Kenwood KL-777A Pair of Speakers – Professionally Restored – 1-Year Warranty

$1,699

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  • Authentic Kenwood KL-777A 4-Way 6-Driver Speaker System
  • Large 15-inch low-frequency driver for substantial bass reproduction
  • Dual 5-inch midrange drivers for the critical vocal and instrumental range
  • Dual horn tweeters with a dedicated Mylar super tweeter
  • Professionally Restored and Serviced by HQaudios
  • Drivers, crossover network, attenuators, and connections inspected and tested
  • Real-world stereo listening test performed
  • Carefully packed for safe delivery
  • 1-Year HQaudios Warranty

1 in stock

SKU: 15DQS1693 Categories: , ,

 

Kenwood KL-777A Pair of Speakers – Professionally Restored – 1-Year Warranty


Professionally Restored by HQaudios – Fully Tested – Backed by Our 1-Year Warranty.

Up for sale is the Kenwood KL-777A, a vintage 4-way, 6-driver loudspeaker system from Kenwood’s classic Japanese hi-fi era of the 1970s.

The KL-777A is distinguished by its large 15-inch woofer, dual 5-inch midrange drivers, dual horn tweeters, and dedicated Mylar super tweeter. Its classic acoustic-suspension cabinet and multi-driver architecture give this model a distinctive large-scale presentation that continues to attract vintage audio enthusiasts.

This pair has been professionally restored, serviced, and tested by HQaudios while preserving the original engineering, cabinet character, and vintage presentation of the Kenwood KL-777A.

Key Highlights

  • Authentic Kenwood KL-777A 4-Way 6-Driver Speaker System
  • Large 15-inch low-frequency driver for substantial bass reproduction
  • Dual 5-inch midrange drivers for the critical vocal and instrumental range
  • Dual horn tweeters with a dedicated Mylar super tweeter
  • Professionally Restored and Serviced by HQaudios
  • Drivers, crossover network, attenuators, and connections inspected and tested
  • Real-world stereo listening test performed
  • Carefully packed for safe delivery
  • 1-Year HQaudios Warranty

Sound Character

The Kenwood KL-777A delivers the broad, energetic presentation associated with large-format Japanese loudspeakers of the 1970s. Its 15-inch woofer provides substantial low-frequency weight, while the multi-driver arrangement gives the speaker a strong sense of scale and dynamic presence.

The dual midrange drivers help maintain a substantial and articulate center range, while the horn tweeters and dedicated super tweeter provide a lively upper-frequency presentation. The high efficiency of the KL-777A also allows it to produce a dynamic and engaging sound with moderate amplifier power.

These speakers are especially well suited to rock, jazz, blues, soul, classic pop, vocal recordings, and vintage vinyl systems where a powerful, room-filling presentation is desired.

Cosmetic Condition

This pair is in Excellent vintage cosmetic condition, with light signs of age and previous use consistent with vintage audio equipment.

Please review all photos carefully, as they are part of the description.

  • Front Baffle / Driver Areas:
    The front baffles and driver frames present very well overall, with the original multi-driver layout clearly preserved.
  • Cabinet / Veneer:
    The walnut-finish cabinets retain their classic vintage appearance and present in excellent overall cosmetic condition.
  • Controls / Tone Selector:
    The original tone selector controls are present and retain the authentic appearance of the KL-777A.
  • Drivers / Acoustic Areas:
    The visible woofer, midrange, horn tweeter, and super tweeter assemblies are intact and present cleanly overall.
  • Rear Panel / Connections:
    The rear connection areas retain their original vintage appearance.

HQaudios Restoration & Testing Process

Before Restoration

The Kenwood KL-777A pair was carefully inspected upon arrival to evaluate its overall mechanical, electrical, acoustic, and cosmetic condition.

Speakers
Particular attention was given to the 15-inch woofer, dual midrange drivers, horn tweeters, Mylar super tweeter, surrounds, voice coils, diaphragms, crossover networks, tone controls, terminals, internal wiring, enclosure integrity, and acoustic components.

The inspection results were used to determine the service work required for this specific pair.

During Restoration

Based on the inspection results, this pair was restored according to HQaudios’ technical standards while preserving the original engineering and operating characteristics of the KL-777A.

Speakers
The drivers, surrounds, crossover networks, attenuators, terminals, internal wiring, enclosure, and model-specific acoustic components were inspected and serviced.

The exterior was professionally cleaned and detailed while preserving the authentic vintage character of the Kenwood KL-777A.

After Restoration

Once restoration was completed, this pair underwent comprehensive functional testing under real operating conditions.

Speakers
Individual driver operation, frequency response, crossover integration, phase consistency, channel matching, and tone controls were tested.

Finally, the pair underwent extended real-world listening tests to evaluate sound quality, operational stability, stereo presentation, and overall performance.

Only after successfully meeting HQaudios’ restoration and testing standards was the Kenwood KL-777A pair approved and prepared for its next owner.

Drivers, Crossovers & Acoustic System

Kenwood KL-777A Driver Architecture

The KL-777A uses a large 15-inch cone woofer, dual 5-inch cone midrange drivers, dual horn tweeters, and a dedicated Mylar super tweeter. This multi-driver architecture allows the speaker to divide the audio spectrum across dedicated driver sections while maintaining the characteristic large-scale presentation of the model.

The internal crossover network and tone controls are important to maintaining proper integration between the driver sections. These areas receive particular attention throughout HQaudios’ restoration and testing process. Additional close-up photos or videos are available upon request.

