Electric Guitar, Part 3: Recording and DIY Setup

Jazz Improvisation: Theory, Transcription, and Practice Methods

Comprehensive guide to jazz improvisation covering ii-V-I progressions, rhythm changes, modal jazz, transcription methodology, practice strategies, and essential listening across jazz history.

Music Theory Fundamentals for Producers

Essential music theory concepts for electronic music producers covering scales, chords, progressions, rhythm, basslines, and melodic writing — with practical applications for modern production.

Part 1 built the tone chain, part 2 mapped the fretboard. This part is about the two places where the instrument meets reality: the recording chain and the workbench. Both reward the same mindset — measure, adjust one variable, listen.

• Part 1 — body shapes, pickups, and the amp chain
• Part 2 — the CAGED fretboard
• Part 3 — this page: recording techniques and DIY setup.

Recording Techniques ⭐⭐

Recording electric guitar requires capturing the amplifier's tone or using direct injection (DI) with amp modeling.

Microphone Techniques

Close micing (1-3 inches from speaker): Captures speaker tone, provides isolation. Common microphones: Shure SM57 (dynamic), Royer R-121 (ribbon). Position off-center for less harsh highs.

Room micing (3-6 feet away): Captures room reverb and ambience. Creates a more natural sound when blended with close mics. Use condenser microphones for higher sensitivity.

Combination: Blend close and room mics for "big" guitar sound. Adjust balance based on genre (clean jazz: more room; distorted metal: more close).

Cabinet IRs (Impulse Responses): Digital simulations of speaker cabinets and microphones. Load into amp sims or convolution reverb. Provides consistency and flexibility.

Direct Recording

DI (Direct Injection): Guitar into interface without amplifier. Clean signal requires amp simulation or re-amping.

Re-amping: Record clean DI signal, then send to real amplifier. Allows infinite tone experimentation without re-recording.

Amp sims: Neural DSP, Kemper, Fractal amp emulations. Convenient, consistent, but some players prefer real amplifiers for dynamic response.

Guitar-Specific Considerations

Intonation: Adjust bridge saddles so 12th-fret harmonic matches 12th-fret fretted note. Poor intonation ruins recordings.

Fresh strings: Old strings produce dull, dead tone. Change before critical recording sessions.

Noise reduction: Humbucking pickups reduce hum. Use noise gates for high-gain tones.

DIY Setup and Maintenance ⭐⭐⭐

Setup measurements side view: neck relief, string action at the twelfth fret, and pickup height with typical values

Basic guitar maintenance is accessible to most players with simple tools. The order matters: relief first, then action, then pickup height — each step changes the next.

Truss Rod Adjustment

The truss rod counteracts string tension to maintain neck relief.

Process:

1. Measure relief with straightedge between frets 1 and 14.
2. Ideal relief: 0.010-0.020 inches (business card thickness).
3. Clockwise tightens (straightens neck); counterclockwise loosens (adds relief).
4. Adjust 1/4 turn at a time, allow neck to settle (1-2 hours) between adjustments.
5. Never force; if truss rod resists, stop and consult luthier.

Fret Leveling and Polishing

Uneven frets cause buzzing and dead spots. Fret leveling ensures consistent action.

Tools: Fret crowning file, leveling beam, masking tape, fret eraser, polishing compound.

Process:

1. Measure relief (neck curvature) with straightedge.
2. Adjust truss rod to achieve slight relief (0.010-0.020 inches).
3. Level frets with leveling beam (remove minimal material).
4. Crown frets (restore rounded profile).
5. Polish frets to remove scratches.
6. Check and adjust action.

Pickup Height Adjustment

Pickup height affects output and tone. Too close: magnetic pull interferes with string vibration; too far: weak output.

Process:

1. Fret low E string at last fret.
2. Adjust bridge pickup height until pickup pole piece is 3/32 inch (2.4 mm) from string.
3. Adjust neck pickup to 4/64 inch (1.6 mm) from string when fretted at last fret.
4. Balance output between neck and bridge pickups.
5. Check magnetic pull: if sustain decreases or warbling occurs, lower pickups.

