Upgrades

The following Upgrades are available for any Digital Recorder in good working order. Please note, our upgrade voids the factory warranty. If we did not sell the machine with an upgrade installed, we warranty only the parts we put in, not the entire machine. Please contact Doug Oade via E-mail to obtain an RMA number as well as shipping instructions.
dougoade at yahoo dot com
Marantz PMD 671 ACM MOD

Marantz PMD 671 ACM MOD

The Marantz PMD 671 Advanced Concert MOD keeps the line input intact but removes the built in mic, DL mono, filters and limiter/ALC circuit. This...
$285.00
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Marantz PMD 671 Advanced MOD

Marantz PMD 671 Advanced MOD

Marantz PMD 671 Advanced MOD keeps the line input and limiter/ALC circuit intact but removes the built in mic, DL mono and filters. This circuit...
$225.00
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Marantz PMD 671 Basic MOD

Marantz PMD 671 Basic MOD

Marantz PMD 671 Basic MOD keeps all features intact and reduces the mic preamp hiss thru the XLR connections as well as the built in mics. Click here...
$165.00
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Marantz PMD-561 Super MOD

Marantz PMD-561 Super MOD

The Marantz PMD 661MKII Super MOD upgrade rebuilds the XLR inputs using very high speed, very low noise and super low distortion op amps that...
$125.00
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Marantz PMD661MKII FET

Marantz PMD661MKII FET

The Marantz PMD 661MKII FET MOD upgrade rebuilds the XLR inputs using very high speed, very low noise and low distortion FET op amps that...
$125.00
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PMD-661&MKII Plus MOD

PMD-661&MKII Plus MOD

Marantz PMD-661 & PMD-66MKII Plus MOD. This is an add on to an existing upgrade. It can be installed with any of the 4 MODs we offer. This MOD...
$150.00
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PMD-706 Concert

PMD-706 Concert

The PMD-706 Concert upgrade rebuilds the XLR inputs using high speed, low noise and very low distortion op amps that dramatically improve fine detail...
$225.00
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PMD-706 Concert + Warm

PMD-706 Concert + Warm

The PMD-706 Concert + Warm upgrade rebuilds channels 1 & 2 XLR inputs using high speed, low noise and very low distortion op amps that dramatically...
$225.00
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Roland R44 Concert MOD

Roland R44 Concert MOD

Roland R44 Concert upgrade rebuilds the mic preamps using high speed, low noise and very low distortion op amps that dramatically improve fine detail...
$175.00
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Roland R44 Super MOD

Roland R44 Super MOD

The Roland R44 Super upgrade rebuilds the mic preamps using high speed, very low noise and low distortion op amps that improve intelligibility and...
$200.00
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