Marantz - PM 250 Audio amplifier

Marantz - PM 250 Audio amplifier #1.0
Marantz - PM 250 Audio amplifier #1.0
Marantz - PM 250 Audio amplifier #2.1
Marantz - PM 250 Audio amplifier #3.2
Marantz - PM 250 Audio amplifier #4.3
06
days
21
hours
38
minutes
52
seconds
Starting bid
€ 1
No reserve price
Ariel Cabello
Expert
Selected by Ariel Cabello

Holds dual bachelor's degrees in electronics and physics with 20 years in audio engineering.

Estimate  € 150 - € 200
No bids placed
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Marantz PM 250 integrated stereo amplifier (1980), serial 9IN041650, in excellent physical condition and tested to be working, includes power cord and weighs about 6.5 kg.

AI-assisted summary

Description from the seller

Amplifier is re-cupped and fully functional and is excellent cosmetic condition.


Amplification

* Type: Integrated stereo amplifier (solid state)
* Power output:
* 25 W per channel (8 Ω)
* Frequency response:
* 20 Hz – 50 kHz
* Total harmonic distortion (THD):
* ≈ 0.1%
* Damping factor:
* ≈ 100

⸻

Inputs / outputs

* Phono (MM) sensitivity: 2.8 mV
* Line input sensitivity: 150 mV
* Line output: ~415 mV

Typical connections:

* Phono, tuner, AUX, tape loop
* Headphone output
* Two speaker pairs (A/B switching)

⸻

Build & design

* Semiconductors:
* 47 transistors, 29 diodes, 2 ICs
* Tone controls: Bass / Mid / Treble (3-band EQ)
* Extras: Loudness, balance control, VU meters (“power level”)

⸻

* Dimensions: 416 × 146 × 243 mm
* Weight: ~6.5 kg
* Power supply: typically 220 V (EU models)

Amplifier is re-cupped and fully functional and is excellent cosmetic condition.


Amplification

* Type: Integrated stereo amplifier (solid state)
* Power output:
* 25 W per channel (8 Ω)
* Frequency response:
* 20 Hz – 50 kHz
* Total harmonic distortion (THD):
* ≈ 0.1%
* Damping factor:
* ≈ 100

⸻

Inputs / outputs

* Phono (MM) sensitivity: 2.8 mV
* Line input sensitivity: 150 mV
* Line output: ~415 mV

Typical connections:

* Phono, tuner, AUX, tape loop
* Headphone output
* Two speaker pairs (A/B switching)

⸻

Build & design

* Semiconductors:
* 47 transistors, 29 diodes, 2 ICs
* Tone controls: Bass / Mid / Treble (3-band EQ)
* Extras: Loudness, balance control, VU meters (“power level”)

⸻

* Dimensions: 416 × 146 × 243 mm
* Weight: ~6.5 kg
* Power supply: typically 220 V (EU models)

Details

Era
1900-2000
Brand
Marantz
Model
PM 250
Multiple models
No
Physical condition
Excellent
Number of objects
1
Includes
Power cord
Serial number
9IN041650
Year of manufacturing
1980
Weight
6.5 kg
Functional condition
Tested and working/playable
PortugalVerified
4
Objects sold
1
Object in auction
1
Review
Private

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