> Classifieds > > Extra Rare vintage Class A Pioneer M22 Amp in very nice condition can ship

SOLD - FOR SALE: Extra Rare vintage Class A Pioneer M22 Amp in very nice condition can ship

Item #649378635
Info: Extra Rare vintage Class A Pioneer M22 Amp in very nice condition can ship

Asking Price:
CAD $1200.00
Payment method: Cash, Paypal, Cheque, Money Order, Interac/EMT
Shipping weight: 30.00 (kg) Calculate Shipping
Condition: N/A (?)
Date Posted: Jul 18, 18 4:23am (PST)
Edited: Aug 01, 18 4:14am
About Seller: mookauto
mookauto is a premium user
Mascouche, QC
Canada
[other classified ads]
Product Brand: Pioneer
Product Model: m22 c21
Feedback Received: 21  See details
95.5% Positive Feedback
PayPal:
Days in System:14
Ships to: Canada, United States, United Kingdom, Australia and New Zealand (Aotearoa), Worldwide
Shipping Cost:
  • Worldwide: $320
  • Canada: $90
  • United States: $140
  • United Kingdom: $350
  • Australia and New Zealand (Aotearoa): $1200
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Description

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rare m22 in perfect working condition,,extremely clean and never saw smoke or bar

The Class-A operation is adopted as a whole page.
The Class-A operation sends many idle currents through the transistor also in the time of a non-signal, and is a scheme which uses only operating range with the sufficient linearity of a transistor.
Although a Class-A operation has a low electrical-power utilization factor and calorific value also increases, in order that the upper and lower sides may be amplified by the same wave and may obtain a synthetic output, with B class amplifier, switching distortion or crossover distortion which are not avoided do not generate two transistors of a push pull.

The Class-A operation circuitry of M-22 has DC amplifier composition which removed the capacitor of the NFB circuitry. The time constant formation of the NFB loop was lost by this DC-ization, and the stable NFB operation is realized.
A whole page Class-A operation and this DC amplifier stream composition have realized the mid-high range without a distorted feeling, and the outstanding low-pass property.

The large-sized transformer of a L/R independency and the capacitor of 33,000 micro Fx4 are adopted as a power-source part.

The construction of the whole included amplifier is used as a symmetrical form, and the power relay of a protection network is also using the power-source part by two L/R independencies. Furthermore, attention is paid to leading about of an internal wiring etc. and the cross interferencee between channels is eliminated.

The pure-copper board is adopted as the earth line from an electrolytic capacitor to a speaker termination.

In order to protect a speaker and a transistor even against an emergency outage, the reliable protection
network constituted from a quick electronic circuitry of a power relay and a response is built in.
A power relay carries out parallel connection of the two contacts, and is improving the robustness.
The Amp Is A 100v But A Tech Adjust upgrade It Work To Correct 120 Volt America

PS; look the first and the 2 last pictures,,i sold the other m22 with preamp






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