What is stereo?

There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.

H.H. Scott '59

Sherwood S 7100

 Model S 7100 Stereo FM/AM Receiver
Here is of the traditional quality, value and features for which Sherwood is famous - at a modest price. An unparalleled command center for the finest high-fidelity music systems, the S7100 feature power to spare for even the most inefficient speaker systems, and distortion at listening levels is a mere 0,20%.
Sherwood's FM section incorporates the latest proven advances, such as hermetically sealed microcircuit and field-effect transistor circuitry for superior FM sensitivity and reliability.  Enjoy the operating ease provided by four rocker buttons that control FM interstation muting, loudness defeat, stereo-mono mode and tape monitor.
Sherwood's unique front panel tape jack (plus rear panel tape jacks) allows simultaneous recording on two records or dubbing from one recorder to another. Stereo headphone jack, too, for private listening. Speaker selector switch permits listening to your main set of stereo speakers (A) a remote set of stereo speakers (B) or both sets at the same time (A&B).
Tuning your favorite FM or Am stations is a joy with Sherwood's velvet touch "Flywheel tuning;" signal strength meter pinpoints when you are properly tuned to your station and a "Stereo" indicator light tells you if you are listening to a stereo station.  The S7100 achieves a reliability of performance backed by a full 3-year warranty on all parts. And Sherwood packages this superlative receiver in a distinctively styled handsome walnut cabinet, included at no extra cost. Whatever your wants - power, performance, beauty - Sherwood paces the field.

Hermetically sealed microcircuit, FET circuitry
Front panel extra Tape record/dubbing jack
FM "Hush" muting circuit
Handsome walnut case included
FM Tuner Section
FM Sensitivity (IHF):  1,9 µV (-30 dB noise&dist)
Signal-to-Noise Ratio:  -65 dB
Capture Ratio:  2,8 dB
Suppression of AM:  -50 dB
Tuning Range: 87,5 to 108,5 MHz
Distortion:  0,5% at 100% Mod.
Spurious Response Rejection:  -87 dB
Stability:  ±15 kHz (±0.015%)
Image Rejection:  -78 dB
IF Rejection:  -90 dB
Alternate Channel Selectivity:  40 dB
Stereo Separation:  40 dB at 1 kHz
Frequency Response [Stereo]:  20 - 15,000 Hz ±1 dB
Antenna:  300 Ω balanced
AM Tuner Section
Sensitivity: 5 µV at 60% mod. For 6 dB S/N
Selectivity:  7,5 kHz at -6 dB
Frequency Response:  -6 dB at 4,0 kHz
Tuning Range:  530 to 1625 kHz
Image Rejection:  -50 dB at 1mhz
Antenna: Ferrite Rod (rotatable), High Imp. Input
Amplifier Section
Power Output
At 4 Ω : Music Power 80 W Total - Equivalent Music Power ±1 dB 100 watts RMS Power 30 watts X2
At 8 Ω : Music Power 70 W Total - Equivalent Music Power ±1 dB 85 watts RMS Power 25 watts X2
Harmonic Distortion:  1,0% at 8 Ω Rated Output, 0,29% at  10 watts
Intermodulation Distortion: 1,0 % at 8 Ω Rated Output, 0,20% at 10 watts
Stereo & Mono Speaker Output Impedance:  4, 8 or 16 Ω
Stereo Headphone Output:  High or Low Impedance
Stereo Recording Output:  200 mV, 2 k Ω
Power Bandwidth:  25 - 20,,000 Hz -1% Dist.
Frequency Response:
Aux:  30 Hz - 20 kHz ±2 dB
Phono :  RIAA Standard ±1,5 dB
Damping Factor:  30 : 1 at 8 Ω
Bass Control:  ±13 dB at 100 Hz
Treble Control:  ±13 dB at 10 kHz
Input Sensitivity (for rated output):
Phono : 1,5 mV
AUX : 200 mV
Input Capability for 1 % Dist:
Phono : 60 mV
AUX : 3,8 V
Hum and Noise (IHF):
Phono : -65 dB
AUX : -75 dB
Vol. Control Min> : _85 dB
Crosstalk:  -40 dB at 1 kHz
Power Requirements:  115 - 125 V, 50/60 Hz, 10 to 100 W fused
AC Outlets:  200 W switched
Dimensions (W x H x D):  17 ½ x 5 ¾ x 13 ½ inches

Weight (Shipping):  30 lbs

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