Specifications

SpecificationDetails
BrandKenwood
ModelKL-777A
Type4-Way, 6-Driver Acoustic Suspension Speaker System
Low Frequency Driver1 × 15-inch Cone Woofer
Mid-Bass DriverNot Applicable
Midrange Driver2 × 5-inch Cone Midrange Drivers
High Frequency Driver2 × Horn Tweeters
Ultra-High Frequency Driver1 × Mylar Cone Super Tweeter
Nominal Impedance8 Ohms
Power Handling110 Watts
Frequency Response25Hz – 22kHz
Sensitivity97dB
Crossover / Network4-Way Internal Passive Network; 700Hz / 5kHz / 10kHz
DimensionsApprox. 24.92 × 16.57 × 11.50 inches (H × W × D) per speaker
WeightApprox. 38.1 lbs (17.3 kg) per speaker
IncludedPair of Kenwood KL-777A Speakers
ConditionProfessionally Restored / Serviced / Tested
Warranty1-Year HQaudios Warranty

What Is Included

One pair of Kenwood KL-777A Speakers.

No additional accessories are listed unless specifically shown in the photos.

Only the items clearly shown in the photos or specifically listed in the description are included.

Video Test & Sound Demo

We understand that purchasing vintage audio equipment online requires confidence.

If you would like to see or hear this Kenwood KL-777A pair in operation before purchasing, please contact us directly.
We are happy to provide additional photos, close-up images, operational videos, or sound demonstrations.

You are also welcome to visit the HQaudios YouTube channel to explore restoration projects, product demonstrations, and listening sessions featuring professionally restored vintage audio equipment.

Suggested Pairing

The Kenwood KL-777A works especially well with vintage amplifiers that provide a stable 8-ohm load and complement its efficient, dynamic presentation.

Sansui AU-717
Integrated Amplifier
Result: A strong vintage pairing for the KL-777A, combining controlled amplifier delivery with a warm, substantial presentation suited to rock, jazz, blues, and vinyl.

Pioneer SA-9800
Integrated Amplifier
Result: Its substantial power capability and clean vintage presentation complement the KL-777A’s high efficiency and large-scale driver architecture.

Kenwood KA-9100
Integrated Amplifier
Result: A natural same-era combination that provides appropriate power and a cohesive Japanese vintage hi-fi system presentation.

For the best performance, ensure that all connected equipment is electrically and mechanically compatible with the Kenwood KL-777A and properly configured before use.

Basic Use Guide

To help maintain the long-term performance of this speaker pair, we recommend the following:

  • Use amplification appropriate for an 8-ohm speaker load and the speaker’s power requirements.
  • Avoid amplifier clipping and excessive volume levels for extended periods.
  • Verify speaker polarity and wiring before powering on the amplifier.
  • Protect the exposed woofer, midrange drivers, horn assemblies, and super tweeter during handling.
  • Keep the speaker cabinets positioned securely and avoid blocking the acoustic openings or damaging the driver areas.

Please contact us if you need assistance with setup, operation, amplifier matching, speaker connection, or system configuration.

Trade-In Program

Do you have vintage audio equipment you’d like to trade in?

HQaudios welcomes trade-ins on receivers, amplifiers, speakers, cassette decks, reel-to-reel decks, turntables, and other classic audio components.

Simply send us photos and basic information about your equipment. Our team will review your items and discuss available trade-in options.

Build Your Vintage System

Looking to build a complete vintage audio system?

The Kenwood KL-777A pairs beautifully with professionally restored vintage components available from HQaudios.

Save $100 when purchasing this item together with a qualifying pair of speakers or another restored vintage audio component from HQaudios.

Please contact us before purchase so we can confirm availability and prepare a combined offer.

Shipping & Packaging

Vintage speakers are heavy and delicate and require careful packing.
This pair will be professionally packed by HQaudios for safe delivery.

  • Carefully wrapped and protected.
  • Heavy-duty protective packing materials used.
  • Extra protection around drivers, cabinets, corners, and rear terminals.
  • Speakers secured to heavy-duty pallets when required.
  • Custom wooden crating may be used when required for safe transportation.
  • Tracking information provided after shipment.
  • Signature may be required for delivery.

Local pickup may also be available by appointment.

1-Year HQaudios Warranty

This item is backed by our 1-Year HQaudios Warranty, covering proper electronic and functional operation under normal home use.

If you experience an issue, please contact us first. We are committed to helping our customers and will work with you to resolve the problem in a fair and reasonable way.

The warranty does not cover misuse, improper setup, unauthorized repair, physical damage, cosmetic wear, shipping damage after delivery, amplifier clipping, excessive power, incorrect wiring, incompatible equipment, incorrect voltage, or operation outside the manufacturer’s intended specifications.

Customer Service

Once your item arrives, if you have questions about setup, speaker connection, turntable connection, tape operation, switch settings, amplifier matching, or general operation, please contact us.

We are happy to help you get the best performance from your vintage audio system.

Important Note for Buyers

Vintage audio equipment requires proper setup, compatible supporting equipment, careful handling, and appropriate maintenance.

We do our best to describe each item clearly and provide detailed photos so you can buy with confidence. Please review all photos, read the full description, and contact us with any questions before purchase.

Always verify model-specific requirements such as speaker impedance, amplifier compatibility, wiring, and driver protection before operation.

HQaudios – Vintage Audio Restored with Care.

Professionally Restored • Fully Tested • Carefully Packed • 1-Year Warranty

 

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