Manley Labs MM/MC GRAMOPHONE CARTRIDGE PREAMPLIFIER guide

SPECIFICATIONS
Vacuum tube compliment: 6922 x 2 (gain) plus 7044 x 4 (output buffers)
Fuse type and ratings:	117 VAC: 1.5 Amp 3AG slow-blow main
	0.5 Amp 3AG slow-blow logic
	234 VAC: 0.75 Amp 3AG slow-blow main
	0.25 Amp 3AG slow-blow logic
Moving Magnet input impedance:	5-step user adjustable via fixed low-noise resistors.
	25, 50, 100, 200 and 47000 ohms.
Moving Coil input impedance:	5-step user adjustable via multi-tap autoformer:
	25, 50, 100, 200 and 400 ohms.
Input Termination Capacitance:	Variable in 10 picofarad steps from 10 to 1100 pF.
	(1.1 nF). Residual input capacitance less than 40 pF.

Gain Steps: 4-step user adjustable, 50, 55, 60 and 65 dB active gain at 1 kHz referred to FIXED output jack, 10 k-ohm load. Additional gain available via MC step-up autoformer.

Deviation from RIAA curve: Less than +0.5 / -0.3 dB from 20 Hz to 20 kHz, any gain setting. Typically less than +/- 1 dB from 10 Hz to 100 kHz

Inter-channel differential phase: Less than 4 degrees from 20 Hz to 20 kHz, any gain setting. Typically less than 2 degrees.

Inter-channel differential gain: Less than +/- 0.5 dB from 20 Hz to 20 kHz, any gain setting.

Dynamic Range:		101 dB @ 1 kHz, 1% THD
200 ohm source, 47 k-ohm input, @55dB Gain		97 dB @ 1 kHz, 0.1% THD
Maximum Output:	+27dBm @ 1KHz with 3% THD into 100Kohm load
FIXed Output impedance:	150 ohms. Minimum suggested load greater than 1500 ohms.
VARIable Output impedance:	75 ohms. Minimum suggested load greater than 600 ohms.

GAIN setting
MM Noise (S+N+D) / (N+D):	50 dB:
200 ohm source, 47 k-ohm input	55 dB:
A-weighted Referred to 2.54 mV	60 dB:
rms @ 1 kHz.	65 dB:
MC Noise (S+N+D) / (N+D):	50 dB:
100 ohm source, 100 ohm input	55 dB:
A-weighted Referred to 0.5 mV	60 dB:
rms@ 1KHz and rated input impedance	60 dB:

Fixed Ouptut		Vari O/P
86 dB	108dB	99dB	86dB
84 dB	108dB	99dB	85dB
80 dB	108dB	94dB	80dB
75 dB	108dB	89dB	75dB
	9:00	12:00 V/C FULL
84 dB	108dB	98dB	85dB
80 dB	108dB	95dB	81dB
75 dB	108dB	90dB	76dB
70 dB	107dB	85dB	71dB

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MM/MC GRAMOPHONE CARTRIDGE PREAMPLIFIER specifications

The Manley Labs MM/MC Gramophone Cartridge Preamplifier stands as a remarkable piece of audio equipment, designed to elevate the listening experience for vinyl enthusiasts and audiophiles alike. Renowned for their expertise in high-fidelity audio, Manley Labs has crafted this preamplifier to deliver exceptional sound quality and versatile performance for both Moving Magnet (MM) and Moving Coil (MC) cartridges.

One of the standout features of the MM/MC Gramophone Cartridge Preamplifier is its high-quality analog signal processing. The preamp employs vacuum tube technology, incorporating premium 12AX7 and 12AT7 tubes to provide a warm, rich sound that many listeners treasure. The implementation of soft and natural tube warmth contributes to an organic sound, preserving the authenticity of vinyl recordings while enhancing detail and nuance.

This preamplifier offers adjustable gain settings, allowing users to optimize performance according to their specific cartridge choice, be it MM or MC. With the capability to accommodate various cartridge output levels, the Manley Labs preamp ensures maximum adaptability. Users can switch between settings easily, ensuring compatibility with a wide range of turntables and cartridges.

Additionally, the MM/MC Gramophone Cartridge Preamplifier features high-quality components throughout its design. Its circuit topology is engineered to minimize noise and distortion, ensuring a clean signal path. The unit is also equipped with a low-frequency filter, which can be utilized to eliminate unwanted subsonic frequencies that could muddy the audio experience.

Another notable aspect of this preamp is its robust build quality. Encased in a sleek metal chassis, it combines aesthetics with durability, ensuring longevity while adding a stylish touch to any audio setup. The carefully designed layout not only contributes to the preamp’s performance but also showcases Manley Labs’ commitment to craftsmanship.

In conclusion, the Manley Labs MM/MC Gramophone Cartridge Preamplifier is a premium choice for vinyl lovers seeking a high-performance preamp that combines vintage warmth with modern adaptability. Its advanced features, high-quality components, and user-friendly design make it an essential addition for anyone looking to enhance their vinyl listening experience profoundly. With this preamplifier, Manley Labs continues to uphold its reputation for excellence in high-fidelity audio.

SPECIFICATIONS

Fuse type and ratings:

Input Termination Capacitance:

MM Noise (S+N+D) / (N+D):

MC Noise (S+N+D) / (N+D):

MM/MC GRAMOPHONE CARTRIDGE PREAMPLIFIER specifications