McIntosh C70 Preamplifier

$13,995

Brand McIntosh

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Preamplifiers act as a hub for the connection of all your other components. The rear panel of any McIntosh preamplifier will feature an enormous number of connections. They are there to accommodate all of your current and future needs.

At McIntosh, performance, ergonomics, and quality construction all play equally important roles. Nowhere is this more evident than in their preamplifiers and amplifiers.

They offer intuitive operation, and exude a quality feel and familiarity that’s welcoming.

Offered with both Solid-State and Tube-type circuits, all McIntosh preamplifiers are easy to operate, flexible, and offer the highest level of audio performance available.

C70 70th Anniversary Vacuum Tube Stereo Pre-Amplifier

The C70 70th Anniversary Vacuum Tube Preamplifier harkens back to yesteryear with an all analog design and a retro look. The glass front panel is inscribed with special McIntosh 70th Anniversary lettering.

The C70 features one 12AT7 and five 12AX7A vacuum tubes that are visible through a glass panel on the top cover. All control operations are done via knobs and rocker switches. Modern LED indicators will denote input selection and volume level. The C70 has seven inputs consisting of two balanced inputs, three unbalanced inputs, and one each of Moving Coil and Moving Magnet phono inputs. For outputs, there are two pairs each of balanced and unbalanced connections.

"What ever I played the McIntosh duo threw it into our room with stunning clarity and shocking power... the C70 and MC2152 are truly amazing – a visual and audible display like no other." Awarded 5 out of 5 Globes. – Hi-Fi World

On the front panel, bass and treble tone controls are included and can be adjusted in 2dB increments via rotary knobs. Rotary knobs are also used to adjust the impedance and capacitance for the phono inputs. In addition to controlling the listening level, the volume knob can also adjust the relative volume balance between the left and right audio channels. A ¼” headphone jack powered by our High Drive headphone amplifier is included and features our Headphone Crossfeed Director (HXD®) technology. HXD brings added dimension to your music in a natural sounding way but can be turned off depending on your preferences. Five rocker switches are used to control the following functions: tone control on/ off; change between mono and stereo mode; HXD on/off; and to turn the independent output 1 and output 2 on/off.

The C70 sits atop a beautiful polished stainless steel chassis and features the timeless McIntosh black glass front panel, illuminated logo, control knobs, and aluminum end caps. Our Power Control technology is included with four ports that can automatically turn other connected McIntosh components such as amplifiers, CD players or turntables, on and off. Data ports are also present and can control basic functions of connected McIntosh source components via the C70’s remote control.

SPECIFICATIONS

ELECTRONIC SPECIFICATIONS

TOTAL HARMONIC DISTORTION

0.08%

FREQUENCY RESPONSE

+0, -0.5dB from 20Hz to 20,000Hz
+0, -3dB from 15Hz to 100,000Hz

MAXIMUM VOLTS OUT (BALANCED / UNBALANCED)

16/8 V RMS

INPUT IMPEDANCE (BALANCED / UNBALANCED)

44K ohm, 22K ohm

PHONO VOLTAGE GAIN

Moving Magnet: 40dB
Moving Coil: 60dB

HIGH LEVEL VOLTAGE GAIN

To Outputs 1 & 2: 15dB
To Fixed Output: 0dB

SIGNAL TO NOISE RATIO

100dB 

CONNECTIVITY

HEADPHONE OUTPUT

Yes 1/4", High Drive with Headphone Crossfeed Director (HXD®)

INPUTS UNBALANCED

3 Stereo + 2 Phono

INPUTS BALANCED

2 Stereo

VARIABLE OUTPUTS UNBALANCED

2 Stereo

VARIABLE OUTPUTS BALANCED

2 Stereo

DIGITAL USB INPUT

0

DIGITAL COAXIAL INPUT

0

DIGITAL OPTICAL INPUT

0

DIGITAL MCT INPUT

0

PHONO MOVING MAGNET INPUT

Yes, adjustable 

PHONO MOVING COIL INPUT

Yes, adjustable 

RECORD PROCESSOR LOOP

No

INPUT LEVEL MATCH

No

HOME THEATRE PASS THROUGH

No

CONTROL

TONE CONTROLS

Bass and Treble

TONE BYPASS AND INPUT ASSIGN

Yes

RS232 CONTROL INPUT

Yes

POWER CONTROL OUTPUT

1 Main, 2 Trigger

REAR PANEL DATA PORTS

Yes, 4

REAR PANEL IR SENSOR INPUT

No

GENERAL SPECIFICATIONS

MULTI-CHASSIS OR SINGLE

Single, two layer

OUTPUT METERS

No

TUBE OR SOLID STATE

Vacuum Tube: (5) 12AX7A and (1) 12AT7

ON, POWER CONSUMPTION

50 watts

WEIGHTS & DIMENSIONS

DIMENSIONS (W X H X D)

17.5" (44.45cm) x 6" (15.24cm) x 18" (45.72cm)

WEIGHT

25 lbs (11.3kg)

SHIPPING WEIGHT

41.4 lbs (18.8 kg)

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