Intonation

Adjust saddle position so 12th-fret harmonic matches 12th-fret fretted note.

Process:

1. Tune open string to pitch.
2. Pluck 12th-fret harmonic, check tuner.
3. Fret 12th-fret note, check tuner.
4. If fretted note is sharp: move saddle back; if flat: move forward.
5. Repeat for all strings.

Soldering Electronics

Basic soldering for pickups, pots, switches requires soldering iron, solder, wire strippers, and multimeter.

Process:

1. Desolder old connections.
2. Prepare wires (strip 1/4 inch, tin ends).
3. Apply flux to connections.
4. Heat component, apply solder (not too much).
5. Insulate connections with heat-shrink tubing.
6. Test continuity with multimeter.

Safety Precautions

• Disconnect guitar from amplifier before any internal work.
• Use soldering iron with temperature control (350-370 degrees Celsius).
• Work in well-ventilated area (solder fumes are toxic).
• Wear eye protection when filing frets.
• Use proper grounding when working with electronics.

Practice Checklist

Daily (15 minutes)

• CAGED shape focus: Practice one shape (rotate daily: C→A→G→E→D) — see Part 2
• Arpeggios: Play chord tones across all string sets for today's shape
• Chord transitions: Practice switching between adjacent CAGED shapes
• Ear training: Identify chord quality (major/minor) by ear from recordings

Weekly (30 minutes)

• Connect all 5 CAGED shapes along the fretboard in one key
• Learn one new song, identifying which CAGED shapes it uses
• Record yourself playing and review for timing and tone
• Practice one ii-V-I voicing from the jazz companion article

Monthly (1-2 hours)

• Transcribe one guitar solo, identifying CAGED shapes the player uses
• Practice CAGED system in all 12 keys (cycle of 4ths: C→F→B♭→E♭→A♭→D♭→G♭→B→E→A→D→G)
• Adjust your guitar setup (action, intonation, pickup height)
• Record a full practice session and compare to previous month

External Resources

Books:

• "The Advancing Guitarist" by Mick Goodrick — the definitive CAGED reference
• "Fretboard Logic" by Bill Edwards — systematic approach to fretboard geometry
• "Guitar Fretboard Workbook" by Barrett Tagliarino — exercises for fretboard mastery
• "Guitar Player Repair Guide" by Dan Erlewine — the setup and repair bible

Online:

• JustinGuitar — free structured lessons for all levels
• TrueFire — curated courses from professional guitarists
• StewMac — luthier tools and setup guides

YouTube:

• Rick Beato — music theory and ear training
• StewMac — guitar repair and maintenance tutorials

Continue the Series

• Part 1 — body shapes, pickups, and the amp chain: what you're actually hearing.
• Part 2 — the CAGED fretboard: what you're actually playing.
• For production-side workflows: Dub-Techno Production Workflow and the music section front page.

FAQ

How often should an electric guitar be set up? Check it with every string change and after any big temperature or humidity move. A playing instrument drifts: action creeps up, intonation wanders, relief changes with the seasons. A full setup twice a year covers most players.

Can I adjust the truss rod myself? Yes, in small steps. An eighth of a turn, re-tune, look at the relief at the 7th-9th fret. Turning clockwise straightens the neck. If it needs force or creaks, stop and hand it to a technician - truss rods are repairable once.

Mic or DI for recording electric guitar at home? Both, if you can. A dynamic mic (SM57-class) a few centimeters off-center of the cone captures the amp's character; the DI track captures the clean signal for re-amping or amp-sim later. Recorded together, you choose afterwards.

What is re-amping? Playing back a recorded clean DI signal through a real amp and cab to record it fresh. It separates the performance from the tone decision - you can fix a take's sound hours later without replaying it.