For Sale: Jeff Rowland Model 501 Monoblock Amplifiers (Pair)

Massive Power • Elegant Design • True High-End Performance

Sunny Components is proud to offer a pair of Jeff Rowland Model 501 monoblock amplifiers, one of the most respected high-power designs from Jeff Rowland Design Group. These compact yet immensely powerful amplifiers combine finesse, control, and musical authority in a beautifully machined chassis that looks as refined as it sounds.

The Model 501 is known for delivering effortless dynamics, deep bass control, and a clean, grain-free presentation — making it an outstanding match for demanding loudspeakers from brands like Rockport, Stenheim, B&W 800 Series, Wilson, Magico, and more.

These amplifiers offer the rare combination of huge power output and low heat operation, making them ideal for both reference two-channel systems and high-performance installations.

Key Highlights

✔ True monoblock design for superior channel separation
✔ 500 watts into 8 ohms / 1000 watts into 4 ohms
✔ Excellent current delivery for difficult speaker loads
✔ Fully balanced input stage for low noise and high resolution
✔ Precision-machined aluminum chassis for vibration control
✔ Compact footprint compared to most high-power amplifiers
✔ Smooth, powerful, and highly musical presentation

Specifications

Model: Jeff Rowland Model 501 Monoblock
Power Output:
• 500 W RMS @ 8Ω
• 1000 W RMS @ 4Ω

Frequency Response: 5 Hz – 45 kHz (-3 dB)
Total Harmonic Distortion: < 0.1% (typically much lower)
Dynamic Range: 120 dB
Peak Output Current: 40 Amps
Load Compatibility: 2Ω – 16Ω

Input: Balanced XLR
Input Impedance: 40kΩ balanced
Gain: Selectable internal gain (26 dB / 32 dB)
Phase: Non-inverting (Pin 2 positive)

Power Consumption:
• Idle: approx. 15 W
• Maximum: approx. 1300 W

Dimensions (each):
3.3” H × 8.4” W × 14.6” D

Weight: Approx. 17 lbs each

Condition & Inclusions

• Pair of Jeff Rowland Model 501 monoblocks
• Power cords included
• Excellent cosmetic and functional condition
• Fully tested and ready for installation

Local audition and pickup available. Professional setup and system matching available upon request.

Perfect For

🔹 High-end two-channel systems
🔹 Power-hungry loudspeakers
🔹 Large listening rooms
🔹 Audiophiles seeking refinement and authority

Contact Information

Sunny Components Inc.
1370 E Cypress Street, Suite D
Covina, CA 91724

📞 (626) 975-1353
🌐 www.sunnyaudiovideo.com

Appointments recommended for demonstrations and serious inquiries.