Kenwood KA-7100 Integrated Amplifier Complete Overhaul and Restoration
The Kenwood KA-7100 integrated amplifier @60wpc RMS is loaded with features and vintage metal good looks. Plenty of specs and details can be found online including brochures, user manuals, and service documentation.
PRODUCT INFO
This KA-7100 has been completely overhauled and restored using carefully selected parts to it's original factory specifications with modern updates where needed.
- Serviced to factory spec to within 2.0mv accuracy; ~20.0 mv bias voltage and ~2.0 mv DC offset.
- ALL electrolytic capacitors were replaced using select audio grade Nichicon, Panasonic and WIMA parts
- Power supply filter capacitors upgraded to 4 x 10,000uf for a %39 increase in power filtering capacity.
- Original power output transistors were cleaned and re-seated with Bergquist SIL PAD thermally conductive insulators.
- New speaker relay by OMRON and new Bourns/Piher adjustment trimmers.
- Heat stressed parts (rectifiers, diodes, resistors) were upgraded using modern equivalents with better specs and tolerances (parts by Vishay, On-Semi).
- Faulty or known suspect noisy small signal transistors replaced with modern On-Semi equivalents.
- Speaker A output connectors replaced with modern 5 way binding posts by Mueller for easy bananna plug compatible speaker cables.
- Cornell Dublier Quencharc Arc Suppressor installed on power switch to preserve switch longevity.
- AC line safety caps upgraded with parts (Vishay, Murata) complying to IEC 60384-14 X1/Y2 safety standards and providing better EMI / RFI suppression and filtering.
- Cleaned & polished faceplate, knobs, lubricated switches, removed glue and debris, de-flux washed all circuit boards.
RETURN & REFUND POLICY
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$800.00Price