Manley Labs MM/MC GRAMOPHONE CARTRIDGE PREAMPLIFIER owner manual Specifications

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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