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NAD Stereo Receiver 7240PE Vintage Audiophile Amplifier

Submitted by on May 12, 2010 – 9:12 am

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NAD Stereo Receiver 7240PE Vintage Audiophile Amplifier Picture and Description:

 92623205308664990 NAD Stereo Receiver 7240PE Vintage Audiophile Amplifier

NAD Stereo Receiver 7240PE Vintage Audiophile Amplifier This auction is for one NAD Vintage Stereo AM/FM Stereo Receiver. NAD has a superb reputation among audiophiles and this unit will not disappoint. It has been tested to be in excellent working condition. As you can see from the pictures it has been very well maintained. The 7240PE receiver consists of the 3240PE integrated amplifier, with its vast reserves of clean, solid power for the the wide dynamic range of modern recordings, plus an exceptionally sensitive digital tuner. Power Envelope design While the 7240PE is rated at 40 watts/channel of steady-state power, its +6 dB of IHF dynamic headroom means that its dynamic power for musical transients exceeds 160 watts/channel at 8 ohms and 200 watts/channel at 4 or 2 ohms. Even with long 200-millisecond tone-bursts, representing the full duration of musical notes and chords, the 7240PE produces an impressive 100 watts per channel. High-current output stage The 7240PE de-livers up to 25 amperes per channel to ensure precise electromagnetic control of the speaker’s voice-coil, even with impedances as low as 2 ohms. Impedance selector This rear-panel switch lets you optimise the amplifier’? operation to drive either low impedances (2 to 6 ohms) or a single set of speakers with a true 8-ohm (or higher) impedance. Soft Clipping™ When the amplifier is driven beyond its rated power, NAD’s famous Soft Clip-ping™ M circuit gently limits the waveform and prevents the harshness that occurs in other receivers when the output transistors arc driven into saturation. Low-noise phono preamplifier NAD’s phono pre-amp circuits feature accurate RIAA equalisation, correct interfacing with the complex impedance of the phono cartridge, very low noise and plenty of headroom to accommodate the highest-level peaks without distortion. Digital-ready inputs With overload-proof line inputs and low-noise circuits for volume and tone control, the 724OPE accommodates a dynamic range greater than 100 dB, preserving the transparent clarity of the finest analogue and digital recordings. Bass EQ with infrasonic filtering The equalisation circuit boosts the deepest bass by 6 d B providing the sort of authentic bass “feel” that might otherwise require a costly separate subwoofer system. At the same time, a sharp infrasonic filter prevents excessive woofer-cone motion and minimises the bass-muddying effect of turntable rumble, warps and tone arm/stylus resonances. Musically Effective Tone Controls Ordinary bass and treble control circuits intrude on the midrange; boosting the bass, for instance, makes vocals thick and boomy. In NAD receivers, the bass and treble controls do what their names imply: they vary the strength of the bass (the solid foundation, the musical beat) and the treble (the crisp detail the airy brilliance) while preserving a neutral, accurate midrange response. Precise digital tuning The tuner section of the 7240PE features sensitive dual-gate MOSFET front-end, a three-stage linearphase I.F. circuit for sharp selectivity, a low-distortion quadrature detector, and a phase-compensated PLL multiplex decoder with wide stereo separation at all frequencies. Special filtering minimises interference from SCA and RDS sub-carriers. FM NR NAD’s unique FM noise-reduction circuit eliminates much of the noise and distortion in weak FM stereo signals, a welcome improvement for any listener who can’t put up a roof antenna. With FM-NR, the 7240PE needs only half as much signal strength as other receivers to obtain good quieting. The thoughtful engineering of this NAD receiver is evident in the design of its logical, easy-to-use controls - and in the deliberate avoidance of glitter, gimmicks, and frills. When you choose an NAD receiver, you arc investing in quality behind the front panel - in advanced circuit design, selected parts, oversize highcurrent transistors, exacting quality control, and solid construction for long-term reliability. The proof is in the listening. PRE-AMP SECTION Phono input Input impedance (R and C) 47k½?/ 100pF Input sensitivity, (1kHz, ref. rated power) 3.2mV Signal/Noise ratio (A-weighted with cartridge connected) 76dB ref. 5mV THD (20Hz - 20kHz) 10V Signal/Noise ratio (A-weighted ref 1W) 88dB Frequency response (20Hz - 20kHz) ±0.5dB Infrasonic filter -3db at 15Hz, 24dB/octave THD 0.01% Line level outputs Output impedance Pre-amp 600½ Tape Source Z + 1k½ Phones 220½ Maximum output level 12V Tape 8V Phones >10V into 600½ >500mV into 8½ Tone controls Treble ±7dB at 10kHz Bass ±10dB at 50Hz Bass EQ +3dB at 70Hz +6dB at 40Hz POWER AMP SECTION Continuous output power into 8½?* 40W (16dBW) Rated distortion (THD 20Hz - 20kHz) 0.03% Clipping power (maximum continuous power per channel) 50W IHF Dynamic headroom at 8½?+6dB IHF dynamic power (maximum short term power per channel) 8½?160W (22dBW) 4½?200W (23dBW) 2½?250W (24dBW) Damping factor (ref. 8½, 50Hz) >50 Input impedance 22k½?/ 880pF Input sensitivity (for rated power into 8½) 1V Frequency response 6Hz - 50kHz +0, -3dB Signal/noise ratio ref. 1W 100dB ref. rated power 116dB THD (20Hz - 20kHz) <0.03% © NAD Electronics. All rights reserved. E & OE FM TUNER SECTION Input sensitivity Mono -30dB THD+N 10.3dBf (1.8?V/300½) Mono 30dB S/N 14.2dBf (2.8?V/300½) Stereo 50dB S/N 36dBf (34?V/300½) FM NR off 29dBf (16?V/300½) FM NR on Stereo 60dB S/N 46dBf (110?V/300½) FM NR off 40dBf (56?V/300½) FM NR on Capture ratio (45 - 65dBf) 60dB Selectivity, alternate channel 65dB Image rejection 70dB I F rejection 90dB Harmonic distortion Mono 0.09% Stereo 0.09% Signal/Noise ratio Mono >80dB Stereo >75dB Frequency response ±0.5dB 30Hz - 15kHz Channel separation at 1kHz 50dB AM TUNER SECTION Usable sensitivity 300?V Selectivity 35dB Image rejection 50dB I F rejection 35dB Signal/Noise ratio 45dB Harmonic distortion 0.5% Remote No NAD Link No PHYSICAL SPECIFICATIONS Dimensions (W x H x D) 420 x 108 x 380mm Net weight 7.5kg Shipping weight 9.0kg Policies: Our goal at ValueAuctions is to offer carefully selected and faithfully presented items of value in a clear and exciting format. 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