Expert McIntosh MX110 Restoration Service: The McIntosh MX110 is a legendary vintage tuner-preamp manufactured from 1961 to 1972, representing one of the most iconic pieces of McIntosh's golden era. At Tek Media Group, we have over 15 years of experience restoring vintage McIntosh equipment. Our technicians understand the unique challenges of these classic tube/transistor hybrid units and use period-correct and high-quality modern equivalent components for restoration.

Common MX110 Problems & Failures

Power Supply Issues

Failed filter capacitors causing hum and noise
Selenium rectifier failure and toxic fumes
Voltage regulator tube (0A2) aging or failure
Power transformer overheating
Fuse blowing due to capacitor shorts

Audio Circuit Failures

Aged coupling capacitors causing loss of bass response
Noisy or intermittent tone controls
Scratchy volume control potentiometers
Channel imbalance due to component drift
Output coupling capacitor leakage

Tuner & Switching Problems

FM tuner alignment drift causing poor reception
Oxidized relay contacts causing intermittent audio
Worn input selector switches
Tuning dial string breakage or slippage
Tuner lamp failures affecting dial illumination

Recommended Component Replacements

Component Type	Location/Function	Recommended Replacement	Failure Symptoms
Electrolytic Capacitors	Power Supply Filter	Nichicon KG/KL series, Rubycon YXG	120Hz hum, reduced bass, distortion
Selenium Rectifier	Power Supply	Silicon diode bridge (1N4007)	Foul odor, loss of power, overheating
Coupling Capacitors	Audio Signal Path	Audyn Cap, Solen, WIMA film caps	Loss of bass, muddy sound, blocking
Paper-in-Oil Capacitors	Tone Circuit	Modern film capacitors (polyester/polypropylene)	Leakage, noise, tone control failure
Carbon Comp Resistors	Throughout Circuit	Metal film resistors (where appropriate)	Noise, value drift, thermal instability

Our Repair Solutions

Complete Restoration Package

Full electrolytic capacitor replacement
Selenium rectifier upgrade to silicon diodes
Coupling capacitor replacement with premium film caps
Power supply rebuild and voltage testing
Contact cleaning and lubrication

Tuner Section Service

FM alignment and optimization
AM alignment if applicable
Tuning string replacement
Dial lamp replacement with period-correct bulbs
Tuning capacitor cleaning

Testing & Calibration

Full frequency response testing
THD+N measurements
Tone control calibration
Channel balance verification
48-hour burn-in and stability testing

Need McIntosh MX110 Repair?

Contact Tek Media Group for professional restoration service. We offer nationwide shipping and Southern California local service.

Call (818) 244-4440

Free diagnostic assessment for all McIntosh MX110 units

MX110 Technical Specifications

Manufacturing Details

Years Manufactured: 1961 - 1972

Original MSRP: $344 (1961)

Product Type: Tuner-Preamp

Audio Specifications

Frequency Response: 20Hz - 20kHz ±0.5dB

THD: <0.5%

Input Sensitivity: 2.5mV (phono), 250mV (line)

Service Notes

Typical Repair Time: 3-4 Weeks

Warranty: 1 Year on Repairs

Service Areas: Nationwide + Southern California

Why Choose Tek Media Group?

✓ McIntosh Specialists: Exclusive focus on vintage McIntosh equipment repair
✓ Period-Correct Parts: We source original and premium modern equivalents
✓ Nationwide Service: Secure shipping with insurance available
✓ Diagnostic Report: Detailed analysis of all issues found
✓ Preventive Maintenance: Recommendations for future reliability
✓ Southern California Local Service: Serving Los Angeles, Ventura, Riverside, and San Bernardino Counties