75+
Quadraphonic Receiver (45 watts x 2 | 18 watts x 4)
Sold from 1973 until 1975
Made in: | USA |
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Product Specifications
- MSRP U.S.
- $439.95 each
- Dimensions (H x W x D)
- 5 x 16-5/8 x 15
- Sensitivity
- FM – 2.0 microvolts, IHF
- Sensitivity
- AM – 200 microvolts/meter
- Signal-to-Noise Ratio
- 70dB
- Capture Ratio
- FM... 2.5dB
- Image Rejection
- -50dB
- Spurious Response Rejection
- -78dB
- Multiplex Separation
- 35dB
- Total Harmonic Distortion
- MONO – 0.6%
- Total Harmonic Distortion
- STEREO – 0.7%
- AM Rejection
- FM... -50dB
- SCA Suppression
- Totally inaudible
- IF Rejection
- Better than 55dB
- Selectivity
- Better than 34dB
- Amplifier Power (RMS)
- 2 CHANNEL – 45 watts/ch @ 8 ohms (20 – 20kHz < 0.5% THD)
- Amplifier Power (RMS)
- QUAD – 4 x 18 watts
- Power Bandwidth
- <10 to beyond 40kHz @ 8 ohms
- Total Harmonic Distortion
- < 0.5% @ any power rating from .1 watt to full power
- Transient Intermodulation Distortion (TIM)
- < 0.15% @ rated output
- Damping Factor
- 40...1 @ 4 and 8 ohms
- Frequency Response
- from below 4Hz to beyond 70kHZ, +/.5dB @ normal power lvls from below 1Hz to beyond 100kHZ, ±1dB @ normal power lvls
- Square Wave Tilt
- <10% @ 20 Hertz
- Rise Time
- SQUARE WAVE – Better than 2 microseconds
- Stability
- absolutely stable with any type load
- Phono Overload
- >75+ millivolts
- Tone Controls
- BASS – ± 12dB @ 50Hz
- Tone Controls
- TREBLE – ±10dB @ 10kHz
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