AMPEX 91687 Field Supply Tube Reel Tape Oscilator 0-51893-3 10

( Brand: Ampex ), ( Model: 0-51893-3 ), ( Part Type: Supply Tube Tape ), ( Manufacturer Part Number: 91687 )

Review AMPEX 10 Field Supply Tube Reel to Tape Variable Speed Oscilator Usa

The Ampex Model 91687 10-Field Supplies Tube Reel-to-Reel Tape Oscillator is a vintage electronic component that was once an essential part of high-end audio and video recording systems. This tube oscillator is a 10-field design, which means it can accommodate up to ten reels of magnetic tape, making it a versatile and powerful tool for generating audio or video signals.

The oscillator is housed in a sturdy steel cabinet that measures approximately 22 inches wide, 13 inches deep, and 10 inches high. The cabinet is equipped with a variety of input and output connectors, including a tape drive control connector, a synchronization connector, and several audio output connectors. These connectors allow the oscillator to be easily integrated into a larger recording or playback system.

The heart of the oscillator is a set of vacuum tubes, specifically ten 6AQ5 tubes, which are responsible for generating the audio or video signals. These tubes are arranged in a 10-field configuration, which allows for the oscillation of multiple frequencies simultaneously. Each field can be independently adjusted, allowing for a high degree of control over the output signal.

The tube oscillator is designed to operate on a standard 115-volt AC power supply and has a frequency range of approximately 1 Hz to 30 kHz. The tubes are carefully shielded to minimize electromagnetic interference and ensure a clean, stable output signal.

The Ampex Model 91687 10-Field Supplies Tube Reel-to-Reel Tape Oscillator is a rare and valuable piece of electronic history. Its vintage design and powerful capabilities make it a sought-after component for collectors and enthusiasts of vintage audio and video equipment. Whether you're restoring a classic recording studio or building a custom video synthesizer, this oscillator is an essential tool that will add character and authenticity to your project.

The Ampex Model 91687 10-Field Supply Tape Oscillator is a vintage piece of electronic equipment that was commonly used in audio applications, particularly in broadcasting and recording studios. Here are some pros and cons to consider before purchasing one:

1. Unique sound: Tape oscillators produce a warm, analog sound that is different from digital oscillators. They can add character and texture to recordings.

2. Versatility: Tape oscillators can be used to generate a wide range of frequencies, from very low to very high. They can also be used to create complex waveforms and modulate other signals.

3. Authenticity: For collectors and vintage audio enthusiasts, owning a vintage tape oscillator can be a source of pride and satisfaction.

4. Educational value: Working on and maintaining a vintage tape oscillator can be a great learning experience for electronics hobbyists and audio engineers.

1. Maintenance: Tape oscillators require regular maintenance to keep them functioning properly. Tapes can degrade over time, and components may need to be replaced.

2. Cost: Vintage tape oscillators can be expensive to purchase, especially if they are in good condition or have desirable features.

3. Size and weight: Tape oscillators are large and heavy, which can make them difficult to transport and install.

4. Limited availability: Fewer and fewer tape oscillators are being produced, and those that are available may be in poor condition or overpriced.

The Ampex Model 91687 10-Field Supply Tape Oscillator is a vintage piece of electronic equipment that offers unique sound and versatility, but it also comes with significant maintenance and cost considerations. If you are an audio engineer or collector who values authenticity and is willing to invest the time and resources into maintaining a vintage tape oscillator, then it could be a worthwhile purchase. However, if you are looking for a more practical and cost-effective solution, you may want to consider a digital oscillator or a more modern tape oscillator alternative.

Before making a purchase, it's recommended that you thoroughly research the model and its condition. Check for any known issues or common repairs, and consider the cost of replacement parts and maintenance. You may also want to consider renting or borrowing one before making a commitment to buy. Additionally, you could consider investing in a modern tape oscillator alternative or a digital oscillator that offers similar capabilities but with reduced maintenance requirements and a more reasonable cost.

Details:

The Vintage Rare AMPEX 91687 10 Field Supply is a Vacuum Tube reel-to-reel tape variable speed oscillator manufactured in the USA by Ampex. With the brands reputation for quality and reliability, this oscillator would have been a valuable component in many systems requiring accurate consistent speed control. This industrial automation product is designed for precise control of motor speed in various applications. The model number is Reliance 0-51893-3.

part #: 91687 prices

• $47.99-$107.25

specifications plcmechanize:

• brand: Ampex
• model#: 0-51893-3
• part type: Supply Tube Tape
• manufacturer part number: 91687

offer plcmechanize:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: August 2, 2025
• best offers: True
• sold: 0

returns plcmechanize:

• method: Money back
• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

shipping plcmechanize:

• carrier: USPS
• transit: 4-10 Days
• service: USPS Priority Mail
• type: Fixed
• cost: $9.00
• class: Expedited

seller plcmechanize:

• rating: 96.7%
• city: Campbell, California
• # reviews: 1841

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general plcmechanize:

• condition: Used
• Industrial Automation Motion Controls > PLCs HMIs > PLC Processors