NAD 114 Manuel utilisateur

114

Stereo Pre-Amplifier

• 6 line inputs incl. 2 Tape in/outputs with dubbing facility

• Switchable MM and MC phono input

• 2 line outputs

• Gold plated phono and CD input sockets

• Gold plated output sockets

• Independent headphone amplifier

• Tone defeat switch

Based upon the highly praised NAD106, the model 114 is the latest in the range of NAD high quality /

low price pre-amplifiers.

Following in NAD’s usual design brief of “sound quality first” the 114 utilises reliable, uncomplicated

circuit topology which allows for investment in high specification, close tolerance components such as a

large, low noise transformer, metal film resistors, polypropylene capacitors and a precision volume

control.

A carefully re-designed PCB layout contributes further to a noise and distortion free performance. The

input selectors are operated by push rods and are located as closely as possible to the input sockets to

minimise cross talk. Also featuring Gold plated RCA jacks (to give reliable signal transfer), and two tape

loops to offer flexibility for tape dubbing in either direction (or the inclusion of a signal processor). Any

input may be monitored whilst recording. A gold plated 1/4” jack socket permits most non-electrostatic

headphones to be connected to the dedicated headphone amplifier.

Still in demand by music lovers (but often disregarded by other manufacturers) is a good quality phono

stage. The phono stage in the 114 is a fine example of what can be achieved at a reasonable price. The

phono stage is switchable to allow moving coil or moving magnet cartridges to be used. Metal film

resistors, polypropylene capacitors and seven discrete transistors provide extremely low noise

performance, precise equalisation and a dynamic range of 105dB.

The tone controls operate simple low noise circuits which offer useful frequency response adjustment

without sonic compromise. A tone defeat switch provides a direct signal path to the output.

The low output inpedance allows the 114 to drive several power amplifiers in parallel and/or the use of

long interconnecting cables (without the degredation of the performance that can so often become

apparent when long cables are used).

SPECIFICATIONS - NAD 114

Measured in accordance with EIA Standard RS-490 (IHF T-202)

Phono input

Input impedance (R and C) MM & RC 47K + 200pF

Input sensitivity ref. 0.5V 1KHz MM 1.5mV

MC 1mV

Input overload 20Hz/1KHz/20KHz MM 20mV/200mV/1700mV

MC 1.3mV/13mV/110mV

Signal to noise ratio (A-weighted with cartridge connected) MM 76dB ref. 5mV

MC 76dB ref. 0.5mV

RIAA accuracy MM ±0.2dB 20Hz - 20KHz

MC ±0.2dB 50Hz - 20KHz

-0.5dB at 20Hz

Line level inputs (CD, Video, Aux, Tuner, Tape1, Tape2)

Impedance (R+C) 20K + 450pF

Sensitivity ref. 0.5V 80mV

Maximum input signal >10V

Signal to noise A-weighted 98dB ref. 0.5V

Frequency response (20 - 20kHz in tone defeat mode) ±0.2dB

THD 0.01%

Line level outputs

Output impedance Pre-amp 220

Tape Source Z + 2K

Phones 120

Maximum output level Pre-amp >12V

Tape >10V

Phones >8V into 600

>250mV into 8

Tone controls

Treble ±7dB at 10KHz

Bass ±10dB at 50Hz

Physical specifications

Dimensions (W x D x H) 435 x 280 x 80mm

Weight 3.7Kg

Shipping weight 4.4Kg

Power consumption 17W

NOTE: NAD reserves the right to change specifications or design at any time without notice. All specifications are those in effect at time of printing.

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