Quad 66 Tuner

Description

Description: Freakuence!

D-A-B! D-A-B! GET RID OF IT! Feel free to sing along, everyone. The Quad 66FM is an FM tuner. And it does its job smoothly.

Details

For any damage, please see the photos!

General Description

The Quad 66 Tuner is an analog radio receiver from the Quad brand, specifically designed for reliable FM signal reception and optimal sound reproduction. This tuner ensures clear reception of radio stations, resulting in a precise and natural stereo image. The Quad 66 Tuner combines sensitivity and stability, ensuring minimal noise and smooth tuning.

The Quad 66 Tuner’s sound reproduction excels in detail: nuances in vocals and instruments come through clearly. With crisp dynamics, the sound is lively yet balanced. The tuner delivers a rich soundstage where high frequencies are sparkling and low frequencies offer sufficient depth. The sound remains stable even under challenging reception conditions, and the tuning makes subtle differences in frequencies clearly audible. For those who value audiophile qualities such as purity, tonal accuracy, and a full stereo image, the Quad 66 Tuner offers a reliable radio signal receiver that delivers quality without frills.

Curious about how the Quad 66 Tuner actually sounds? Schedule a listening session in our listening room or compare it with other tuners to experience the difference for yourself. Feel free to discuss trade-in options if you’d like to upgrade.

Quad 66 Tuner Specifications

Tuning Range: 88–108 MHz Channel Spacing: 25 kHz (50 kHz displayed) Sensitivity: 30 dB quieting Mono 1 µV Sensitivity: 50 dB quieting Mono 2.7 µV, Stereo 25 µV Full Limiting: < 1 µV Signal-to-Noise Ratio (at 1 kHz, 1 mV, A-weighted): Mono 76 dB, Stereo 70 dB Distortion (1 kHz ±75 kHz deviation): Mono 0.15%, Stereo 0.15% Distortion (1 kHz ±25 kHz deviation): Mono 0.05%, Stereo 0.10% Capture Ratio: 1.5 dB IF Rejection: 100 dB AM Suppression: 60 dB Image Rejection: 80 dB Pilot Tone Suppression: 60 dB Crosstalk (at 1 kHz): -40 dB nominal Frequency Response: +0, -1 dB, 20 Hz–15 kHz Output Level (at 30% modulation, 1 kHz): 100 mV rms Source Impedance: 1 kΩ Minimum Load Impedance: 47 kΩ De-emphasis: 50 µs or 75 µs Antenna Input: 75 Ω unbalanced (coaxial) Mains Voltage: 100–120 V or 200–240 V AC, 50–60 Hz (selectable via PCB jumpers) Power Consumption: ≈ 6 W Fuse: 100 mA anti-surge, 100–240 V supply Dimensions (W × H × D): 321 × 80 × 255 mm (plus connectors) Weight: ≈ 2.8 kg

Background Information

The Quad 66 Tuner, part of Quad’s highly regarded 66 series, embodies the design philosophy of simplicity and precision. Quad is known for its attention to detail and focus on sound quality. The chassis is robust and timeless, designed to be both functional and aesthetically pleasing. The internal components are carefully selected for their reliability and sound quality. Although the specific names of engineers are not often mentioned, Quad remains true to its British heritage in both design and manufacturing, using high-quality materials that are precision-engineered.

Brand History

Quad was founded in 1936 by Peter Walker in England. The company introduced its first loudspeaker, the “Corner Ribbon,” in 1949. This loudspeaker used a ribbon technology to produce high frequencies, which provided clear reproduction of treble. In the 1950s, Quad introduced the Electrostatic Loudspeaker (ESL), which was a milestone in the development of loudspeaker technology. The ESL was known for its full-range electrostatic technology, which provided unprecedented natural sound.

Quad has since released several models and series, including the Z Series. This model uses a specially designed sandwich construction in the ribbon tweeters for higher sensitivity and accuracy. The brand continues to develop its products while staying true to Peter Walker’s original philosophy of staying as close to the original sound as possible.

Additional information

Merken	Quad
Kleur	Gray

Questions & Answers

What is the range and sensitivity of the Quad 66 FM tuner?

The tuner covers 88–108 MHz (depending on the country, it may start at 87.5 MHz), with a channel spacing of 25 kHz (displayed as 50 kHz) and a stereo sensitivity of approximately 25 µV.

How many stations can be stored in memory?

Up to 19 presets can be stored, each with a choice of mono or stereo mode.

How is the signal strength level displayed?

There is an LCD display that shows the frequency, signal strength, and whether the signal is stereo or mono.

How do you choose between automatic search and manual tuning?

Using the “search >>” or “search

Can the tuner operate without the remote control console (control panel)?

No, all operation is handled via the Quad 66 preamplifier’s control panel; the tuner itself does not have separate buttons for selecting frequencies.

What connections are available for the antenna location and connection to the preamplifier?

There is a 75 Ω unbalanced coaxial antenna input and left/right RCA (phono) outputs that connect to the Radio input on the Quad 66 preamplifier.

How do you set the mono mode, and how does it affect reception?

Pressing the “Pause” button switches the tuner to mono; this can help with weak or distorted stereo signals because mono reception often results in less noise.

How is the power supply configured, and how do you connect the control panel without a battery?

The control panel runs on a PP3 battery, but can also be powered directly through the DC output on the front of the tuner if the battery is removed.

Is the Quad 66 FM tuner compatible with other preamplifiers or systems?

It is designed specifically for use with the Quad 66 preamplifier; signals and controls are tailored to that ecosystem. Use with other systems that do not include the Quad 66 may result in a loss of functionality.

