Concept 4.5 AM/FM Stereo Receiver Silver Face w/ Phono (1978)
The Concept 4.5 is a vintage AM/FM stereo receiver from the highly regarded Concept line sold through Pacific Stereo in the late 1970s. Known for their excellent build quality and strong amplifier performance, Concept receivers developed a reputation for delivering clean, powerful sound while maintaining a clean and understated design.
The 4.5 offers solid stereo amplification along with a built-in AM/FM tuner, making it a versatile centerpiece for a classic hi-fi system. Its brushed aluminum faceplate, analog tuning dial, and smooth control knobs give it the timeless appearance collectors and vintage audio enthusiasts appreciate.
With multiple audio inputs, including a phono stage for turntables, the Concept 4.5 integrates easily with vinyl setups, cassette decks, and other classic audio components.
CONDITION
SPENCERTIFIED- Fully certified by Spencer
Refurbished and SPENCERTIFIED
100% tested and functional. Cleaned inside and out; worn parts replaced as needed. Receiver opened and internally cleaned. Controls and switches cleaned with WD-40 Specialist Electrical Contact Cleaner (safe for electronics). Internal components inspected and dust removed. Amplifier channels tested for proper output. AM/FM tuner tested for reception and stability. Inputs and outputs verified.
Cosmetic Condition: 8/10
Functional Condition: 10/10
📦 Professionally packed and shipped with care.
WHAT'S IN THE BOX?
- Concept 4.5 AM/FM Stereo Receiver Silver Face w/ Phono (1978)
- Analog Audio Cable
Other information about the Concept 4.5
- Tuning range: FM, MW
- Power output: 45 watts per channel into 8Ω (stereo)
- Frequency response: 20Hz to 20kHz
- Total harmonic distortion: 0.1%
- Input sensitivity: 1.9mV (MM), 160mV (line)
- Signal to noise ratio: 76dB (MM), 85dB (line)
- AM/FM stereo receiver
- Classic analog tuning dial
- Brushed aluminum faceplate
- Phono input for turntables
- Multiple auxiliary inputs
- Bass and treble tone controls
- Balance control
- Headphone output
- Speaker A/B switching
DIMENSIONS
- Size: 17.5" W x 5.5" H x 14" D
- Weight: 28 lbs
INPUTS
- Analog Audio x3 L/R (back)
- Phono x1 L/R (back)
OUTPUTS
- Headphones Jack x2 (front)
- AC Outlets x2 (back)
- Speakers x2 L/R (back)
- Analog Audio x3 L/R (back)
MANUFACTURE PLACE
- Made in Japan
- MFD: 1978
