent users continue to be negative towards others who are just sharing their experiences. Going forward, I will be more strict on how I handle these arguments that pop up from time to time. Keep it focused on audio, be friendly towards one another, don't further push this forum into a pit of negativity. We would rather have new users who are welcomed into the community than to alienate those who can bring new perspectives into the forums.
Otherwise, @DeRod, please continue with the build, I am curious to see what comes of it.
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Gardenstater wrote: »@Ryan_Soundunited Any chance we could get this schematic posted in the Vintage Speaker section under Schematics (all except SDA)? Probably only the 2nd schematic we have existing of the Peerless days.
We have three versions of this model in our post here https://forum.polkaudio.com/discussion/38755/polk-audio-speaker-wiring-schematics-amp-more-all-models-except-sda
If we can get a picture of the tweeter's rear to see what version it is, we can let you guys know which version of the schematic to use. -
Ryan_Soundunited wrote: »Gardenstater wrote: »@Ryan_Soundunited Any chance we could get this schematic posted in the Vintage Speaker section under Schematics (all except SDA)? Probably only the 2nd schematic we have existing of the Peerless days.
We have three versions of this model in our post here https://forum.polkaudio.com/discussion/38755/polk-audio-speaker-wiring-schematics-amp-more-all-models-except-sda
If we can get a picture of the tweeter's rear to see what version it is, we can let you guys know which version of the schematic to use.
Yeah. Those are the later models that came after the M4 that had 8 ohm Peerless tweeter plus 8 ohm MW6500. Those later models are the M4A which used 4 ohm tweeter and midwoofer and the M4 Series 2 that came after that.
The schematic that DeRod posted is the one that is the early one and is missing from the archives, like most of the schematics for Peerless tweeter days for some curious reason which I have never heard explained.George / NJ
Polk 7B main speakers, std. mods+ (1979, orig owner)
Martin Logan Dynamo sub w/6ft 14awg Power Cord
Onkyo A-8017 integrated
Logitech Squeezebox Touch Streamer w/EDO applet
iFi nano iDSD DAC
iPurifier3
iDefender w/ iPower PS
Custom Steve Wilson 1m UPOCC Interconnect
iFi Mercury 0.5m OFHC continuous cast copper USB cable
Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
Custom Vibration Isolation Speaker Stands and Sub Platform -
Gardenstater wrote: »Ryan_Soundunited wrote: »Gardenstater wrote: »@Ryan_Soundunited Any chance we could get this schematic posted in the Vintage Speaker section under Schematics (all except SDA)? Probably only the 2nd schematic we have existing of the Peerless days.
We have three versions of this model in our post here https://forum.polkaudio.com/discussion/38755/polk-audio-speaker-wiring-schematics-amp-more-all-models-except-sda
If we can get a picture of the tweeter's rear to see what version it is, we can let you guys know which version of the schematic to use.
Yeah. Those are the later models that came after the M4 that had 8 ohm Peerless tweeter plus 8 ohm MW6500. Those later models are the M4A which used 4 ohm tweeter and midwoofer and the M4 Series 2 that came after that.
The schematic that DeRod posted is the one that is the early one and is missing from the archives, like most of the schematics for Peerless tweeter days for some curious reason which I have never heard explained.
Maybe denote that in this case on this schematic mark it Peerless tweeter to denote it is not the SL1000 tweeter which also has been referred to as HF 1000 on some schematics. -

Needs just a little more light sanding and the clear coat to finish the 1st pair.
I think it would be cool to see what these sounds like if I swap out the MW6500 for the MW6502. Cool thing is I got 2 pair and could actually compare them to one another. Ordering some crossover parts as well."Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb. -
Nice shade of brown. Did you wipe afterwards?
The Gear... Carver "Statement" Mono-blocks, Mcintosh C2800 Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. Marantz MM7025 stereo amp. Simaudio Moon 680d DSD
“When once a Republic is corrupted, there is no possibility of remedying any of the growing evils but by removing the corruption and restoring its lost principles; every other correction is either useless or a new evil.”— Thomas Jefferson
How many flies need to be buzzing a dead horse before you guys stop beating it? -
Wouldn't it be inconsiderate to others if I didn't? 🤣 j/k
I didn't finish them with anything that's the natural color, brown. It's a walnut veneer. I just sanded them and oiled them with that cheap lemon oil. That real linseed oil is expensive!
"Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb. -



Going experiment with a new style port tube. Something like that that would reach the front with the flared opening. Same length and diameter.
"Equality is a myth to protect the weak. Some of us are strong in the Force, others are not. Only a fool believes otherwise." - Sith Proverb. -
Good idea. I changed the port diameter and length, plus flared exit on 2 of the Billet-faced 5Jr's I built. It got rid of the chuffing at higher volumes.Don't take experimental gene therapies from known eugenicists.
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George / NJ
Polk 7B main speakers, std. mods+ (1979, orig owner)
Martin Logan Dynamo sub w/6ft 14awg Power Cord
Onkyo A-8017 integrated
Logitech Squeezebox Touch Streamer w/EDO applet
iFi nano iDSD DAC
iPurifier3
iDefender w/ iPower PS
Custom Steve Wilson 1m UPOCC Interconnect
iFi Mercury 0.5m OFHC continuous cast copper USB cable
Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
Custom Vibration Isolation Speaker Stands and Sub Platform






