Marantz 2270 70WPC Receiver – Black Face – WC-22 Wood Case – Restored – 1-Year Warranty

$4,299

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  • Marantz 2270 AM/FM stereo receiver
  • 70 W per channel into 8 ohms
  • Phono inputs and AUX input repaired
  • Power supply regulator repaired; filter and supply capacitors replaced
  • Marantz WC-22 Wood Case – included with this receiver
  • Backed by our 1-Year HQaudios Warranty

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SKU: 15TTE0400 - VS24 Categories: , ,

Marantz 2270 70WPC Receiver – Black Face – WC-22 Wood Case – Restored – 1-Year Warranty
SOUND DEMO / AUDIO EXPERIENCE

Sound Demo

For the best audio experience, please use headphones or external speakers.

Presale – Marantz 2270 70WPC Receiver – Black Face – WC-22 Wood Case – Restored – 1-Year Warranty
Professionally Restored by HQaudios – Black Faceplate & WC-22 Wood Case – Backed by Our 1-Year Warranty

KEY HIGHLIGHTS
Marantz 2270 AM/FM stereo receiver
70 W per channel into 8 ohms
Phono inputs and AUX input repaired
Power supply regulator repaired; filter and supply capacitors replaced
Marantz WC-22 Wood Case – included with this receiver
Backed by our 1-Year HQaudios Warranty

PRODUCT OVERVIEW
The Marantz 2270 is a classic 1970s stereo receiver rated at 70 W per channel into 8 ohms. This unit features a black faceplate, Marantz’s signature blue-lit dial and Gyro-Touch tuning.
It offers AM/FM reception, two phono inputs, AUX and tape connections, and full bass, mid and treble tone controls.
This receiver comes with a Marantz WC-22 Wood Case. HQaudios serviced the phono inputs, AUX signal path and power-supply circuitry while preserving the classic Marantz design.


HQAUDIOS RESTORATION & TESTING

Before Restoration
When we received this Marantz 2270, we performed a complete visual, electrical and functional inspection before beginning the restoration process.
Phono 1 and Phono 2 were not working, and the AUX input sounded muffled. The inspection found the phono input wiring reversed between Phono 1 and Phono 2, and a failed voltage regulator in the power supply.

During Restoration
We restored this Marantz 2270 to HQaudios restoration standards while preserving the original Marantz design.
Phono Inputs: The reversed Phono 1 / Phono 2 input wiring was corrected and both phono inputs restored to normal operation.
Power Supply & Regulator: The failed voltage regulator was repaired, restoring clear sound on the AUX input. A 5B2 diode and four semiconductors (S40442 ×2, S40443 ×2) were replaced.
Capacitor Replacement: Capacitors were replaced: 470 µF / 100 V (×2), 2200 µF / 63 V (×2), 470 µF / 35 V and 10 µF / 50 V (×10).
Switches: Selector and function switches were cleaned.
Cleaning & Detailing: The chassis, black faceplate, knobs and WC-22 wood case were cleaned and detailed.

After Restoration / Final Testing
After the restoration was completed, the unit underwent final functional and listening tests.
Amplifier Output: Both channels were checked for proper, balanced output.
Controls & Switches: Volume, balance, tone controls, selectors and switches were checked for smooth, noise-free operation.
Tuner Operation: AM/FM reception, tuning and dial illumination were checked.
Inputs & Outputs: Phono, tape and auxiliary inputs and the speaker outputs were checked.
Phono & AUX: Phono 1, Phono 2 and AUX were checked for clean, full-range sound.
Listening Test: The receiver was evaluated using real music playback over an extended session.
Final QC: A complete visual and functional quality-control inspection was completed before release.

CONDITION

Technical Condition
Phono Inputs: Repaired – Phono 1 and Phono 2 operating
AUX Input: Clear sound restored
Power Supply: Regulator repaired; capacitors replaced
Tuner: AM/FM reception working

Cosmetic Condition
Faceplate: Black faceplate with classic Marantz dial, lettering and control layout
Wood Case: Marantz WC-22 wood case included
Overall Presentation: A restored vintage receiver with a black faceplate and WC-22 wood case. Please review all photos for exact cosmetic details.

Phono Inputs Repaired
Power Supply Repaired
Capacitors Replaced
Final Listening Test Completed

SPECIFICATIONS
Brand: Marantz
Model: 2270
Type: AM/FM Stereo Receiver
Era: 1971 – 1974
Rated Power Output: 70 W per channel into 8 ohms
Total Harmonic Distortion: 0.3%
Tuning Bands: FM / AM
Inputs: Phono 1, Phono 2, AUX, Tape
Speaker Impedance: 4 – 16 ohms
Dimensions: approx. 17.3 W × 5.4 H × 14 D in
Weight: approx. 38.5 lbs (receiver without wood case)

WHAT IS INCLUDED
1 × Marantz 2270 Stereo Receiver
1 × Marantz WC-22 Wood Case
Only the items specifically listed above are included. Speakers, cables and other accessories shown for demonstration are not included.

SHIPPING & PACKAGING
Your vintage audio equipment will be professionally packed by HQaudios using protective materials appropriate for its size, weight, and construction. Large or heavy items may be palletized and shipped by freight when required for safer transportation.
HQaudios Professional Shipping and Packaging
Please contact us before purchase for the most current availability information.

1-YEAR WARRANTY & CUSTOMER SUPPORT
Your purchase is backed by our 1-Year HQaudios Warranty. Our team provides support before and after your purchase. If you have questions about setup, operation, compatibility, or your order, please contact HQaudios for assistance.

MORE FROM HQAUDIOS

HQaudios Vintage Audio Repair and Restoration
HQaudios Custom Audio Projects

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