What is the procedure for installing and setting up the tuner?

Connect the antenna to the preamplifier using the included RCA cables (white for left, red for right), avoid heat sources or direct sunlight, and connect the power supply as indicated on the nameplate.

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Features

Minor damage

All about | Quad 66 Tuner

Description: Freakuence! | Quad 66 Tuner

D-A-B! D-A-B! GET RID OF IT! Feel free to sing along, everyone. The Quad 66FM is an FM tuner. And it does its job smoothly.

Details | Quad 66 Tuner

For any damage, please see the photos!

General Description | Quad 66 Tuner

Quad 66 Tuner Specifications | Quad 66 Tuner

Background Information | Quad 66 Tuner

Brand History | Quad 66 Tuner

Quad was founded in 1936 by Peter Walker in England. The company introduced its first loudspeaker, the "Corner Ribbon," in 1949. This loudspeaker used a ribbon technology to produce high frequencies, which provided clear reproduction of treble. In the 1950s, Quad introduced the Electrostatic Loudspeaker (ESL), which was a milestone in the development of loudspeaker technology. The ESL was known for its full-range electrostatic technology, which provided unprecedented natural sound.

Quad has since released several models and series, including the Z Series. This model uses a specially designed sandwich construction in the ribbon tweeters for higher sensitivity and accuracy. The brand continues to develop its products while staying true to Peter Walker's original philosophy of staying as close to the original sound as possible.

Questions & Answers | Quad 66 Tuner

What is the range and sensitivity of the Quad 66 FM tuner?

The tuner covers 88–108 MHz (depending on the country, it may start at 87.5 MHz), with a channel spacing of 25 kHz (displayed as 50 kHz) and a stereo sensitivity of approximately 25 µV.

How many stations can be stored in memory?

Up to 19 presets can be stored, each with a choice of mono or stereo mode.

How is the signal strength level displayed?

There is an LCD display that shows the frequency, signal strength, and whether the signal is stereo or mono.

How do you choose between automatic search and manual tuning?

Using the “search >>” or “search

Can the tuner operate without the remote control console (control panel)?

No, all operation is handled via the Quad 66 preamplifier’s control panel; the tuner itself does not have separate buttons for selecting frequencies.

What connections are available for the antenna location and connection to the preamplifier?

There is a 75 Ω unbalanced coaxial antenna input and left/right RCA (phono) outputs that connect to the Radio input on the Quad 66 preamplifier.

How do you set the mono mode, and how does it affect reception?

Pressing the “Pause” button switches the tuner to mono; this can help with weak or distorted stereo signals because mono reception often results in less noise.

How is the power supply configured, and how do you connect the control panel without a battery?

The control panel runs on a PP3 battery, but can also be powered directly through the DC output on the front of the tuner if the battery is removed.

Is the Quad 66 FM tuner compatible with other preamplifiers or systems?

What is the procedure for installing and setting up the tuner?

Reviews & awards | Quad 66 Tuner

Hi-Fi World (November 1992):

This review praises the

Quad 66FM

for its natural sound balance, with a frequency response of 27 Hz to 16 kHz (-1 dB), which provides clarity without excessive sharpness. Distortion at half-maximum signal level is measured at approximately 0.12%, primarily second-order harmonics, which is viewed positively. The tuner offers a “richer” tone in the lower midrange and bass, especially below the frequency of Middle C, though this comes somewhat at the expense of ambiance and background silence. The absence of buttons on the front panel (except for a power button), since all controls are operated via the remote, is viewed as an aesthetic advantage.

OpusKlassiek:

This review highlights the design and integration: the fully remote system is elegantly designed, with no front-panel controls except for on/off. The tuner operates exclusively within the 66 system, unlike the CD-67 player, which can be controlled separately. OpusKlassiek praises the overall setup design but also notes that without the 66 system, usability is significantly reduced.

Stereo Review (June 1993, Julian Hirsch):

This review describes the Quad 66FM as part of Quad’s deluxe line, designed for system compatibility with the 66 preamp and CD player. The tuner has only an almost invisible on/off button on the front panel; all other functions must be controlled via the remote control (or via the function buttons on the preamp).

Ters Audio:

According to this review, the Quad 66 is visually appealing and features a clear LCD display that shows the frequency, preset, signal strength, and mode (mono/stereo). Control via the remote is functional but not intuitive: you can only scan up and down or navigate step-by-step through presets. Sound quality is described as uncolored and neutral, but rather subdued and limited in dynamics; clear and clean, but not very exciting for those looking for something with a bit of punch.

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Description

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Questions & Answers

Features

All about | Quad 66 Tuner

Description: Freakuence! | Quad 66 Tuner

Details | Quad 66 Tuner

General Description | Quad 66 Tuner

Quad 66 Tuner Specifications | Quad 66 Tuner

Background Information | Quad 66 Tuner

Brand History | Quad 66 Tuner

Questions & Answers | Quad 66 Tuner

What is the range and sensitivity of the Quad 66 FM tuner?

How many stations can be stored in memory?

How is the signal strength level displayed?

How do you choose between automatic search and manual tuning?

Can the tuner operate without the remote control console (control panel)?

What connections are available for the antenna location and connection to the preamplifier?

How do you set the mono mode, and how does it affect reception?

How is the power supply configured, and how do you connect the control panel without a battery?

Is the Quad 66 FM tuner compatible with other preamplifiers or systems?

What is the procedure for installing and setting up the tuner?

Reviews & awards | Quad 66 Tuner

Hi-Fi World (November 1992):

OpusKlassiek:

Stereo Review (June 1993, Julian Hirsch):

Ters Audio:

Features | Quad 66 Tuner

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