Equipment information:

Pioneer SPEC-4 Amplifier
Model: SPEC-4
Category: Audio, Video, TV, Multimedia
Group: Amplifier
Description: Stereo Power Amplifier in “DC” Configuration wit
                                    Think of the Pioneer SPEC-4 Power Amplifier as two
independent mono amps in one chassis. Our stay- ahead
reputation in hi-fi technology is upped another big step
here by achieving real independence for the essential
circuits in both the left and right channels. Physically
separated signal paths and dual power transformers, four big
capacitors (two perchannel)to prevent power dry-up, separate
left-right relays — everything to prevent crosstalk and
distortion that erode stereo clarity and tonal quality.
Because the SPEC-4 is of Pioneer’s new generation of “DC”
configuration power amps, its performance is never
compromised by capacitors in the negative feedback loop. The
results: a continuous power output of 150 watts* per
channel, min. RMS, at 8ohms from 20 to 20,000Hz with no more
than 0.01 % total harmonic distortion. Check out the details
of the SPEC-4 in the following pages, and see how Pioneer
earns its stay-ahead reputation in quality high fidelity.

These manuals are available for the above equipment:

Pioneer -- SPEC-4 -- Datasheet
File name: Pioneer-7231-Manual-Page-1-Picture
Manual Type: Datasheet
Pages: 4
Size: 1.81 Mbytes (1899806 Bytes)
Language: english
Quality: Scanned document, all readable.
Upload date:
MD5: def6bea3aa8f8cf35332002c195eb691
ed2kID: 749bb7e064186e5549baef4f2d46d382
Downloads: 128 since 27 September 2015
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