Month: September 2021

Lakland Darryl Jones 5 bass guitar @shroprockdocto…

Lakland Darryl Jones 5 bass guitar @shroprockdocto…

Lakland Darryl Jones 5 bass guitar @shroprockdoctor this morning. This new instrument has come in for a string change & setup. Thanks Mr Graham for your continued use of Shroprockdoctor services. #guitarfx #guitar #rackeffects #guitarpedals #homerecordingstudio #guitarrepair #guitartech #guitaramplifier #guitaramp #amplifier #bassamplification #bridgnorthbusiness #shropshirebusiness #audiorepair #laklandbass #bassguitar #bassplayer View this post on Facebook

Warwick Rock Bass @shroprockdoctor brought in by A…

Warwick Rock Bass @shroprockdoctor brought in by A…

Warwick Rock Bass @shroprockdoctor brought in by Andy with the complaint that it eats PP3 9v batteries. The wiring left a lot to be desired with some poor soldering so that seemed the obvious place to start, tidy it all up. Got it all looking pretty but after 3 days without a jack inserted the […]

Ampeg SVT Pro 4 @shroprockdoctor back in full work…

Ampeg SVT Pro 4 @shroprockdoctor back in full work…

Ampeg SVT Pro 4 @shroprockdoctor back in full working order. Replaced the front panel power switch as the original had gone into meltdown internally. Complimentary clean of the pots & sockets as the cabinet was open. Can’t do enough for a new customer 😉 #guitarfx #guitar #rackeffects #homerecordingstudio #guitarrepair #guitartech #guitaramplifier #guitaramp #amplifier #bassamplification #ampeg […]

Back in full working order @shroprockdoctor the En…

Back in full working order @shroprockdoctor the En…

Back in full working order @shroprockdoctor the Engl Powerball E645 belonging to Mr Andy Southwell of ‘Marshall Law ‘ & currently ‘Vicious Nature’ bands. Given a new full set of JJ tubes & a rebias she is back to operating as she should. #guitarfx #guitar #rackeffects #homerecordingstudio #guitarrepair #guitartech #guitaramplifier #guitaramp #amplifier #bridgnorthbusiness  #shropshirebusiness #audiorepair […]

Finally today @shroprockdoctor a peek inside the t…

Finally today @shroprockdoctor a peek inside the t…

Finally today @shroprockdoctor a peek inside the troublesome Peavey Classic 50 /50 stereo tube guitar power amplifier. Lots of glass (jj Tesla), lots of fuses & what’s that burned looking 20mm glass fuse in the little draw of the iec socket? 🤔 Given the recent history of this amp much more investigation is required as […]

Warwick Rock Bass @shroprockdoctor. Another of Mr …

Warwick Rock Bass @shroprockdoctor. Another of Mr …

Warwick Rock Bass @shroprockdoctor. Another of Mr Andy (Vicious Nature) Southwell’s pieces of gear. Brought in for issues related to battery life. Lots of wires in this little bass with it’s active eq circuitry. Signs of previous rewire or Repair but generally very messy so the obvious starting point was to remove everything, tidying bad […]

Diagnosis @shroprockdoctor found the root cause of…

Diagnosis @shroprockdoctor found the root cause of…

Diagnosis @shroprockdoctor found the root cause of the fault to be a bad tube. The front panel monitor of output tubes gave no indication of a fault. Tubes removed, plate voltages were measured & confirmed before taking measurements with the bias probes. Manufacturer specified range is 28 – 34mA per tube. The central push pull […]

This Peavey Classic 50 / 50 rack mount guitar powe…

This Peavey Classic 50 / 50 rack mount guitar powe…

This Peavey Classic 50 / 50 rack mount guitar power amplifier was dropped off @shroprockdoctor yesterday for repair by that Charvel wielding axeman Ed of @electriccircusuk Two previous repairs (not @shroprockdoctor may I add) proved costly & were very short lived. Time I think to find the root cause of these failures rather than just […]

On the bench today @shroprockdoctor is the second …

On the bench today @shroprockdoctor is the second …

On the bench today @shroprockdoctor is the second amplifier brought in by Mr Southwell of Vicious Nature. The Engl Power all is his amplifier of choice these days & this one has lost output. The Powerball has a front panel group of LEDs which indicate power tube failure but non of these are illuminated. Low […]

Bit of an influx of amplifier repairs @shroprockdo…

Bit of an influx of amplifier repairs @shroprockdo…

Bit of an influx of amplifier repairs @shroprockdoctor today. The first of which is this Ampeg SVT Bass monster. Brought in by Mr Andrew Southwell of Vicious Nature & Marshall Law fame. Brief was non functioning and has suffered a fall while racked, from a cabinet top. Visually no damage to be found & this […]

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