Front Panel Facilities

Main Output:

2.5 volts with rated input.

Tape Output:

.25 volts with rated input.

Left Plus Right Output:

1 volt from generator impedance of 25,000 ohms.

Voltage Amplification:

Auxiliary, Tape, Tuner 1, and Tuner 2: To Main Output, 20 db (10 to 1).

To Tape Output, 0 db (1 to 1). Phono 1 and Phono 2 (At 1 KC):

To Main Output, 62 db (1250 to 1). To Tape Output, 42 db (125 to 1).

Microphone:

To Main Output, 60 db (1000 to 1). To Tape Output, 40 db (100 to 1).

Tape Head (At 500 cps):

To Main Output, 62 db (1250 to 1). To Tape Output, 42 db (125 to 1).

A.C.Outlets:

1 unswitched (Red) for turntable or tape machine.

4 switched.

Tubes:

6 each 12AX7.

Tape Jack Switch:

2 position, connects panel jacks to allow signals to be fed from or to the C22 to record or playback using an external portable tape recorder.

Bass Controls:

Separate channel 11 position switch type, ±20 db at 20 cycles.

Treble Controls:

Separate channel 11 position switch type,

± 20 db at 20,000 cycles.

Compensator Switch:

RIAA or LP record equalization.

Tape Switch:

Normal, or Tape Monitor.

Rumble Filter:

50 cps cutoff.

HF Filter:

5000 cycle cutoff.

Additional Set-Up Controls:

The following controls are located behind the front panel on the top of the C22 chassis. These controls are readily accessible by depressing the PANLOC buttons to slide the C22 forward from the mounting panel:

Output Level Controls (L, L + R, and R):

Allows the balance of the entire system to be conveniently adjusted.

Low Frequency Trim Controls (L and R): Allows frequencies below 100 cps to be boosted up to 6 db to compensate for

unequal speaker response.

Tape Equalization Controls (L and R):

Adjusts tape head input high frequency response.

Phase Switch:

2 position, normal (0°) or reverse (180°).

Pilot Lamp Intensity Switch:

2 position, bright or dim.

Figure 1. C22 Front Panel.

c22, mcintosh stereo preamplifier specifications

The McIntosh C22 stereo preamplifier is a hallmark of high-fidelity audio performance, embodying the timeless craftsmanship and advanced technology for which McIntosh is renowned. Introduced in the early 1960s and reimagined in modern versions, the C22 has remained a powerful tool for audiophiles and music enthusiasts seeking to achieve the ultimate listening experience.

One of the main features of the McIntosh C22 is its unparalleled versatility. It includes multiple inputs, making it compatible with various sources, such as turntables, CD players, and streaming devices. The preamplifier offers both phono and line-level inputs, allowing users to connect a wide range of devices while ensuring the highest quality sound.

The C22 employs a unique vacuum tube circuitry that contributes to its warm and rich tone. The use of vacuum tubes, combined with solid-state technology, provides a sonic character that is both dynamic and detailed. This hybrid design results in a smoother frequency response and adds depth and warmth to the music, making it particularly appealing for listeners who enjoy vinyl records.

Another characteristic feature of the C22 is its analog volume control, providing precise adjustments to sound levels without introducing unwanted noise that often comes with digital controls. The preamplifier’s tone controls allow users to tailor the sound profile to their personal preference, enhancing the listening experience for various musical genres.

In terms of technology, the McIntosh C22 supports high-quality audio formats, equipped with balanced and unbalanced outputs for seamless integration with power amplifiers. This ensures that the integrity of the audio signal is maintained throughout the audio chain. The C22 also incorporates the proprietary McIntosh Autoformer technology that guarantees consistent performance, regardless of the connected equipment's impedance.

The build quality of the C22 is another highlight. Enclosed in a striking chassis with a classic glass front panel, the preamplifier features an iconic blue meter display, which not only serves a functional purpose but also adds to its aesthetic appeal. The craftsmanship is complemented by high-end components that promise durability and longevity.

Overall, the McIntosh C22 stereo preamplifier stands as a testament to the blend of vintage elegance and contemporary high-fidelity technology. Its distinctive sound signature, extensive connectivity options, and robust construction make it an essential component for anyone serious about achieving an exceptional audio experience. Whether you are a dedicated audiophile or a casual listener, the C22 delivers a sonic performance that resonates with the soul of music.

McIntosh c22, mcintosh stereo preamplifier owner manual Front Panel Facilities

Models: c22 mcintosh stereo preamplifier