Guyatone - Pedală efect - Japonia - 1984 (Fără preț de rezervă)

Brand: Guyatone
Model: PS-011 Distortion Sustainer
Type: Distortion / Sustainer Pedal
Made in: Japan
Serial number: 8407846
Colour: Black

Original box and instruction manual included.

Vintage Japanese distortion / sustainer pedal from Guyatone’s PS series, estimated to have been manufactured around July 1984.

This listing is for a Guyatone PS-011 Distortion Sustainer, a Japanese-made analogue effects pedal from the 1980s.

The pedal was inspected and fully tested prior to listing. All controls and functions operated properly during testing, with no significant scratchiness or other operational problems detected.

As the unit was functioning correctly, no unnecessary internal servicing was performed. Only exterior cleaning was carried out in order to preserve the unit in its present vintage condition.

The PS-011 combines distortion with extended sustain in a compact analogue pedal format and represents an interesting example of Guyatone’s Japanese effects-pedal engineering from the early-to-mid 1980s.

This example also retains its original box and original instruction manual, making it particularly attractive for collectors looking for a more complete surviving example.

**Key Features & Condition**

Model: PS-011 Distortion Sustainer
Brand: Guyatone
Made in Japan

Serial number: 8407846

Estimated production: around July 1984

Analogue distortion / sustainer design

Original box included

Original instruction manual included

Exterior carefully cleaned

Inspected and fully tested

All controls operated properly during testing

No significant scratchiness or operational problems detected during testing

Visible scratches, paint wear, dirt, and other cosmetic signs of age and use

As with any vintage electronic equipment, age-related noise or scratchiness may develop over time even though none of significance was detected during the present test.

**Controls / Operation**

The PS-011 is designed as a distortion and sustain effect, combining a strong distorted guitar sound with extended sustain for rhythm and lead applications.

Its analogue circuitry reflects the straightforward, performance-oriented design philosophy found in many Japanese effects pedals of the period.

The pedal was checked through its normal operating controls and signal path and was confirmed to function properly at the time of testing.

**Estimated Production Period**

Estimated production: around July 1984

Based on the serial number and multiple original internal component date codes, this unit is estimated to have been manufactured around July 1984.

The latest confirmed component date code identified inside the pedal corresponds to approximately May 1984, which is consistent with assembly during the summer of that year.

**Production Dating Evidence**

Serial Number

S/N: 8407846

The serial number is consistent with a 1984 production date and supports an estimated manufacturing period around July 1984 when considered together with the internal component evidence.

LM3080N

Marking: M8404

Consistent with production during Week 4 of 1984.

UA1458CTC

Marking: 8217

Consistent with production during Week 17 of 1982.

The earlier date of this component is not inconsistent with a 1984 final assembly date, as electronic components could remain in manufacturer inventory before being used in production.

Electrolytic Capacitor — 0.47µF

Marking: 8347

Consistent with production during Week 47 of 1983.

Electrolytic Capacitors — 1µF × 5

Marking: 8419

Consistent with production during Week 19 of 1984, approximately May 1984.

These are the latest confirmed date-coded components identified in the unit and provide an important reference point for estimating final assembly.

Electrolytic Capacitor — 10µF

Marking: 8351

Consistent with production during Week 51 of 1983.

Electrolytic Capacitors — 100µF × 2

Marking: 8410

Consistent with production during Week 10 of 1984.

Electrolytic Capacitor — 47µF

Marking: 8406

Consistent with production during Week 6 of 1984.

The electrolytic capacitors are Marcon components and show a consistent production range from late 1983 through May 1984.

**Conclusion of Dating Analysis**

The internal component evidence forms a consistent chronological sequence extending from late 1983 through May 1984, with some earlier inventory components also present.

The latest confirmed components are the 1µF electrolytic capacitors marked 8419, corresponding to approximately Week 19 of 1984.

Allowing for normal component inventory, assembly, and production lead times, a final assembly period during approximately June–August 1984 is reasonable.

This aligns closely with serial number 8407846.

Considering the serial number and internal component evidence together, the most reasonable production estimate for this example is:

around July 1984

This dating should be regarded as an informed estimate based on the physical evidence present in the unit rather than a manufacturer-confirmed production date.

**Production Background & Historical Context**

Guyatone was one of Japan’s pioneering electric instrument manufacturers and played an important role in the development of Japanese electric guitars, amplifiers, effects pedals, and other electronic musical equipment during the post-war era.

The company’s history is associated with Mitsuo Matsuki, widely recognized as one of the pioneers of electric guitar manufacturing in Japan.

While Guyatone became internationally known for its guitars and amplifiers, its effects pedals also developed a strong identity of their own. During the 1970s and 1980s, the company produced a wide range of analogue effects featuring distinctive Japanese engineering and practical designs intended for working musicians.

The PS series formed part of Guyatone’s compact effects-pedal lineup during the early 1980s.

Period catalogue information confirms that the PS series was already established by 1982, with models PS-001 through PS-009 documented at that stage.

The PS-011 Distortion Sustainer appears to have been introduced as a later addition to the expanding PS-series lineup.

The estimated 1984 production date of this example is therefore consistent with the known development period of the series.

The PS-011 was designed to combine distortion and sustain within a compact pedal, providing a strong distorted tone together with extended note sustain suitable for both rhythm and lead playing.

Its internal construction and period components also provide a useful snapshot of Japanese analogue effects manufacturing during the first half of the 1980s.

Today, original Japanese-made Guyatone pedals are increasingly appreciated by both players and collectors. Earlier PS-series models are particularly interesting as surviving examples of the company’s analogue pedal development during this period.

With its estimated July 1984 production date, original box, original instruction manual, and functioning condition, this PS-011 represents an interesting surviving example of Guyatone’s Japanese effects-pedal production from the era.

**Condition Details**

The pedal was tested prior to listing and was confirmed to be functioning properly.

No significant scratchiness, abnormal noise, or other operational problems were detected during testing.

Because the pedal was operating correctly, only exterior cleaning was performed. No unnecessary internal servicing was carried out.

There are visible scratches, paint wear, dirt, and other cosmetic signs of age and genuine use.

Please note that this is vintage electronic equipment manufactured more than four decades ago. Although the pedal operated properly during the present test, age-related scratchiness, contact noise, or other minor issues may develop in the future.

Please refer carefully to the photographs for the exact cosmetic condition.

**Size & Weight**

Weight: approximately 440 g

Please refer to the photographs for the physical design and overall condition of the unit.

**Power Supply**

The pedal supports DC adapter and battery operation.

Please ensure that a suitable power supply compatible with the pedal’s requirements is used.

**Included**

Guyatone PS-011 Distortion Sustainer

Original box

Original instruction manual

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