Search found 119 matches

by lovetoboogie
Tue Mar 07, 2017 9:49 am
Forum: Vintage Amps (Before 1991)
Topic: Mesa Boogie Early Mark 1 ?
Replies: 24
Views: 8278

Re: Mesa Boogie Early Mark 1 ?

that's a 74'-75' Mark I... the dress work and component type give it away. they didn't exclusively use dymo labels back then. dymos show up with consistency at the end of 1975. for serial number they used a metallic "property tag" sticker which has fallen off. looks beautifully all original except f...
by lovetoboogie
Thu Mar 02, 2017 12:36 am
Forum: Vintage Amps (Before 1991)
Topic: Redplating problem
Replies: 18
Views: 7448

Re: Redplating problem

...as Stokes has pointed out, and you have realized yourself, there has to be voltage at pin 4 of those inside sockets. With the amp powered down and no power tubes present, measure the 470 ohm resistors tied to pin 4....while you are at it measure the 2.7k resistors tied to pin 4 of the outer socke...
by lovetoboogie
Tue Feb 14, 2017 2:47 pm
Forum: Vintage Amps (Before 1991)
Topic: Redplating problem
Replies: 18
Views: 7448

Re: Redplating problem

JMMP - while not worked on a Mk4 for ages, redplating is almost exclusively a lack of bias. Lovetoboogie is steering U towards that and I reckon you'll find the culprit easily. Tubes out, track the bias supply through each component and see where it's failing. Something is dropping the voltage (pos...
by lovetoboogie
Tue Feb 14, 2017 9:55 am
Forum: Vintage Amps (Before 1991)
Topic: Redplating problem
Replies: 18
Views: 7448

Re: Redplating problem

Those pin 5 readings are too low....has the amp previously been worked on or has anyone tweaked the bias supply on this amp. Make sure you are doing the checks in high power mode, pentode, simul-class... There is a methodical way to work back through the bias supply using voltage checks to see where...
by lovetoboogie
Mon Feb 13, 2017 2:47 pm
Forum: Vintage Amps (Before 1991)
Topic: Redplating problem
Replies: 18
Views: 7448

Re: Redplating problem

With all 4 power tubes removed take readings for pin(s) 3,4 & 5... That mismatched plate voltage on pin 3 is cause for concern. Is that measurement with the tubes in or out? It could be several things that voltage checks will reveal. Bad 2.7k screen grid resistor on the outer sockets is not uncommon...
by lovetoboogie
Sun Nov 27, 2016 12:34 am
Forum: Mark Series
Topic: Mesa mk 3 no gain on the lead chanel
Replies: 3
Views: 1356

Re: Mesa mk 3 no gain on the lead chanel

I have had several Mark III's come in over time with the same symptom... first check the v3 preamp tube... if good, next check the v3 plate load resistors. Both the A & B sides. Measure voltages at Pin 1 and Pin 6...I have had to replace the v3b plate load resistor on more than one Mark III...
by lovetoboogie
Thu Oct 13, 2016 9:22 am
Forum: Vintage Amps (Before 1991)
Topic: mk1 reissue speaker transplant
Replies: 7
Views: 2715

Re: mk1 reissue speaker transplant

...also note the Mark I Re-Issues usually have the speaker wire soldered to the speaker terminals whereas the EVM12L has spring clip lugs. Before you hoist the old Celestion out make sure the speaker is unplugged from the amp and the speaker cable is not bundled with the reverb cables. It will be a ...
by lovetoboogie
Thu Oct 13, 2016 9:13 am
Forum: Vintage Amps (Before 1991)
Topic: Boogie early history & more
Replies: 25
Views: 8771

Re: Boogie early history & more

Awesome piece of writing. Very cool... It was nice to see you used one of my old Mark IIA's as a reference photo. I sold that one to a cat in Australia last year. As a side note...you have a simple typo in the Mark I control description... Input 1 is the cascading high-gain channel whereas Input 2 w...
by lovetoboogie
Thu Oct 06, 2016 1:47 pm
Forum: Boogie Classifieds
Topic: Boogies For Sale...
Replies: 1
Views: 1268

Boogies For Sale...

I have the following 4 Boogies up for grabs. All of them are 100% stage and/or studio ready. They've been completely gone through by me. In the case where any work was needed it was done to Mesa Boogie spec with all period correct components and dress work... Amps are available for Domestic or Inter...
by lovetoboogie
Sat Sep 24, 2016 1:37 am
Forum: Mark Series
Topic: Who is Still Gigging Their Vintage Mark Series Amps?
Replies: 35
Views: 17910

Re: Who is Still Gigging Their Vintage Mark Series Amps?

I use my 77' Mark I head for everything... Pedal Steel w/1x15" cab loaded with a JBL K130, Electric Guitar w/2x12" loaded with JBL K120's... I had to sub last week for a Bass player. I brought the Mark I to the gig and ran it through a Sunn 2x15". It's really is an all-purpose amp. I almost couldn't...
by lovetoboogie
Thu Sep 15, 2016 8:38 am
Forum: Boogie Classifieds
Topic: Reverb.com IS NOT TRUSTWORTHY!
Replies: 27
Views: 12821

Re: Reverb.com IS NOT TRUSTWORTHY!

I could understand the frustration over having the funds taken back but that stuff is in the fine print. It's a customer/buyer driven market. The loyalty is with the customer/buyer first. Fortunately, or unfortunately, depending on how you view it, that is the nature of business. I personally prep a...
by lovetoboogie
Wed Sep 07, 2016 11:31 pm
Forum: Vintage Amps (Before 1991)
Topic: Any idea what wood this is? 1981 Mark IIB Hardwood Combo
Replies: 24
Views: 7602

Re: Any idea what wood this is? 1981 Mark IIB Hardwood Combo

s-fresh wrote:
I never even considered koa. Pretty cool!
Awesome! I just remember the Koa Mark I's being so much lighter in tint. I love the process of elimination here...at least we know it's not elm! ;)
by lovetoboogie
Wed Sep 07, 2016 10:47 am
Forum: Vintage Amps (Before 1991)
Topic: Any idea what wood this is? 1981 Mark IIB Hardwood Combo
Replies: 24
Views: 7602

Re: Any idea what wood this is? 1981 Mark IIB Hardwood Combo

I believe the 80' catalog scans say hardwoods used were oak, mahogany, walnut or maple. If that is stained, which I believe it is, the only hardwoods they tinted or stained back then were maple. But...that grain clearly does not scream maple? I am not a wood whisperer... just my humble .02
by lovetoboogie
Tue Jul 12, 2016 11:24 am
Forum: Boogie Classifieds
Topic: 84' Mark IIC+ 1x12" Non-Simul 100/60w w/Reverb *SOLD*
Replies: 0
Views: 886

84' Mark IIC+ 1x12" Non-Simul 100/60w w/Reverb *SOLD*

Hey all... I have a very lovely IIC+ up for grabs... Serial # 138XX... 1x12" loaded with an EVM12L and STR415's X105 PT Reverb Unusually vibey and ballsy...the low-end on this is uncanny. $2600 + actual shipping... I am in NYC if anyone wants to do local pickup... My pics and blurb are here; http://...